AsmMatcherEmitter.cpp revision fa05def52c6bb8266d856a9af2de6fa066d93d44
1d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar//===- AsmMatcherEmitter.cpp - Generate an assembly matcher ---------------===// 2d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// 3d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// The LLVM Compiler Infrastructure 4d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// 5d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// This file is distributed under the University of Illinois Open Source 6d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// License. See LICENSE.TXT for details. 7d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// 8d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar//===----------------------------------------------------------------------===// 9d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// 10d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// This tablegen backend emits a target specifier matcher for converting parsed 11e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// assembly operands in the MCInst structures. It also emits a matcher for 12e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// custom operand parsing. 13e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 14e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// Converting assembly operands into MCInst structures 15e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// --------------------------------------------------- 16d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar// 1720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// The input to the target specific matcher is a list of literal tokens and 1820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// operands. The target specific parser should generally eliminate any syntax 1920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// which is not relevant for matching; for example, comma tokens should have 2020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// already been consumed and eliminated by the parser. Most instructions will 2120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// end up with a single literal token (the instruction name) and some number of 2220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// operands. 2320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 2420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// Some example inputs, for X86: 2520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 'addl' (immediate ...) (register ...) 2620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 'add' (immediate ...) (memory ...) 27a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach// 'call' '*' %epc 2820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 2920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// The assembly matcher is responsible for converting this input into a precise 3020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// machine instruction (i.e., an instruction with a well defined encoding). This 3120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// mapping has several properties which complicate matching: 3220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 3320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// - It may be ambiguous; many architectures can legally encode particular 3420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// variants of an instruction in different ways (for example, using a smaller 3520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// encoding for small immediates). Such ambiguities should never be 3620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// arbitrarily resolved by the assembler, the assembler is always responsible 3720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// for choosing the "best" available instruction. 3820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 3920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// - It may depend on the subtarget or the assembler context. Instructions 4020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// which are invalid for the current mode, but otherwise unambiguous (e.g., 4120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// an SSE instruction in a file being assembled for i486) should be accepted 4220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// and rejected by the assembler front end. However, if the proper encoding 4320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// for an instruction is dependent on the assembler context then the matcher 4420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// is responsible for selecting the correct machine instruction for the 4520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// current mode. 4620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 4720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// The core matching algorithm attempts to exploit the regularity in most 4820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// instruction sets to quickly determine the set of possibly matching 4920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// instructions, and the simplify the generated code. Additionally, this helps 5020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// to ensure that the ambiguities are intentionally resolved by the user. 5120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 5220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// The matching is divided into two distinct phases: 5320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 5420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 1. Classification: Each operand is mapped to the unique set which (a) 5520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// contains it, and (b) is the largest such subset for which a single 5620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// instruction could match all members. 5720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 5820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// For register classes, we can generate these subgroups automatically. For 5920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// arbitrary operands, we expect the user to define the classes and their 6020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// relations to one another (for example, 8-bit signed immediates as a 6120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// subset of 32-bit immediates). 6220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 6320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// By partitioning the operands in this way, we guarantee that for any 6420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// tuple of classes, any single instruction must match either all or none 6520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// of the sets of operands which could classify to that tuple. 6620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 6720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// In addition, the subset relation amongst classes induces a partial order 6820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// on such tuples, which we use to resolve ambiguities. 6920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 7020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 2. The input can now be treated as a tuple of classes (static tokens are 7120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// simple singleton sets). Each such tuple should generally map to a single 7220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// instruction (we currently ignore cases where this isn't true, whee!!!), 7320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// which we can emit a simple matcher for. 7420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar// 75e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// Custom Operand Parsing 76e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// ---------------------- 77e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 78e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// Some targets need a custom way to parse operands, some specific instructions 79e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// can contain arguments that can represent processor flags and other kinds of 80be480ff607285157361a100e72ac5ed84ccce328Craig Topper// identifiers that need to be mapped to specific values in the final encoded 81e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// instructions. The target specific custom operand parsing works in the 82e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// following way: 83e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 84e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 1. A operand match table is built, each entry contains a mnemonic, an 85e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// operand class, a mask for all operand positions for that same 86e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// class/mnemonic and target features to be checked while trying to match. 87e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 88e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 2. The operand matcher will try every possible entry with the same 89e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// mnemonic and will check if the target feature for this mnemonic also 90e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// matches. After that, if the operand to be matched has its index 917a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner// present in the mask, a successful match occurs. Otherwise, fallback 92e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// to the regular operand parsing. 93e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 94e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 3. For a match success, each operand class that has a 'ParserMethod' 95e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// becomes part of a switch from where the custom method is called. 96e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// 97d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar//===----------------------------------------------------------------------===// 98d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar 99d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar#include "CodeGenTarget.h" 100a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer#include "StringToOffsetTable.h" 10120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar#include "llvm/ADT/OwningPtr.h" 102c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner#include "llvm/ADT/PointerUnion.h" 1034ffd89fa4d2788611187d1a534d2ed46adf1702cChandler Carruth#include "llvm/ADT/STLExtras.h" 1041de88235781c45c0afc0c7500d65b59775196c4cChris Lattner#include "llvm/ADT/SmallPtrSet.h" 105a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar#include "llvm/ADT/SmallVector.h" 10620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar#include "llvm/ADT/StringExtras.h" 10720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar#include "llvm/Support/CommandLine.h" 108a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar#include "llvm/Support/Debug.h" 109655b8de7b2ab773a977e0c524307e71354d8af29Craig Topper#include "llvm/Support/ErrorHandling.h" 1107c788888872233748da10a8177a9a1eb176c1bc8Peter Collingbourne#include "llvm/TableGen/Error.h" 1117c788888872233748da10a8177a9a1eb176c1bc8Peter Collingbourne#include "llvm/TableGen/Record.h" 112f657da2e4896732f306a9e62261418112e7337ceDouglas Gregor#include "llvm/TableGen/StringMatcher.h" 1136f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include "llvm/TableGen/TableGenBackend.h" 1146f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen#include <cassert> 115b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar#include <map> 116b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar#include <set> 117d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbarusing namespace llvm; 118d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar 1192724915c171b08fa9f7f9e54a46ea81708d9c5b2Daniel Dunbarstatic cl::opt<std::string> 120606e8ad796f72824f5509e2657c44eca025d4bafDaniel DunbarMatchPrefix("match-prefix", cl::init(""), 121606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar cl::desc("Only match instructions with the given prefix")); 12220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 12320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbarnamespace { 124828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilsonclass AsmMatcherInfo; 12554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbarstruct SubtargetFeatureInfo; 12654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 1276f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenclass AsmMatcherEmitter { 1286f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen RecordKeeper &Records; 1296f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenpublic: 1306f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen AsmMatcherEmitter(RecordKeeper &R) : Records(R) {} 1316f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 1326f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen void run(raw_ostream &o); 1336f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen}; 1346f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 135a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar/// ClassInfo - Helper class for storing the information about a particular 136a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar/// class of operands which can be matched. 137a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarstruct ClassInfo { 138606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar enum ClassInfoKind { 139ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// Invalid kind, for use as a sentinel value. 140ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar Invalid = 0, 141ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 142ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// The class for a particular token. 143ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar Token, 144ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 145ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// The (first) register class, subsequent register classes are 146ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// RegisterClass0+1, and so on. 147ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar RegisterClass0, 148ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 149ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// The (first) user defined class, subsequent user defined classes are 150ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// UserClass0+1, and so on. 151ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar UserClass0 = 1<<16 152606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar }; 153606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 154606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar /// Kind - The class kind, which is either a predefined kind, or (UserClass0 + 155606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar /// N) for the Nth user defined class. 156606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar unsigned Kind; 157a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 158ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// SuperClasses - The super classes of this class. Note that for simplicities 159ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// sake user operands only record their immediate super class, while register 160ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// operands include all superclasses. 161ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::vector<ClassInfo*> SuperClasses; 1625fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar 1636745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar /// Name - The full class name, suitable for use in an enum. 164a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::string Name; 165a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 1666745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar /// ClassName - The unadorned generic name for this class (e.g., Token). 1676745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar std::string ClassName; 1686745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar 169a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// ValueName - The name of the value this class represents; for a token this 170a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// is the literal token string, for an operand it is the TableGen class (or 171a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// empty if this is a derived class). 172a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::string ValueName; 173a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 174a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// PredicateMethod - The name of the operand method to test whether the 175ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// operand matches this class; this is not valid for Token or register kinds. 176a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::string PredicateMethod; 177a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 178a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// RenderMethod - The name of the operand method to add this operand to an 179ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// MCInst; this is not valid for Token or register kinds. 180a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::string RenderMethod; 181606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 182e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes /// ParserMethod - The name of the operand method to do a target specific 183e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes /// parsing on the operand. 184e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes std::string ParserMethod; 185e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1868409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar /// For register classes, the records for all the registers in this class. 1878409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar std::set<Record*> Registers; 1888409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar 1894dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach /// For custom match classes, he diagnostic kind for when the predicate fails. 1904dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach std::string DiagnosticType; 1918409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbarpublic: 192ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// isRegisterClass() - Check if this is a register class. 193ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar bool isRegisterClass() const { 194ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar return Kind >= RegisterClass0 && Kind < UserClass0; 195ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 196ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1975fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar /// isUserClass() - Check if this is a user defined class. 1985fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar bool isUserClass() const { 1995fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar return Kind >= UserClass0; 2005fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar } 2015fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar 2024e0ae44b3a1b5f7157351764fd125c7c85959797Dmitri Gribenko /// isRelatedTo - Check whether this class is "related" to \p RHS. Classes 203ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// are related if they are in the same class hierarchy. 204ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar bool isRelatedTo(const ClassInfo &RHS) const { 205ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Tokens are only related to tokens. 206ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (Kind == Token || RHS.Kind == Token) 207ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar return Kind == Token && RHS.Kind == Token; 208ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 2098409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar // Registers classes are only related to registers classes, and only if 2108409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar // their intersection is non-empty. 2118409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar if (isRegisterClass() || RHS.isRegisterClass()) { 2128409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar if (!isRegisterClass() || !RHS.isRegisterClass()) 2138409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar return false; 2148409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar 2158409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar std::set<Record*> Tmp; 2168409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar std::insert_iterator< std::set<Record*> > II(Tmp, Tmp.begin()); 217a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach std::set_intersection(Registers.begin(), Registers.end(), 2188409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar RHS.Registers.begin(), RHS.Registers.end(), 2198409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar II); 2208409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar 2218409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar return !Tmp.empty(); 2228409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar } 223ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 224ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Otherwise we have two users operands; they are related if they are in the 225ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // same class hierarchy. 2268409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar // 2278409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar // FIXME: This is an oversimplification, they should only be related if they 2288409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar // intersect, however we don't have that information. 229ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar assert(isUserClass() && RHS.isUserClass() && "Unexpected class!"); 230ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar const ClassInfo *Root = this; 231ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar while (!Root->SuperClasses.empty()) 232ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar Root = Root->SuperClasses.front(); 233ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 2348409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar const ClassInfo *RHSRoot = &RHS; 235ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar while (!RHSRoot->SuperClasses.empty()) 236ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar RHSRoot = RHSRoot->SuperClasses.front(); 237a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 238ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar return Root == RHSRoot; 239ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 240ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 2414e0ae44b3a1b5f7157351764fd125c7c85959797Dmitri Gribenko /// isSubsetOf - Test whether this class is a subset of \p RHS. 242ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar bool isSubsetOf(const ClassInfo &RHS) const { 243ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // This is a subset of RHS if it is the same class... 244ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (this == &RHS) 245ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar return true; 246ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 247ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // ... or if any of its super classes are a subset of RHS. 248ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::vector<ClassInfo*>::const_iterator it = SuperClasses.begin(), 249ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = SuperClasses.end(); it != ie; ++it) 250ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if ((*it)->isSubsetOf(RHS)) 251ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar return true; 252ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 253ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar return false; 2545fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar } 2555fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar 256606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar /// operator< - Compare two classes. 257606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar bool operator<(const ClassInfo &RHS) const { 258368a4565034b907943f5c0173574eb47939b74bfDaniel Dunbar if (this == &RHS) 259368a4565034b907943f5c0173574eb47939b74bfDaniel Dunbar return false; 260368a4565034b907943f5c0173574eb47939b74bfDaniel Dunbar 261ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Unrelated classes can be ordered by kind. 262ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!isRelatedTo(RHS)) 263606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar return Kind < RHS.Kind; 264606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 265606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar switch (Kind) { 2666745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar case Invalid: 267655b8de7b2ab773a977e0c524307e71354d8af29Craig Topper llvm_unreachable("Invalid kind!"); 268606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 269606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar default: 2707a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner // This class precedes the RHS if it is a proper subset of the RHS. 271368a4565034b907943f5c0173574eb47939b74bfDaniel Dunbar if (isSubsetOf(RHS)) 2723472766f9eb7d66f234c390ce1b3a8b76f0ee9ceDuncan Sands return true; 273368a4565034b907943f5c0173574eb47939b74bfDaniel Dunbar if (RHS.isSubsetOf(*this)) 2743472766f9eb7d66f234c390ce1b3a8b76f0ee9ceDuncan Sands return false; 275368a4565034b907943f5c0173574eb47939b74bfDaniel Dunbar 276368a4565034b907943f5c0173574eb47939b74bfDaniel Dunbar // Otherwise, order by name to ensure we have a total ordering. 277368a4565034b907943f5c0173574eb47939b74bfDaniel Dunbar return ValueName < RHS.ValueName; 278606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar } 279606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar } 280a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar}; 281a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 282b2df610b44902124c22f3661a39bffd5341da62dSean Silvanamespace { 283b2df610b44902124c22f3661a39bffd5341da62dSean Silva/// Sort ClassInfo pointers independently of pointer value. 284b2df610b44902124c22f3661a39bffd5341da62dSean Silvastruct LessClassInfoPtr { 285b2df610b44902124c22f3661a39bffd5341da62dSean Silva bool operator()(const ClassInfo *LHS, const ClassInfo *RHS) const { 286b2df610b44902124c22f3661a39bffd5341da62dSean Silva return *LHS < *RHS; 287b2df610b44902124c22f3661a39bffd5341da62dSean Silva } 288b2df610b44902124c22f3661a39bffd5341da62dSean Silva}; 289b2df610b44902124c22f3661a39bffd5341da62dSean Silva} 290b2df610b44902124c22f3661a39bffd5341da62dSean Silva 29122bc5c4184a497353e33195dd12541a4f08b008aChris Lattner/// MatchableInfo - Helper class for storing the necessary information for an 29222bc5c4184a497353e33195dd12541a4f08b008aChris Lattner/// instruction or alias which is capable of being matched. 29322bc5c4184a497353e33195dd12541a4f08b008aChris Lattnerstruct MatchableInfo { 294c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner struct AsmOperand { 295d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner /// Token - This is the token that the operand came from. 296d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef Token; 297828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 298a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// The unique class instance this operand should match. 299a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ClassInfo *Class; 300a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 301567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner /// The operand name this is, if anything. 302567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner StringRef SrcOpName; 303a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 304a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// The suboperand index within SrcOpName, or -1 for the entire operand. 305a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int SubOpIdx; 306828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 30763faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel /// Register record if this token is singleton register. 30863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel Record *SingletonReg; 30963faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel 310f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach explicit AsmOperand(StringRef T) : Token(T), Class(0), SubOpIdx(-1), 31111fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach SingletonReg(0) {} 31220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar }; 313828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3141d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// ResOperand - This represents a single operand in the result instruction 3151d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// generated by the match. In cases (like addressing modes) where a single 3161d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// assembler operand expands to multiple MCOperands, this represents the 3171d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// single assembler operand, not the MCOperand. 3181d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner struct ResOperand { 3191d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner enum { 3201d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// RenderAsmOperand - This represents an operand result that is 3211d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// generated by calling the render method on the assembly operand. The 3221d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// corresponding AsmOperand is specified by AsmOperandNum. 3231d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner RenderAsmOperand, 324828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3251d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// TiedOperand - This represents a result operand that is a duplicate of 3261d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// a previous result operand. 32798c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner TiedOperand, 328828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 32998c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner /// ImmOperand - This represents an immediate value that is dumped into 33098c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner /// the operand. 33190fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner ImmOperand, 332828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 33390fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner /// RegOperand - This represents a fixed register that is dumped in. 33490fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner RegOperand 3351d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } Kind; 336828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3371d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner union { 3381d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// This is the operand # in the AsmOperands list that this should be 3391d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// copied from. 3401d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner unsigned AsmOperandNum; 341828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3421d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// TiedOperandNum - This is the (earlier) result operand that should be 3431d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// copied from. 3441d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner unsigned TiedOperandNum; 345828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 34698c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner /// ImmVal - This is the immediate value added to the instruction. 34798c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner int64_t ImmVal; 348828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 34990fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner /// Register - This is the register record. 35090fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner Record *Register; 3511d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner }; 352828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 353a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// MINumOperands - The number of MCInst operands populated by this 354a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// operand. 355a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned MINumOperands; 356828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 357a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson static ResOperand getRenderedOp(unsigned AsmOpNum, unsigned NumOperands) { 3581d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner ResOperand X; 3591d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner X.Kind = RenderAsmOperand; 3601d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner X.AsmOperandNum = AsmOpNum; 361a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson X.MINumOperands = NumOperands; 3621d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner return X; 3631d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 364828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 365a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson static ResOperand getTiedOp(unsigned TiedOperandNum) { 3661d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner ResOperand X; 3671d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner X.Kind = TiedOperand; 3681d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner X.TiedOperandNum = TiedOperandNum; 369a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson X.MINumOperands = 1; 3701d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner return X; 3711d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 372828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 373a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson static ResOperand getImmOp(int64_t Val) { 37498c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner ResOperand X; 37598c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner X.Kind = ImmOperand; 37698c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner X.ImmVal = Val; 377a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson X.MINumOperands = 1; 37898c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner return X; 37998c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner } 380828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 381a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson static ResOperand getRegOp(Record *Reg) { 38290fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner ResOperand X; 38390fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner X.Kind = RegOperand; 38490fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner X.Register = Reg; 385a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson X.MINumOperands = 1; 38690fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner return X; 38790fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner } 3881d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner }; 38920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 39056315d319c104dc96187444e1e19711a1c801166Devang Patel /// AsmVariantID - Target's assembly syntax variant no. 39156315d319c104dc96187444e1e19711a1c801166Devang Patel int AsmVariantID; 39256315d319c104dc96187444e1e19711a1c801166Devang Patel 3933b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// TheDef - This is the definition of the instruction or InstAlias that this 3943b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// matchable came from. 3955bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner Record *const TheDef; 396828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 397c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner /// DefRec - This is the definition that it came from. 398c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner PointerUnion<const CodeGenInstruction*, const CodeGenInstAlias*> DefRec; 399828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 400662e5a30e864e71111b885d3da3cdd184772035dChris Lattner const CodeGenInstruction *getResultInst() const { 401662e5a30e864e71111b885d3da3cdd184772035dChris Lattner if (DefRec.is<const CodeGenInstruction*>()) 402662e5a30e864e71111b885d3da3cdd184772035dChris Lattner return DefRec.get<const CodeGenInstruction*>(); 403662e5a30e864e71111b885d3da3cdd184772035dChris Lattner return DefRec.get<const CodeGenInstAlias*>()->ResultInst; 404662e5a30e864e71111b885d3da3cdd184772035dChris Lattner } 405828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4061d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// ResOperands - This is the operand list that should be built for the result 4071d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// MCInst. 408b423d18a00eed4968d6df7415449259b09b7d67eJim Grosbach SmallVector<ResOperand, 8> ResOperands; 40920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 41020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar /// AsmString - The assembly string for this instruction (with variants 4113b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// removed), e.g. "movsx $src, $dst". 41220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar std::string AsmString; 41320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 414d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner /// Mnemonic - This is the first token of the matched instruction, its 415d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner /// mnemonic. 416d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef Mnemonic; 417828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4183116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner /// AsmOperands - The textual operands that this instruction matches, 4193b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// annotated with a class and where in the OperandList they were defined. 4203b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// This directly corresponds to the tokenized AsmString after the mnemonic is 4213b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// removed. 422b423d18a00eed4968d6df7415449259b09b7d67eJim Grosbach SmallVector<AsmOperand, 8> AsmOperands; 42320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 42454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// Predicates - The required subtarget features to match this instruction. 42554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar SmallVector<SubtargetFeatureInfo*, 4> RequiredFeatures; 42654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 427b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar /// ConversionFnKind - The enum value which is passed to the generated 42890e11f8c95146c2d3718e9b3de71ee6628347b05Chad Rosier /// convertToMCInst to convert parsed operands into an MCInst for this 429b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar /// function. 430b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar std::string ConversionFnKind; 431828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 43222bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo(const CodeGenInstruction &CGI) 433f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach : AsmVariantID(0), TheDef(CGI.TheDef), DefRec(&CGI), 43456315d319c104dc96187444e1e19711a1c801166Devang Patel AsmString(CGI.AsmString) { 4355bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner } 4365bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner 43722bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo(const CodeGenInstAlias *Alias) 438f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach : AsmVariantID(0), TheDef(Alias->TheDef), DefRec(Alias), 43956315d319c104dc96187444e1e19711a1c801166Devang Patel AsmString(Alias->AsmString) { 440c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner } 441828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 442c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Two-operand aliases clone from the main matchable, but mark the second 443c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // operand as a tied operand of the first for purposes of the assembler. 444c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach void formTwoOperandAlias(StringRef Constraint); 445c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 4468caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void initialize(const AsmMatcherInfo &Info, 447f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach SmallPtrSet<Record*, 16> &SingletonRegisters, 44811fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach int AsmVariantNo, std::string &RegisterPrefix); 449828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4508caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// validate - Return true if this matchable is a valid thing to match against 45122bc5c4184a497353e33195dd12541a4f08b008aChris Lattner /// and perform a bunch of validity checking. 4528caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach bool validate(StringRef CommentDelimiter, bool Hack) const; 453828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 454f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach /// extractSingletonRegisterForAsmOperand - Extract singleton register, 45563faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel /// if present, from specified token. 45663faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel void 45763faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel extractSingletonRegisterForAsmOperand(unsigned i, const AsmMatcherInfo &Info, 45863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel std::string &RegisterPrefix); 45920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 4608caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// findAsmOperand - Find the AsmOperand with the specified name and 461a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// suboperand index. 4628caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach int findAsmOperand(StringRef N, int SubOpIdx) const { 463a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) 464a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (N == AsmOperands[i].SrcOpName && 465a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson SubOpIdx == AsmOperands[i].SubOpIdx) 466a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson return i; 467a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson return -1; 468a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 469828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4708caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// findAsmOperandNamed - Find the first AsmOperand with the specified name. 471a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// This does not check the suboperand index. 4728caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach int findAsmOperandNamed(StringRef N) const { 473ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) 474ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner if (N == AsmOperands[i].SrcOpName) 475ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner return i; 476ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner return -1; 477ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner } 478828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4798caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildInstructionResultOperands(); 4808caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildAliasResultOperands(); 4811d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner 48222bc5c4184a497353e33195dd12541a4f08b008aChris Lattner /// operator< - Compare two matchables. 48322bc5c4184a497353e33195dd12541a4f08b008aChris Lattner bool operator<(const MatchableInfo &RHS) const { 484e206fcf0e9c7e79c7f42ff2151f3fb58cba70674Chris Lattner // The primary comparator is the instruction mnemonic. 485d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (Mnemonic != RHS.Mnemonic) 486d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner return Mnemonic < RHS.Mnemonic; 487a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 4883116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (AsmOperands.size() != RHS.AsmOperands.size()) 4893116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner return AsmOperands.size() < RHS.AsmOperands.size(); 4902b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar 491db2ddb5dc57319eff249144f1d9a553a3278d2e0Daniel Dunbar // Compare lexicographically by operand. The matcher validates that other 4928caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach // orderings wouldn't be ambiguous using \see couldMatchAmbiguouslyWith(). 4933116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 4943116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*AsmOperands[i].Class < *RHS.AsmOperands[i].Class) 4952b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return true; 4963116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*RHS.AsmOperands[i].Class < *AsmOperands[i].Class) 497db2ddb5dc57319eff249144f1d9a553a3278d2e0Daniel Dunbar return false; 498db2ddb5dc57319eff249144f1d9a553a3278d2e0Daniel Dunbar } 499db2ddb5dc57319eff249144f1d9a553a3278d2e0Daniel Dunbar 5002b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // Give matches that require more features higher precedence. This is useful 5012b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // because we cannot define AssemblerPredicates with the negation of 5022b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // processor features. For example, ARM v6 "nop" may be either a HINT or 5032b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // MOV. With v6, we want to match HINT. The assembler has no way to 5042b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // predicate MOV under "NoV6", but HINT will always match first because it 5052b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // requires V6 while MOV does not. 5062b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick if (RequiredFeatures.size() != RHS.RequiredFeatures.size()) 5072b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick return RequiredFeatures.size() > RHS.RequiredFeatures.size(); 5082b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick 5092b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return false; 5102b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar } 511606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 5128caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// couldMatchAmbiguouslyWith - Check whether this matchable could 5134e0ae44b3a1b5f7157351764fd125c7c85959797Dmitri Gribenko /// ambiguously match the same set of operands as \p RHS (without being a 5142b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar /// strictly superior match). 5158caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach bool couldMatchAmbiguouslyWith(const MatchableInfo &RHS) { 516e66b7ebfb426c7ed9bc911e9708321e2d8510b41Chris Lattner // The primary comparator is the instruction mnemonic. 517d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (Mnemonic != RHS.Mnemonic) 518e66b7ebfb426c7ed9bc911e9708321e2d8510b41Chris Lattner return false; 519828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 5202b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // The number of operands is unambiguous. 5213116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (AsmOperands.size() != RHS.AsmOperands.size()) 5222b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return false; 523606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 5241402f0b2cac017ab997f71ab4909a2ccfea7be4bDaniel Dunbar // Otherwise, make sure the ordering of the two instructions is unambiguous 5251402f0b2cac017ab997f71ab4909a2ccfea7be4bDaniel Dunbar // by checking that either (a) a token or operand kind discriminates them, 5261402f0b2cac017ab997f71ab4909a2ccfea7be4bDaniel Dunbar // or (b) the ordering among equivalent kinds is consistent. 5271402f0b2cac017ab997f71ab4909a2ccfea7be4bDaniel Dunbar 5282b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // Tokens and operand kinds are unambiguous (assuming a correct target 5292b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // specific parser). 5303116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) 5313116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (AsmOperands[i].Class->Kind != RHS.AsmOperands[i].Class->Kind || 5323116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner AsmOperands[i].Class->Kind == ClassInfo::Token) 5333116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*AsmOperands[i].Class < *RHS.AsmOperands[i].Class || 5343116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner *RHS.AsmOperands[i].Class < *AsmOperands[i].Class) 5352b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return false; 536a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 5372b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // Otherwise, this operand could commute if all operands are equivalent, or 5382b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // there is a pair of operands that compare less than and a pair that 5392b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // compare greater than. 5402b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar bool HasLT = false, HasGT = false; 5413116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 5423116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*AsmOperands[i].Class < *RHS.AsmOperands[i].Class) 5432b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar HasLT = true; 5443116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*RHS.AsmOperands[i].Class < *AsmOperands[i].Class) 5452b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar HasGT = true; 5462b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar } 547606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 5482b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return !(HasLT ^ HasGT); 549606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar } 550606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 55120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar void dump(); 552828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 553d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattnerprivate: 5548caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void tokenizeAsmString(const AsmMatcherInfo &Info); 55520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar}; 55620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 55754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar/// SubtargetFeatureInfo - Helper class for storing information on a subtarget 55854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar/// feature which participates in instruction matching. 55954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbarstruct SubtargetFeatureInfo { 56054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// \brief The predicate record for this feature. 56154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar Record *TheDef; 56254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 56354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// \brief An unique index assigned to represent this feature. 56454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar unsigned Index; 56554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 5660aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner SubtargetFeatureInfo(Record *D, unsigned Idx) : TheDef(D), Index(Idx) {} 567828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 56854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// \brief The name of the enumerated constant identifying this feature. 5690aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner std::string getEnumName() const { 5700aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner return "Feature_" + TheDef->getName(); 5710aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner } 57254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar}; 57354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 574e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopesstruct OperandMatchEntry { 575e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes unsigned OperandMask; 576e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes MatchableInfo* MI; 577e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes ClassInfo *CI; 578e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 5798caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach static OperandMatchEntry create(MatchableInfo* mi, ClassInfo *ci, 580e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes unsigned opMask) { 581e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OperandMatchEntry X; 582e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes X.OperandMask = opMask; 583e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes X.CI = ci; 584e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes X.MI = mi; 585e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes return X; 586e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 587e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes}; 588e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 589e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 590a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarclass AsmMatcherInfo { 591a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarpublic: 59267db883487fca3472fdde51e931657e22d4d0495Chris Lattner /// Tracked Records 5939c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner RecordKeeper &Records; 59467db883487fca3472fdde51e931657e22d4d0495Chris Lattner 59559fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar /// The tablegen AsmParser record. 59659fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar Record *AsmParser; 59759fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar 59802bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner /// Target - The target information. 59902bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner CodeGenTarget &Target; 60002bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner 601a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// The classes which are needed for matching. 602a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::vector<ClassInfo*> Classes; 603a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 60422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner /// The information on the matchables to match. 60522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner std::vector<MatchableInfo*> Matchables; 606a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 607e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes /// Info for custom matching operands by user defined methods. 608e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes std::vector<OperandMatchEntry> OperandMatchInfo; 609e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 610ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// Map of Register records to their class information. 611decfdf548b43c80c3dd81ff1cc3639b80ed33a3eSean Silva typedef std::map<Record*, ClassInfo*, LessRecordByID> RegisterClassesTy; 612decfdf548b43c80c3dd81ff1cc3639b80ed33a3eSean Silva RegisterClassesTy RegisterClasses; 613ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 61454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// Map of Predicate records to their subtarget information. 61554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar std::map<Record*, SubtargetFeatureInfo*> SubtargetFeatures; 616828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 6174dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach /// Map of AsmOperandClass records to their class information. 6184dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach std::map<Record*, ClassInfo*> AsmOperandClasses; 6194dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 620a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarprivate: 621a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// Map of token to class information which has already been constructed. 622a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::map<std::string, ClassInfo*> TokenClasses; 623a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 624ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// Map of RegisterClass records to their class information. 625ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::map<Record*, ClassInfo*> RegisterClassClasses; 626a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 627a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarprivate: 628a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// getTokenClass - Lookup or create the class for the given token. 629b8d6e98e566724f58344d275a4bd675249bb713aChris Lattner ClassInfo *getTokenClass(StringRef Token); 630a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 631a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// getOperandClass - Lookup or create the class for the given operand. 632a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ClassInfo *getOperandClass(const CGIOperandList::OperandInfo &OI, 63348c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach int SubOpIdx); 63448c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach ClassInfo *getOperandClass(Record *Rec, int SubOpIdx); 635a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 6368caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// buildRegisterClasses - Build the ClassInfo* instances for register 637ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// classes. 6388caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildRegisterClasses(SmallPtrSet<Record*, 16> &SingletonRegisters); 639ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 6408caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// buildOperandClasses - Build the ClassInfo* instances for user defined 641ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// operand classes. 6428caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildOperandClasses(); 643ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 6448caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildInstructionOperandReference(MatchableInfo *II, StringRef OpName, 645a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned AsmOpIdx); 6468caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildAliasOperandReference(MatchableInfo *II, StringRef OpName, 647c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner MatchableInfo::AsmOperand &Op); 648828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 649a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarpublic: 650828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson AsmMatcherInfo(Record *AsmParser, 651828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson CodeGenTarget &Target, 6529c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner RecordKeeper &Records); 65359fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar 6548caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// buildInfo - Construct the various tables used during matching. 6558caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildInfo(); 656828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 6578caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// buildOperandMatchInfo - Build the necessary information to handle user 658e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes /// defined operand parsing methods. 6598caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildOperandMatchInfo(); 660e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 6616fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner /// getSubtargetFeature - Lookup or create the subtarget feature info for the 6626fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner /// given operand. 6636fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner SubtargetFeatureInfo *getSubtargetFeature(Record *Def) const { 6646fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner assert(Def->isSubClassOf("Predicate") && "Invalid predicate type!"); 6656fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner std::map<Record*, SubtargetFeatureInfo*>::const_iterator I = 6666fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner SubtargetFeatures.find(Def); 6676fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner return I == SubtargetFeatures.end() ? 0 : I->second; 6686fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner } 66967db883487fca3472fdde51e931657e22d4d0495Chris Lattner 6709c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner RecordKeeper &getRecords() const { 6719c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner return Records; 67267db883487fca3472fdde51e931657e22d4d0495Chris Lattner } 673a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar}; 674a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 6756f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} // End anonymous namespace 67620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 67722bc5c4184a497353e33195dd12541a4f08b008aChris Lattnervoid MatchableInfo::dump() { 6785abd1ebcb380664ae5010395b217e01f7190046cChris Lattner errs() << TheDef->getName() << " -- " << "flattened:\"" << AsmString <<"\"\n"; 679a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 6803116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 681c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperand &Op = AsmOperands[i]; 6826745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar errs() << " op[" << i << "] = " << Op.Class->ClassName << " - "; 6830bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner errs() << '\"' << Op.Token << "\"\n"; 68420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar } 68520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar} 686a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 687c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbachstatic std::pair<StringRef, StringRef> 688376a8a773e38fdcd9102a40e08ab1e0661d645d9Jakob Stoklund OlesenparseTwoOperandConstraint(StringRef S, ArrayRef<SMLoc> Loc) { 689c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Split via the '='. 690c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach std::pair<StringRef, StringRef> Ops = S.split('='); 691c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Ops.second == "") 69261131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Loc, "missing '=' in two-operand alias constraint"); 693c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Trim whitespace and the leading '$' on the operand names. 694c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach size_t start = Ops.first.find_first_of('$'); 695c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (start == std::string::npos) 69661131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Loc, "expected '$' prefix on asm operand name"); 697c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.first = Ops.first.slice(start + 1, std::string::npos); 698c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach size_t end = Ops.first.find_last_of(" \t"); 699c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.first = Ops.first.slice(0, end); 700c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Now the second operand. 701c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach start = Ops.second.find_first_of('$'); 702c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (start == std::string::npos) 70361131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Loc, "expected '$' prefix on asm operand name"); 704c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.second = Ops.second.slice(start + 1, std::string::npos); 705c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach end = Ops.second.find_last_of(" \t"); 706c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.first = Ops.first.slice(0, end); 707c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach return Ops; 708c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach} 709c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 710c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbachvoid MatchableInfo::formTwoOperandAlias(StringRef Constraint) { 711c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Figure out which operands are aliased and mark them as tied. 712c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach std::pair<StringRef, StringRef> Ops = 713c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach parseTwoOperandConstraint(Constraint, TheDef->getLoc()); 714c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 715c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Find the AsmOperands that refer to the operands we're aliasing. 716c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach int SrcAsmOperand = findAsmOperandNamed(Ops.first); 717c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach int DstAsmOperand = findAsmOperandNamed(Ops.second); 718c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (SrcAsmOperand == -1) 71961131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 720c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach "unknown source two-operand alias operand '" + 721c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.first.str() + "'."); 722c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (DstAsmOperand == -1) 72361131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 724c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach "unknown destination two-operand alias operand '" + 725c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.second.str() + "'."); 726c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 727c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Find the ResOperand that refers to the operand we're aliasing away 728c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // and update it to refer to the combined operand instead. 729c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach for (unsigned i = 0, e = ResOperands.size(); i != e; ++i) { 730c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach ResOperand &Op = ResOperands[i]; 731c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Op.Kind == ResOperand::RenderAsmOperand && 732c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Op.AsmOperandNum == (unsigned)SrcAsmOperand) { 733c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Op.AsmOperandNum = DstAsmOperand; 734c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach break; 735c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 736c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 737c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Remove the AsmOperand for the alias operand. 738c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach AsmOperands.erase(AsmOperands.begin() + SrcAsmOperand); 739c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Adjust the ResOperand references to any AsmOperands that followed 740c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // the one we just deleted. 741c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach for (unsigned i = 0, e = ResOperands.size(); i != e; ++i) { 742c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach ResOperand &Op = ResOperands[i]; 743c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach switch(Op.Kind) { 744c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach default: 745c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Nothing to do for operands that don't reference AsmOperands. 746c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach break; 747c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach case ResOperand::RenderAsmOperand: 748c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Op.AsmOperandNum > (unsigned)SrcAsmOperand) 749c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach --Op.AsmOperandNum; 750c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach break; 751c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach case ResOperand::TiedOperand: 752c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Op.TiedOperandNum > (unsigned)SrcAsmOperand) 753c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach --Op.TiedOperandNum; 754c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach break; 755c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 756c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 757c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach} 758c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 7598caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid MatchableInfo::initialize(const AsmMatcherInfo &Info, 76063faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel SmallPtrSet<Record*, 16> &SingletonRegisters, 76163faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel int AsmVariantNo, std::string &RegisterPrefix) { 76256315d319c104dc96187444e1e19711a1c801166Devang Patel AsmVariantID = AsmVariantNo; 763f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach AsmString = 76463faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel CodeGenInstruction::FlattenAsmStringVariants(AsmString, AsmVariantNo); 765828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 7668caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach tokenizeAsmString(Info); 767828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 768c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner // Compute the require features. 769c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner std::vector<Record*> Predicates =TheDef->getValueAsListOfDefs("Predicates"); 770c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner for (unsigned i = 0, e = Predicates.size(); i != e; ++i) 771c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner if (SubtargetFeatureInfo *Feature = 772c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner Info.getSubtargetFeature(Predicates[i])) 773c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner RequiredFeatures.push_back(Feature); 774828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 775c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner // Collect singleton registers, if used. 776d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 77763faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel extractSingletonRegisterForAsmOperand(i, Info, RegisterPrefix); 77863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel if (Record *Reg = AsmOperands[i].SingletonReg) 779c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner SingletonRegisters.insert(Reg); 780c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner } 781c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner} 782c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner 7838caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// tokenizeAsmString - Tokenize a simplified assembly string. 7848caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid MatchableInfo::tokenizeAsmString(const AsmMatcherInfo &Info) { 785d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef String = AsmString; 786d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner unsigned Prev = 0; 787d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner bool InTok = true; 788d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner for (unsigned i = 0, e = String.size(); i != e; ++i) { 789d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner switch (String[i]) { 790d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '[': 791d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case ']': 792d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '*': 793d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '!': 794d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case ' ': 795d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '\t': 796d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case ',': 797d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (InTok) { 798c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.slice(Prev, i))); 799d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner InTok = false; 800d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 801d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (!isspace(String[i]) && String[i] != ',') 802c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.substr(i, 1))); 803d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = i + 1; 804d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 805d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 806d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '\\': 807d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (InTok) { 808c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.slice(Prev, i))); 809d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner InTok = false; 810d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 811d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner ++i; 812d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner assert(i != String.size() && "Invalid quoted character"); 813c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.substr(i, 1))); 814d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = i + 1; 815d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 816d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 817d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '$': { 8187ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner if (InTok) { 8197ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner AsmOperands.push_back(AsmOperand(String.slice(Prev, i))); 8207ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner InTok = false; 8217ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner } 822828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 823d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner // If this isn't "${", treat like a normal token. 824d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (i + 1 == String.size() || String[i + 1] != '{') { 825d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = i; 826d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 827d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 828d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 829d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef::iterator End = std::find(String.begin() + i, String.end(),'}'); 830d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner assert(End != String.end() && "Missing brace in operand reference!"); 831d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner size_t EndPos = End - String.begin(); 832c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.slice(i, EndPos+1))); 833d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = EndPos + 1; 834d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner i = EndPos; 835d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 836d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 837d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 838d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '.': 839d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (InTok) 840c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.slice(Prev, i))); 841d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = i; 842d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner InTok = true; 843d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 844d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 845d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner default: 846d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner InTok = true; 847d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 848d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 849d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (InTok && Prev != String.size()) 850c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.substr(Prev))); 851828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 852d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner // The first token of the instruction is the mnemonic, which must be a 853d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner // simple string, not a $foo variable or a singleton register. 8544a2242cea0e9fdb36276807b1d4ddd7cd1a15bd4Jim Grosbach if (AsmOperands.empty()) 85561131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 8564a2242cea0e9fdb36276807b1d4ddd7cd1a15bd4Jim Grosbach "Instruction '" + TheDef->getName() + "' has no tokens"); 857d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Mnemonic = AsmOperands[0].Token; 8588e27c9615938298bd03a7884964a0f5e0e80542dJim Grosbach if (Mnemonic.empty()) 85961131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 8608e27c9615938298bd03a7884964a0f5e0e80542dJim Grosbach "Missing instruction mnemonic"); 86163faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel // FIXME : Check and raise an error if it is a register. 862b78307fc58025713fd98c8414fa8f29720f37a76Devang Patel if (Mnemonic[0] == '$') 86361131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 864d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner "Invalid instruction mnemonic '" + Mnemonic.str() + "'!"); 865828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 866d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner // Remove the first operand, it is tracked in the mnemonic field. 867d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner AsmOperands.erase(AsmOperands.begin()); 868d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner} 869d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 8708caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachbool MatchableInfo::validate(StringRef CommentDelimiter, bool Hack) const { 87122bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Reject matchables with no .s string. 8725bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner if (AsmString.empty()) 87361131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), "instruction with empty asm string"); 874828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 87522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Reject any matchables with a newline in them, they should be marked 8765bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner // isCodeGenOnly if they are pseudo instructions. 8775bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner if (AsmString.find('\n') != std::string::npos) 87861131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 8795bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner "multiline instruction is not valid for the asmparser, " 8805bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner "mark it isCodeGenOnly"); 881828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 8824164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner // Remove comments from the asm string. We know that the asmstring only 8834164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner // has one line. 8844164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner if (!CommentDelimiter.empty() && 8854164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner StringRef(AsmString).find(CommentDelimiter) != StringRef::npos) 88661131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 8874164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner "asmstring for instruction has comment character in it, " 8884164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner "mark it isCodeGenOnly"); 889828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 89022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Reject matchables with operand modifiers, these aren't something we can 891906bc368bc0fe18682edc0743ada41f62e436383Bob Wilson // handle, the target should be refactored to use operands instead of 892906bc368bc0fe18682edc0743ada41f62e436383Bob Wilson // modifiers. 8935bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner // 8945bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner // Also, check for instructions which reference the operand multiple times; 8955bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner // this implies a constraint we would not honor. 8965bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner std::set<std::string> OperandNames; 897d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 898d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef Tok = AsmOperands[i].Token; 899d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (Tok[0] == '$' && Tok.find(':') != StringRef::npos) 90061131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 901d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner "matchable with operand modifier '" + Tok.str() + 9025bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner "' not supported by asm matcher. Mark isCodeGenOnly!"); 903828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 90422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Verify that any operand is only mentioned once. 905d51257a4368d52e2340073bc7ccd83f3c3f1c04dChris Lattner // We reject aliases and ignore instructions for now. 906d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (Tok[0] == '$' && !OperandNames.insert(Tok).second) { 90722bc5c4184a497353e33195dd12541a4f08b008aChris Lattner if (!Hack) 90861131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), 909d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner "ERROR: matchable with tied operand '" + Tok.str() + 91022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner "' can never be matched!"); 91122bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // FIXME: Should reject these. The ARM backend hits this with $lane in a 91222bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // bunch of instructions. It is unclear what the right answer is. 9135bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner DEBUG({ 9145abd1ebcb380664ae5010395b217e01f7190046cChris Lattner errs() << "warning: '" << TheDef->getName() << "': " 91522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner << "ignoring instruction with tied operand '" 916d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner << Tok.str() << "'\n"; 9175bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner }); 9185bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner return false; 9195bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner } 9205bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner } 921828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 9225bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner return true; 9235bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner} 9245bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner 925f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach/// extractSingletonRegisterForAsmOperand - Extract singleton register, 926d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel/// if present, from specified token. 92763faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patelvoid MatchableInfo:: 928f35307ceac57194094f207f0920fbd22231f5331Jim GrosbachextractSingletonRegisterForAsmOperand(unsigned OperandNo, 929d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel const AsmMatcherInfo &Info, 93011fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach std::string &RegisterPrefix) { 931d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel StringRef Tok = AsmOperands[OperandNo].Token; 93263faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel if (RegisterPrefix.empty()) { 933d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel std::string LoweredTok = Tok.lower(); 934d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel if (const CodeGenRegister *Reg = Info.Target.getRegisterByName(LoweredTok)) 935d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel AsmOperands[OperandNo].SingletonReg = Reg->TheDef; 93663faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel return; 937f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach } 93863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel 93963faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel if (!Tok.startswith(RegisterPrefix)) 94063faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel return; 941828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 94263faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel StringRef RegName = Tok.substr(RegisterPrefix.size()); 943ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner if (const CodeGenRegister *Reg = Info.Target.getRegisterByName(RegName)) 944d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel AsmOperands[OperandNo].SingletonReg = Reg->TheDef; 945828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 9461de88235781c45c0afc0c7500d65b59775196c4cChris Lattner // If there is no register prefix (i.e. "%" in "%eax"), then this may 9471de88235781c45c0afc0c7500d65b59775196c4cChris Lattner // be some random non-register token, just ignore it. 94863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel return; 94902bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner} 95002bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner 951b8d6e98e566724f58344d275a4bd675249bb713aChris Lattnerstatic std::string getEnumNameForToken(StringRef Str) { 952a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::string Res; 953a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 954a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar for (StringRef::iterator it = Str.begin(), ie = Str.end(); it != ie; ++it) { 955a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar switch (*it) { 956a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar case '*': Res += "_STAR_"; break; 957a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar case '%': Res += "_PCT_"; break; 958a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar case ':': Res += "_COLON_"; break; 959bd9c77bc9ad384d046a7967d160ad96f61916d9dBill Wendling case '!': Res += "_EXCLAIM_"; break; 9600ef755d9051a79680326d6144a2401660fc93e57Bill Wendling case '.': Res += "_DOT_"; break; 96112da505d938ecfbc49b203e454bada99eda950e3Tim Northover case '<': Res += "_LT_"; break; 96212da505d938ecfbc49b203e454bada99eda950e3Tim Northover case '>': Res += "_GT_"; break; 963a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar default: 96412da505d938ecfbc49b203e454bada99eda950e3Tim Northover if ((*it >= 'A' && *it <= 'Z') || 96512da505d938ecfbc49b203e454bada99eda950e3Tim Northover (*it >= 'a' && *it <= 'z') || 96612da505d938ecfbc49b203e454bada99eda950e3Tim Northover (*it >= '0' && *it <= '9')) 967a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Res += *it; 96839ee036f407bd0c94cb993cf9b97348843cfafa4Chris Lattner else 969a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Res += "_" + utostr((unsigned) *it) + "_"; 970a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 971a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 97220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 973a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar return Res; 974a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar} 975a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 976b8d6e98e566724f58344d275a4bd675249bb713aChris LattnerClassInfo *AsmMatcherInfo::getTokenClass(StringRef Token) { 977a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ClassInfo *&Entry = TokenClasses[Token]; 978a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 979a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar if (!Entry) { 980a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry = new ClassInfo(); 981a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->Kind = ClassInfo::Token; 9826745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar Entry->ClassName = "Token"; 983a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->Name = "MCK_" + getEnumNameForToken(Token); 984a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->ValueName = Token; 985a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->PredicateMethod = "<invalid>"; 986a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->RenderMethod = "<invalid>"; 987e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes Entry->ParserMethod = ""; 9884dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach Entry->DiagnosticType = ""; 989a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Classes.push_back(Entry); 990a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 991a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 992a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar return Entry; 993a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar} 994a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 995a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel DunbarClassInfo * 996a49c7dfb360154070c08b8eb94ad31711d1babaeBob WilsonAsmMatcherInfo::getOperandClass(const CGIOperandList::OperandInfo &OI, 997a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int SubOpIdx) { 998a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *Rec = OI.Rec; 999a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (SubOpIdx != -1) 10003f7b7f8ce0b050fc6a0100839d9c5a84198b2aedSean Silva Rec = cast<DefInit>(OI.MIOperandInfo->getArg(SubOpIdx))->getDef(); 100148c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach return getOperandClass(Rec, SubOpIdx); 100248c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach} 1003a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 100448c1f84b104fd32109d809a56f5ebbf461c0910cJim GrosbachClassInfo * 100548c1f84b104fd32109d809a56f5ebbf461c0910cJim GrosbachAsmMatcherInfo::getOperandClass(Record *Rec, int SubOpIdx) { 1006bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (Rec->isSubClassOf("RegisterOperand")) { 1007bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson // RegisterOperand may have an associated ParserMatchClass. If it does, 1008bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson // use it, else just fall back to the underlying register class. 1009bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson const RecordVal *R = Rec->getValue("ParserMatchClass"); 1010bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (R == 0 || R->getValue() == 0) 101161131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError("Record `" + Rec->getName() + 101261131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger "' does not have a ParserMatchClass!\n"); 1013bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson 10146cfc806a6b82b60a3e923b6b89f2b4da62cdb50bSean Silva if (DefInit *DI= dyn_cast<DefInit>(R->getValue())) { 1015bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson Record *MatchClass = DI->getDef(); 1016bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (ClassInfo *CI = AsmOperandClasses[MatchClass]) 1017bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson return CI; 1018bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson } 1019bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson 1020bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson // No custom match class. Just use the register class. 1021bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson Record *ClassRec = Rec->getValueAsDef("RegClass"); 1022bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (!ClassRec) 102361131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Rec->getLoc(), "RegisterOperand `" + Rec->getName() + 1024bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson "' has no associated register class!\n"); 1025bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (ClassInfo *CI = RegisterClassClasses[ClassRec]) 1026bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson return CI; 102761131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Rec->getLoc(), "register class has no class info!"); 1028bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson } 1029bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson 1030bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson 1031a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (Rec->isSubClassOf("RegisterClass")) { 1032a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (ClassInfo *CI = RegisterClassClasses[Rec]) 1033ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner return CI; 103461131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Rec->getLoc(), "register class has no class info!"); 1035ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1036338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar 1037a562dc7228990797a259f4fef4acb95a83b23e0dJim Grosbach if (!Rec->isSubClassOf("Operand")) 103861131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Rec->getLoc(), "Operand `" + Rec->getName() + 1039a562dc7228990797a259f4fef4acb95a83b23e0dJim Grosbach "' does not derive from class Operand!\n"); 1040a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *MatchClass = Rec->getValueAsDef("ParserMatchClass"); 1041ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner if (ClassInfo *CI = AsmOperandClasses[MatchClass]) 1042ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner return CI; 1043a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 104461131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Rec->getLoc(), "operand has no match class!"); 1045338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar} 1046338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar 10471de88235781c45c0afc0c7500d65b59775196c4cChris Lattnervoid AsmMatcherInfo:: 10488caecdea56c830f3fc80ed67fff121c83de0e364Jim GrosbachbuildRegisterClasses(SmallPtrSet<Record*, 16> &SingletonRegisters) { 1049abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen const std::vector<CodeGenRegister*> &Registers = 1050abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen Target.getRegBank().getRegisters(); 105129f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen ArrayRef<CodeGenRegisterClass*> RegClassList = 105229f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen Target.getRegBank().getRegClasses(); 1053338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar 1054ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // The register sets used for matching. 1055ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::set< std::set<Record*> > RegisterSets; 1056ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1057a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach // Gather the defined sets. 105829f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen for (ArrayRef<CodeGenRegisterClass*>::const_iterator it = 1059ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner RegClassList.begin(), ie = RegClassList.end(); it != ie; ++it) 106029f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen RegisterSets.insert(std::set<Record*>( 106129f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen (*it)->getOrder().begin(), (*it)->getOrder().end())); 10621095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 10631095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Add any required singleton sets. 10641de88235781c45c0afc0c7500d65b59775196c4cChris Lattner for (SmallPtrSet<Record*, 16>::iterator it = SingletonRegisters.begin(), 10651de88235781c45c0afc0c7500d65b59775196c4cChris Lattner ie = SingletonRegisters.end(); it != ie; ++it) { 10661de88235781c45c0afc0c7500d65b59775196c4cChris Lattner Record *Rec = *it; 10671de88235781c45c0afc0c7500d65b59775196c4cChris Lattner RegisterSets.insert(std::set<Record*>(&Rec, &Rec + 1)); 10681de88235781c45c0afc0c7500d65b59775196c4cChris Lattner } 1069a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 1070ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Introduce derived sets where necessary (when a register does not determine 1071ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // a unique register set class), and build the mapping of registers to the set 1072ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // they should classify to. 1073ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::map<Record*, std::set<Record*> > RegisterMap; 1074abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen for (std::vector<CodeGenRegister*>::const_iterator it = Registers.begin(), 1075ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = Registers.end(); it != ie; ++it) { 1076abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen const CodeGenRegister &CGR = **it; 1077ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Compute the intersection of all sets containing this register. 1078ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::set<Record*> ContainingSet; 1079a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 1080ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::set< std::set<Record*> >::iterator it = RegisterSets.begin(), 1081ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = RegisterSets.end(); it != ie; ++it) { 1082ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!it->count(CGR.TheDef)) 1083ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar continue; 1084ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1085ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (ContainingSet.empty()) { 1086ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ContainingSet = *it; 1087ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner continue; 1088ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1089828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1090ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner std::set<Record*> Tmp; 1091ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner std::swap(Tmp, ContainingSet); 1092ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner std::insert_iterator< std::set<Record*> > II(ContainingSet, 1093ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner ContainingSet.begin()); 1094ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner std::set_intersection(Tmp.begin(), Tmp.end(), it->begin(), it->end(), II); 1095ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1096ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1097ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!ContainingSet.empty()) { 1098ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar RegisterSets.insert(ContainingSet); 1099ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar RegisterMap.insert(std::make_pair(CGR.TheDef, ContainingSet)); 1100ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1101ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1102ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1103ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Construct the register classes. 1104ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::map<std::set<Record*>, ClassInfo*> RegisterSetClasses; 1105ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar unsigned Index = 0; 1106ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::set< std::set<Record*> >::iterator it = RegisterSets.begin(), 1107ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = RegisterSets.end(); it != ie; ++it, ++Index) { 1108ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ClassInfo *CI = new ClassInfo(); 1109ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->Kind = ClassInfo::RegisterClass0 + Index; 1110ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->ClassName = "Reg" + utostr(Index); 1111ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->Name = "MCK_Reg" + utostr(Index); 1112ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->ValueName = ""; 1113ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->PredicateMethod = ""; // unused 1114ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->RenderMethod = "addRegOperands"; 11158409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar CI->Registers = *it; 11164dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // FIXME: diagnostic type. 11174dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach CI->DiagnosticType = ""; 1118ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar Classes.push_back(CI); 1119ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar RegisterSetClasses.insert(std::make_pair(*it, CI)); 1120ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1121ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1122ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Find the superclasses; we could compute only the subgroup lattice edges, 1123ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // but there isn't really a point. 1124ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::set< std::set<Record*> >::iterator it = RegisterSets.begin(), 1125ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = RegisterSets.end(); it != ie; ++it) { 1126ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ClassInfo *CI = RegisterSetClasses[*it]; 1127ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::set< std::set<Record*> >::iterator it2 = RegisterSets.begin(), 1128ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie2 = RegisterSets.end(); it2 != ie2; ++it2) 1129a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach if (*it != *it2 && 1130ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::includes(it2->begin(), it2->end(), it->begin(), it->end())) 1131ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->SuperClasses.push_back(RegisterSetClasses[*it2]); 1132ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1133ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1134ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Name the register classes which correspond to a user defined RegisterClass. 113529f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen for (ArrayRef<CodeGenRegisterClass*>::const_iterator 1136ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner it = RegClassList.begin(), ie = RegClassList.end(); it != ie; ++it) { 113729f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen const CodeGenRegisterClass &RC = **it; 11386fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen // Def will be NULL for non-user defined register classes. 11396fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen Record *Def = RC.getDef(); 11406fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen if (!Def) 11416fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen continue; 114229f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen ClassInfo *CI = RegisterSetClasses[std::set<Record*>(RC.getOrder().begin(), 114329f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen RC.getOrder().end())]; 1144ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (CI->ValueName.empty()) { 114529f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen CI->ClassName = RC.getName(); 114629f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen CI->Name = "MCK_" + RC.getName(); 114729f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen CI->ValueName = RC.getName(); 1148ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } else 114929f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen CI->ValueName = CI->ValueName + "," + RC.getName(); 1150ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 11516fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen RegisterClassClasses.insert(std::make_pair(Def, CI)); 1152ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1153ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1154ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Populate the map for individual registers. 1155ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::map<Record*, std::set<Record*> >::iterator it = RegisterMap.begin(), 1156ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = RegisterMap.end(); it != ie; ++it) 1157ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner RegisterClasses[it->first] = RegisterSetClasses[it->second]; 11581095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 11591095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Name the register classes which correspond to singleton registers. 11601de88235781c45c0afc0c7500d65b59775196c4cChris Lattner for (SmallPtrSet<Record*, 16>::iterator it = SingletonRegisters.begin(), 11611de88235781c45c0afc0c7500d65b59775196c4cChris Lattner ie = SingletonRegisters.end(); it != ie; ++it) { 11621de88235781c45c0afc0c7500d65b59775196c4cChris Lattner Record *Rec = *it; 1163ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner ClassInfo *CI = RegisterClasses[Rec]; 11641de88235781c45c0afc0c7500d65b59775196c4cChris Lattner assert(CI && "Missing singleton register class info!"); 11651de88235781c45c0afc0c7500d65b59775196c4cChris Lattner 11661de88235781c45c0afc0c7500d65b59775196c4cChris Lattner if (CI->ValueName.empty()) { 11671de88235781c45c0afc0c7500d65b59775196c4cChris Lattner CI->ClassName = Rec->getName(); 11681de88235781c45c0afc0c7500d65b59775196c4cChris Lattner CI->Name = "MCK_" + Rec->getName(); 11691de88235781c45c0afc0c7500d65b59775196c4cChris Lattner CI->ValueName = Rec->getName(); 11701de88235781c45c0afc0c7500d65b59775196c4cChris Lattner } else 11711de88235781c45c0afc0c7500d65b59775196c4cChris Lattner CI->ValueName = CI->ValueName + "," + Rec->getName(); 11721095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar } 1173ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar} 1174ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 11758caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid AsmMatcherInfo::buildOperandClasses() { 1176e66b7ebfb426c7ed9bc911e9708321e2d8510b41Chris Lattner std::vector<Record*> AsmOperands = 1177e66b7ebfb426c7ed9bc911e9708321e2d8510b41Chris Lattner Records.getAllDerivedDefinitions("AsmOperandClass"); 1178a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar 1179a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar // Pre-populate AsmOperandClasses map. 1180a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<Record*>::iterator it = AsmOperands.begin(), 1181a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar ie = AsmOperands.end(); it != ie; ++it) 1182a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar AsmOperandClasses[*it] = new ClassInfo(); 1183a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar 1184338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar unsigned Index = 0; 1185a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<Record*>::iterator it = AsmOperands.begin(), 1186338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar ie = AsmOperands.end(); it != ie; ++it, ++Index) { 1187a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar ClassInfo *CI = AsmOperandClasses[*it]; 1188338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar CI->Kind = ClassInfo::UserClass0 + Index; 1189338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar 119005bce0beee87512e52428d4b80f5a8e79a949576David Greene ListInit *Supers = (*it)->getValueAsListInit("SuperClasses"); 119154ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar for (unsigned i = 0, e = Supers->getSize(); i != e; ++i) { 11926cfc806a6b82b60a3e923b6b89f2b4da62cdb50bSean Silva DefInit *DI = dyn_cast<DefInit>(Supers->getElement(i)); 119354ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar if (!DI) { 119454ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar PrintError((*it)->getLoc(), "Invalid super class reference!"); 119554ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar continue; 119654ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar } 119754ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar 1198ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ClassInfo *SC = AsmOperandClasses[DI->getDef()]; 1199ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!SC) 1200338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar PrintError((*it)->getLoc(), "Invalid super class reference!"); 1201ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar else 1202ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->SuperClasses.push_back(SC); 1203a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 1204338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar CI->ClassName = (*it)->getValueAsString("Name"); 1205338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar CI->Name = "MCK_" + CI->ClassName; 1206338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar CI->ValueName = (*it)->getName(); 12075c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar 12085c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar // Get or construct the predicate method name. 120905bce0beee87512e52428d4b80f5a8e79a949576David Greene Init *PMName = (*it)->getValueInit("PredicateMethod"); 12106cfc806a6b82b60a3e923b6b89f2b4da62cdb50bSean Silva if (StringInit *SI = dyn_cast<StringInit>(PMName)) { 12115c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar CI->PredicateMethod = SI->getValue(); 12125c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar } else { 12133f7b7f8ce0b050fc6a0100839d9c5a84198b2aedSean Silva assert(isa<UnsetInit>(PMName) && "Unexpected PredicateMethod field!"); 12145c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar CI->PredicateMethod = "is" + CI->ClassName; 12155c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar } 12165c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar 12175c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar // Get or construct the render method name. 121805bce0beee87512e52428d4b80f5a8e79a949576David Greene Init *RMName = (*it)->getValueInit("RenderMethod"); 12196cfc806a6b82b60a3e923b6b89f2b4da62cdb50bSean Silva if (StringInit *SI = dyn_cast<StringInit>(RMName)) { 12205c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar CI->RenderMethod = SI->getValue(); 12215c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar } else { 12223f7b7f8ce0b050fc6a0100839d9c5a84198b2aedSean Silva assert(isa<UnsetInit>(RMName) && "Unexpected RenderMethod field!"); 12235c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar CI->RenderMethod = "add" + CI->ClassName + "Operands"; 12245c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar } 12255c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar 1226e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Get the parse method name or leave it as empty. 122705bce0beee87512e52428d4b80f5a8e79a949576David Greene Init *PRMName = (*it)->getValueInit("ParserMethod"); 12286cfc806a6b82b60a3e923b6b89f2b4da62cdb50bSean Silva if (StringInit *SI = dyn_cast<StringInit>(PRMName)) 1229e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes CI->ParserMethod = SI->getValue(); 1230e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 12314dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Get the diagnostic type or leave it as empty. 12324dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Get the parse method name or leave it as empty. 12334dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach Init *DiagnosticType = (*it)->getValueInit("DiagnosticType"); 12346cfc806a6b82b60a3e923b6b89f2b4da62cdb50bSean Silva if (StringInit *SI = dyn_cast<StringInit>(DiagnosticType)) 12354dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach CI->DiagnosticType = SI->getValue(); 12364dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 1237338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar AsmOperandClasses[*it] = CI; 1238338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar Classes.push_back(CI); 1239a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 1240ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar} 1241ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1242828295bb301d6cd3683751c2da1c2dd22ec6423fBob WilsonAsmMatcherInfo::AsmMatcherInfo(Record *asmParser, 1243828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson CodeGenTarget &target, 12449c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner RecordKeeper &records) 124563faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel : Records(records), AsmParser(asmParser), Target(target) { 124659fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar} 124759fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar 12488caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// buildOperandMatchInfo - Build the necessary information to handle user 1249e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes/// defined operand parsing methods. 12508caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid AsmMatcherInfo::buildOperandMatchInfo() { 1251e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1252d4824fc8aa1df5501600dd2a73c6da823f3b02dbJim Grosbach /// Map containing a mask with all operands indices that can be found for 1253e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes /// that class inside a instruction. 1254b2df610b44902124c22f3661a39bffd5341da62dSean Silva typedef std::map<ClassInfo*, unsigned, LessClassInfoPtr> OpClassMaskTy; 1255b2df610b44902124c22f3661a39bffd5341da62dSean Silva OpClassMaskTy OpClassMask; 1256e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1257e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (std::vector<MatchableInfo*>::const_iterator it = 1258e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes Matchables.begin(), ie = Matchables.end(); 1259e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes it != ie; ++it) { 1260e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes MatchableInfo &II = **it; 1261e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OpClassMask.clear(); 1262e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1263e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Keep track of all operands of this instructions which belong to the 1264e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // same class. 1265e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (unsigned i = 0, e = II.AsmOperands.size(); i != e; ++i) { 1266e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes MatchableInfo::AsmOperand &Op = II.AsmOperands[i]; 1267e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (Op.Class->ParserMethod.empty()) 1268e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes continue; 1269e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes unsigned &OperandMask = OpClassMask[Op.Class]; 1270e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OperandMask |= (1 << i); 1271e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 1272e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1273e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Generate operand match info for each mnemonic/operand class pair. 1274b2df610b44902124c22f3661a39bffd5341da62dSean Silva for (OpClassMaskTy::iterator iit = OpClassMask.begin(), 1275e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes iie = OpClassMask.end(); iit != iie; ++iit) { 1276e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes unsigned OpMask = iit->second; 1277e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes ClassInfo *CI = iit->first; 12788caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach OperandMatchInfo.push_back(OperandMatchEntry::create(&II, CI, OpMask)); 1279e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 1280e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 1281e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes} 1282e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 12838caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid AsmMatcherInfo::buildInfo() { 12840aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner // Build information about all of the AssemblerPredicates. 12850aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner std::vector<Record*> AllPredicates = 12860aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner Records.getAllDerivedDefinitions("Predicate"); 12870aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner for (unsigned i = 0, e = AllPredicates.size(); i != e; ++i) { 12880aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner Record *Pred = AllPredicates[i]; 12890aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner // Ignore predicates that are not intended for the assembler. 12900aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner if (!Pred->getValueAsBit("AssemblerMatcherPredicate")) 12910aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner continue; 1292828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 12934164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner if (Pred->getName().empty()) 129461131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Pred->getLoc(), "Predicate has no name!"); 1295828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 12960aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner unsigned FeatureNo = SubtargetFeatures.size(); 12970aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner SubtargetFeatures[Pred] = new SubtargetFeatureInfo(Pred, FeatureNo); 12980aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner assert(FeatureNo < 32 && "Too many subtarget features!"); 12990aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner } 1300a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 130139ee036f407bd0c94cb993cf9b97348843cfafa4Chris Lattner // Parse the instructions; we need to do this first so that we can gather the 130239ee036f407bd0c94cb993cf9b97348843cfafa4Chris Lattner // singleton register classes. 13031de88235781c45c0afc0c7500d65b59775196c4cChris Lattner SmallPtrSet<Record*, 16> SingletonRegisters; 13040dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel unsigned VariantCount = Target.getAsmParserVariantCount(); 13050dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel for (unsigned VC = 0; VC != VariantCount; ++VC) { 13060dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel Record *AsmVariant = Target.getAsmParserVariant(VC); 130765da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach std::string CommentDelimiter = 130865da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach AsmVariant->getValueAsString("CommentDelimiter"); 13090dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel std::string RegisterPrefix = AsmVariant->getValueAsString("RegisterPrefix"); 13100dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel int AsmVariantNo = AsmVariant->getValueAsInt("Variant"); 1311f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13120dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel for (CodeGenTarget::inst_iterator I = Target.inst_begin(), 131311fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach E = Target.inst_end(); I != E; ++I) { 13140dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel const CodeGenInstruction &CGI = **I; 1315f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13160dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // If the tblgen -match-prefix option is specified (for tblgen hackers), 13170dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // filter the set of instructions we consider. 13180dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel if (!StringRef(CGI.TheDef->getName()).startswith(MatchPrefix)) 131911fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1320f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13210dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Ignore "codegen only" instructions. 13220dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel if (CGI.TheDef->getValueAsBit("isCodeGenOnly")) 132311fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1324f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13250dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Validate the operand list to ensure we can handle this instruction. 13260dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel for (unsigned i = 0, e = CGI.Operands.size(); i != e; ++i) { 132711fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach const CGIOperandList::OperandInfo &OI = CGI.Operands[i]; 132811fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach 132911fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach // Validate tied operands. 133011fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach if (OI.getTiedRegister() != -1) { 133111fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach // If we have a tied operand that consists of multiple MCOperands, 133211fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach // reject it. We reject aliases and ignore instructions for now. 133311fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach if (OI.MINumOperands != 1) { 133411fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach // FIXME: Should reject these. The ARM backend hits this with $lane 133565da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach // in a bunch of instructions. The right answer is unclear. 133611fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach DEBUG({ 133711fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach errs() << "warning: '" << CGI.TheDef->getName() << "': " 133865da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach << "ignoring instruction with multi-operand tied operand '" 133965da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach << OI.Name << "'\n"; 134011fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach }); 134111fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 134211fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach } 134311fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach } 13441d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 1345f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13460dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel OwningPtr<MatchableInfo> II(new MatchableInfo(CGI)); 1347f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13488caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->initialize(*this, SingletonRegisters, AsmVariantNo, RegisterPrefix); 1349f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13500dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Ignore instructions which shouldn't be matched and diagnose invalid 13510dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // instruction definitions with an error. 13528caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach if (!II->validate(CommentDelimiter, true)) 135311fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1354f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13550dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Ignore "Int_*" and "*_Int" instructions, which are internal aliases. 13560dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // 13570dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // FIXME: This is a total hack. 13580dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel if (StringRef(II->TheDef->getName()).startswith("Int_") || 135911fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach StringRef(II->TheDef->getName()).endswith("_Int")) 136011fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1361f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13620dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel Matchables.push_back(II.take()); 13630dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel } 1364f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13650dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Parse all of the InstAlias definitions and stick them in the list of 13660dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // matchables. 13670dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel std::vector<Record*> AllInstAliases = 13680dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel Records.getAllDerivedDefinitions("InstAlias"); 13690dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel for (unsigned i = 0, e = AllInstAliases.size(); i != e; ++i) { 13700dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel CodeGenInstAlias *Alias = new CodeGenInstAlias(AllInstAliases[i], Target); 1371f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13720dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // If the tblgen -match-prefix option is specified (for tblgen hackers), 13730dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // filter the set of instruction aliases we consider, based on the target 13740dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // instruction. 137565da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach if (!StringRef(Alias->ResultInst->TheDef->getName()) 137665da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach .startswith( MatchPrefix)) 137711fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1378f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13790dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel OwningPtr<MatchableInfo> II(new MatchableInfo(Alias)); 1380f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13818caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->initialize(*this, SingletonRegisters, AsmVariantNo, RegisterPrefix); 1382f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13830dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Validate the alias definitions. 13848caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->validate(CommentDelimiter, false); 1385f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13860dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel Matchables.push_back(II.take()); 13871d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 1388c76e80ded753b78a72be0db40fcdba543435d818Chris Lattner } 1389c240bb0ede0541426254d0e0dc81d891beda4b22Chris Lattner 13901095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Build info for the register classes. 13918caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach buildRegisterClasses(SingletonRegisters); 13921095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 13931095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Build info for the user defined assembly operand classes. 13948caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach buildOperandClasses(); 13951095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 13960bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner // Build the information about matchables, now that we have fully formed 13970bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner // classes. 1398c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach std::vector<MatchableInfo*> NewMatchables; 139922bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::iterator it = Matchables.begin(), 140022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner ie = Matchables.end(); it != ie; ++it) { 140122bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo *II = *it; 1402a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 1403e206fcf0e9c7e79c7f42ff2151f3fb58cba70674Chris Lattner // Parse the tokens after the mnemonic. 14048caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach // Note: buildInstructionOperandReference may insert new AsmOperands, so 1405a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // don't precompute the loop bound. 1406a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for (unsigned i = 0; i != II->AsmOperands.size(); ++i) { 1407c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner MatchableInfo::AsmOperand &Op = II->AsmOperands[i]; 1408d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef Token = Op.Token; 140920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 14101095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Check for singleton registers. 141163faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel if (Record *RegRecord = II->AsmOperands[i].SingletonReg) { 1412d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Op.Class = RegisterClasses[RegRecord]; 141302bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner assert(Op.Class && Op.Class->Registers.size() == 1 && 141402bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner "Unexpected class for singleton register"); 141502bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner continue; 14161095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar } 14171095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 141820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar // Check for simple tokens. 141920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar if (Token[0] != '$') { 1420d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Op.Class = getTokenClass(Token); 142120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar continue; 142220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar } 1423a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 14247ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner if (Token.size() > 1 && isdigit(Token[1])) { 14257ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner Op.Class = getTokenClass(Token); 14267ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner continue; 14277ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner } 1428828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1429c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // Otherwise this is an operand reference. 14305f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner StringRef OperandName; 14315f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner if (Token[1] == '{') 14325f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner OperandName = Token.substr(2, Token.size() - 3); 14335f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner else 14345f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner OperandName = Token.substr(1); 1435828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1436c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner if (II->DefRec.is<const CodeGenInstruction*>()) 14378caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach buildInstructionOperandReference(II, OperandName, i); 1438c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner else 14398caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach buildAliasOperandReference(II, OperandName, Op); 144053a7f16dcc96de71fa46f641c59470586548081eDaniel Dunbar } 1441828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1442c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (II->DefRec.is<const CodeGenInstruction*>()) { 14438caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->buildInstructionResultOperands(); 1444c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // If the instruction has a two-operand alias, build up the 1445c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // matchable here. We'll add them in bulk at the end to avoid 1446c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // confusing this loop. 1447c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach std::string Constraint = 1448c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach II->TheDef->getValueAsString("TwoOperandAliasConstraint"); 1449c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Constraint != "") { 1450c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Start by making a copy of the original matchable. 1451c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach OwningPtr<MatchableInfo> AliasII(new MatchableInfo(*II)); 1452c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 1453c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Adjust it to be a two-operand alias. 1454c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach AliasII->formTwoOperandAlias(Constraint); 1455c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 1456c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Add the alias to the matchables list. 1457c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach NewMatchables.push_back(AliasII.take()); 1458c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 1459c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } else 14608caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->buildAliasResultOperands(); 146120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar } 1462c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (!NewMatchables.empty()) 1463c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Matchables.insert(Matchables.end(), NewMatchables.begin(), 1464c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach NewMatchables.end()); 14655fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar 1466a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach // Process token alias definitions and set up the associated superclass 1467a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach // information. 1468a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach std::vector<Record*> AllTokenAliases = 1469a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach Records.getAllDerivedDefinitions("TokenAlias"); 1470a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach for (unsigned i = 0, e = AllTokenAliases.size(); i != e; ++i) { 1471a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach Record *Rec = AllTokenAliases[i]; 1472a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach ClassInfo *FromClass = getTokenClass(Rec->getValueAsString("FromToken")); 1473a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach ClassInfo *ToClass = getTokenClass(Rec->getValueAsString("ToToken")); 147467cd20d0396a68e61858736b7943dd352f1b0d0bJim Grosbach if (FromClass == ToClass) 147561131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(Rec->getLoc(), 147667cd20d0396a68e61858736b7943dd352f1b0d0bJim Grosbach "error: Destination value identical to source value."); 1477a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach FromClass->SuperClasses.push_back(ToClass); 1478a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach } 1479a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach 14807a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner // Reorder classes so that classes precede super classes. 14815fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar std::sort(Classes.begin(), Classes.end(), less_ptr<ClassInfo>()); 148220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar} 1483a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 14848caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// buildInstructionOperandReference - The specified operand is a reference to a 14850bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner/// named operand such as $src. Resolve the Class and OperandInfo pointers. 14860bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattnervoid AsmMatcherInfo:: 14878caecdea56c830f3fc80ed67fff121c83de0e364Jim GrosbachbuildInstructionOperandReference(MatchableInfo *II, 14885f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner StringRef OperandName, 1489a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned AsmOpIdx) { 1490c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner const CodeGenInstruction &CGI = *II->DefRec.get<const CodeGenInstruction*>(); 1491c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner const CGIOperandList &Operands = CGI.Operands; 1492a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson MatchableInfo::AsmOperand *Op = &II->AsmOperands[AsmOpIdx]; 1493828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1494662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // Map this token to an operand. 14950bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner unsigned Idx; 14960bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner if (!Operands.hasOperandNamed(OperandName, Idx)) 149761131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(II->TheDef->getLoc(), "error: unable to find operand: '" + 14980bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner OperandName.str() + "'"); 1499ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner 1500a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // If the instruction operand has multiple suboperands, but the parser 1501a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // match class for the asm operand is still the default "ImmAsmOperand", 1502a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // then handle each suboperand separately. 1503a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (Op->SubOpIdx == -1 && Operands[Idx].MINumOperands > 1) { 1504a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *Rec = Operands[Idx].Rec; 1505a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson assert(Rec->isSubClassOf("Operand") && "Unexpected operand!"); 1506a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *MatchClass = Rec->getValueAsDef("ParserMatchClass"); 1507a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (MatchClass && MatchClass->getValueAsString("Name") == "Imm") { 1508a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Insert remaining suboperands after AsmOpIdx in II->AsmOperands. 1509a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson StringRef Token = Op->Token; // save this in case Op gets moved 1510a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for (unsigned SI = 1, SE = Operands[Idx].MINumOperands; SI != SE; ++SI) { 1511a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson MatchableInfo::AsmOperand NewAsmOp(Token); 1512a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson NewAsmOp.SubOpIdx = SI; 1513a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson II->AsmOperands.insert(II->AsmOperands.begin()+AsmOpIdx+SI, NewAsmOp); 1514a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1515a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Replace Op with first suboperand. 1516a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op = &II->AsmOperands[AsmOpIdx]; // update the pointer in case it moved 1517a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op->SubOpIdx = 0; 1518a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1519a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1520a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 1521ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // Set up the operand class. 1522a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op->Class = getOperandClass(Operands[Idx], Op->SubOpIdx); 1523ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner 1524ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // If the named operand is tied, canonicalize it to the untied operand. 1525ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // For example, something like: 1526ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // (outs GPR:$dst), (ins GPR:$src) 1527ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // with an asmstring of 1528ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // "inc $src" 1529ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // we want to canonicalize to: 1530c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // "inc $dst" 1531c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // so that we know how to provide the $dst operand when filling in the result. 1532c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner int OITied = Operands[Idx].getTiedRegister(); 1533c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner if (OITied != -1) { 1534c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // The tied operand index is an MIOperand index, find the operand that 1535c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // contains it. 1536a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson std::pair<unsigned, unsigned> Idx = Operands.getSubOperandNumber(OITied); 1537a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson OperandName = Operands[Idx.first].Name; 1538a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op->SubOpIdx = Idx.second; 1539c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner } 1540828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1541a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op->SrcOpName = OperandName; 1542c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner} 1543c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner 15448caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// buildAliasOperandReference - When parsing an operand reference out of the 15453f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner/// matching string (e.g. "movsx $src, $dst"), determine what the class of the 15463f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner/// operand reference is by looking it up in the result pattern definition. 15478caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid AsmMatcherInfo::buildAliasOperandReference(MatchableInfo *II, 1548c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner StringRef OperandName, 1549c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner MatchableInfo::AsmOperand &Op) { 1550c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner const CodeGenInstAlias &CGA = *II->DefRec.get<const CodeGenInstAlias*>(); 1551828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1552c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // Set up the operand class. 15533f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner for (unsigned i = 0, e = CGA.ResultOperands.size(); i != e; ++i) 155498c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner if (CGA.ResultOperands[i].isRecord() && 155598c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner CGA.ResultOperands[i].getName() == OperandName) { 1556662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // It's safe to go with the first one we find, because CodeGenInstAlias 1557662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // validates that all operands with the same name have the same record. 1558a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op.SubOpIdx = CGA.ResultInstOperandIndex[i].second; 155948c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach // Use the match class from the Alias definition, not the 156048c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach // destination instruction, as we may have an immediate that's 156148c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach // being munged by the match class. 156248c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach Op.Class = getOperandClass(CGA.ResultOperands[i].getRecord(), 1563a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op.SubOpIdx); 15643f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner Op.SrcOpName = OperandName; 15653f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner return; 15660bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner } 15673f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner 156861131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(II->TheDef->getLoc(), "error: unable to find operand: '" + 15693f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner OperandName.str() + "'"); 15700bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner} 15710bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner 15728caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid MatchableInfo::buildInstructionResultOperands() { 1573662e5a30e864e71111b885d3da3cdd184772035dChris Lattner const CodeGenInstruction *ResultInst = getResultInst(); 1574828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1575662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // Loop over all operands of the result instruction, determining how to 1576662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // populate them. 1577662e5a30e864e71111b885d3da3cdd184772035dChris Lattner for (unsigned i = 0, e = ResultInst->Operands.size(); i != e; ++i) { 1578662e5a30e864e71111b885d3da3cdd184772035dChris Lattner const CGIOperandList::OperandInfo &OpInfo = ResultInst->Operands[i]; 1579567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner 1580567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner // If this is a tied operand, just copy from the previously handled operand. 1581567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner int TiedOp = OpInfo.getTiedRegister(); 1582567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner if (TiedOp != -1) { 1583a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getTiedOp(TiedOp)); 1584567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner continue; 1585567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner } 1586828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1587a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Find out what operand from the asmparser this MCInst operand comes from. 15888caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach int SrcOperand = findAsmOperandNamed(OpInfo.Name); 1589a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (OpInfo.Name.empty() || SrcOperand == -1) 159061131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), "Instruction '" + 1591a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson TheDef->getName() + "' has operand '" + OpInfo.Name + 1592a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson "' that doesn't appear in asm string!"); 1593567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner 1594a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Check if the one AsmOperand populates the entire operand. 1595a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned NumOperands = OpInfo.MINumOperands; 1596a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (AsmOperands[SrcOperand].SubOpIdx == -1) { 1597a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getRenderedOp(SrcOperand, NumOperands)); 15981d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner continue; 15991d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 1600a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 1601a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Add a separate ResOperand for each suboperand. 1602a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for (unsigned AI = 0; AI < NumOperands; ++AI) { 1603a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson assert(AsmOperands[SrcOperand+AI].SubOpIdx == (int)AI && 1604a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson AsmOperands[SrcOperand+AI].SrcOpName == OpInfo.Name && 1605a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson "unexpected AsmOperands for suboperands"); 1606a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getRenderedOp(SrcOperand + AI, 1)); 1607a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 16081d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 16091d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner} 16101d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner 16118caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid MatchableInfo::buildAliasResultOperands() { 1612414098571b19fc248fda2be194082cfd012d2729Chris Lattner const CodeGenInstAlias &CGA = *DefRec.get<const CodeGenInstAlias*>(); 1613414098571b19fc248fda2be194082cfd012d2729Chris Lattner const CodeGenInstruction *ResultInst = getResultInst(); 1614828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1615414098571b19fc248fda2be194082cfd012d2729Chris Lattner // Loop over all operands of the result instruction, determining how to 1616414098571b19fc248fda2be194082cfd012d2729Chris Lattner // populate them. 1617414098571b19fc248fda2be194082cfd012d2729Chris Lattner unsigned AliasOpNo = 0; 1618a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned LastOpNo = CGA.ResultInstOperandIndex.size(); 1619414098571b19fc248fda2be194082cfd012d2729Chris Lattner for (unsigned i = 0, e = ResultInst->Operands.size(); i != e; ++i) { 1620a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson const CGIOperandList::OperandInfo *OpInfo = &ResultInst->Operands[i]; 1621828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1622414098571b19fc248fda2be194082cfd012d2729Chris Lattner // If this is a tied operand, just copy from the previously handled operand. 1623a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int TiedOp = OpInfo->getTiedRegister(); 1624414098571b19fc248fda2be194082cfd012d2729Chris Lattner if (TiedOp != -1) { 1625a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getTiedOp(TiedOp)); 162690fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner continue; 162790fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner } 162890fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner 1629a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Handle all the suboperands for this operand. 1630a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson const std::string &OpName = OpInfo->Name; 1631a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for ( ; AliasOpNo < LastOpNo && 1632a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson CGA.ResultInstOperandIndex[AliasOpNo].first == i; ++AliasOpNo) { 1633a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int SubIdx = CGA.ResultInstOperandIndex[AliasOpNo].second; 1634a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 1635a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Find out what operand from the asmparser that this MCInst operand 1636a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // comes from. 1637a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson switch (CGA.ResultOperands[AliasOpNo].Kind) { 1638a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson case CodeGenInstAlias::ResultOperand::K_Record: { 1639a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson StringRef Name = CGA.ResultOperands[AliasOpNo].getName(); 16408caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach int SrcOperand = findAsmOperand(Name, SubIdx); 1641a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (SrcOperand == -1) 164261131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(TheDef->getLoc(), "Instruction '" + 1643a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson TheDef->getName() + "' has operand '" + OpName + 1644a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson "' that doesn't appear in asm string!"); 1645a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned NumOperands = (SubIdx == -1 ? OpInfo->MINumOperands : 1); 1646a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getRenderedOp(SrcOperand, 1647a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson NumOperands)); 1648a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson break; 1649a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1650a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson case CodeGenInstAlias::ResultOperand::K_Imm: { 1651a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int64_t ImmVal = CGA.ResultOperands[AliasOpNo].getImm(); 1652a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getImmOp(ImmVal)); 1653a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson break; 1654a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1655a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson case CodeGenInstAlias::ResultOperand::K_Reg: { 1656a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *Reg = CGA.ResultOperands[AliasOpNo].getRegister(); 1657a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getRegOp(Reg)); 1658a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson break; 1659a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1660a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 166190fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner } 1662414098571b19fc248fda2be194082cfd012d2729Chris Lattner } 1663414098571b19fc248fda2be194082cfd012d2729Chris Lattner} 16641d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner 1665c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbachstatic unsigned getConverterOperandID(const std::string &Name, 1666c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach SetVector<std::string> &Table, 1667c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach bool &IsNew) { 1668c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach IsNew = Table.insert(Name); 1669c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1670c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned ID = IsNew ? Table.size() - 1 : 1671c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::find(Table.begin(), Table.end(), Name) - Table.begin(); 1672c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1673c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach assert(ID < Table.size()); 1674c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1675c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach return ID; 1676c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach} 1677c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1678c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 167922685876ed7231f32f7d1698c00acab22825b74cChad Rosierstatic void emitConvertFuncs(CodeGenTarget &Target, StringRef ClassName, 168022685876ed7231f32f7d1698c00acab22825b74cChad Rosier std::vector<MatchableInfo*> &Infos, 168122685876ed7231f32f7d1698c00acab22825b74cChad Rosier raw_ostream &OS) { 1682c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach SetVector<std::string> OperandConversionKinds; 1683c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach SetVector<std::string> InstructionConversionKinds; 1684c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::vector<std::vector<uint8_t> > ConversionTable; 1685c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach size_t MaxRowLength = 2; // minimum is custom converter plus terminator. 1686c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1687c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // TargetOperandClass - This is the target's operand class, like X86Operand. 1688c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string TargetOperandClass = Target.getName() + "Operand"; 1689c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1690b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar // Write the convert function to a separate stream, so we can drop it after 1691c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // the enum. We'll build up the conversion handlers for the individual 1692c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // operand types opportunistically as we encounter them. 1693b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar std::string ConvertFnBody; 1694b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar raw_string_ostream CvtOS(ConvertFnBody); 1695b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar // Start the unified conversion function. 1696359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier CvtOS << "void " << Target.getName() << ClassName << "::\n" 169790e11f8c95146c2d3718e9b3de71ee6628347b05Chad Rosier << "convertToMCInst(unsigned Kind, MCInst &Inst, " 1698b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar << "unsigned Opcode,\n" 169904508c6cb734ab1119a076f94b1c9fe8c4240b7dChad Rosier << " const SmallVectorImpl<MCParsedAsmOperand*" 1700c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << "> &Operands) {\n" 1701359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier << " assert(Kind < CVT_NUM_SIGNATURES && \"Invalid signature!\");\n" 1702b198f5c8979d46d75a08c1710a160f8e102b9ba8Craig Topper << " const uint8_t *Converter = ConversionTable[Kind];\n" 1703c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " Inst.setOpcode(Opcode);\n" 1704b198f5c8979d46d75a08c1710a160f8e102b9ba8Craig Topper << " for (const uint8_t *p = Converter; *p; p+= 2) {\n" 1705c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " switch (*p) {\n" 1706c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " default: llvm_unreachable(\"invalid conversion entry!\");\n" 1707c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " case CVT_Reg:\n" 1708c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " static_cast<" << TargetOperandClass 1709c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << "*>(Operands[*(p + 1)])->addRegOperands(Inst, 1);\n" 1710c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n" 1711c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " case CVT_Tied:\n" 1712c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " Inst.addOperand(Inst.getOperand(*(p + 1)));\n" 1713c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n"; 1714c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 171562316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier std::string OperandFnBody; 171662316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier raw_string_ostream OpOS(OperandFnBody); 171762316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // Start the operand number lookup function. 171822685876ed7231f32f7d1698c00acab22825b74cChad Rosier OpOS << "void " << Target.getName() << ClassName << "::\n" 171922685876ed7231f32f7d1698c00acab22825b74cChad Rosier << "convertToMapAndConstraints(unsigned Kind,\n"; 1720c69bb70deb5b596941bb1de180d1554f9a411062Chad Rosier OpOS.indent(27); 17216e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier OpOS << "const SmallVectorImpl<MCParsedAsmOperand*> &Operands) {\n" 1722359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier << " assert(Kind < CVT_NUM_SIGNATURES && \"Invalid signature!\");\n" 172322685876ed7231f32f7d1698c00acab22825b74cChad Rosier << " unsigned NumMCOperands = 0;\n" 1724b198f5c8979d46d75a08c1710a160f8e102b9ba8Craig Topper << " const uint8_t *Converter = ConversionTable[Kind];\n" 1725b198f5c8979d46d75a08c1710a160f8e102b9ba8Craig Topper << " for (const uint8_t *p = Converter; *p; p+= 2) {\n" 172662316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " switch (*p) {\n" 172762316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " default: llvm_unreachable(\"invalid conversion entry!\");\n" 172862316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " case CVT_Reg:\n" 17296e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier << " Operands[*(p + 1)]->setMCOperandNum(NumMCOperands);\n" 17301c99a7f4892a24eb227802e042917d05d8cd415fChad Rosier << " Operands[*(p + 1)]->setConstraint(\"r\");\n" 17316e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier << " ++NumMCOperands;\n" 17326e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier << " break;\n" 173362316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " case CVT_Tied:\n" 173422685876ed7231f32f7d1698c00acab22825b74cChad Rosier << " ++NumMCOperands;\n" 173562316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n"; 1736c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1737c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Pre-populate the operand conversion kinds with the standard always 1738c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // available entries. 1739c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OperandConversionKinds.insert("CVT_Done"); 1740c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OperandConversionKinds.insert("CVT_Reg"); 1741c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OperandConversionKinds.insert("CVT_Tied"); 1742c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach enum { CVT_Done, CVT_Reg, CVT_Tied }; 1743a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 174422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::const_iterator it = Infos.begin(), 174520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar ie = Infos.end(); it != ie; ++it) { 174622bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo &II = **it; 174720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 1748cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar // Check if we have a custom match function. 174927b83d4ff2264d9a0e2367d92543efe4c0148931Daniel Dunbar std::string AsmMatchConverter = 175027b83d4ff2264d9a0e2367d92543efe4c0148931Daniel Dunbar II.getResultInst()->TheDef->getValueAsString("AsmMatchConverter"); 1751cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar if (!AsmMatchConverter.empty()) { 175227b83d4ff2264d9a0e2367d92543efe4c0148931Daniel Dunbar std::string Signature = "ConvertCustom_" + AsmMatchConverter; 1753cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar II.ConversionFnKind = Signature; 1754cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar 1755cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar // Check if we have already generated this signature. 1756c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!InstructionConversionKinds.insert(Signature)) 1757cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar continue; 1758cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar 1759c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Remember this converter for the kind enum. 1760c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned KindID = OperandConversionKinds.size(); 176112da505d938ecfbc49b203e454bada99eda950e3Tim Northover OperandConversionKinds.insert("CVT_" + 176212da505d938ecfbc49b203e454bada99eda950e3Tim Northover getEnumNameForToken(AsmMatchConverter)); 1763c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1764c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the converter row for this instruction. 1765c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionTable.push_back(std::vector<uint8_t>()); 1766c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionTable.back().push_back(KindID); 1767c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionTable.back().push_back(CVT_Done); 1768cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar 1769c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the handler to the conversion driver function. 177012da505d938ecfbc49b203e454bada99eda950e3Tim Northover CvtOS << " case CVT_" 177112da505d938ecfbc49b203e454bada99eda950e3Tim Northover << getEnumNameForToken(AsmMatchConverter) << ":\n" 1772756d2cc2f7f6745603fdc0ec1ed4476d06385845Chad Rosier << " " << AsmMatchConverter << "(Inst, Operands);\n" 1773359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier << " break;\n"; 1774c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 177562316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // FIXME: Handle the operand number lookup for custom match functions. 1776cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar continue; 1777cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar } 1778cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar 177920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar // Build the conversion function signature. 178020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar std::string Signature = "Convert"; 1781c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1782c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::vector<uint8_t> ConversionRow; 1783828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1784dda855de8b3c60bce5d1d0d9eb11470c9710e30fChris Lattner // Compute the convert enum and the case body. 1785c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach MaxRowLength = std::max(MaxRowLength, II.ResOperands.size()*2 + 1 ); 1786c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 17871d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner for (unsigned i = 0, e = II.ResOperands.size(); i != e; ++i) { 17881d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner const MatchableInfo::ResOperand &OpInfo = II.ResOperands[i]; 17891d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner 17901d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner // Generate code to populate each result operand. 17911d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner switch (OpInfo.Kind) { 17921d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner case MatchableInfo::ResOperand::RenderAsmOperand: { 17931d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner // This comes from something we parsed. 17941d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner MatchableInfo::AsmOperand &Op = II.AsmOperands[OpInfo.AsmOperandNum]; 1795828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 17969b0d4bfca0f23d39f5f2aef6b6740267a26ee17cChris Lattner // Registers are always converted the same, don't duplicate the 17979b0d4bfca0f23d39f5f2aef6b6740267a26ee17cChris Lattner // conversion function based on them. 17989b0d4bfca0f23d39f5f2aef6b6740267a26ee17cChris Lattner Signature += "__"; 1799c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Class; 1800c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Class = Op.Class->isRegisterClass() ? "Reg" : Op.Class->ClassName; 1801c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Signature += Class; 1802a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Signature += utostr(OpInfo.MINumOperands); 18031d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner Signature += "_" + itostr(OpInfo.AsmOperandNum); 1804828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1805c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the conversion kind, if necessary, and get the associated ID 1806c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // the index of its entry in the vector). 1807c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Name = "CVT_" + (Op.Class->isRegisterClass() ? "Reg" : 1808c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Op.Class->RenderMethod); 180912da505d938ecfbc49b203e454bada99eda950e3Tim Northover Name = getEnumNameForToken(Name); 1810c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1811c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach bool IsNewConverter = false; 1812c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned ID = getConverterOperandID(Name, OperandConversionKinds, 1813c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach IsNewConverter); 1814c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1815c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the operand entry to the instruction kind conversion row. 1816c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(ID); 1817c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(OpInfo.AsmOperandNum + 1); 1818c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1819c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!IsNewConverter) 1820c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach break; 1821c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1822c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // This is a new operand kind. Add a handler for it to the 1823c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // converter driver. 1824c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach CvtOS << " case " << Name << ":\n" 1825c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " static_cast<" << TargetOperandClass 1826c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << "*>(Operands[*(p + 1)])->" 1827c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << Op.Class->RenderMethod << "(Inst, " << OpInfo.MINumOperands 1828c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << ");\n" 1829c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n"; 183062316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier 183162316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // Add a handler for the operand number lookup. 183262316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier OpOS << " case " << Name << ":\n" 18331c99a7f4892a24eb227802e042917d05d8cd415fChad Rosier << " Operands[*(p + 1)]->setMCOperandNum(NumMCOperands);\n"; 18341c99a7f4892a24eb227802e042917d05d8cd415fChad Rosier 18351c99a7f4892a24eb227802e042917d05d8cd415fChad Rosier if (Op.Class->isRegisterClass()) 18361c99a7f4892a24eb227802e042917d05d8cd415fChad Rosier OpOS << " Operands[*(p + 1)]->setConstraint(\"r\");\n"; 18371c99a7f4892a24eb227802e042917d05d8cd415fChad Rosier else 18381c99a7f4892a24eb227802e042917d05d8cd415fChad Rosier OpOS << " Operands[*(p + 1)]->setConstraint(\"m\");\n"; 18391c99a7f4892a24eb227802e042917d05d8cd415fChad Rosier OpOS << " NumMCOperands += " << OpInfo.MINumOperands << ";\n" 184062316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n"; 18411d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner break; 18421d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 18431d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner case MatchableInfo::ResOperand::TiedOperand: { 18441d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner // If this operand is tied to a previous one, just copy the MCInst 18451d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner // operand from the earlier one.We can only tie single MCOperand values. 1846a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson //assert(OpInfo.MINumOperands == 1 && "Not a singular MCOperand"); 18471d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner unsigned TiedOp = OpInfo.TiedOperandNum; 18487a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner assert(i > TiedOp && "Tied operand precedes its target!"); 18491d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner Signature += "__Tie" + utostr(TiedOp); 1850c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(CVT_Tied); 1851c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(TiedOp); 185262316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // FIXME: Handle the operand number lookup for tied operands. 18531d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner break; 18541d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 185598c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner case MatchableInfo::ResOperand::ImmOperand: { 185698c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner int64_t Val = OpInfo.ImmVal; 1857c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Ty = "imm_" + itostr(Val); 1858c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Signature += "__" + Ty; 1859c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1860c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Name = "CVT_" + Ty; 1861c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach bool IsNewConverter = false; 1862c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned ID = getConverterOperandID(Name, OperandConversionKinds, 1863c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach IsNewConverter); 1864c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the operand entry to the instruction kind conversion row. 1865c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(ID); 1866c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(0); 1867c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1868c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!IsNewConverter) 1869c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach break; 1870c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1871c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach CvtOS << " case " << Name << ":\n" 1872c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " Inst.addOperand(MCOperand::CreateImm(" << Val << "));\n" 1873c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n"; 1874c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 187562316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier OpOS << " case " << Name << ":\n" 18766e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier << " Operands[*(p + 1)]->setMCOperandNum(NumMCOperands);\n" 18776e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier << " Operands[*(p + 1)]->setConstraint(\"\");\n" 187822685876ed7231f32f7d1698c00acab22825b74cChad Rosier << " ++NumMCOperands;\n" 187962316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n"; 188098c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner break; 188198c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner } 188290fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner case MatchableInfo::ResOperand::RegOperand: { 1883c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Reg, Name; 1884dc1a2bd3aa199693413f39dd723cc14a77e9f131Bob Wilson if (OpInfo.Register == 0) { 1885c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Name = "reg0"; 1886c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Reg = "0"; 1887dc1a2bd3aa199693413f39dd723cc14a77e9f131Bob Wilson } else { 1888c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Reg = getQualifiedName(OpInfo.Register); 1889c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Name = "reg" + OpInfo.Register->getName(); 1890dc1a2bd3aa199693413f39dd723cc14a77e9f131Bob Wilson } 1891c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Signature += "__" + Name; 1892c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Name = "CVT_" + Name; 1893c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach bool IsNewConverter = false; 1894c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned ID = getConverterOperandID(Name, OperandConversionKinds, 1895c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach IsNewConverter); 1896c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the operand entry to the instruction kind conversion row. 1897c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(ID); 1898c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(0); 1899c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1900c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!IsNewConverter) 1901c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach break; 1902c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach CvtOS << " case " << Name << ":\n" 1903c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " Inst.addOperand(MCOperand::CreateReg(" << Reg << "));\n" 1904c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n"; 190562316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier 190662316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier OpOS << " case " << Name << ":\n" 19076e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier << " Operands[*(p + 1)]->setMCOperandNum(NumMCOperands);\n" 19086e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier << " Operands[*(p + 1)]->setConstraint(\"m\");\n" 190922685876ed7231f32f7d1698c00acab22825b74cChad Rosier << " ++NumMCOperands;\n" 191062316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n"; 1911828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson } 1912af61681cedb42a0e9f84560316d74f4ddeb2d2b6Daniel Dunbar } 19139b0d4bfca0f23d39f5f2aef6b6740267a26ee17cChris Lattner } 1914828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1915c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // If there were no operands, add to the signature to that effect 1916c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (Signature == "Convert") 1917c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Signature += "_NoOperands"; 1918c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1919b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar II.ConversionFnKind = Signature; 1920a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 1921c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Save the signature. If we already have it, don't add a new row 1922c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // to the table. 1923c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!InstructionConversionKinds.insert(Signature)) 192420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar continue; 1925a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 1926c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the row to the table. 1927c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionTable.push_back(ConversionRow); 1928a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar } 1929b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar 1930c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Finish up the converter driver function. 1931ad2d3e637a3a9eb368e71a1672331ee5e7809fe8Chad Rosier CvtOS << " }\n }\n}\n\n"; 1932b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar 193362316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // Finish up the operand number lookup function. 193422685876ed7231f32f7d1698c00acab22825b74cChad Rosier OpOS << " }\n }\n}\n\n"; 193562316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier 1936c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "namespace {\n"; 1937b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar 1938c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Output the operand conversion kind enum. 1939c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "enum OperatorConversionKind {\n"; 1940c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach for (unsigned i = 0, e = OperandConversionKinds.size(); i != e; ++i) 1941c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " " << OperandConversionKinds[i] << ",\n"; 1942c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " CVT_NUM_CONVERTERS\n"; 1943c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "};\n\n"; 1944b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar 1945c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Output the instruction conversion kind enum. 1946c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "enum InstructionConversionKind {\n"; 1947c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach for (SetVector<std::string>::const_iterator 1948c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach i = InstructionConversionKinds.begin(), 1949c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach e = InstructionConversionKinds.end(); i != e; ++i) 1950c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " " << *i << ",\n"; 1951c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " CVT_NUM_SIGNATURES\n"; 1952b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar OS << "};\n\n"; 1953a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 1954c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1955c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "} // end anonymous namespace\n\n"; 1956c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1957c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Output the conversion table. 1958b198f5c8979d46d75a08c1710a160f8e102b9ba8Craig Topper OS << "static const uint8_t ConversionTable[CVT_NUM_SIGNATURES][" 1959c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << MaxRowLength << "] = {\n"; 1960c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1961c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach for (unsigned Row = 0, ERow = ConversionTable.size(); Row != ERow; ++Row) { 1962c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach assert(ConversionTable[Row].size() % 2 == 0 && "bad conversion row!"); 1963c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " // " << InstructionConversionKinds[Row] << "\n"; 1964c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " { "; 1965c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach for (unsigned i = 0, e = ConversionTable[Row].size(); i != e; i += 2) 1966c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << OperandConversionKinds[ConversionTable[Row][i]] << ", " 1967c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << (unsigned)(ConversionTable[Row][i + 1]) << ", "; 1968c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "CVT_Done },\n"; 1969c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach } 1970c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1971c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "};\n\n"; 1972c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1973c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Spit out the conversion driver function. 1974b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar OS << CvtOS.str(); 1975c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 197662316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // Spit out the operand number lookup function. 197762316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier OS << OpOS.str(); 197820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar} 197920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 19808caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitMatchClassEnumeration - Emit the enumeration for match class kinds. 19818caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitMatchClassEnumeration(CodeGenTarget &Target, 1982a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::vector<ClassInfo*> &Infos, 1983a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar raw_ostream &OS) { 1984a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "namespace {\n\n"; 1985a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 1986a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "/// MatchClassKind - The kinds of classes which participate in\n" 1987a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar << "/// instruction matching.\n"; 1988a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "enum MatchClassKind {\n"; 1989a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " InvalidMatchClass = 0,\n"; 1990a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<ClassInfo*>::iterator it = Infos.begin(), 1991a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ie = Infos.end(); it != ie; ++it) { 1992a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ClassInfo &CI = **it; 1993a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " " << CI.Name << ", // "; 1994a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar if (CI.Kind == ClassInfo::Token) { 1995a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "'" << CI.ValueName << "'\n"; 1996ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } else if (CI.isRegisterClass()) { 1997a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar if (!CI.ValueName.empty()) 1998a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "register class '" << CI.ValueName << "'\n"; 1999a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar else 2000a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "derived register class\n"; 2001a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } else { 2002a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "user defined class '" << CI.ValueName << "'\n"; 2003a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 2004a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 2005a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " NumMatchClassKinds\n"; 2006a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "};\n\n"; 2007a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 2008a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "}\n\n"; 2009a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar} 2010a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 20118caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitValidateOperandClass - Emit the function to validate an operand class. 20128caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitValidateOperandClass(AsmMatcherInfo &Info, 2013b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach raw_ostream &OS) { 20144dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "static unsigned validateOperandClass(MCParsedAsmOperand *GOp, " 2015b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach << "MatchClassKind Kind) {\n"; 2016b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " " << Info.Target.getName() << "Operand &Operand = *(" 201702bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner << Info.Target.getName() << "Operand*)GOp;\n"; 2018ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 2019893818347e9d7b34ea99ae9c984934c9b6bf92daKevin Enderby // The InvalidMatchClass is not to match any operand. 2020893818347e9d7b34ea99ae9c984934c9b6bf92daKevin Enderby OS << " if (Kind == InvalidMatchClass)\n"; 20214dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return MCTargetAsmParser::Match_InvalidOperand;\n\n"; 2022893818347e9d7b34ea99ae9c984934c9b6bf92daKevin Enderby 2023b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach // Check for Token operands first. 20244dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // FIXME: Use a more specific diagnostic type. 2025a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " if (Operand.isToken())\n"; 20264dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return isSubclass(matchTokenString(Operand.getToken()), Kind) ?\n" 20274dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach << " MCTargetAsmParser::Match_Success :\n" 20284dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach << " MCTargetAsmParser::Match_InvalidOperand;\n\n"; 2029ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 2030b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach // Check the user classes. We don't care what order since we're only 2031b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach // actually matching against one of them. 2032a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<ClassInfo*>::iterator it = Info.Classes.begin(), 2033ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = Info.Classes.end(); it != ie; ++it) { 2034a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ClassInfo &CI = **it; 2035a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 2036ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!CI.isUserClass()) 2037ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar continue; 2038828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2039b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " // '" << CI.ClassName << "' class\n"; 20404dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " if (Kind == " << CI.Name << ") {\n"; 20414dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " if (Operand." << CI.PredicateMethod << "())\n"; 20424dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return MCTargetAsmParser::Match_Success;\n"; 20434dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach if (!CI.DiagnosticType.empty()) 20444dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return " << Info.Target.getName() << "AsmParser::Match_" 20454dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach << CI.DiagnosticType << ";\n"; 2046ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar OS << " }\n\n"; 2047a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 2048828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2049b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson // Check for register operands, including sub-classes. 2050b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " if (Operand.isReg()) {\n"; 2051b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " MatchClassKind OpKind;\n"; 2052b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " switch (Operand.getReg()) {\n"; 2053b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " default: OpKind = InvalidMatchClass; break;\n"; 2054decfdf548b43c80c3dd81ff1cc3639b80ed33a3eSean Silva for (AsmMatcherInfo::RegisterClassesTy::iterator 2055b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson it = Info.RegisterClasses.begin(), ie = Info.RegisterClasses.end(); 2056b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson it != ie; ++it) 2057b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " case " << Info.Target.getName() << "::" 2058b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson << it->first->getName() << ": OpKind = " << it->second->Name 2059b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson << "; break;\n"; 2060b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " }\n"; 2061b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " return isSubclass(OpKind, Kind) ? " 2062b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson << "MCTargetAsmParser::Match_Success :\n " 2063b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson << " MCTargetAsmParser::Match_InvalidOperand;\n }\n\n"; 2064b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson 20654dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Generic fallthrough match failure case for operands that don't have 20664dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // specialized diagnostic types. 20674dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return MCTargetAsmParser::Match_InvalidOperand;\n"; 2068a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "}\n\n"; 2069a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar} 2070a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 20718caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitIsSubclass - Emit the subclass predicate function. 20728caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitIsSubclass(CodeGenTarget &Target, 2073fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar std::vector<ClassInfo*> &Infos, 2074fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar raw_ostream &OS) { 20754e0ae44b3a1b5f7157351764fd125c7c85959797Dmitri Gribenko OS << "/// isSubclass - Compute whether \\p A is a subclass of \\p B.\n"; 20763d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "static bool isSubclass(MatchClassKind A, MatchClassKind B) {\n"; 2077fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " if (A == B)\n"; 2078fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " return true;\n\n"; 2079fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2080fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " switch (A) {\n"; 2081fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " default:\n"; 2082fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " return false;\n"; 2083a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<ClassInfo*>::iterator it = Infos.begin(), 2084fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar ie = Infos.end(); it != ie; ++it) { 2085fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar ClassInfo &A = **it; 2086fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2087a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach std::vector<StringRef> SuperClasses; 2088a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach for (std::vector<ClassInfo*>::iterator it = Infos.begin(), 2089a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach ie = Infos.end(); it != ie; ++it) { 2090a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach ClassInfo &B = **it; 2091fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2092a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach if (&A != &B && A.isSubsetOf(B)) 2093a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach SuperClasses.push_back(B.Name); 2094a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach } 2095fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2096a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach if (SuperClasses.empty()) 2097a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach continue; 2098fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2099a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << "\n case " << A.Name << ":\n"; 2100fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2101a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach if (SuperClasses.size() == 1) { 2102a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " return B == " << SuperClasses.back() << ";\n"; 2103a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach continue; 2104fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar } 2105a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach 2106a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " switch (B) {\n"; 2107a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " default: return false;\n"; 2108a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i) 2109a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " case " << SuperClasses[i] << ": return true;\n"; 2110a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " }\n"; 2111fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar } 2112fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " }\n"; 2113fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << "}\n\n"; 2114fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar} 2115fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 21168caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitMatchTokenString - Emit the function to match a token string to the 2117245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar/// appropriate match class value. 21188caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitMatchTokenString(CodeGenTarget &Target, 2119245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar std::vector<ClassInfo*> &Infos, 2120245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar raw_ostream &OS) { 2121245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar // Construct the match list. 21225845e5c62b42d025557765006515156691a6a8b1Chris Lattner std::vector<StringMatcher::StringPair> Matches; 2123a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<ClassInfo*>::iterator it = Infos.begin(), 2124245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar ie = Infos.end(); it != ie; ++it) { 2125245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar ClassInfo &CI = **it; 2126245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 2127245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar if (CI.Kind == ClassInfo::Token) 21285845e5c62b42d025557765006515156691a6a8b1Chris Lattner Matches.push_back(StringMatcher::StringPair(CI.ValueName, 21295845e5c62b42d025557765006515156691a6a8b1Chris Lattner "return " + CI.Name + ";")); 2130245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar } 2131245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 21323d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "static MatchClassKind matchTokenString(StringRef Name) {\n"; 2133245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 21345845e5c62b42d025557765006515156691a6a8b1Chris Lattner StringMatcher("Name", Matches, OS).Emit(); 2135245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 2136245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar OS << " return InvalidMatchClass;\n"; 2137245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar OS << "}\n\n"; 2138245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar} 213970add884e4967f511e2cbb35c61534186b9b418aChris Lattner 21408caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitMatchRegisterName - Emit the function to match a string to the target 21412234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar/// specific register enum. 21428caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitMatchRegisterName(CodeGenTarget &Target, Record *AsmParser, 21432234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar raw_ostream &OS) { 2144245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar // Construct the match list. 21455845e5c62b42d025557765006515156691a6a8b1Chris Lattner std::vector<StringMatcher::StringPair> Matches; 2146abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen const std::vector<CodeGenRegister*> &Regs = 2147abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen Target.getRegBank().getRegisters(); 2148abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen for (unsigned i = 0, e = Regs.size(); i != e; ++i) { 2149abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen const CodeGenRegister *Reg = Regs[i]; 2150abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen if (Reg->TheDef->getValueAsString("AsmName").empty()) 215120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar continue; 215220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 21535845e5c62b42d025557765006515156691a6a8b1Chris Lattner Matches.push_back(StringMatcher::StringPair( 2154abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen Reg->TheDef->getValueAsString("AsmName"), 2155abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen "return " + utostr(Reg->EnumValue) + ";")); 215620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar } 2157a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2158b8d6e98e566724f58344d275a4bd675249bb713aChris Lattner OS << "static unsigned MatchRegisterName(StringRef Name) {\n"; 2159245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 21605845e5c62b42d025557765006515156691a6a8b1Chris Lattner StringMatcher("Name", Matches, OS).Emit(); 2161a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2162245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar OS << " return 0;\n"; 216320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar OS << "}\n\n"; 21642234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar} 21652234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar 21668caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitSubtargetFeatureFlagEnumeration - Emit the subtarget feature flag 216754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar/// definitions. 21688caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitSubtargetFeatureFlagEnumeration(AsmMatcherInfo &Info, 216954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar raw_ostream &OS) { 217054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "// Flags for subtarget features that participate in " 217154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar << "instruction matching.\n"; 217254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "enum SubtargetFeatureFlag {\n"; 217354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar for (std::map<Record*, SubtargetFeatureInfo*>::const_iterator 217454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar it = Info.SubtargetFeatures.begin(), 217554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar ie = Info.SubtargetFeatures.end(); it != ie; ++it) { 217654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar SubtargetFeatureInfo &SFI = *it->second; 21770aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner OS << " " << SFI.getEnumName() << " = (1 << " << SFI.Index << "),\n"; 217854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar } 217954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " Feature_None = 0\n"; 218054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "};\n\n"; 218154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar} 218254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 21834dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach/// emitOperandDiagnosticTypes - Emit the operand matching diagnostic types. 21844dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbachstatic void emitOperandDiagnosticTypes(AsmMatcherInfo &Info, raw_ostream &OS) { 21854dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Get the set of diagnostic types from all of the operand classes. 21864dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach std::set<StringRef> Types; 21874dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach for (std::map<Record*, ClassInfo*>::const_iterator 21884dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach I = Info.AsmOperandClasses.begin(), 21894dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach E = Info.AsmOperandClasses.end(); I != E; ++I) { 21904dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach if (!I->second->DiagnosticType.empty()) 21914dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach Types.insert(I->second->DiagnosticType); 21924dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach } 21934dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 21944dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach if (Types.empty()) return; 21954dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 21964dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Now emit the enum entries. 21974dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach for (std::set<StringRef>::const_iterator I = Types.begin(), E = Types.end(); 21984dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach I != E; ++I) 21994dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " Match_" << *I << ",\n"; 22004dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " END_OPERAND_DIAGNOSTIC_TYPES\n"; 22014dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach} 22024dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 220314ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach/// emitGetSubtargetFeatureName - Emit the helper function to get the 220414ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach/// user-level name for a subtarget feature. 220514ce6fac242228dacc5c08040e544141a96880e5Jim Grosbachstatic void emitGetSubtargetFeatureName(AsmMatcherInfo &Info, raw_ostream &OS) { 220614ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach OS << "// User-level names for subtarget features that participate in\n" 220714ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach << "// instruction matching.\n" 220814ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach << "static const char *getSubtargetFeatureName(unsigned Val) {\n" 220914ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach << " switch(Val) {\n"; 221014ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach for (std::map<Record*, SubtargetFeatureInfo*>::const_iterator 221114ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach it = Info.SubtargetFeatures.begin(), 221214ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach ie = Info.SubtargetFeatures.end(); it != ie; ++it) { 221314ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach SubtargetFeatureInfo &SFI = *it->second; 221414ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach // FIXME: Totally just a placeholder name to get the algorithm working. 221514ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach OS << " case " << SFI.getEnumName() << ": return \"" 221614ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach << SFI.TheDef->getValueAsString("PredicateName") << "\";\n"; 221714ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach } 221814ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach OS << " default: return \"(unknown)\";\n"; 221914ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach OS << " }\n}\n\n"; 222014ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach} 222114ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach 22228caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitComputeAvailableFeatures - Emit the function to compute the list of 222354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar/// available features given a subtarget. 22248caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitComputeAvailableFeatures(AsmMatcherInfo &Info, 222554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar raw_ostream &OS) { 222654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar std::string ClassName = 222754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar Info.AsmParser->getValueAsString("AsmParserClassName"); 222854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 222902bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner OS << "unsigned " << Info.Target.getName() << ClassName << "::\n" 2230ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng << "ComputeAvailableFeatures(uint64_t FB) const {\n"; 223154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " unsigned Features = 0;\n"; 223254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar for (std::map<Record*, SubtargetFeatureInfo*>::const_iterator 223354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar it = Info.SubtargetFeatures.begin(), 223454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar ie = Info.SubtargetFeatures.end(); it != ie; ++it) { 223554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar SubtargetFeatureInfo &SFI = *it->second; 2236ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2237ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " if ("; 223865da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach std::string CondStorage = 223965da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach SFI.TheDef->getValueAsString("AssemblerCondString"); 2240fbc38d2c16bc2fb923efdbbd6035ec8233fb4856Evan Cheng StringRef Conds = CondStorage; 2241ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng std::pair<StringRef,StringRef> Comma = Conds.split(','); 2242ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng bool First = true; 2243ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng do { 2244ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng if (!First) 2245ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " && "; 2246ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2247ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng bool Neg = false; 2248ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng StringRef Cond = Comma.first; 2249ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng if (Cond[0] == '!') { 2250ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng Neg = true; 2251ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng Cond = Cond.substr(1); 2252ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng } 2253ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2254ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "((FB & " << Info.Target.getName() << "::" << Cond << ")"; 2255ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng if (Neg) 2256ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " == 0"; 2257ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng else 2258ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " != 0"; 2259ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << ")"; 2260ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2261ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng if (Comma.second.empty()) 2262ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng break; 2263ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2264ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng First = false; 2265ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng Comma = Comma.second.split(','); 2266ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng } while (true); 2267ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2268ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << ")\n"; 22690aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner OS << " Features |= " << SFI.getEnumName() << ";\n"; 227054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar } 227154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " return Features;\n"; 227254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "}\n\n"; 227354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar} 227454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 22756fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattnerstatic std::string GetAliasRequiredFeatures(Record *R, 22766fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner const AsmMatcherInfo &Info) { 2277693173feefaa326fad0e386470846fb3199ba381Chris Lattner std::vector<Record*> ReqFeatures = R->getValueAsListOfDefs("Predicates"); 2278693173feefaa326fad0e386470846fb3199ba381Chris Lattner std::string Result; 2279693173feefaa326fad0e386470846fb3199ba381Chris Lattner unsigned NumFeatures = 0; 2280693173feefaa326fad0e386470846fb3199ba381Chris Lattner for (unsigned i = 0, e = ReqFeatures.size(); i != e; ++i) { 22814a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner SubtargetFeatureInfo *F = Info.getSubtargetFeature(ReqFeatures[i]); 2282828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 22834a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner if (F == 0) 228461131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(R->getLoc(), "Predicate '" + ReqFeatures[i]->getName() + 22854a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner "' is not marked as an AssemblerPredicate!"); 2286828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 22874a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner if (NumFeatures) 22884a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner Result += '|'; 2289828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 22904a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner Result += F->getEnumName(); 22914a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner ++NumFeatures; 2292693173feefaa326fad0e386470846fb3199ba381Chris Lattner } 2293828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2294693173feefaa326fad0e386470846fb3199ba381Chris Lattner if (NumFeatures > 1) 2295693173feefaa326fad0e386470846fb3199ba381Chris Lattner Result = '(' + Result + ')'; 2296693173feefaa326fad0e386470846fb3199ba381Chris Lattner return Result; 2297693173feefaa326fad0e386470846fb3199ba381Chris Lattner} 2298693173feefaa326fad0e386470846fb3199ba381Chris Lattner 22998caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitMnemonicAliases - If the target has any MnemonicAlias<> definitions, 23007fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner/// emit a function for them and return true, otherwise return false. 23018caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic bool emitMnemonicAliases(raw_ostream &OS, const AsmMatcherInfo &Info) { 2302c0a7007d3a6a7bb31eec568b9dfdb8fb137702e5Daniel Dunbar // Ignore aliases when match-prefix is set. 2303c0a7007d3a6a7bb31eec568b9dfdb8fb137702e5Daniel Dunbar if (!MatchPrefix.empty()) 2304c0a7007d3a6a7bb31eec568b9dfdb8fb137702e5Daniel Dunbar return false; 2305c0a7007d3a6a7bb31eec568b9dfdb8fb137702e5Daniel Dunbar 2306674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner std::vector<Record*> Aliases = 230767db883487fca3472fdde51e931657e22d4d0495Chris Lattner Info.getRecords().getAllDerivedDefinitions("MnemonicAlias"); 23087fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner if (Aliases.empty()) return false; 2309674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner 23103d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "static void applyMnemonicAliases(StringRef &Mnemonic, " 23118cc0a6b788a17b3afc779e9da90f5203c8b78436Chris Lattner "unsigned Features) {\n"; 2312828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 23134fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner // Keep track of all the aliases from a mnemonic. Use an std::map so that the 23144fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner // iteration order of the map is stable. 23154fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner std::map<std::string, std::vector<Record*> > AliasesFromMnemonic; 2316828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2317674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner for (unsigned i = 0, e = Aliases.size(); i != e; ++i) { 2318674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner Record *R = Aliases[i]; 23194fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner AliasesFromMnemonic[R->getValueAsString("FromMnemonic")].push_back(R); 23204fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner } 23214fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner 23224fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner // Process each alias a "from" mnemonic at a time, building the code executed 23234fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner // by the string remapper. 23244fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner std::vector<StringMatcher::StringPair> Cases; 23254fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner for (std::map<std::string, std::vector<Record*> >::iterator 23264fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner I = AliasesFromMnemonic.begin(), E = AliasesFromMnemonic.end(); 23274fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner I != E; ++I) { 23284fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner const std::vector<Record*> &ToVec = I->second; 2329693173feefaa326fad0e386470846fb3199ba381Chris Lattner 2330693173feefaa326fad0e386470846fb3199ba381Chris Lattner // Loop through each alias and emit code that handles each case. If there 2331693173feefaa326fad0e386470846fb3199ba381Chris Lattner // are two instructions without predicates, emit an error. If there is one, 2332693173feefaa326fad0e386470846fb3199ba381Chris Lattner // emit it last. 2333693173feefaa326fad0e386470846fb3199ba381Chris Lattner std::string MatchCode; 2334693173feefaa326fad0e386470846fb3199ba381Chris Lattner int AliasWithNoPredicate = -1; 2335828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2336693173feefaa326fad0e386470846fb3199ba381Chris Lattner for (unsigned i = 0, e = ToVec.size(); i != e; ++i) { 2337693173feefaa326fad0e386470846fb3199ba381Chris Lattner Record *R = ToVec[i]; 23386fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner std::string FeatureMask = GetAliasRequiredFeatures(R, Info); 2339828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2340693173feefaa326fad0e386470846fb3199ba381Chris Lattner // If this unconditionally matches, remember it for later and diagnose 2341693173feefaa326fad0e386470846fb3199ba381Chris Lattner // duplicates. 2342693173feefaa326fad0e386470846fb3199ba381Chris Lattner if (FeatureMask.empty()) { 2343693173feefaa326fad0e386470846fb3199ba381Chris Lattner if (AliasWithNoPredicate != -1) { 2344693173feefaa326fad0e386470846fb3199ba381Chris Lattner // We can't have two aliases from the same mnemonic with no predicate. 2345693173feefaa326fad0e386470846fb3199ba381Chris Lattner PrintError(ToVec[AliasWithNoPredicate]->getLoc(), 2346693173feefaa326fad0e386470846fb3199ba381Chris Lattner "two MnemonicAliases with the same 'from' mnemonic!"); 234761131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(R->getLoc(), "this is the other MnemonicAlias."); 2348693173feefaa326fad0e386470846fb3199ba381Chris Lattner } 2349828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2350693173feefaa326fad0e386470846fb3199ba381Chris Lattner AliasWithNoPredicate = i; 2351693173feefaa326fad0e386470846fb3199ba381Chris Lattner continue; 2352693173feefaa326fad0e386470846fb3199ba381Chris Lattner } 23536ef6ceda6883d0ee543d8da86d16b0fcdcecab96Joerg Sonnenberger if (R->getValueAsString("ToMnemonic") == I->first) 235461131ab15fd593a2e295d79fe2714e7bc21f2ec8Joerg Sonnenberger PrintFatalError(R->getLoc(), "MnemonicAlias to the same string"); 2355828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 23568cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner if (!MatchCode.empty()) 23578cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner MatchCode += "else "; 2358693173feefaa326fad0e386470846fb3199ba381Chris Lattner MatchCode += "if ((Features & " + FeatureMask + ") == "+FeatureMask+")\n"; 2359693173feefaa326fad0e386470846fb3199ba381Chris Lattner MatchCode += " Mnemonic = \"" +R->getValueAsString("ToMnemonic")+"\";\n"; 2360693173feefaa326fad0e386470846fb3199ba381Chris Lattner } 2361828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2362693173feefaa326fad0e386470846fb3199ba381Chris Lattner if (AliasWithNoPredicate != -1) { 2363693173feefaa326fad0e386470846fb3199ba381Chris Lattner Record *R = ToVec[AliasWithNoPredicate]; 23648cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner if (!MatchCode.empty()) 23658cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner MatchCode += "else\n "; 23668cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner MatchCode += "Mnemonic = \"" + R->getValueAsString("ToMnemonic")+"\";\n"; 23674fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner } 2368828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2369693173feefaa326fad0e386470846fb3199ba381Chris Lattner MatchCode += "return;"; 2370693173feefaa326fad0e386470846fb3199ba381Chris Lattner 2371693173feefaa326fad0e386470846fb3199ba381Chris Lattner Cases.push_back(std::make_pair(I->first, MatchCode)); 2372674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner } 2373828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2374674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner StringMatcher("Mnemonic", Cases, OS).Emit(); 237555b5e85643b189636758188f11b598c45178407fDaniel Dunbar OS << "}\n\n"; 2376828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 23777fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner return true; 2378674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner} 2379674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner 2380194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbachstatic const char *getMinimalTypeForRange(uint64_t Range) { 2381194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach assert(Range < 0xFFFFFFFFULL && "Enum too large"); 2382194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach if (Range > 0xFFFF) 2383194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach return "uint32_t"; 2384194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach if (Range > 0xFF) 2385194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach return "uint16_t"; 2386194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach return "uint8_t"; 2387194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach} 2388194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach 23898caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitCustomOperandParsing(raw_ostream &OS, CodeGenTarget &Target, 23903a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper const AsmMatcherInfo &Info, StringRef ClassName, 23913a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper StringToOffsetTable &StringTable, 23923a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper unsigned MaxMnemonicIndex) { 23933a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper unsigned MaxMask = 0; 23943a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper for (std::vector<OperandMatchEntry>::const_iterator it = 23953a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper Info.OperandMatchInfo.begin(), ie = Info.OperandMatchInfo.end(); 23963a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper it != ie; ++it) { 23973a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper MaxMask |= it->OperandMask; 23983a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper } 23993a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper 2400e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit the static custom operand parsing table; 2401e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "namespace {\n"; 2402e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " struct OperandMatchEntry {\n"; 2403b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " " << getMinimalTypeForRange(1ULL << Info.SubtargetFeatures.size()) 2404fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << " RequiredFeatures;\n"; 24053a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << " " << getMinimalTypeForRange(MaxMnemonicIndex) 24063a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper << " Mnemonic;\n"; 2407fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " " << getMinimalTypeForRange(Info.Classes.size()) 24083a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper << " Class;\n"; 24093a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << " " << getMinimalTypeForRange(MaxMask) 24103a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper << " OperandMask;\n\n"; 2411b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " StringRef getMnemonic() const {\n"; 2412b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " return StringRef(MnemonicTable + Mnemonic + 1,\n"; 2413b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " MnemonicTable[Mnemonic]);\n"; 2414b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " }\n"; 2415e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " };\n\n"; 2416e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2417e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Predicate for searching for an opcode.\n"; 2418e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " struct LessOpcodeOperand {\n"; 2419e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " bool operator()(const OperandMatchEntry &LHS, StringRef RHS) {\n"; 2420b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " return LHS.getMnemonic() < RHS;\n"; 2421e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n"; 2422e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " bool operator()(StringRef LHS, const OperandMatchEntry &RHS) {\n"; 2423b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " return LHS < RHS.getMnemonic();\n"; 2424e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n"; 2425e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " bool operator()(const OperandMatchEntry &LHS,"; 2426e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " const OperandMatchEntry &RHS) {\n"; 2427b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " return LHS.getMnemonic() < RHS.getMnemonic();\n"; 2428e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n"; 2429e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " };\n"; 2430e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2431e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "} // end anonymous namespace.\n\n"; 2432e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2433e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "static const OperandMatchEntry OperandMatchTable[" 2434e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << Info.OperandMatchInfo.size() << "] = {\n"; 2435e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2436b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " /* Operand List Mask, Mnemonic, Operand Class, Features */\n"; 2437e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (std::vector<OperandMatchEntry>::const_iterator it = 2438e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes Info.OperandMatchInfo.begin(), ie = Info.OperandMatchInfo.end(); 2439e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes it != ie; ++it) { 2440e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes const OperandMatchEntry &OMI = *it; 2441e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes const MatchableInfo &II = *OMI.MI; 2442e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 24433a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << " { "; 24443a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper 24453a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper // Write the required features mask. 24463a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper if (!II.RequiredFeatures.empty()) { 24473a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper for (unsigned i = 0, e = II.RequiredFeatures.size(); i != e; ++i) { 24483a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper if (i) OS << "|"; 24493a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << II.RequiredFeatures[i]->getEnumName(); 24503a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper } 24513a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper } else 24523a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << "0"; 24533a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper 24543a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper // Store a pascal-style length byte in the mnemonic. 24553a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper std::string LenMnemonic = char(II.Mnemonic.size()) + II.Mnemonic.str(); 24563a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << ", " << StringTable.GetOrAddStringOffset(LenMnemonic, false) 24573a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper << " /* " << II.Mnemonic << " */, "; 24583a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper 24593a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << OMI.CI->Name; 2460e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 24613a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << ", " << OMI.OperandMask; 2462e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " /* "; 2463e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes bool printComma = false; 2464e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (int i = 0, e = 31; i !=e; ++i) 2465e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (OMI.OperandMask & (1 << i)) { 2466e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (printComma) 2467e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << ", "; 2468e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << i; 2469e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes printComma = true; 2470e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2471e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " */"; 2472e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2473e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " },\n"; 2474e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2475e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "};\n\n"; 2476e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2477e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit the operand class switch to call the correct custom parser for 2478e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // the found operand class. 2479f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << Target.getName() << ClassName << "::OperandMatchResultTy " 2480f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach << Target.getName() << ClassName << "::\n" 24813d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach << "tryCustomParseOperand(SmallVectorImpl<MCParsedAsmOperand*>" 2482e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " &Operands,\n unsigned MCK) {\n\n" 2483e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " switch(MCK) {\n"; 2484e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2485e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (std::vector<ClassInfo*>::const_iterator it = Info.Classes.begin(), 2486e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes ie = Info.Classes.end(); it != ie; ++it) { 2487e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes ClassInfo *CI = *it; 2488e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (CI->ParserMethod.empty()) 2489e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes continue; 2490e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " case " << CI->Name << ":\n" 2491e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " return " << CI->ParserMethod << "(Operands);\n"; 2492e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2493e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2494e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " default:\n"; 2495f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return MatchOperand_NoMatch;\n"; 2496e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n"; 2497f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return MatchOperand_NoMatch;\n"; 2498e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "}\n\n"; 2499e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2500e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit the static custom operand parser. This code is very similar with 2501e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // the other matcher. Also use MatchResultTy here just in case we go for 2502e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // a better error handling. 2503f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << Target.getName() << ClassName << "::OperandMatchResultTy " 2504e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << Target.getName() << ClassName << "::\n" 2505e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << "MatchOperandParserImpl(SmallVectorImpl<MCParsedAsmOperand*>" 2506e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " &Operands,\n StringRef Mnemonic) {\n"; 2507e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2508e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit code to get the available features. 2509e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Get the current feature set.\n"; 2510e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " unsigned AvailableFeatures = getAvailableFeatures();\n\n"; 2511e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2512e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Get the next operand index.\n"; 2513e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " unsigned NextOpNum = Operands.size()-1;\n"; 2514e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2515e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit code to search the table. 2516e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Search the table.\n"; 2517e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " std::pair<const OperandMatchEntry*, const OperandMatchEntry*>"; 2518e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " MnemonicRange =\n"; 2519e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " std::equal_range(OperandMatchTable, OperandMatchTable+" 2520e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << Info.OperandMatchInfo.size() << ", Mnemonic,\n" 2521e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " LessOpcodeOperand());\n\n"; 2522e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2523e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " if (MnemonicRange.first == MnemonicRange.second)\n"; 2524f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return MatchOperand_NoMatch;\n\n"; 2525e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2526e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " for (const OperandMatchEntry *it = MnemonicRange.first,\n" 2527e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " *ie = MnemonicRange.second; it != ie; ++it) {\n"; 2528e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2529e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // equal_range guarantees that instruction mnemonic matches.\n"; 2530b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " assert(Mnemonic == it->getMnemonic());\n\n"; 2531e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2532e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit check that the required features are available. 2533e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // check if the available features match\n"; 2534e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " if ((AvailableFeatures & it->RequiredFeatures) " 2535e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << "!= it->RequiredFeatures) {\n"; 2536e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " continue;\n"; 2537e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n\n"; 2538e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2539e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit check to ensure the operand number matches. 2540e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // check if the operand in question has a custom parser.\n"; 2541e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " if (!(it->OperandMask & (1 << NextOpNum)))\n"; 2542e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " continue;\n\n"; 2543e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2544e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit call to the custom parser method 2545e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // call custom parse method to handle the operand\n"; 2546f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " OperandMatchResultTy Result = "; 25473d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "tryCustomParseOperand(Operands, it->Class);\n"; 2548f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " if (Result != MatchOperand_NoMatch)\n"; 2549f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return Result;\n"; 2550e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n\n"; 2551e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2552f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " // Okay, we had no match.\n"; 2553f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return MatchOperand_NoMatch;\n"; 2554e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "}\n\n"; 2555e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes} 2556e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 25572234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbarvoid AsmMatcherEmitter::run(raw_ostream &OS) { 255867db883487fca3472fdde51e931657e22d4d0495Chris Lattner CodeGenTarget Target(Records); 25592234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar Record *AsmParser = Target.getAsmParser(); 25602234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar std::string ClassName = AsmParser->getValueAsString("AsmParserClassName"); 25612234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar 2562a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Compute the information on the instructions to match. 256367db883487fca3472fdde51e931657e22d4d0495Chris Lattner AsmMatcherInfo Info(AsmParser, Target, Records); 25648caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach Info.buildInfo(); 256520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 2566e1f6de3fbd892ea3f918a26912660cf316866fc1Daniel Dunbar // Sort the instruction table using the partial order on classes. We use 2567e1f6de3fbd892ea3f918a26912660cf316866fc1Daniel Dunbar // stable_sort to ensure that ambiguous instructions are still 2568e1f6de3fbd892ea3f918a26912660cf316866fc1Daniel Dunbar // deterministically ordered. 256922bc5c4184a497353e33195dd12541a4f08b008aChris Lattner std::stable_sort(Info.Matchables.begin(), Info.Matchables.end(), 257022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner less_ptr<MatchableInfo>()); 2571a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2572b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar DEBUG_WITH_TYPE("instruction_info", { 257322bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::iterator 257422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner it = Info.Matchables.begin(), ie = Info.Matchables.end(); 2575a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar it != ie; ++it) 257620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar (*it)->dump(); 257720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar }); 257820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 257922bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Check for ambiguous matchables. 2580fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner DEBUG_WITH_TYPE("ambiguous_instrs", { 2581fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner unsigned NumAmbiguous = 0; 258222bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (unsigned i = 0, e = Info.Matchables.size(); i != e; ++i) { 258387410368e1bd50408e787f6ece0e58d94c53c1e1Chris Lattner for (unsigned j = i + 1; j != e; ++j) { 258422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo &A = *Info.Matchables[i]; 258522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo &B = *Info.Matchables[j]; 2586a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 25878caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach if (A.couldMatchAmbiguouslyWith(B)) { 258822bc5c4184a497353e33195dd12541a4f08b008aChris Lattner errs() << "warning: ambiguous matchables:\n"; 2589fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner A.dump(); 2590fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner errs() << "\nis incomparable with:\n"; 2591fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner B.dump(); 2592fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner errs() << "\n\n"; 259387410368e1bd50408e787f6ece0e58d94c53c1e1Chris Lattner ++NumAmbiguous; 259487410368e1bd50408e787f6ece0e58d94c53c1e1Chris Lattner } 25952b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar } 2596606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar } 259787410368e1bd50408e787f6ece0e58d94c53c1e1Chris Lattner if (NumAmbiguous) 2598a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach errs() << "warning: " << NumAmbiguous 259922bc5c4184a497353e33195dd12541a4f08b008aChris Lattner << " ambiguous matchables!\n"; 2600fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner }); 2601606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 2602e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Compute the information on the custom operand parsing. 26038caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach Info.buildOperandMatchInfo(); 2604e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 26051095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Write the output. 26061095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 26070692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner // Information for the class declaration. 26080692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "\n#ifdef GET_ASSEMBLER_HEADER\n"; 26090692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#undef GET_ASSEMBLER_HEADER\n"; 261084cb033bf30b6f93ae2fbea71513970147e08dc2Jim Grosbach OS << " // This should be included into the middle of the declaration of\n"; 261194b9550a32d189704a8eae55505edf62662c0534Evan Cheng OS << " // your subclasses implementation of MCTargetAsmParser.\n"; 2612ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " unsigned ComputeAvailableFeatures(uint64_t FeatureBits) const;\n"; 261390e11f8c95146c2d3718e9b3de71ee6628347b05Chad Rosier OS << " void convertToMCInst(unsigned Kind, MCInst &Inst, " 26145c228a945fe3e25a12d0f7e2e9b26b548d6f29f5Daniel Dunbar << "unsigned Opcode,\n" 2615c69bb70deb5b596941bb1de180d1554f9a411062Chad Rosier << " const SmallVectorImpl<MCParsedAsmOperand*> " 26165c228a945fe3e25a12d0f7e2e9b26b548d6f29f5Daniel Dunbar << "&Operands);\n"; 2617c69bb70deb5b596941bb1de180d1554f9a411062Chad Rosier OS << " void convertToMapAndConstraints(unsigned Kind,\n "; 26186e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier OS << " const SmallVectorImpl<MCParsedAsmOperand*> &Operands);\n"; 261900796a1b15a83247e19c2445a6ff7a31e72299a4Chad Rosier OS << " bool mnemonicIsValid(StringRef Mnemonic);\n"; 26209ba9d4d76bfa8de2b05cbce02a5a3ff7d46cb331Chad Rosier OS << " unsigned MatchInstructionImpl(\n"; 26219ba9d4d76bfa8de2b05cbce02a5a3ff7d46cb331Chad Rosier OS.indent(27); 26229ba9d4d76bfa8de2b05cbce02a5a3ff7d46cb331Chad Rosier OS << "const SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n" 26236e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier << " MCInst &Inst,\n" 2624c69bb70deb5b596941bb1de180d1554f9a411062Chad Rosier << " unsigned &ErrorInfo," 2625c69bb70deb5b596941bb1de180d1554f9a411062Chad Rosier << " bool matchingInlineAsm,\n" 2626c69bb70deb5b596941bb1de180d1554f9a411062Chad Rosier << " unsigned VariantID = 0);\n"; 2627e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2628e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (Info.OperandMatchInfo.size()) { 2629f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << "\n enum OperandMatchResultTy {\n"; 2630f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " MatchOperand_Success, // operand matched successfully\n"; 2631f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " MatchOperand_NoMatch, // operand did not match\n"; 2632f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " MatchOperand_ParseFail // operand matched but had errors\n"; 2633f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " };\n"; 2634f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " OperandMatchResultTy MatchOperandParserImpl(\n"; 2635e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n"; 2636e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " StringRef Mnemonic);\n"; 2637e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 26383d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << " OperandMatchResultTy tryCustomParseOperand(\n"; 2639e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n"; 2640e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " unsigned MCK);\n\n"; 2641e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2642e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 26430692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#endif // GET_ASSEMBLER_HEADER_INFO\n\n"; 26440692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner 26454dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Emit the operand match diagnostic enum names. 26464dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "\n#ifdef GET_OPERAND_DIAGNOSTIC_TYPES\n"; 26474dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "#undef GET_OPERAND_DIAGNOSTIC_TYPES\n\n"; 26484dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach emitOperandDiagnosticTypes(Info, OS); 26494dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "#endif // GET_OPERAND_DIAGNOSTIC_TYPES\n\n"; 26504dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 26514dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 26520692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "\n#ifdef GET_REGISTER_MATCHER\n"; 26530692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#undef GET_REGISTER_MATCHER\n\n"; 26540692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner 265554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Emit the subtarget feature enumeration. 26568caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitSubtargetFeatureFlagEnumeration(Info, OS); 265754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 26581095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Emit the function to match a register name to number. 265972e9b6aeb48d9496bac9db8b02c88a618b464588Akira Hatanaka // This should be omitted for Mips target 266072e9b6aeb48d9496bac9db8b02c88a618b464588Akira Hatanaka if (AsmParser->getValueAsBit("ShouldEmitMatchRegisterName")) 266172e9b6aeb48d9496bac9db8b02c88a618b464588Akira Hatanaka emitMatchRegisterName(Target, AsmParser, OS); 26620692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner 26630692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#endif // GET_REGISTER_MATCHER\n\n"; 2664a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 26658030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "\n#ifdef GET_SUBTARGET_FEATURE_NAME\n"; 26668030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "#undef GET_SUBTARGET_FEATURE_NAME\n\n"; 26671095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 266814ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach // Generate the helper function to get the names for subtarget features. 266914ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach emitGetSubtargetFeatureName(Info, OS); 267014ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach 26718030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "#endif // GET_SUBTARGET_FEATURE_NAME\n\n"; 26728030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper 26738030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "\n#ifdef GET_MATCHER_IMPLEMENTATION\n"; 26748030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "#undef GET_MATCHER_IMPLEMENTATION\n\n"; 26758030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper 26767fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner // Generate the function that remaps for mnemonic aliases. 26778caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach bool HasMnemonicAliases = emitMnemonicAliases(OS, Info); 2678828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 267922685876ed7231f32f7d1698c00acab22825b74cChad Rosier // Generate the convertToMCInst function to convert operands into an MCInst. 268022685876ed7231f32f7d1698c00acab22825b74cChad Rosier // Also, generate the convertToMapAndConstraints function for MS-style inline 268122685876ed7231f32f7d1698c00acab22825b74cChad Rosier // assembly. The latter doesn't actually generate a MCInst. 268222685876ed7231f32f7d1698c00acab22825b74cChad Rosier emitConvertFuncs(Target, ClassName, Info.Matchables, OS); 2683a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 2684a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit the enumeration for classes which participate in matching. 26858caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitMatchClassEnumeration(Target, Info.Classes, OS); 268620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 2687a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit the routine to match token strings to their match class. 26888caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitMatchTokenString(Target, Info.Classes, OS); 268920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 2690fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar // Emit the subclass predicate routine. 26918caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitIsSubclass(Target, Info.Classes, OS); 2692fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2693b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach // Emit the routine to validate an operand against a match class. 26948caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitValidateOperandClass(Info, OS); 2695b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach 269654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Emit the available features compute function. 26978caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitComputeAvailableFeatures(Info, OS); 269854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 2699a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 2700fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper StringToOffsetTable StringTable; 2701fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper 2702a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar size_t MaxNumOperands = 0; 2703fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper unsigned MaxMnemonicIndex = 0; 270422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::const_iterator it = 270522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner Info.Matchables.begin(), ie = Info.Matchables.end(); 2706fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper it != ie; ++it) { 2707fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper MatchableInfo &II = **it; 2708fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper MaxNumOperands = std::max(MaxNumOperands, II.AsmOperands.size()); 2709fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper 2710fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper // Store a pascal-style length byte in the mnemonic. 2711fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper std::string LenMnemonic = char(II.Mnemonic.size()) + II.Mnemonic.str(); 2712fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper MaxMnemonicIndex = std::max(MaxMnemonicIndex, 2713fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper StringTable.GetOrAddStringOffset(LenMnemonic, false)); 2714fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper } 2715a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 27163a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << "static const char *const MnemonicTable =\n"; 27173a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper StringTable.EmitString(OS); 27183a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper OS << ";\n\n"; 27193a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper 2720a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit the static match table; unused classes get initalized to 0 which is 2721a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // guaranteed to be InvalidMatchClass. 2722a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // 2723a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // FIXME: We can reduce the size of this table very easily. First, we change 2724a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // it so that store the kinds in separate bit-fields for each index, which 2725a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // only needs to be the max width used for classes at that index (we also need 2726a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // to reject based on this during classification). If we then make sure to 2727a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // order the match kinds appropriately (putting mnemonics last), then we 2728a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // should only end up using a few bits for each class, especially the ones 2729a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // following the mnemonic. 273096352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << "namespace {\n"; 273196352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << " struct MatchEntry {\n"; 2732fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper OS << " " << getMinimalTypeForRange(MaxMnemonicIndex) 2733fee7f01d1e193266b9ca88ef6b5466d543e4cec4Craig Topper << " Mnemonic;\n"; 2734a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " uint16_t Opcode;\n"; 2735af482cf301cf35eebb3a67a3540e16b102b92246Benjamin Kramer OS << " " << getMinimalTypeForRange(Info.Matchables.size()) 2736af482cf301cf35eebb3a67a3540e16b102b92246Benjamin Kramer << " ConvertFn;\n"; 2737af482cf301cf35eebb3a67a3540e16b102b92246Benjamin Kramer OS << " " << getMinimalTypeForRange(1ULL << Info.SubtargetFeatures.size()) 2738af482cf301cf35eebb3a67a3540e16b102b92246Benjamin Kramer << " RequiredFeatures;\n"; 2739fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " " << getMinimalTypeForRange(Info.Classes.size()) 2740fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << " Classes[" << MaxNumOperands << "];\n"; 2741a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " uint8_t AsmVariantID;\n\n"; 2742a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " StringRef getMnemonic() const {\n"; 2743a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " return StringRef(MnemonicTable + Mnemonic + 1,\n"; 2744a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " MnemonicTable[Mnemonic]);\n"; 2745a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " }\n"; 27462b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " };\n\n"; 2747a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2748e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Predicate for searching for an opcode.\n"; 27492b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " struct LessOpcode {\n"; 27502b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " bool operator()(const MatchEntry &LHS, StringRef RHS) {\n"; 2751a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " return LHS.getMnemonic() < RHS;\n"; 27522b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " }\n"; 27532b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " bool operator()(StringRef LHS, const MatchEntry &RHS) {\n"; 2754a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " return LHS < RHS.getMnemonic();\n"; 27552b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " }\n"; 275632c685cb67ff7701f4970ef61765cae7a50f255cChris Lattner OS << " bool operator()(const MatchEntry &LHS, const MatchEntry &RHS) {\n"; 2757a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " return LHS.getMnemonic() < RHS.getMnemonic();\n"; 275832c685cb67ff7701f4970ef61765cae7a50f255cChris Lattner OS << " }\n"; 275996352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << " };\n"; 2760a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 276196352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << "} // end anonymous namespace.\n\n"; 2762a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 276396352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << "static const MatchEntry MatchTable[" 276422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner << Info.Matchables.size() << "] = {\n"; 2765a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 276622bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::const_iterator it = 276722bc5c4184a497353e33195dd12541a4f08b008aChris Lattner Info.Matchables.begin(), ie = Info.Matchables.end(); 2768a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar it != ie; ++it) { 276922bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo &II = **it; 2770a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2771a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer // Store a pascal-style length byte in the mnemonic. 2772a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer std::string LenMnemonic = char(II.Mnemonic.size()) + II.Mnemonic.str(); 2773fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " { " << StringTable.GetOrAddStringOffset(LenMnemonic, false) 2774fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << " /* " << II.Mnemonic << " */, " 2775fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << Target.getName() << "::" 2776a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer << II.getResultInst()->TheDef->getName() << ", " 2777fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << II.ConversionFnKind << ", "; 2778a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 277954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Write the required features mask. 278054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar if (!II.RequiredFeatures.empty()) { 278154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar for (unsigned i = 0, e = II.RequiredFeatures.size(); i != e; ++i) { 278254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar if (i) OS << "|"; 27830aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner OS << II.RequiredFeatures[i]->getEnumName(); 278454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar } 278554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar } else 278654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "0"; 2787fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper 2788fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << ", { "; 2789fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper for (unsigned i = 0, e = II.AsmOperands.size(); i != e; ++i) { 2790fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper MatchableInfo::AsmOperand &Op = II.AsmOperands[i]; 2791fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper 2792fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper if (i) OS << ", "; 2793fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << Op.Class->Name; 2794fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper } 2795fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " }, " << II.AsmVariantID; 279654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "},\n"; 2797a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 2798a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 279996352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << "};\n\n"; 2800a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 28011fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson // A method to determine if a mnemonic is in the list. 28021fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << "bool " << Target.getName() << ClassName << "::\n" 280300796a1b15a83247e19c2445a6ff7a31e72299a4Chad Rosier << "mnemonicIsValid(StringRef Mnemonic) {\n"; 28041fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " // Search the table.\n"; 28051fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " std::pair<const MatchEntry*, const MatchEntry*> MnemonicRange =\n"; 28061fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " std::equal_range(MatchTable, MatchTable+" 28071fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson << Info.Matchables.size() << ", Mnemonic, LessOpcode());\n"; 28081fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " return MnemonicRange.first != MnemonicRange.second;\n"; 28091fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << "}\n\n"; 28101fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson 281196352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner // Finally, build the match function. 281219cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach OS << "unsigned " 281396352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner << Target.getName() << ClassName << "::\n" 281496352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner << "MatchInstructionImpl(const SmallVectorImpl<MCParsedAsmOperand*>" 281596352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner << " &Operands,\n"; 28166e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier OS << " MCInst &Inst,\n" 281722685876ed7231f32f7d1698c00acab22825b74cChad Rosier << "unsigned &ErrorInfo, bool matchingInlineAsm, unsigned VariantID) {\n"; 281854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 28190bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " // Eliminate obvious mismatches.\n"; 28200bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " if (Operands.size() > " << (MaxNumOperands+1) << ") {\n"; 28210bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " ErrorInfo = " << (MaxNumOperands+1) << ";\n"; 28220bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " return Match_InvalidOperand;\n"; 28230bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " }\n\n"; 28240bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier 282554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Emit code to get the available features. 282654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " // Get the current feature set.\n"; 282754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " unsigned AvailableFeatures = getAvailableFeatures();\n\n"; 282854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 2829674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner OS << " // Get the instruction mnemonic, which is the first token.\n"; 2830674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner OS << " StringRef Mnemonic = ((" << Target.getName() 2831674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner << "Operand*)Operands[0])->getToken();\n\n"; 2832674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner 28337fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner if (HasMnemonicAliases) { 28347fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner OS << " // Process all MnemonicAliases to remap the mnemonic.\n"; 283540bced0306e953c3d0fec19db4c4770b0e3c787eDevang Patel OS << " // FIXME : Add an entry in AsmParserVariant to check this.\n"; 283640bced0306e953c3d0fec19db4c4770b0e3c787eDevang Patel OS << " if (!VariantID)\n"; 283740bced0306e953c3d0fec19db4c4770b0e3c787eDevang Patel OS << " applyMnemonicAliases(Mnemonic, AvailableFeatures);\n\n"; 28387fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner } 2839828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2840a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit code to compute the class list for this operand vector. 28419bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " // Some state to try to produce better error messages.\n"; 284219cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach OS << " bool HadMatchOtherThanFeatures = false;\n"; 2843578071a08734a4eb76484ba0a8d9f10b6e322184Jim Grosbach OS << " bool HadMatchOtherThanPredicate = false;\n"; 284419cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach OS << " unsigned RetCode = Match_InvalidOperand;\n"; 2845325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " unsigned MissingFeatures = ~0U;\n"; 284684cb033bf30b6f93ae2fbea71513970147e08dc2Jim Grosbach OS << " // Set ErrorInfo to the operand that mismatches if it is\n"; 28479bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " // wrong for all instances of the instruction.\n"; 28489bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " ErrorInfo = ~0U;\n"; 28492b1f943444d1853204725c7b45b1e1032be39958Chris Lattner 2850a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit code to search the table. 2851a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " // Search the table.\n"; 28522b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " std::pair<const MatchEntry*, const MatchEntry*> MnemonicRange =\n"; 28532b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " std::equal_range(MatchTable, MatchTable+" 285422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner << Info.Matchables.size() << ", Mnemonic, LessOpcode());\n\n"; 2855a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2856a008e8ac73cb3cf2eaf006fbb1b62905c8626758Chris Lattner OS << " // Return a more specific error code if no mnemonics match.\n"; 2857a008e8ac73cb3cf2eaf006fbb1b62905c8626758Chris Lattner OS << " if (MnemonicRange.first == MnemonicRange.second)\n"; 2858a008e8ac73cb3cf2eaf006fbb1b62905c8626758Chris Lattner OS << " return Match_MnemonicFail;\n\n"; 2859a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 28602b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " for (const MatchEntry *it = MnemonicRange.first, " 286180db4e51d2a44bc623b5892bed2351406890b9aaChris Lattner << "*ie = MnemonicRange.second;\n"; 28622b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " it != ie; ++it) {\n"; 286354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 2864e53ee3b112810068b8ca229aff211fc497069273Gabor Greif OS << " // equal_range guarantees that instruction mnemonic matches.\n"; 2865a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " assert(Mnemonic == it->getMnemonic());\n"; 2866a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 286754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Emit check that the subclasses match. 286856315d319c104dc96187444e1e19711a1c801166Devang Patel OS << " if (VariantID != it->AsmVariantID) continue;\n"; 2869ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " bool OperandsValid = true;\n"; 2870ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " for (unsigned i = 0; i != " << MaxNumOperands << "; ++i) {\n"; 2871b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " if (i + 1 >= Operands.size()) {\n"; 2872b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " OperandsValid = (it->Classes[i] == " <<"InvalidMatchClass);\n"; 2873087642f8638b08bf236b2cf8f0feb4df34c568f4Bill Wendling OS << " if (!OperandsValid) ErrorInfo = i + 1;\n"; 2874b9d5af05fdc0867ed772c4bbfe3f3acc9fb3d628Jim Grosbach OS << " break;\n"; 2875b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " }\n"; 28764dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " unsigned Diag = validateOperandClass(Operands[i+1],\n"; 28774dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS.indent(43); 28784dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "(MatchClassKind)it->Classes[i]);\n"; 28794dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " if (Diag == Match_Success)\n"; 2880ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " continue;\n"; 2881fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS << " // If the generic handler indicates an invalid operand\n"; 2882fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS << " // failure, check for a special case.\n"; 2883fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS << " if (Diag == Match_InvalidOperand) {\n"; 2884fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS << " Diag = validateTargetOperandClass(Operands[i+1],\n"; 2885fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS.indent(43); 2886fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS << "(MatchClassKind)it->Classes[i]);\n"; 2887fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS << " if (Diag == Match_Success)\n"; 2888fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS << " continue;\n"; 2889fa05def52c6bb8266d856a9af2de6fa066d93d44Jim Grosbach OS << " }\n"; 28909bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " // If this operand is broken for all of the instances of this\n"; 28919bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " // mnemonic, keep track of it so we can report loc info.\n"; 28924dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " // If we already had a match that only failed due to a\n"; 28934dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " // target predicate, that diagnostic is preferred.\n"; 28944dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " if (!HadMatchOtherThanPredicate &&\n"; 28954dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " (it == MnemonicRange.first || ErrorInfo <= i+1)) {\n"; 2896ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " ErrorInfo = i+1;\n"; 2897ef970c10918dde1e84b8e14a28dc7cf0a93c7c95Jim Grosbach OS << " // InvalidOperand is the default. Prefer specificity.\n"; 2898ef970c10918dde1e84b8e14a28dc7cf0a93c7c95Jim Grosbach OS << " if (Diag != Match_InvalidOperand)\n"; 2899ef970c10918dde1e84b8e14a28dc7cf0a93c7c95Jim Grosbach OS << " RetCode = Diag;\n"; 29004dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " }\n"; 2901ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " // Otherwise, just reject this instance of the mnemonic.\n"; 2902ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " OperandsValid = false;\n"; 2903ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " break;\n"; 2904ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " }\n\n"; 2905a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2906ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " if (!OperandsValid) continue;\n"; 2907ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner 2908ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner // Emit check that the required features are available. 2909ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " if ((AvailableFeatures & it->RequiredFeatures) " 2910ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner << "!= it->RequiredFeatures) {\n"; 2911ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " HadMatchOtherThanFeatures = true;\n"; 2912325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " unsigned NewMissingFeatures = it->RequiredFeatures & " 2913325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach "~AvailableFeatures;\n"; 29140bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " if (CountPopulation_32(NewMissingFeatures) <=\n" 29150bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier " CountPopulation_32(MissingFeatures))\n"; 2916325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " MissingFeatures = NewMissingFeatures;\n"; 2917ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " continue;\n"; 2918ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " }\n"; 2919a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "\n"; 292022685876ed7231f32f7d1698c00acab22825b74cChad Rosier OS << " if (matchingInlineAsm) {\n"; 292122685876ed7231f32f7d1698c00acab22825b74cChad Rosier OS << " Inst.setOpcode(it->Opcode);\n"; 29226e006d3de882784527d4d9cc92b1a91f6773505eChad Rosier OS << " convertToMapAndConstraints(it->ConvertFn, Operands);\n"; 292322685876ed7231f32f7d1698c00acab22825b74cChad Rosier OS << " return Match_Success;\n"; 292422685876ed7231f32f7d1698c00acab22825b74cChad Rosier OS << " }\n\n"; 2925b412915ff6229b3e2dffedcfb0f3fb7e85259841Daniel Dunbar OS << " // We have selected a definite instruction, convert the parsed\n" 2926b412915ff6229b3e2dffedcfb0f3fb7e85259841Daniel Dunbar << " // operands into the appropriate MCInst.\n"; 292790e11f8c95146c2d3718e9b3de71ee6628347b05Chad Rosier OS << " convertToMCInst(it->ConvertFn, Inst, it->Opcode, Operands);\n"; 2928b412915ff6229b3e2dffedcfb0f3fb7e85259841Daniel Dunbar OS << "\n"; 29298cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar 293019cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach // Verify the instruction with the target-specific match predicate function. 293119cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach OS << " // We have a potential match. Check the target predicate to\n" 293219cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " // handle any context sensitive constraints.\n" 293319cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " unsigned MatchResult;\n" 293419cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " if ((MatchResult = checkTargetMatchPredicate(Inst)) !=" 293519cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " Match_Success) {\n" 293619cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " Inst.clear();\n" 293719cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " RetCode = MatchResult;\n" 2938578071a08734a4eb76484ba0a8d9f10b6e322184Jim Grosbach << " HadMatchOtherThanPredicate = true;\n" 293919cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " continue;\n" 294019cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " }\n\n"; 294119cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach 29428cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar // Call the post-processing function, if used. 29438cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar std::string InsnCleanupFn = 29448cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar AsmParser->getValueAsString("AsmParserInstCleanup"); 29458cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar if (!InsnCleanupFn.empty()) 29468cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar OS << " " << InsnCleanupFn << "(Inst);\n"; 29478cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar 294879ed3f77e8b87615b80054ca6e4e3ba5e07445bdChris Lattner OS << " return Match_Success;\n"; 2949a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " }\n\n"; 2950a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 2951ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " // Okay, we had no match. Try to return a useful error code.\n"; 29524c1d2baa7c3303302fec9a15ebc4021bd5d45002Chad Rosier OS << " if (HadMatchOtherThanPredicate || !HadMatchOtherThanFeatures)\n"; 29534c1d2baa7c3303302fec9a15ebc4021bd5d45002Chad Rosier OS << " return RetCode;\n\n"; 2954325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " // Missing feature matches return which features were missing\n"; 2955325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " ErrorInfo = MissingFeatures;\n"; 2956578071a08734a4eb76484ba0a8d9f10b6e322184Jim Grosbach OS << " return Match_MissingFeature;\n"; 2957a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar OS << "}\n\n"; 2958a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2959e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (Info.OperandMatchInfo.size()) 29603a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper emitCustomOperandParsing(OS, Target, Info, ClassName, StringTable, 29613a3644436695d835bb4e1e2a0c7f3cc82a2807c2Craig Topper MaxMnemonicIndex); 2962e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 29630692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#endif // GET_MATCHER_IMPLEMENTATION\n\n"; 2964d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar} 29656f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 29666f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesennamespace llvm { 29676f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 29686f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenvoid EmitAsmMatcher(RecordKeeper &RK, raw_ostream &OS) { 29696f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen emitSourceFileHeader("Assembly Matcher Source Fragment", OS); 29706f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen AsmMatcherEmitter(RK).run(OS); 29716f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} 29726f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 29736f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} // End llvm namespace 2974