AsmMatcherEmitter.cpp revision ad2d3e637a3a9eb368e71a1672331ee5e7809fe8
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 80e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes// identifiers that need to be mapped to specific valeus 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" 1031de88235781c45c0afc0c7500d65b59775196c4cChris Lattner#include "llvm/ADT/SmallPtrSet.h" 104a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar#include "llvm/ADT/SmallVector.h" 105606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar#include "llvm/ADT/STLExtras.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 202ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// isRelatedTo - Check whether this class is "related" to \arg 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 241a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach /// isSubsetOf - Test whether this class is a subset of \arg 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 28222bc5c4184a497353e33195dd12541a4f08b008aChris Lattner/// MatchableInfo - Helper class for storing the necessary information for an 28322bc5c4184a497353e33195dd12541a4f08b008aChris Lattner/// instruction or alias which is capable of being matched. 28422bc5c4184a497353e33195dd12541a4f08b008aChris Lattnerstruct MatchableInfo { 285c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner struct AsmOperand { 286d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner /// Token - This is the token that the operand came from. 287d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef Token; 288828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 289a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// The unique class instance this operand should match. 290a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ClassInfo *Class; 291a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 292567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner /// The operand name this is, if anything. 293567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner StringRef SrcOpName; 294a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 295a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// The suboperand index within SrcOpName, or -1 for the entire operand. 296a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int SubOpIdx; 297828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 29863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel /// Register record if this token is singleton register. 29963faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel Record *SingletonReg; 30063faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel 301f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach explicit AsmOperand(StringRef T) : Token(T), Class(0), SubOpIdx(-1), 30211fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach SingletonReg(0) {} 30320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar }; 304828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3051d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// ResOperand - This represents a single operand in the result instruction 3061d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// generated by the match. In cases (like addressing modes) where a single 3071d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// assembler operand expands to multiple MCOperands, this represents the 3081d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// single assembler operand, not the MCOperand. 3091d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner struct ResOperand { 3101d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner enum { 3111d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// RenderAsmOperand - This represents an operand result that is 3121d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// generated by calling the render method on the assembly operand. The 3131d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// corresponding AsmOperand is specified by AsmOperandNum. 3141d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner RenderAsmOperand, 315828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3161d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// TiedOperand - This represents a result operand that is a duplicate of 3171d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// a previous result operand. 31898c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner TiedOperand, 319828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 32098c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner /// ImmOperand - This represents an immediate value that is dumped into 32198c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner /// the operand. 32290fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner ImmOperand, 323828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 32490fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner /// RegOperand - This represents a fixed register that is dumped in. 32590fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner RegOperand 3261d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } Kind; 327828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3281d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner union { 3291d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// This is the operand # in the AsmOperands list that this should be 3301d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// copied from. 3311d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner unsigned AsmOperandNum; 332828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3331d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// TiedOperandNum - This is the (earlier) result operand that should be 3341d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// copied from. 3351d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner unsigned TiedOperandNum; 336828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 33798c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner /// ImmVal - This is the immediate value added to the instruction. 33898c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner int64_t ImmVal; 339828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 34090fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner /// Register - This is the register record. 34190fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner Record *Register; 3421d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner }; 343828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 344a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// MINumOperands - The number of MCInst operands populated by this 345a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// operand. 346a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned MINumOperands; 347828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 348a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson static ResOperand getRenderedOp(unsigned AsmOpNum, unsigned NumOperands) { 3491d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner ResOperand X; 3501d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner X.Kind = RenderAsmOperand; 3511d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner X.AsmOperandNum = AsmOpNum; 352a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson X.MINumOperands = NumOperands; 3531d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner return X; 3541d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 355828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 356a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson static ResOperand getTiedOp(unsigned TiedOperandNum) { 3571d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner ResOperand X; 3581d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner X.Kind = TiedOperand; 3591d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner X.TiedOperandNum = TiedOperandNum; 360a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson X.MINumOperands = 1; 3611d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner return X; 3621d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 363828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 364a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson static ResOperand getImmOp(int64_t Val) { 36598c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner ResOperand X; 36698c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner X.Kind = ImmOperand; 36798c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner X.ImmVal = Val; 368a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson X.MINumOperands = 1; 36998c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner return X; 37098c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner } 371828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 372a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson static ResOperand getRegOp(Record *Reg) { 37390fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner ResOperand X; 37490fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner X.Kind = RegOperand; 37590fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner X.Register = Reg; 376a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson X.MINumOperands = 1; 37790fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner return X; 37890fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner } 3791d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner }; 38020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 38156315d319c104dc96187444e1e19711a1c801166Devang Patel /// AsmVariantID - Target's assembly syntax variant no. 38256315d319c104dc96187444e1e19711a1c801166Devang Patel int AsmVariantID; 38356315d319c104dc96187444e1e19711a1c801166Devang Patel 3843b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// TheDef - This is the definition of the instruction or InstAlias that this 3853b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// matchable came from. 3865bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner Record *const TheDef; 387828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 388c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner /// DefRec - This is the definition that it came from. 389c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner PointerUnion<const CodeGenInstruction*, const CodeGenInstAlias*> DefRec; 390828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 391662e5a30e864e71111b885d3da3cdd184772035dChris Lattner const CodeGenInstruction *getResultInst() const { 392662e5a30e864e71111b885d3da3cdd184772035dChris Lattner if (DefRec.is<const CodeGenInstruction*>()) 393662e5a30e864e71111b885d3da3cdd184772035dChris Lattner return DefRec.get<const CodeGenInstruction*>(); 394662e5a30e864e71111b885d3da3cdd184772035dChris Lattner return DefRec.get<const CodeGenInstAlias*>()->ResultInst; 395662e5a30e864e71111b885d3da3cdd184772035dChris Lattner } 396828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 3971d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// ResOperands - This is the operand list that should be built for the result 3981d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner /// MCInst. 399b423d18a00eed4968d6df7415449259b09b7d67eJim Grosbach SmallVector<ResOperand, 8> ResOperands; 40020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 40120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar /// AsmString - The assembly string for this instruction (with variants 4023b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// removed), e.g. "movsx $src, $dst". 40320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar std::string AsmString; 40420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 405d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner /// Mnemonic - This is the first token of the matched instruction, its 406d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner /// mnemonic. 407d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef Mnemonic; 408828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4093116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner /// AsmOperands - The textual operands that this instruction matches, 4103b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// annotated with a class and where in the OperandList they were defined. 4113b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// This directly corresponds to the tokenized AsmString after the mnemonic is 4123b5aec67ef174c74ff6620ddd71ad3b0cb39030cChris Lattner /// removed. 413b423d18a00eed4968d6df7415449259b09b7d67eJim Grosbach SmallVector<AsmOperand, 8> AsmOperands; 41420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 41554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// Predicates - The required subtarget features to match this instruction. 41654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar SmallVector<SubtargetFeatureInfo*, 4> RequiredFeatures; 41754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 418b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar /// ConversionFnKind - The enum value which is passed to the generated 419b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar /// ConvertToMCInst to convert parsed operands into an MCInst for this 420b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar /// function. 421b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar std::string ConversionFnKind; 422828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 42322bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo(const CodeGenInstruction &CGI) 424f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach : AsmVariantID(0), TheDef(CGI.TheDef), DefRec(&CGI), 42556315d319c104dc96187444e1e19711a1c801166Devang Patel AsmString(CGI.AsmString) { 4265bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner } 4275bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner 42822bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo(const CodeGenInstAlias *Alias) 429f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach : AsmVariantID(0), TheDef(Alias->TheDef), DefRec(Alias), 43056315d319c104dc96187444e1e19711a1c801166Devang Patel AsmString(Alias->AsmString) { 431c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner } 432828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 433c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Two-operand aliases clone from the main matchable, but mark the second 434c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // operand as a tied operand of the first for purposes of the assembler. 435c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach void formTwoOperandAlias(StringRef Constraint); 436c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 4378caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void initialize(const AsmMatcherInfo &Info, 438f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach SmallPtrSet<Record*, 16> &SingletonRegisters, 43911fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach int AsmVariantNo, std::string &RegisterPrefix); 440828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4418caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// validate - Return true if this matchable is a valid thing to match against 44222bc5c4184a497353e33195dd12541a4f08b008aChris Lattner /// and perform a bunch of validity checking. 4438caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach bool validate(StringRef CommentDelimiter, bool Hack) const; 444828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 445f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach /// extractSingletonRegisterForAsmOperand - Extract singleton register, 44663faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel /// if present, from specified token. 44763faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel void 44863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel extractSingletonRegisterForAsmOperand(unsigned i, const AsmMatcherInfo &Info, 44963faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel std::string &RegisterPrefix); 45020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 4518caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// findAsmOperand - Find the AsmOperand with the specified name and 452a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// suboperand index. 4538caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach int findAsmOperand(StringRef N, int SubOpIdx) const { 454a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) 455a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (N == AsmOperands[i].SrcOpName && 456a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson SubOpIdx == AsmOperands[i].SubOpIdx) 457a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson return i; 458a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson return -1; 459a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 460828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4618caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// findAsmOperandNamed - Find the first AsmOperand with the specified name. 462a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson /// This does not check the suboperand index. 4638caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach int findAsmOperandNamed(StringRef N) const { 464ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) 465ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner if (N == AsmOperands[i].SrcOpName) 466ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner return i; 467ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner return -1; 468ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner } 469828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 4708caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildInstructionResultOperands(); 4718caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildAliasResultOperands(); 4721d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner 47322bc5c4184a497353e33195dd12541a4f08b008aChris Lattner /// operator< - Compare two matchables. 47422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner bool operator<(const MatchableInfo &RHS) const { 475e206fcf0e9c7e79c7f42ff2151f3fb58cba70674Chris Lattner // The primary comparator is the instruction mnemonic. 476d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (Mnemonic != RHS.Mnemonic) 477d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner return Mnemonic < RHS.Mnemonic; 478a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 4793116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (AsmOperands.size() != RHS.AsmOperands.size()) 4803116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner return AsmOperands.size() < RHS.AsmOperands.size(); 4812b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar 482db2ddb5dc57319eff249144f1d9a553a3278d2e0Daniel Dunbar // Compare lexicographically by operand. The matcher validates that other 4838caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach // orderings wouldn't be ambiguous using \see couldMatchAmbiguouslyWith(). 4843116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 4853116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*AsmOperands[i].Class < *RHS.AsmOperands[i].Class) 4862b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return true; 4873116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*RHS.AsmOperands[i].Class < *AsmOperands[i].Class) 488db2ddb5dc57319eff249144f1d9a553a3278d2e0Daniel Dunbar return false; 489db2ddb5dc57319eff249144f1d9a553a3278d2e0Daniel Dunbar } 490db2ddb5dc57319eff249144f1d9a553a3278d2e0Daniel Dunbar 4912b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // Give matches that require more features higher precedence. This is useful 4922b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // because we cannot define AssemblerPredicates with the negation of 4932b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // processor features. For example, ARM v6 "nop" may be either a HINT or 4942b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // MOV. With v6, we want to match HINT. The assembler has no way to 4952b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // predicate MOV under "NoV6", but HINT will always match first because it 4962b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick // requires V6 while MOV does not. 4972b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick if (RequiredFeatures.size() != RHS.RequiredFeatures.size()) 4982b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick return RequiredFeatures.size() > RHS.RequiredFeatures.size(); 4992b70dfaaebcc436c53b2c86cd8a9574baba47253Andrew Trick 5002b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return false; 5012b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar } 502606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 5038caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// couldMatchAmbiguouslyWith - Check whether this matchable could 5042b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar /// ambiguously match the same set of operands as \arg RHS (without being a 5052b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar /// strictly superior match). 5068caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach bool couldMatchAmbiguouslyWith(const MatchableInfo &RHS) { 507e66b7ebfb426c7ed9bc911e9708321e2d8510b41Chris Lattner // The primary comparator is the instruction mnemonic. 508d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (Mnemonic != RHS.Mnemonic) 509e66b7ebfb426c7ed9bc911e9708321e2d8510b41Chris Lattner return false; 510828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 5112b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // The number of operands is unambiguous. 5123116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (AsmOperands.size() != RHS.AsmOperands.size()) 5132b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return false; 514606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 5151402f0b2cac017ab997f71ab4909a2ccfea7be4bDaniel Dunbar // Otherwise, make sure the ordering of the two instructions is unambiguous 5161402f0b2cac017ab997f71ab4909a2ccfea7be4bDaniel Dunbar // by checking that either (a) a token or operand kind discriminates them, 5171402f0b2cac017ab997f71ab4909a2ccfea7be4bDaniel Dunbar // or (b) the ordering among equivalent kinds is consistent. 5181402f0b2cac017ab997f71ab4909a2ccfea7be4bDaniel Dunbar 5192b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // Tokens and operand kinds are unambiguous (assuming a correct target 5202b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // specific parser). 5213116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) 5223116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (AsmOperands[i].Class->Kind != RHS.AsmOperands[i].Class->Kind || 5233116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner AsmOperands[i].Class->Kind == ClassInfo::Token) 5243116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*AsmOperands[i].Class < *RHS.AsmOperands[i].Class || 5253116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner *RHS.AsmOperands[i].Class < *AsmOperands[i].Class) 5262b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return false; 527a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 5282b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // Otherwise, this operand could commute if all operands are equivalent, or 5292b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // there is a pair of operands that compare less than and a pair that 5302b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar // compare greater than. 5312b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar bool HasLT = false, HasGT = false; 5323116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 5333116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*AsmOperands[i].Class < *RHS.AsmOperands[i].Class) 5342b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar HasLT = true; 5353116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner if (*RHS.AsmOperands[i].Class < *AsmOperands[i].Class) 5362b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar HasGT = true; 5372b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar } 538606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 5392b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar return !(HasLT ^ HasGT); 540606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar } 541606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 54220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar void dump(); 543828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 544d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattnerprivate: 5458caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void tokenizeAsmString(const AsmMatcherInfo &Info); 54620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar}; 54720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 54854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar/// SubtargetFeatureInfo - Helper class for storing information on a subtarget 54954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar/// feature which participates in instruction matching. 55054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbarstruct SubtargetFeatureInfo { 55154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// \brief The predicate record for this feature. 55254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar Record *TheDef; 55354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 55454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// \brief An unique index assigned to represent this feature. 55554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar unsigned Index; 55654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 5570aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner SubtargetFeatureInfo(Record *D, unsigned Idx) : TheDef(D), Index(Idx) {} 558828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 55954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// \brief The name of the enumerated constant identifying this feature. 5600aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner std::string getEnumName() const { 5610aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner return "Feature_" + TheDef->getName(); 5620aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner } 56354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar}; 56454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 565e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopesstruct OperandMatchEntry { 566e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes unsigned OperandMask; 567e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes MatchableInfo* MI; 568e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes ClassInfo *CI; 569e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 5708caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach static OperandMatchEntry create(MatchableInfo* mi, ClassInfo *ci, 571e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes unsigned opMask) { 572e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OperandMatchEntry X; 573e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes X.OperandMask = opMask; 574e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes X.CI = ci; 575e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes X.MI = mi; 576e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes return X; 577e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 578e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes}; 579e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 580e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 581a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarclass AsmMatcherInfo { 582a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarpublic: 58367db883487fca3472fdde51e931657e22d4d0495Chris Lattner /// Tracked Records 5849c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner RecordKeeper &Records; 58567db883487fca3472fdde51e931657e22d4d0495Chris Lattner 58659fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar /// The tablegen AsmParser record. 58759fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar Record *AsmParser; 58859fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar 58902bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner /// Target - The target information. 59002bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner CodeGenTarget &Target; 59102bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner 592a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// The classes which are needed for matching. 593a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::vector<ClassInfo*> Classes; 594a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 59522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner /// The information on the matchables to match. 59622bc5c4184a497353e33195dd12541a4f08b008aChris Lattner std::vector<MatchableInfo*> Matchables; 597a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 598e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes /// Info for custom matching operands by user defined methods. 599e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes std::vector<OperandMatchEntry> OperandMatchInfo; 600e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 601ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// Map of Register records to their class information. 602ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::map<Record*, ClassInfo*> RegisterClasses; 603ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 60454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar /// Map of Predicate records to their subtarget information. 60554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar std::map<Record*, SubtargetFeatureInfo*> SubtargetFeatures; 606828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 6074dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach /// Map of AsmOperandClass records to their class information. 6084dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach std::map<Record*, ClassInfo*> AsmOperandClasses; 6094dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 610a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarprivate: 611a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// Map of token to class information which has already been constructed. 612a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::map<std::string, ClassInfo*> TokenClasses; 613a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 614ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// Map of RegisterClass records to their class information. 615ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::map<Record*, ClassInfo*> RegisterClassClasses; 616a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 617a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarprivate: 618a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// getTokenClass - Lookup or create the class for the given token. 619b8d6e98e566724f58344d275a4bd675249bb713aChris Lattner ClassInfo *getTokenClass(StringRef Token); 620a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 621a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar /// getOperandClass - Lookup or create the class for the given operand. 622a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ClassInfo *getOperandClass(const CGIOperandList::OperandInfo &OI, 62348c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach int SubOpIdx); 62448c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach ClassInfo *getOperandClass(Record *Rec, int SubOpIdx); 625a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 6268caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// buildRegisterClasses - Build the ClassInfo* instances for register 627ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// classes. 6288caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildRegisterClasses(SmallPtrSet<Record*, 16> &SingletonRegisters); 629ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 6308caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// buildOperandClasses - Build the ClassInfo* instances for user defined 631ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar /// operand classes. 6328caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildOperandClasses(); 633ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 6348caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildInstructionOperandReference(MatchableInfo *II, StringRef OpName, 635a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned AsmOpIdx); 6368caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildAliasOperandReference(MatchableInfo *II, StringRef OpName, 637c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner MatchableInfo::AsmOperand &Op); 638828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 639a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbarpublic: 640828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson AsmMatcherInfo(Record *AsmParser, 641828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson CodeGenTarget &Target, 6429c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner RecordKeeper &Records); 64359fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar 6448caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// buildInfo - Construct the various tables used during matching. 6458caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildInfo(); 646828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 6478caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach /// buildOperandMatchInfo - Build the necessary information to handle user 648e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes /// defined operand parsing methods. 6498caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach void buildOperandMatchInfo(); 650e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 6516fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner /// getSubtargetFeature - Lookup or create the subtarget feature info for the 6526fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner /// given operand. 6536fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner SubtargetFeatureInfo *getSubtargetFeature(Record *Def) const { 6546fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner assert(Def->isSubClassOf("Predicate") && "Invalid predicate type!"); 6556fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner std::map<Record*, SubtargetFeatureInfo*>::const_iterator I = 6566fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner SubtargetFeatures.find(Def); 6576fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner return I == SubtargetFeatures.end() ? 0 : I->second; 6586fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner } 65967db883487fca3472fdde51e931657e22d4d0495Chris Lattner 6609c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner RecordKeeper &getRecords() const { 6619c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner return Records; 66267db883487fca3472fdde51e931657e22d4d0495Chris Lattner } 663a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar}; 664a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 6656f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} // End anonymous namespace 66620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 66722bc5c4184a497353e33195dd12541a4f08b008aChris Lattnervoid MatchableInfo::dump() { 6685abd1ebcb380664ae5010395b217e01f7190046cChris Lattner errs() << TheDef->getName() << " -- " << "flattened:\"" << AsmString <<"\"\n"; 669a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 6703116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 671c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperand &Op = AsmOperands[i]; 6726745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar errs() << " op[" << i << "] = " << Op.Class->ClassName << " - "; 6730bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner errs() << '\"' << Op.Token << "\"\n"; 67420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar } 67520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar} 676a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 677c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbachstatic std::pair<StringRef, StringRef> 678376a8a773e38fdcd9102a40e08ab1e0661d645d9Jakob Stoklund OlesenparseTwoOperandConstraint(StringRef S, ArrayRef<SMLoc> Loc) { 679c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Split via the '='. 680c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach std::pair<StringRef, StringRef> Ops = S.split('='); 681c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Ops.second == "") 682c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach throw TGError(Loc, "missing '=' in two-operand alias constraint"); 683c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Trim whitespace and the leading '$' on the operand names. 684c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach size_t start = Ops.first.find_first_of('$'); 685c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (start == std::string::npos) 686c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach throw TGError(Loc, "expected '$' prefix on asm operand name"); 687c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.first = Ops.first.slice(start + 1, std::string::npos); 688c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach size_t end = Ops.first.find_last_of(" \t"); 689c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.first = Ops.first.slice(0, end); 690c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Now the second operand. 691c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach start = Ops.second.find_first_of('$'); 692c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (start == std::string::npos) 693c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach throw TGError(Loc, "expected '$' prefix on asm operand name"); 694c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.second = Ops.second.slice(start + 1, std::string::npos); 695c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach end = Ops.second.find_last_of(" \t"); 696c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.first = Ops.first.slice(0, end); 697c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach return Ops; 698c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach} 699c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 700c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbachvoid MatchableInfo::formTwoOperandAlias(StringRef Constraint) { 701c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Figure out which operands are aliased and mark them as tied. 702c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach std::pair<StringRef, StringRef> Ops = 703c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach parseTwoOperandConstraint(Constraint, TheDef->getLoc()); 704c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 705c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Find the AsmOperands that refer to the operands we're aliasing. 706c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach int SrcAsmOperand = findAsmOperandNamed(Ops.first); 707c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach int DstAsmOperand = findAsmOperandNamed(Ops.second); 708c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (SrcAsmOperand == -1) 709c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach throw TGError(TheDef->getLoc(), 710c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach "unknown source two-operand alias operand '" + 711c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.first.str() + "'."); 712c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (DstAsmOperand == -1) 713c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach throw TGError(TheDef->getLoc(), 714c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach "unknown destination two-operand alias operand '" + 715c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Ops.second.str() + "'."); 716c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 717c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Find the ResOperand that refers to the operand we're aliasing away 718c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // and update it to refer to the combined operand instead. 719c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach for (unsigned i = 0, e = ResOperands.size(); i != e; ++i) { 720c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach ResOperand &Op = ResOperands[i]; 721c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Op.Kind == ResOperand::RenderAsmOperand && 722c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Op.AsmOperandNum == (unsigned)SrcAsmOperand) { 723c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Op.AsmOperandNum = DstAsmOperand; 724c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach break; 725c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 726c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 727c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Remove the AsmOperand for the alias operand. 728c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach AsmOperands.erase(AsmOperands.begin() + SrcAsmOperand); 729c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Adjust the ResOperand references to any AsmOperands that followed 730c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // the one we just deleted. 731c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach for (unsigned i = 0, e = ResOperands.size(); i != e; ++i) { 732c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach ResOperand &Op = ResOperands[i]; 733c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach switch(Op.Kind) { 734c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach default: 735c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Nothing to do for operands that don't reference AsmOperands. 736c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach break; 737c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach case ResOperand::RenderAsmOperand: 738c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Op.AsmOperandNum > (unsigned)SrcAsmOperand) 739c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach --Op.AsmOperandNum; 740c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach break; 741c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach case ResOperand::TiedOperand: 742c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Op.TiedOperandNum > (unsigned)SrcAsmOperand) 743c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach --Op.TiedOperandNum; 744c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach break; 745c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 746c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 747c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach} 748c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 7498caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid MatchableInfo::initialize(const AsmMatcherInfo &Info, 75063faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel SmallPtrSet<Record*, 16> &SingletonRegisters, 75163faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel int AsmVariantNo, std::string &RegisterPrefix) { 75256315d319c104dc96187444e1e19711a1c801166Devang Patel AsmVariantID = AsmVariantNo; 753f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach AsmString = 75463faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel CodeGenInstruction::FlattenAsmStringVariants(AsmString, AsmVariantNo); 755828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 7568caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach tokenizeAsmString(Info); 757828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 758c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner // Compute the require features. 759c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner std::vector<Record*> Predicates =TheDef->getValueAsListOfDefs("Predicates"); 760c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner for (unsigned i = 0, e = Predicates.size(); i != e; ++i) 761c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner if (SubtargetFeatureInfo *Feature = 762c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner Info.getSubtargetFeature(Predicates[i])) 763c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner RequiredFeatures.push_back(Feature); 764828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 765c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner // Collect singleton registers, if used. 766d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 76763faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel extractSingletonRegisterForAsmOperand(i, Info, RegisterPrefix); 76863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel if (Record *Reg = AsmOperands[i].SingletonReg) 769c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner SingletonRegisters.insert(Reg); 770c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner } 771c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner} 772c2d67bbf806486984d4c9551abfd66c7f766c45bChris Lattner 7738caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// tokenizeAsmString - Tokenize a simplified assembly string. 7748caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid MatchableInfo::tokenizeAsmString(const AsmMatcherInfo &Info) { 775d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef String = AsmString; 776d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner unsigned Prev = 0; 777d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner bool InTok = true; 778d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner for (unsigned i = 0, e = String.size(); i != e; ++i) { 779d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner switch (String[i]) { 780d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '[': 781d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case ']': 782d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '*': 783d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '!': 784d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case ' ': 785d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '\t': 786d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case ',': 787d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (InTok) { 788c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.slice(Prev, i))); 789d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner InTok = false; 790d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 791d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (!isspace(String[i]) && String[i] != ',') 792c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.substr(i, 1))); 793d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = i + 1; 794d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 795d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 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 ++i; 802d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner assert(i != String.size() && "Invalid quoted character"); 803c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.substr(i, 1))); 804d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = i + 1; 805d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 806d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 807d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '$': { 8087ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner if (InTok) { 8097ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner AsmOperands.push_back(AsmOperand(String.slice(Prev, i))); 8107ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner InTok = false; 8117ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner } 812828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 813d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner // If this isn't "${", treat like a normal token. 814d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (i + 1 == String.size() || String[i + 1] != '{') { 815d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = i; 816d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 817d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 818d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 819d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef::iterator End = std::find(String.begin() + i, String.end(),'}'); 820d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner assert(End != String.end() && "Missing brace in operand reference!"); 821d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner size_t EndPos = End - String.begin(); 822c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.slice(i, EndPos+1))); 823d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = EndPos + 1; 824d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner i = EndPos; 825d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 826d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 827d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 828d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner case '.': 829d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (InTok) 830c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.slice(Prev, i))); 831d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Prev = i; 832d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner InTok = true; 833d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner break; 834d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 835d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner default: 836d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner InTok = true; 837d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 838d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner } 839d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (InTok && Prev != String.size()) 840c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner AsmOperands.push_back(AsmOperand(String.substr(Prev))); 841828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 842d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner // The first token of the instruction is the mnemonic, which must be a 843d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner // simple string, not a $foo variable or a singleton register. 8444a2242cea0e9fdb36276807b1d4ddd7cd1a15bd4Jim Grosbach if (AsmOperands.empty()) 8454a2242cea0e9fdb36276807b1d4ddd7cd1a15bd4Jim Grosbach throw TGError(TheDef->getLoc(), 8464a2242cea0e9fdb36276807b1d4ddd7cd1a15bd4Jim Grosbach "Instruction '" + TheDef->getName() + "' has no tokens"); 847d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Mnemonic = AsmOperands[0].Token; 8488e27c9615938298bd03a7884964a0f5e0e80542dJim Grosbach if (Mnemonic.empty()) 8498e27c9615938298bd03a7884964a0f5e0e80542dJim Grosbach throw TGError(TheDef->getLoc(), 8508e27c9615938298bd03a7884964a0f5e0e80542dJim Grosbach "Missing instruction mnemonic"); 85163faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel // FIXME : Check and raise an error if it is a register. 852b78307fc58025713fd98c8414fa8f29720f37a76Devang Patel if (Mnemonic[0] == '$') 853d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner throw TGError(TheDef->getLoc(), 854d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner "Invalid instruction mnemonic '" + Mnemonic.str() + "'!"); 855828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 856d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner // Remove the first operand, it is tracked in the mnemonic field. 857d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner AsmOperands.erase(AsmOperands.begin()); 858d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner} 859d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner 8608caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachbool MatchableInfo::validate(StringRef CommentDelimiter, bool Hack) const { 86122bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Reject matchables with no .s string. 8625bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner if (AsmString.empty()) 8635bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner throw TGError(TheDef->getLoc(), "instruction with empty asm string"); 864828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 86522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Reject any matchables with a newline in them, they should be marked 8665bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner // isCodeGenOnly if they are pseudo instructions. 8675bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner if (AsmString.find('\n') != std::string::npos) 8685bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner throw TGError(TheDef->getLoc(), 8695bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner "multiline instruction is not valid for the asmparser, " 8705bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner "mark it isCodeGenOnly"); 871828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 8724164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner // Remove comments from the asm string. We know that the asmstring only 8734164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner // has one line. 8744164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner if (!CommentDelimiter.empty() && 8754164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner StringRef(AsmString).find(CommentDelimiter) != StringRef::npos) 8764164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner throw TGError(TheDef->getLoc(), 8774164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner "asmstring for instruction has comment character in it, " 8784164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner "mark it isCodeGenOnly"); 879828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 88022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Reject matchables with operand modifiers, these aren't something we can 881906bc368bc0fe18682edc0743ada41f62e436383Bob Wilson // handle, the target should be refactored to use operands instead of 882906bc368bc0fe18682edc0743ada41f62e436383Bob Wilson // modifiers. 8835bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner // 8845bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner // Also, check for instructions which reference the operand multiple times; 8855bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner // this implies a constraint we would not honor. 8865bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner std::set<std::string> OperandNames; 887d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) { 888d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef Tok = AsmOperands[i].Token; 889d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (Tok[0] == '$' && Tok.find(':') != StringRef::npos) 8905bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner throw TGError(TheDef->getLoc(), 891d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner "matchable with operand modifier '" + Tok.str() + 8925bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner "' not supported by asm matcher. Mark isCodeGenOnly!"); 893828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 89422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Verify that any operand is only mentioned once. 895d51257a4368d52e2340073bc7ccd83f3c3f1c04dChris Lattner // We reject aliases and ignore instructions for now. 896d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner if (Tok[0] == '$' && !OperandNames.insert(Tok).second) { 89722bc5c4184a497353e33195dd12541a4f08b008aChris Lattner if (!Hack) 89822bc5c4184a497353e33195dd12541a4f08b008aChris Lattner throw TGError(TheDef->getLoc(), 899d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner "ERROR: matchable with tied operand '" + Tok.str() + 90022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner "' can never be matched!"); 90122bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // FIXME: Should reject these. The ARM backend hits this with $lane in a 90222bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // bunch of instructions. It is unclear what the right answer is. 9035bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner DEBUG({ 9045abd1ebcb380664ae5010395b217e01f7190046cChris Lattner errs() << "warning: '" << TheDef->getName() << "': " 90522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner << "ignoring instruction with tied operand '" 906d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner << Tok.str() << "'\n"; 9075bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner }); 9085bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner return false; 9095bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner } 9105bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner } 911828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 9125bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner return true; 9135bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner} 9145bc93878069b7d9c567c8a04ebfa329636822c5eChris Lattner 915f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach/// extractSingletonRegisterForAsmOperand - Extract singleton register, 916d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel/// if present, from specified token. 91763faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patelvoid MatchableInfo:: 918f35307ceac57194094f207f0920fbd22231f5331Jim GrosbachextractSingletonRegisterForAsmOperand(unsigned OperandNo, 919d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel const AsmMatcherInfo &Info, 92011fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach std::string &RegisterPrefix) { 921d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel StringRef Tok = AsmOperands[OperandNo].Token; 92263faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel if (RegisterPrefix.empty()) { 923d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel std::string LoweredTok = Tok.lower(); 924d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel if (const CodeGenRegister *Reg = Info.Target.getRegisterByName(LoweredTok)) 925d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel AsmOperands[OperandNo].SingletonReg = Reg->TheDef; 92663faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel return; 927f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach } 92863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel 92963faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel if (!Tok.startswith(RegisterPrefix)) 93063faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel return; 931828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 93263faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel StringRef RegName = Tok.substr(RegisterPrefix.size()); 933ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner if (const CodeGenRegister *Reg = Info.Target.getRegisterByName(RegName)) 934d06b01c038e00f6af50a1b6d4c71389037e00212Devang Patel AsmOperands[OperandNo].SingletonReg = Reg->TheDef; 935828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 9361de88235781c45c0afc0c7500d65b59775196c4cChris Lattner // If there is no register prefix (i.e. "%" in "%eax"), then this may 9371de88235781c45c0afc0c7500d65b59775196c4cChris Lattner // be some random non-register token, just ignore it. 93863faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel return; 93902bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner} 94002bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner 941b8d6e98e566724f58344d275a4bd675249bb713aChris Lattnerstatic std::string getEnumNameForToken(StringRef Str) { 942a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::string Res; 943a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 944a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar for (StringRef::iterator it = Str.begin(), ie = Str.end(); it != ie; ++it) { 945a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar switch (*it) { 946a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar case '*': Res += "_STAR_"; break; 947a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar case '%': Res += "_PCT_"; break; 948a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar case ':': Res += "_COLON_"; break; 949bd9c77bc9ad384d046a7967d160ad96f61916d9dBill Wendling case '!': Res += "_EXCLAIM_"; break; 9500ef755d9051a79680326d6144a2401660fc93e57Bill Wendling case '.': Res += "_DOT_"; break; 951a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar default: 95239ee036f407bd0c94cb993cf9b97348843cfafa4Chris Lattner if (isalnum(*it)) 953a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Res += *it; 95439ee036f407bd0c94cb993cf9b97348843cfafa4Chris Lattner else 955a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Res += "_" + utostr((unsigned) *it) + "_"; 956a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 957a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 95820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 959a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar return Res; 960a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar} 961a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 962b8d6e98e566724f58344d275a4bd675249bb713aChris LattnerClassInfo *AsmMatcherInfo::getTokenClass(StringRef Token) { 963a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ClassInfo *&Entry = TokenClasses[Token]; 964a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 965a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar if (!Entry) { 966a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry = new ClassInfo(); 967a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->Kind = ClassInfo::Token; 9686745d42e8e51ba6b9546d6fa62e0c1b1e0f3982aDaniel Dunbar Entry->ClassName = "Token"; 969a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->Name = "MCK_" + getEnumNameForToken(Token); 970a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->ValueName = Token; 971a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->PredicateMethod = "<invalid>"; 972a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Entry->RenderMethod = "<invalid>"; 973e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes Entry->ParserMethod = ""; 9744dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach Entry->DiagnosticType = ""; 975a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar Classes.push_back(Entry); 976a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 977a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 978a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar return Entry; 979a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar} 980a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 981a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel DunbarClassInfo * 982a49c7dfb360154070c08b8eb94ad31711d1babaeBob WilsonAsmMatcherInfo::getOperandClass(const CGIOperandList::OperandInfo &OI, 983a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int SubOpIdx) { 984a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *Rec = OI.Rec; 985a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (SubOpIdx != -1) 98605bce0beee87512e52428d4b80f5a8e79a949576David Greene Rec = dynamic_cast<DefInit*>(OI.MIOperandInfo->getArg(SubOpIdx))->getDef(); 98748c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach return getOperandClass(Rec, SubOpIdx); 98848c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach} 989a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 99048c1f84b104fd32109d809a56f5ebbf461c0910cJim GrosbachClassInfo * 99148c1f84b104fd32109d809a56f5ebbf461c0910cJim GrosbachAsmMatcherInfo::getOperandClass(Record *Rec, int SubOpIdx) { 992bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (Rec->isSubClassOf("RegisterOperand")) { 993bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson // RegisterOperand may have an associated ParserMatchClass. If it does, 994bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson // use it, else just fall back to the underlying register class. 995bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson const RecordVal *R = Rec->getValue("ParserMatchClass"); 996bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (R == 0 || R->getValue() == 0) 997bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson throw "Record `" + Rec->getName() + 998bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson "' does not have a ParserMatchClass!\n"; 999bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson 100005bce0beee87512e52428d4b80f5a8e79a949576David Greene if (DefInit *DI= dynamic_cast<DefInit*>(R->getValue())) { 1001bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson Record *MatchClass = DI->getDef(); 1002bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (ClassInfo *CI = AsmOperandClasses[MatchClass]) 1003bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson return CI; 1004bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson } 1005bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson 1006bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson // No custom match class. Just use the register class. 1007bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson Record *ClassRec = Rec->getValueAsDef("RegClass"); 1008bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (!ClassRec) 1009bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson throw TGError(Rec->getLoc(), "RegisterOperand `" + Rec->getName() + 1010bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson "' has no associated register class!\n"); 1011bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson if (ClassInfo *CI = RegisterClassClasses[ClassRec]) 1012bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson return CI; 1013bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson throw TGError(Rec->getLoc(), "register class has no class info!"); 1014bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson } 1015bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson 1016bea6f615eefae279e53bbb63a31d2c3c67274c45Owen Anderson 1017a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (Rec->isSubClassOf("RegisterClass")) { 1018a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (ClassInfo *CI = RegisterClassClasses[Rec]) 1019ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner return CI; 1020a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson throw TGError(Rec->getLoc(), "register class has no class info!"); 1021ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1022338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar 1023a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson assert(Rec->isSubClassOf("Operand") && "Unexpected operand!"); 1024a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *MatchClass = Rec->getValueAsDef("ParserMatchClass"); 1025ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner if (ClassInfo *CI = AsmOperandClasses[MatchClass]) 1026ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner return CI; 1027a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 1028a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson throw TGError(Rec->getLoc(), "operand has no match class!"); 1029338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar} 1030338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar 10311de88235781c45c0afc0c7500d65b59775196c4cChris Lattnervoid AsmMatcherInfo:: 10328caecdea56c830f3fc80ed67fff121c83de0e364Jim GrosbachbuildRegisterClasses(SmallPtrSet<Record*, 16> &SingletonRegisters) { 1033abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen const std::vector<CodeGenRegister*> &Registers = 1034abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen Target.getRegBank().getRegisters(); 103529f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen ArrayRef<CodeGenRegisterClass*> RegClassList = 103629f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen Target.getRegBank().getRegClasses(); 1037338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar 1038ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // The register sets used for matching. 1039ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::set< std::set<Record*> > RegisterSets; 1040ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1041a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach // Gather the defined sets. 104229f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen for (ArrayRef<CodeGenRegisterClass*>::const_iterator it = 1043ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner RegClassList.begin(), ie = RegClassList.end(); it != ie; ++it) 104429f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen RegisterSets.insert(std::set<Record*>( 104529f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen (*it)->getOrder().begin(), (*it)->getOrder().end())); 10461095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 10471095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Add any required singleton sets. 10481de88235781c45c0afc0c7500d65b59775196c4cChris Lattner for (SmallPtrSet<Record*, 16>::iterator it = SingletonRegisters.begin(), 10491de88235781c45c0afc0c7500d65b59775196c4cChris Lattner ie = SingletonRegisters.end(); it != ie; ++it) { 10501de88235781c45c0afc0c7500d65b59775196c4cChris Lattner Record *Rec = *it; 10511de88235781c45c0afc0c7500d65b59775196c4cChris Lattner RegisterSets.insert(std::set<Record*>(&Rec, &Rec + 1)); 10521de88235781c45c0afc0c7500d65b59775196c4cChris Lattner } 1053a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 1054ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Introduce derived sets where necessary (when a register does not determine 1055ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // a unique register set class), and build the mapping of registers to the set 1056ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // they should classify to. 1057ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::map<Record*, std::set<Record*> > RegisterMap; 1058abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen for (std::vector<CodeGenRegister*>::const_iterator it = Registers.begin(), 1059ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = Registers.end(); it != ie; ++it) { 1060abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen const CodeGenRegister &CGR = **it; 1061ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Compute the intersection of all sets containing this register. 1062ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::set<Record*> ContainingSet; 1063a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 1064ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::set< std::set<Record*> >::iterator it = RegisterSets.begin(), 1065ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = RegisterSets.end(); it != ie; ++it) { 1066ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!it->count(CGR.TheDef)) 1067ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar continue; 1068ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1069ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (ContainingSet.empty()) { 1070ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ContainingSet = *it; 1071ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner continue; 1072ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1073828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1074ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner std::set<Record*> Tmp; 1075ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner std::swap(Tmp, ContainingSet); 1076ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner std::insert_iterator< std::set<Record*> > II(ContainingSet, 1077ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner ContainingSet.begin()); 1078ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner std::set_intersection(Tmp.begin(), Tmp.end(), it->begin(), it->end(), II); 1079ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1080ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1081ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!ContainingSet.empty()) { 1082ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar RegisterSets.insert(ContainingSet); 1083ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar RegisterMap.insert(std::make_pair(CGR.TheDef, ContainingSet)); 1084ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1085ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1086ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1087ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Construct the register classes. 1088ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::map<std::set<Record*>, ClassInfo*> RegisterSetClasses; 1089ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar unsigned Index = 0; 1090ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::set< std::set<Record*> >::iterator it = RegisterSets.begin(), 1091ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = RegisterSets.end(); it != ie; ++it, ++Index) { 1092ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ClassInfo *CI = new ClassInfo(); 1093ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->Kind = ClassInfo::RegisterClass0 + Index; 1094ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->ClassName = "Reg" + utostr(Index); 1095ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->Name = "MCK_Reg" + utostr(Index); 1096ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->ValueName = ""; 1097ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->PredicateMethod = ""; // unused 1098ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->RenderMethod = "addRegOperands"; 10998409bfbbc306bc051fbd8b049804103ca7df2f63Daniel Dunbar CI->Registers = *it; 11004dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // FIXME: diagnostic type. 11014dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach CI->DiagnosticType = ""; 1102ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar Classes.push_back(CI); 1103ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar RegisterSetClasses.insert(std::make_pair(*it, CI)); 1104ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1105ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1106ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Find the superclasses; we could compute only the subgroup lattice edges, 1107ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // but there isn't really a point. 1108ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::set< std::set<Record*> >::iterator it = RegisterSets.begin(), 1109ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = RegisterSets.end(); it != ie; ++it) { 1110ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ClassInfo *CI = RegisterSetClasses[*it]; 1111ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::set< std::set<Record*> >::iterator it2 = RegisterSets.begin(), 1112ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie2 = RegisterSets.end(); it2 != ie2; ++it2) 1113a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach if (*it != *it2 && 1114ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar std::includes(it2->begin(), it2->end(), it->begin(), it->end())) 1115ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->SuperClasses.push_back(RegisterSetClasses[*it2]); 1116ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1117ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1118ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Name the register classes which correspond to a user defined RegisterClass. 111929f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen for (ArrayRef<CodeGenRegisterClass*>::const_iterator 1120ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner it = RegClassList.begin(), ie = RegClassList.end(); it != ie; ++it) { 112129f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen const CodeGenRegisterClass &RC = **it; 11226fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen // Def will be NULL for non-user defined register classes. 11236fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen Record *Def = RC.getDef(); 11246fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen if (!Def) 11256fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen continue; 112629f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen ClassInfo *CI = RegisterSetClasses[std::set<Record*>(RC.getOrder().begin(), 112729f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen RC.getOrder().end())]; 1128ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (CI->ValueName.empty()) { 112929f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen CI->ClassName = RC.getName(); 113029f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen CI->Name = "MCK_" + RC.getName(); 113129f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen CI->ValueName = RC.getName(); 1132ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } else 113329f018cee616e4082e5005bc9adee4dc777e621cJakob Stoklund Olesen CI->ValueName = CI->ValueName + "," + RC.getName(); 1134ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 11356fea31e7300fe012b0b2984d6bc0338d02b054d3Jakob Stoklund Olesen RegisterClassClasses.insert(std::make_pair(Def, CI)); 1136ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } 1137ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1138ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar // Populate the map for individual registers. 1139ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar for (std::map<Record*, std::set<Record*> >::iterator it = RegisterMap.begin(), 1140ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = RegisterMap.end(); it != ie; ++it) 1141ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner RegisterClasses[it->first] = RegisterSetClasses[it->second]; 11421095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 11431095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Name the register classes which correspond to singleton registers. 11441de88235781c45c0afc0c7500d65b59775196c4cChris Lattner for (SmallPtrSet<Record*, 16>::iterator it = SingletonRegisters.begin(), 11451de88235781c45c0afc0c7500d65b59775196c4cChris Lattner ie = SingletonRegisters.end(); it != ie; ++it) { 11461de88235781c45c0afc0c7500d65b59775196c4cChris Lattner Record *Rec = *it; 1147ec6f096c36f4144ff9b3b24c2939720cdcbb7bccChris Lattner ClassInfo *CI = RegisterClasses[Rec]; 11481de88235781c45c0afc0c7500d65b59775196c4cChris Lattner assert(CI && "Missing singleton register class info!"); 11491de88235781c45c0afc0c7500d65b59775196c4cChris Lattner 11501de88235781c45c0afc0c7500d65b59775196c4cChris Lattner if (CI->ValueName.empty()) { 11511de88235781c45c0afc0c7500d65b59775196c4cChris Lattner CI->ClassName = Rec->getName(); 11521de88235781c45c0afc0c7500d65b59775196c4cChris Lattner CI->Name = "MCK_" + Rec->getName(); 11531de88235781c45c0afc0c7500d65b59775196c4cChris Lattner CI->ValueName = Rec->getName(); 11541de88235781c45c0afc0c7500d65b59775196c4cChris Lattner } else 11551de88235781c45c0afc0c7500d65b59775196c4cChris Lattner CI->ValueName = CI->ValueName + "," + Rec->getName(); 11561095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar } 1157ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar} 1158ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 11598caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid AsmMatcherInfo::buildOperandClasses() { 1160e66b7ebfb426c7ed9bc911e9708321e2d8510b41Chris Lattner std::vector<Record*> AsmOperands = 1161e66b7ebfb426c7ed9bc911e9708321e2d8510b41Chris Lattner Records.getAllDerivedDefinitions("AsmOperandClass"); 1162a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar 1163a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar // Pre-populate AsmOperandClasses map. 1164a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<Record*>::iterator it = AsmOperands.begin(), 1165a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar ie = AsmOperands.end(); it != ie; ++it) 1166a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar AsmOperandClasses[*it] = new ClassInfo(); 1167a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar 1168338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar unsigned Index = 0; 1169a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<Record*>::iterator it = AsmOperands.begin(), 1170338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar ie = AsmOperands.end(); it != ie; ++it, ++Index) { 1171a2f5e00347641d1b46ce4f65bf9378fecce9be14Daniel Dunbar ClassInfo *CI = AsmOperandClasses[*it]; 1172338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar CI->Kind = ClassInfo::UserClass0 + Index; 1173338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar 117405bce0beee87512e52428d4b80f5a8e79a949576David Greene ListInit *Supers = (*it)->getValueAsListInit("SuperClasses"); 117554ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar for (unsigned i = 0, e = Supers->getSize(); i != e; ++i) { 117605bce0beee87512e52428d4b80f5a8e79a949576David Greene DefInit *DI = dynamic_cast<DefInit*>(Supers->getElement(i)); 117754ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar if (!DI) { 117854ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar PrintError((*it)->getLoc(), "Invalid super class reference!"); 117954ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar continue; 118054ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar } 118154ddf3d9c756881021afcb869a6ec892a21aef5bDaniel Dunbar 1182ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ClassInfo *SC = AsmOperandClasses[DI->getDef()]; 1183ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!SC) 1184338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar PrintError((*it)->getLoc(), "Invalid super class reference!"); 1185ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar else 1186ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar CI->SuperClasses.push_back(SC); 1187a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 1188338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar CI->ClassName = (*it)->getValueAsString("Name"); 1189338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar CI->Name = "MCK_" + CI->ClassName; 1190338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar CI->ValueName = (*it)->getName(); 11915c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar 11925c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar // Get or construct the predicate method name. 119305bce0beee87512e52428d4b80f5a8e79a949576David Greene Init *PMName = (*it)->getValueInit("PredicateMethod"); 119405bce0beee87512e52428d4b80f5a8e79a949576David Greene if (StringInit *SI = dynamic_cast<StringInit*>(PMName)) { 11955c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar CI->PredicateMethod = SI->getValue(); 11965c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar } else { 119705bce0beee87512e52428d4b80f5a8e79a949576David Greene assert(dynamic_cast<UnsetInit*>(PMName) && 11985c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar "Unexpected PredicateMethod field!"); 11995c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar CI->PredicateMethod = "is" + CI->ClassName; 12005c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar } 12015c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar 12025c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar // Get or construct the render method name. 120305bce0beee87512e52428d4b80f5a8e79a949576David Greene Init *RMName = (*it)->getValueInit("RenderMethod"); 120405bce0beee87512e52428d4b80f5a8e79a949576David Greene if (StringInit *SI = dynamic_cast<StringInit*>(RMName)) { 12055c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar CI->RenderMethod = SI->getValue(); 12065c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar } else { 120705bce0beee87512e52428d4b80f5a8e79a949576David Greene assert(dynamic_cast<UnsetInit*>(RMName) && 12085c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar "Unexpected RenderMethod field!"); 12095c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar CI->RenderMethod = "add" + CI->ClassName + "Operands"; 12105c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar } 12115c468e3d7006e854fd41b29d5539a7adcee53904Daniel Dunbar 1212e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Get the parse method name or leave it as empty. 121305bce0beee87512e52428d4b80f5a8e79a949576David Greene Init *PRMName = (*it)->getValueInit("ParserMethod"); 121405bce0beee87512e52428d4b80f5a8e79a949576David Greene if (StringInit *SI = dynamic_cast<StringInit*>(PRMName)) 1215e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes CI->ParserMethod = SI->getValue(); 1216e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 12174dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Get the diagnostic type or leave it as empty. 12184dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Get the parse method name or leave it as empty. 12194dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach Init *DiagnosticType = (*it)->getValueInit("DiagnosticType"); 12204dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach if (StringInit *SI = dynamic_cast<StringInit*>(DiagnosticType)) 12214dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach CI->DiagnosticType = SI->getValue(); 12224dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 1223338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar AsmOperandClasses[*it] = CI; 1224338825c1928b956b2cbcc2c165a60afddd100398Daniel Dunbar Classes.push_back(CI); 1225a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 1226ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar} 1227ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1228828295bb301d6cd3683751c2da1c2dd22ec6423fBob WilsonAsmMatcherInfo::AsmMatcherInfo(Record *asmParser, 1229828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson CodeGenTarget &target, 12309c6b60eb28d2717008f8d6ff52f7666ebc81113dChris Lattner RecordKeeper &records) 123163faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel : Records(records), AsmParser(asmParser), Target(target) { 123259fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar} 123359fc42debd571bbafc52c20bc418fdc3f4d00188Daniel Dunbar 12348caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// buildOperandMatchInfo - Build the necessary information to handle user 1235e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes/// defined operand parsing methods. 12368caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid AsmMatcherInfo::buildOperandMatchInfo() { 1237e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1238d4824fc8aa1df5501600dd2a73c6da823f3b02dbJim Grosbach /// Map containing a mask with all operands indices that can be found for 1239e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes /// that class inside a instruction. 1240e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes std::map<ClassInfo*, unsigned> OpClassMask; 1241e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1242e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (std::vector<MatchableInfo*>::const_iterator it = 1243e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes Matchables.begin(), ie = Matchables.end(); 1244e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes it != ie; ++it) { 1245e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes MatchableInfo &II = **it; 1246e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OpClassMask.clear(); 1247e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1248e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Keep track of all operands of this instructions which belong to the 1249e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // same class. 1250e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (unsigned i = 0, e = II.AsmOperands.size(); i != e; ++i) { 1251e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes MatchableInfo::AsmOperand &Op = II.AsmOperands[i]; 1252e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (Op.Class->ParserMethod.empty()) 1253e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes continue; 1254e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes unsigned &OperandMask = OpClassMask[Op.Class]; 1255e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OperandMask |= (1 << i); 1256e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 1257e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 1258e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Generate operand match info for each mnemonic/operand class pair. 1259e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (std::map<ClassInfo*, unsigned>::iterator iit = OpClassMask.begin(), 1260e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes iie = OpClassMask.end(); iit != iie; ++iit) { 1261e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes unsigned OpMask = iit->second; 1262e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes ClassInfo *CI = iit->first; 12638caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach OperandMatchInfo.push_back(OperandMatchEntry::create(&II, CI, OpMask)); 1264e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 1265e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 1266e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes} 1267e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 12688caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid AsmMatcherInfo::buildInfo() { 12690aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner // Build information about all of the AssemblerPredicates. 12700aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner std::vector<Record*> AllPredicates = 12710aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner Records.getAllDerivedDefinitions("Predicate"); 12720aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner for (unsigned i = 0, e = AllPredicates.size(); i != e; ++i) { 12730aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner Record *Pred = AllPredicates[i]; 12740aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner // Ignore predicates that are not intended for the assembler. 12750aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner if (!Pred->getValueAsBit("AssemblerMatcherPredicate")) 12760aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner continue; 1277828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 12784164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner if (Pred->getName().empty()) 12794164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner throw TGError(Pred->getLoc(), "Predicate has no name!"); 1280828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 12810aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner unsigned FeatureNo = SubtargetFeatures.size(); 12820aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner SubtargetFeatures[Pred] = new SubtargetFeatureInfo(Pred, FeatureNo); 12830aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner assert(FeatureNo < 32 && "Too many subtarget features!"); 12840aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner } 1285a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 128639ee036f407bd0c94cb993cf9b97348843cfafa4Chris Lattner // Parse the instructions; we need to do this first so that we can gather the 128739ee036f407bd0c94cb993cf9b97348843cfafa4Chris Lattner // singleton register classes. 12881de88235781c45c0afc0c7500d65b59775196c4cChris Lattner SmallPtrSet<Record*, 16> SingletonRegisters; 12890dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel unsigned VariantCount = Target.getAsmParserVariantCount(); 12900dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel for (unsigned VC = 0; VC != VariantCount; ++VC) { 12910dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel Record *AsmVariant = Target.getAsmParserVariant(VC); 129265da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach std::string CommentDelimiter = 129365da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach AsmVariant->getValueAsString("CommentDelimiter"); 12940dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel std::string RegisterPrefix = AsmVariant->getValueAsString("RegisterPrefix"); 12950dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel int AsmVariantNo = AsmVariant->getValueAsInt("Variant"); 1296f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 12970dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel for (CodeGenTarget::inst_iterator I = Target.inst_begin(), 129811fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach E = Target.inst_end(); I != E; ++I) { 12990dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel const CodeGenInstruction &CGI = **I; 1300f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13010dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // If the tblgen -match-prefix option is specified (for tblgen hackers), 13020dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // filter the set of instructions we consider. 13030dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel if (!StringRef(CGI.TheDef->getName()).startswith(MatchPrefix)) 130411fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1305f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13060dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Ignore "codegen only" instructions. 13070dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel if (CGI.TheDef->getValueAsBit("isCodeGenOnly")) 130811fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1309f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13100dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Validate the operand list to ensure we can handle this instruction. 13110dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel for (unsigned i = 0, e = CGI.Operands.size(); i != e; ++i) { 131211fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach const CGIOperandList::OperandInfo &OI = CGI.Operands[i]; 131311fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach 131411fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach // Validate tied operands. 131511fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach if (OI.getTiedRegister() != -1) { 131611fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach // If we have a tied operand that consists of multiple MCOperands, 131711fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach // reject it. We reject aliases and ignore instructions for now. 131811fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach if (OI.MINumOperands != 1) { 131911fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach // FIXME: Should reject these. The ARM backend hits this with $lane 132065da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach // in a bunch of instructions. The right answer is unclear. 132111fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach DEBUG({ 132211fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach errs() << "warning: '" << CGI.TheDef->getName() << "': " 132365da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach << "ignoring instruction with multi-operand tied operand '" 132465da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach << OI.Name << "'\n"; 132511fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach }); 132611fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 132711fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach } 132811fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach } 13291d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 1330f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13310dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel OwningPtr<MatchableInfo> II(new MatchableInfo(CGI)); 1332f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13338caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->initialize(*this, SingletonRegisters, AsmVariantNo, RegisterPrefix); 1334f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13350dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Ignore instructions which shouldn't be matched and diagnose invalid 13360dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // instruction definitions with an error. 13378caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach if (!II->validate(CommentDelimiter, true)) 133811fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1339f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13400dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Ignore "Int_*" and "*_Int" instructions, which are internal aliases. 13410dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // 13420dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // FIXME: This is a total hack. 13430dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel if (StringRef(II->TheDef->getName()).startswith("Int_") || 134411fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach StringRef(II->TheDef->getName()).endswith("_Int")) 134511fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1346f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13470dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel Matchables.push_back(II.take()); 13480dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel } 1349f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13500dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Parse all of the InstAlias definitions and stick them in the list of 13510dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // matchables. 13520dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel std::vector<Record*> AllInstAliases = 13530dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel Records.getAllDerivedDefinitions("InstAlias"); 13540dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel for (unsigned i = 0, e = AllInstAliases.size(); i != e; ++i) { 13550dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel CodeGenInstAlias *Alias = new CodeGenInstAlias(AllInstAliases[i], Target); 1356f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13570dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // If the tblgen -match-prefix option is specified (for tblgen hackers), 13580dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // filter the set of instruction aliases we consider, based on the target 13590dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // instruction. 136065da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach if (!StringRef(Alias->ResultInst->TheDef->getName()) 136165da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach .startswith( MatchPrefix)) 136211fc6467e6a7bbd39037ec488d1138c5518fd17eJim Grosbach continue; 1363f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13640dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel OwningPtr<MatchableInfo> II(new MatchableInfo(Alias)); 1365f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13668caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->initialize(*this, SingletonRegisters, AsmVariantNo, RegisterPrefix); 1367f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13680dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel // Validate the alias definitions. 13698caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->validate(CommentDelimiter, false); 1370f35307ceac57194094f207f0920fbd22231f5331Jim Grosbach 13710dbcadaa2fdf7038431931bab090f4467d8e308fDevang Patel Matchables.push_back(II.take()); 13721d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 1373c76e80ded753b78a72be0db40fcdba543435d818Chris Lattner } 1374c240bb0ede0541426254d0e0dc81d891beda4b22Chris Lattner 13751095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Build info for the register classes. 13768caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach buildRegisterClasses(SingletonRegisters); 13771095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 13781095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Build info for the user defined assembly operand classes. 13798caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach buildOperandClasses(); 13801095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 13810bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner // Build the information about matchables, now that we have fully formed 13820bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner // classes. 1383c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach std::vector<MatchableInfo*> NewMatchables; 138422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::iterator it = Matchables.begin(), 138522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner ie = Matchables.end(); it != ie; ++it) { 138622bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo *II = *it; 1387a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 1388e206fcf0e9c7e79c7f42ff2151f3fb58cba70674Chris Lattner // Parse the tokens after the mnemonic. 13898caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach // Note: buildInstructionOperandReference may insert new AsmOperands, so 1390a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // don't precompute the loop bound. 1391a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for (unsigned i = 0; i != II->AsmOperands.size(); ++i) { 1392c0b14a250b61beb78d75d10c3124bbfd5355905cChris Lattner MatchableInfo::AsmOperand &Op = II->AsmOperands[i]; 1393d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner StringRef Token = Op.Token; 139420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 13951095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Check for singleton registers. 139663faf82d0377f0a878d643ca2aacc02c35811b3eDevang Patel if (Record *RegRecord = II->AsmOperands[i].SingletonReg) { 1397d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Op.Class = RegisterClasses[RegRecord]; 139802bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner assert(Op.Class && Op.Class->Registers.size() == 1 && 139902bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner "Unexpected class for singleton register"); 140002bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner continue; 14011095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar } 14021095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 140320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar // Check for simple tokens. 140420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar if (Token[0] != '$') { 1405d19ec05e0785152e7a520ffd4a88da4459a380aaChris Lattner Op.Class = getTokenClass(Token); 140620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar continue; 140720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar } 1408a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 14097ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner if (Token.size() > 1 && isdigit(Token[1])) { 14107ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner Op.Class = getTokenClass(Token); 14117ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner continue; 14127ad3147f98eb4e84c24629e88a7d8bb1e04df3d4Chris Lattner } 1413828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1414c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // Otherwise this is an operand reference. 14155f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner StringRef OperandName; 14165f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner if (Token[1] == '{') 14175f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner OperandName = Token.substr(2, Token.size() - 3); 14185f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner else 14195f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner OperandName = Token.substr(1); 1420828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1421c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner if (II->DefRec.is<const CodeGenInstruction*>()) 14228caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach buildInstructionOperandReference(II, OperandName, i); 1423c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner else 14248caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach buildAliasOperandReference(II, OperandName, Op); 142553a7f16dcc96de71fa46f641c59470586548081eDaniel Dunbar } 1426828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1427c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (II->DefRec.is<const CodeGenInstruction*>()) { 14288caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->buildInstructionResultOperands(); 1429c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // If the instruction has a two-operand alias, build up the 1430c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // matchable here. We'll add them in bulk at the end to avoid 1431c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // confusing this loop. 1432c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach std::string Constraint = 1433c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach II->TheDef->getValueAsString("TwoOperandAliasConstraint"); 1434c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (Constraint != "") { 1435c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Start by making a copy of the original matchable. 1436c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach OwningPtr<MatchableInfo> AliasII(new MatchableInfo(*II)); 1437c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 1438c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Adjust it to be a two-operand alias. 1439c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach AliasII->formTwoOperandAlias(Constraint); 1440c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach 1441c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach // Add the alias to the matchables list. 1442c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach NewMatchables.push_back(AliasII.take()); 1443c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } 1444c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach } else 14458caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach II->buildAliasResultOperands(); 144620927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar } 1447c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach if (!NewMatchables.empty()) 1448c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach Matchables.insert(Matchables.end(), NewMatchables.begin(), 1449c1922c72adedadb414a3d19c3f150bfe1bc755a5Jim Grosbach NewMatchables.end()); 14505fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar 1451a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach // Process token alias definitions and set up the associated superclass 1452a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach // information. 1453a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach std::vector<Record*> AllTokenAliases = 1454a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach Records.getAllDerivedDefinitions("TokenAlias"); 1455a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach for (unsigned i = 0, e = AllTokenAliases.size(); i != e; ++i) { 1456a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach Record *Rec = AllTokenAliases[i]; 1457a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach ClassInfo *FromClass = getTokenClass(Rec->getValueAsString("FromToken")); 1458a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach ClassInfo *ToClass = getTokenClass(Rec->getValueAsString("ToToken")); 145967cd20d0396a68e61858736b7943dd352f1b0d0bJim Grosbach if (FromClass == ToClass) 146067cd20d0396a68e61858736b7943dd352f1b0d0bJim Grosbach throw TGError(Rec->getLoc(), 146167cd20d0396a68e61858736b7943dd352f1b0d0bJim Grosbach "error: Destination value identical to source value."); 1462a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach FromClass->SuperClasses.push_back(ToClass); 1463a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach } 1464a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach 14657a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner // Reorder classes so that classes precede super classes. 14665fe6338ac859707f797bf6db6d043bb5f4d944a1Daniel Dunbar std::sort(Classes.begin(), Classes.end(), less_ptr<ClassInfo>()); 146720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar} 1468a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 14698caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// buildInstructionOperandReference - The specified operand is a reference to a 14700bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner/// named operand such as $src. Resolve the Class and OperandInfo pointers. 14710bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattnervoid AsmMatcherInfo:: 14728caecdea56c830f3fc80ed67fff121c83de0e364Jim GrosbachbuildInstructionOperandReference(MatchableInfo *II, 14735f4280cd2d2d1aeb527c8b161acaa1870cf6ee82Chris Lattner StringRef OperandName, 1474a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned AsmOpIdx) { 1475c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner const CodeGenInstruction &CGI = *II->DefRec.get<const CodeGenInstruction*>(); 1476c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner const CGIOperandList &Operands = CGI.Operands; 1477a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson MatchableInfo::AsmOperand *Op = &II->AsmOperands[AsmOpIdx]; 1478828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1479662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // Map this token to an operand. 14800bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner unsigned Idx; 14810bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner if (!Operands.hasOperandNamed(OperandName, Idx)) 14820bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner throw TGError(II->TheDef->getLoc(), "error: unable to find operand: '" + 14830bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner OperandName.str() + "'"); 1484ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner 1485a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // If the instruction operand has multiple suboperands, but the parser 1486a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // match class for the asm operand is still the default "ImmAsmOperand", 1487a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // then handle each suboperand separately. 1488a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (Op->SubOpIdx == -1 && Operands[Idx].MINumOperands > 1) { 1489a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *Rec = Operands[Idx].Rec; 1490a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson assert(Rec->isSubClassOf("Operand") && "Unexpected operand!"); 1491a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *MatchClass = Rec->getValueAsDef("ParserMatchClass"); 1492a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (MatchClass && MatchClass->getValueAsString("Name") == "Imm") { 1493a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Insert remaining suboperands after AsmOpIdx in II->AsmOperands. 1494a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson StringRef Token = Op->Token; // save this in case Op gets moved 1495a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for (unsigned SI = 1, SE = Operands[Idx].MINumOperands; SI != SE; ++SI) { 1496a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson MatchableInfo::AsmOperand NewAsmOp(Token); 1497a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson NewAsmOp.SubOpIdx = SI; 1498a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson II->AsmOperands.insert(II->AsmOperands.begin()+AsmOpIdx+SI, NewAsmOp); 1499a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1500a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Replace Op with first suboperand. 1501a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op = &II->AsmOperands[AsmOpIdx]; // update the pointer in case it moved 1502a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op->SubOpIdx = 0; 1503a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1504a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1505a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 1506ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // Set up the operand class. 1507a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op->Class = getOperandClass(Operands[Idx], Op->SubOpIdx); 1508ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner 1509ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // If the named operand is tied, canonicalize it to the untied operand. 1510ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // For example, something like: 1511ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // (outs GPR:$dst), (ins GPR:$src) 1512ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // with an asmstring of 1513ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // "inc $src" 1514ba3b5b638287e374d0c98fc5efdf866a3cee33b6Chris Lattner // we want to canonicalize to: 1515c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // "inc $dst" 1516c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // so that we know how to provide the $dst operand when filling in the result. 1517c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner int OITied = Operands[Idx].getTiedRegister(); 1518c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner if (OITied != -1) { 1519c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // The tied operand index is an MIOperand index, find the operand that 1520c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // contains it. 1521a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson std::pair<unsigned, unsigned> Idx = Operands.getSubOperandNumber(OITied); 1522a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson OperandName = Operands[Idx.first].Name; 1523a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op->SubOpIdx = Idx.second; 1524c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner } 1525828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1526a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op->SrcOpName = OperandName; 1527c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner} 1528c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner 15298caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// buildAliasOperandReference - When parsing an operand reference out of the 15303f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner/// matching string (e.g. "movsx $src, $dst"), determine what the class of the 15313f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner/// operand reference is by looking it up in the result pattern definition. 15328caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid AsmMatcherInfo::buildAliasOperandReference(MatchableInfo *II, 1533c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner StringRef OperandName, 1534c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner MatchableInfo::AsmOperand &Op) { 1535c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner const CodeGenInstAlias &CGA = *II->DefRec.get<const CodeGenInstAlias*>(); 1536828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1537c07bd40a649991d46c95cf6afe2c4ada4ac49f13Chris Lattner // Set up the operand class. 15383f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner for (unsigned i = 0, e = CGA.ResultOperands.size(); i != e; ++i) 153998c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner if (CGA.ResultOperands[i].isRecord() && 154098c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner CGA.ResultOperands[i].getName() == OperandName) { 1541662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // It's safe to go with the first one we find, because CodeGenInstAlias 1542662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // validates that all operands with the same name have the same record. 1543a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op.SubOpIdx = CGA.ResultInstOperandIndex[i].second; 154448c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach // Use the match class from the Alias definition, not the 154548c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach // destination instruction, as we may have an immediate that's 154648c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach // being munged by the match class. 154748c1f84b104fd32109d809a56f5ebbf461c0910cJim Grosbach Op.Class = getOperandClass(CGA.ResultOperands[i].getRecord(), 1548a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Op.SubOpIdx); 15493f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner Op.SrcOpName = OperandName; 15503f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner return; 15510bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner } 15523f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner 15533f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner throw TGError(II->TheDef->getLoc(), "error: unable to find operand: '" + 15543f2c8e474b8775aa1f3c2c0cb817b7f9f564e068Chris Lattner OperandName.str() + "'"); 15550bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner} 15560bb780c0e0cea50e6076fcb44c08caa50b7ecba7Chris Lattner 15578caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid MatchableInfo::buildInstructionResultOperands() { 1558662e5a30e864e71111b885d3da3cdd184772035dChris Lattner const CodeGenInstruction *ResultInst = getResultInst(); 1559828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1560662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // Loop over all operands of the result instruction, determining how to 1561662e5a30e864e71111b885d3da3cdd184772035dChris Lattner // populate them. 1562662e5a30e864e71111b885d3da3cdd184772035dChris Lattner for (unsigned i = 0, e = ResultInst->Operands.size(); i != e; ++i) { 1563662e5a30e864e71111b885d3da3cdd184772035dChris Lattner const CGIOperandList::OperandInfo &OpInfo = ResultInst->Operands[i]; 1564567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner 1565567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner // If this is a tied operand, just copy from the previously handled operand. 1566567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner int TiedOp = OpInfo.getTiedRegister(); 1567567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner if (TiedOp != -1) { 1568a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getTiedOp(TiedOp)); 1569567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner continue; 1570567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner } 1571828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1572a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Find out what operand from the asmparser this MCInst operand comes from. 15738caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach int SrcOperand = findAsmOperandNamed(OpInfo.Name); 1574a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (OpInfo.Name.empty() || SrcOperand == -1) 1575a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson throw TGError(TheDef->getLoc(), "Instruction '" + 1576a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson TheDef->getName() + "' has operand '" + OpInfo.Name + 1577a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson "' that doesn't appear in asm string!"); 1578567820c1e0454935ca5415ed419da63b84684cb7Chris Lattner 1579a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Check if the one AsmOperand populates the entire operand. 1580a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned NumOperands = OpInfo.MINumOperands; 1581a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (AsmOperands[SrcOperand].SubOpIdx == -1) { 1582a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getRenderedOp(SrcOperand, NumOperands)); 15831d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner continue; 15841d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 1585a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 1586a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Add a separate ResOperand for each suboperand. 1587a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for (unsigned AI = 0; AI < NumOperands; ++AI) { 1588a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson assert(AsmOperands[SrcOperand+AI].SubOpIdx == (int)AI && 1589a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson AsmOperands[SrcOperand+AI].SrcOpName == OpInfo.Name && 1590a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson "unexpected AsmOperands for suboperands"); 1591a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getRenderedOp(SrcOperand + AI, 1)); 1592a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 15931d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 15941d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner} 15951d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner 15968caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachvoid MatchableInfo::buildAliasResultOperands() { 1597414098571b19fc248fda2be194082cfd012d2729Chris Lattner const CodeGenInstAlias &CGA = *DefRec.get<const CodeGenInstAlias*>(); 1598414098571b19fc248fda2be194082cfd012d2729Chris Lattner const CodeGenInstruction *ResultInst = getResultInst(); 1599828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1600414098571b19fc248fda2be194082cfd012d2729Chris Lattner // Loop over all operands of the result instruction, determining how to 1601414098571b19fc248fda2be194082cfd012d2729Chris Lattner // populate them. 1602414098571b19fc248fda2be194082cfd012d2729Chris Lattner unsigned AliasOpNo = 0; 1603a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned LastOpNo = CGA.ResultInstOperandIndex.size(); 1604414098571b19fc248fda2be194082cfd012d2729Chris Lattner for (unsigned i = 0, e = ResultInst->Operands.size(); i != e; ++i) { 1605a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson const CGIOperandList::OperandInfo *OpInfo = &ResultInst->Operands[i]; 1606828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1607414098571b19fc248fda2be194082cfd012d2729Chris Lattner // If this is a tied operand, just copy from the previously handled operand. 1608a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int TiedOp = OpInfo->getTiedRegister(); 1609414098571b19fc248fda2be194082cfd012d2729Chris Lattner if (TiedOp != -1) { 1610a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getTiedOp(TiedOp)); 161190fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner continue; 161290fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner } 161390fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner 1614a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Handle all the suboperands for this operand. 1615a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson const std::string &OpName = OpInfo->Name; 1616a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson for ( ; AliasOpNo < LastOpNo && 1617a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson CGA.ResultInstOperandIndex[AliasOpNo].first == i; ++AliasOpNo) { 1618a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int SubIdx = CGA.ResultInstOperandIndex[AliasOpNo].second; 1619a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson 1620a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // Find out what operand from the asmparser that this MCInst operand 1621a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson // comes from. 1622a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson switch (CGA.ResultOperands[AliasOpNo].Kind) { 1623a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson case CodeGenInstAlias::ResultOperand::K_Record: { 1624a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson StringRef Name = CGA.ResultOperands[AliasOpNo].getName(); 16258caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach int SrcOperand = findAsmOperand(Name, SubIdx); 1626a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson if (SrcOperand == -1) 1627a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson throw TGError(TheDef->getLoc(), "Instruction '" + 1628a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson TheDef->getName() + "' has operand '" + OpName + 1629a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson "' that doesn't appear in asm string!"); 1630a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson unsigned NumOperands = (SubIdx == -1 ? OpInfo->MINumOperands : 1); 1631a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getRenderedOp(SrcOperand, 1632a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson NumOperands)); 1633a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson break; 1634a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1635a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson case CodeGenInstAlias::ResultOperand::K_Imm: { 1636a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson int64_t ImmVal = CGA.ResultOperands[AliasOpNo].getImm(); 1637a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getImmOp(ImmVal)); 1638a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson break; 1639a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1640a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson case CodeGenInstAlias::ResultOperand::K_Reg: { 1641a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Record *Reg = CGA.ResultOperands[AliasOpNo].getRegister(); 1642a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson ResOperands.push_back(ResOperand::getRegOp(Reg)); 1643a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson break; 1644a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 1645a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson } 164690fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner } 1647414098571b19fc248fda2be194082cfd012d2729Chris Lattner } 1648414098571b19fc248fda2be194082cfd012d2729Chris Lattner} 16491d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner 1650c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbachstatic unsigned getConverterOperandID(const std::string &Name, 1651c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach SetVector<std::string> &Table, 1652c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach bool &IsNew) { 1653c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach IsNew = Table.insert(Name); 1654c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1655c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned ID = IsNew ? Table.size() - 1 : 1656c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::find(Table.begin(), Table.end(), Name) - Table.begin(); 1657c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1658c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach assert(ID < Table.size()); 1659c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1660c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach return ID; 1661c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach} 1662c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1663c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 16648caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName, 166522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner std::vector<MatchableInfo*> &Infos, 1666606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar raw_ostream &OS) { 1667c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach SetVector<std::string> OperandConversionKinds; 1668c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach SetVector<std::string> InstructionConversionKinds; 1669c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::vector<std::vector<uint8_t> > ConversionTable; 1670c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach size_t MaxRowLength = 2; // minimum is custom converter plus terminator. 1671c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1672c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // TargetOperandClass - This is the target's operand class, like X86Operand. 1673c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string TargetOperandClass = Target.getName() + "Operand"; 1674c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1675b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar // Write the convert function to a separate stream, so we can drop it after 1676c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // the enum. We'll build up the conversion handlers for the individual 1677c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // operand types opportunistically as we encounter them. 1678b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar std::string ConvertFnBody; 1679b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar raw_string_ostream CvtOS(ConvertFnBody); 1680b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar // Start the unified conversion function. 1681359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier CvtOS << "void " << Target.getName() << ClassName << "::\n" 1682c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << "ConvertToMCInst(unsigned Kind, MCInst &Inst, " 1683b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar << "unsigned Opcode,\n" 168404508c6cb734ab1119a076f94b1c9fe8c4240b7dChad Rosier << " const SmallVectorImpl<MCParsedAsmOperand*" 1685c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << "> &Operands) {\n" 1686359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier << " assert(Kind < CVT_NUM_SIGNATURES && \"Invalid signature!\");\n" 1687c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " uint8_t *Converter = ConversionTable[Kind];\n" 1688c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " Inst.setOpcode(Opcode);\n" 1689c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " for (uint8_t *p = Converter; *p; p+= 2) {\n" 1690c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " switch (*p) {\n" 1691c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " default: llvm_unreachable(\"invalid conversion entry!\");\n" 1692c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " case CVT_Reg:\n" 1693c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " static_cast<" << TargetOperandClass 1694c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << "*>(Operands[*(p + 1)])->addRegOperands(Inst, 1);\n" 1695c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n" 1696c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " case CVT_Tied:\n" 1697c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " Inst.addOperand(Inst.getOperand(*(p + 1)));\n" 1698c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n"; 1699c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 170062316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier std::string OperandFnBody; 170162316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier raw_string_ostream OpOS(OperandFnBody); 170262316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // Start the operand number lookup function. 170387d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier OpOS << "unsigned " << Target.getName() << ClassName << "::\n" 170462316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << "GetMCInstOperandNum(unsigned Kind, MCInst &Inst,\n" 170587d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier << " const SmallVectorImpl<MCParsedAsmOperand*> " 170687d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier << "&Operands,\n unsigned OperandNum) {\n" 1707359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier << " assert(Kind < CVT_NUM_SIGNATURES && \"Invalid signature!\");\n" 170887d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier << " unsigned MCOperandNum = 0;\n" 170962316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " uint8_t *Converter = ConversionTable[Kind];\n" 171062316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " for (uint8_t *p = Converter; *p; p+= 2) {\n" 171162316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " if (*(p + 1) > OperandNum) continue;\n" 171262316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " switch (*p) {\n" 171362316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " default: llvm_unreachable(\"invalid conversion entry!\");\n" 171462316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " case CVT_Reg:\n" 171562316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " ++MCOperandNum;\n" 171662316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n" 171762316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " case CVT_Tied:\n" 171862316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " //Inst.getOperand(*(p + 1)));\n" 171962316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n"; 1720c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1721c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Pre-populate the operand conversion kinds with the standard always 1722c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // available entries. 1723c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OperandConversionKinds.insert("CVT_Done"); 1724c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OperandConversionKinds.insert("CVT_Reg"); 1725c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OperandConversionKinds.insert("CVT_Tied"); 1726c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach enum { CVT_Done, CVT_Reg, CVT_Tied }; 1727a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 172822bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::const_iterator it = Infos.begin(), 172920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar ie = Infos.end(); it != ie; ++it) { 173022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo &II = **it; 173120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 1732cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar // Check if we have a custom match function. 173327b83d4ff2264d9a0e2367d92543efe4c0148931Daniel Dunbar std::string AsmMatchConverter = 173427b83d4ff2264d9a0e2367d92543efe4c0148931Daniel Dunbar II.getResultInst()->TheDef->getValueAsString("AsmMatchConverter"); 1735cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar if (!AsmMatchConverter.empty()) { 173627b83d4ff2264d9a0e2367d92543efe4c0148931Daniel Dunbar std::string Signature = "ConvertCustom_" + AsmMatchConverter; 1737cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar II.ConversionFnKind = Signature; 1738cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar 1739cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar // Check if we have already generated this signature. 1740c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!InstructionConversionKinds.insert(Signature)) 1741cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar continue; 1742cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar 1743c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Remember this converter for the kind enum. 1744c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned KindID = OperandConversionKinds.size(); 1745c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OperandConversionKinds.insert("CVT_" + AsmMatchConverter); 1746c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1747c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the converter row for this instruction. 1748c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionTable.push_back(std::vector<uint8_t>()); 1749c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionTable.back().push_back(KindID); 1750c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionTable.back().push_back(CVT_Done); 1751cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar 1752c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the handler to the conversion driver function. 1753c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach CvtOS << " case CVT_" << AsmMatchConverter << ":\n" 1754756d2cc2f7f6745603fdc0ec1ed4476d06385845Chad Rosier << " " << AsmMatchConverter << "(Inst, Operands);\n" 1755359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier << " break;\n"; 1756c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 175762316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // FIXME: Handle the operand number lookup for custom match functions. 1758cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar continue; 1759cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar } 1760cf12067ae08dc7911c860070eaf2830dc1dc4ff7Daniel Dunbar 176120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar // Build the conversion function signature. 176220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar std::string Signature = "Convert"; 1763c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1764c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::vector<uint8_t> ConversionRow; 1765828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1766dda855de8b3c60bce5d1d0d9eb11470c9710e30fChris Lattner // Compute the convert enum and the case body. 1767c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach MaxRowLength = std::max(MaxRowLength, II.ResOperands.size()*2 + 1 ); 1768c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 17691d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner for (unsigned i = 0, e = II.ResOperands.size(); i != e; ++i) { 17701d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner const MatchableInfo::ResOperand &OpInfo = II.ResOperands[i]; 17711d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner 17721d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner // Generate code to populate each result operand. 17731d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner switch (OpInfo.Kind) { 17741d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner case MatchableInfo::ResOperand::RenderAsmOperand: { 17751d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner // This comes from something we parsed. 17761d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner MatchableInfo::AsmOperand &Op = II.AsmOperands[OpInfo.AsmOperandNum]; 1777828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 17789b0d4bfca0f23d39f5f2aef6b6740267a26ee17cChris Lattner // Registers are always converted the same, don't duplicate the 17799b0d4bfca0f23d39f5f2aef6b6740267a26ee17cChris Lattner // conversion function based on them. 17809b0d4bfca0f23d39f5f2aef6b6740267a26ee17cChris Lattner Signature += "__"; 1781c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Class; 1782c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Class = Op.Class->isRegisterClass() ? "Reg" : Op.Class->ClassName; 1783c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Signature += Class; 1784a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson Signature += utostr(OpInfo.MINumOperands); 17851d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner Signature += "_" + itostr(OpInfo.AsmOperandNum); 1786828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1787c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the conversion kind, if necessary, and get the associated ID 1788c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // the index of its entry in the vector). 1789c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Name = "CVT_" + (Op.Class->isRegisterClass() ? "Reg" : 1790c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Op.Class->RenderMethod); 1791c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1792c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach bool IsNewConverter = false; 1793c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned ID = getConverterOperandID(Name, OperandConversionKinds, 1794c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach IsNewConverter); 1795c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1796c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the operand entry to the instruction kind conversion row. 1797c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(ID); 1798c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(OpInfo.AsmOperandNum + 1); 1799c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1800c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!IsNewConverter) 1801c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach break; 1802c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1803c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // This is a new operand kind. Add a handler for it to the 1804c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // converter driver. 1805c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach CvtOS << " case " << Name << ":\n" 1806c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " static_cast<" << TargetOperandClass 1807c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << "*>(Operands[*(p + 1)])->" 1808c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << Op.Class->RenderMethod << "(Inst, " << OpInfo.MINumOperands 1809c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << ");\n" 1810c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n"; 181162316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier 181262316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // Add a handler for the operand number lookup. 181362316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier OpOS << " case " << Name << ":\n" 181462316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " MCOperandNum += " << OpInfo.MINumOperands << ";\n" 181562316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n"; 18161d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner break; 18171d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 18181d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner case MatchableInfo::ResOperand::TiedOperand: { 18191d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner // If this operand is tied to a previous one, just copy the MCInst 18201d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner // operand from the earlier one.We can only tie single MCOperand values. 1821a49c7dfb360154070c08b8eb94ad31711d1babaeBob Wilson //assert(OpInfo.MINumOperands == 1 && "Not a singular MCOperand"); 18221d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner unsigned TiedOp = OpInfo.TiedOperandNum; 18237a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner assert(i > TiedOp && "Tied operand precedes its target!"); 18241d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner Signature += "__Tie" + utostr(TiedOp); 1825c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(CVT_Tied); 1826c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(TiedOp); 182762316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // FIXME: Handle the operand number lookup for tied operands. 18281d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner break; 18291d13bda737bad3e0cea28cbd65a221ab27abdb9bChris Lattner } 183098c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner case MatchableInfo::ResOperand::ImmOperand: { 183198c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner int64_t Val = OpInfo.ImmVal; 1832c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Ty = "imm_" + itostr(Val); 1833c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Signature += "__" + Ty; 1834c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1835c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Name = "CVT_" + Ty; 1836c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach bool IsNewConverter = false; 1837c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned ID = getConverterOperandID(Name, OperandConversionKinds, 1838c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach IsNewConverter); 1839c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the operand entry to the instruction kind conversion row. 1840c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(ID); 1841c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(0); 1842c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1843c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!IsNewConverter) 1844c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach break; 1845c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1846c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach CvtOS << " case " << Name << ":\n" 1847c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " Inst.addOperand(MCOperand::CreateImm(" << Val << "));\n" 1848c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n"; 1849c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 185062316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier OpOS << " case " << Name << ":\n" 185162316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " ++MCOperandNum;\n" 185262316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n"; 185398c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner break; 185498c870f87b7f0c996a9ba67003d88d434d6dbcd0Chris Lattner } 185590fd797dc739319347861d4f3984bc8952ae9a29Chris Lattner case MatchableInfo::ResOperand::RegOperand: { 1856c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach std::string Reg, Name; 1857dc1a2bd3aa199693413f39dd723cc14a77e9f131Bob Wilson if (OpInfo.Register == 0) { 1858c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Name = "reg0"; 1859c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Reg = "0"; 1860dc1a2bd3aa199693413f39dd723cc14a77e9f131Bob Wilson } else { 1861c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Reg = getQualifiedName(OpInfo.Register); 1862c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Name = "reg" + OpInfo.Register->getName(); 1863dc1a2bd3aa199693413f39dd723cc14a77e9f131Bob Wilson } 1864c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Signature += "__" + Name; 1865c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Name = "CVT_" + Name; 1866c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach bool IsNewConverter = false; 1867c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach unsigned ID = getConverterOperandID(Name, OperandConversionKinds, 1868c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach IsNewConverter); 1869c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the operand entry to the instruction kind conversion row. 1870c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(ID); 1871c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionRow.push_back(0); 1872c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1873c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!IsNewConverter) 1874c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach break; 1875c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach CvtOS << " case " << Name << ":\n" 1876c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " Inst.addOperand(MCOperand::CreateReg(" << Reg << "));\n" 1877c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << " break;\n"; 187862316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier 187962316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier OpOS << " case " << Name << ":\n" 188062316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " ++MCOperandNum;\n" 188162316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier << " break;\n"; 1882828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson } 1883af61681cedb42a0e9f84560316d74f4ddeb2d2b6Daniel Dunbar } 18849b0d4bfca0f23d39f5f2aef6b6740267a26ee17cChris Lattner } 1885828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 1886c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // If there were no operands, add to the signature to that effect 1887c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (Signature == "Convert") 1888c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach Signature += "_NoOperands"; 1889c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1890b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar II.ConversionFnKind = Signature; 1891a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 1892c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Save the signature. If we already have it, don't add a new row 1893c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // to the table. 1894c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach if (!InstructionConversionKinds.insert(Signature)) 189520927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar continue; 1896a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 1897c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Add the row to the table. 1898c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach ConversionTable.push_back(ConversionRow); 1899a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar } 1900b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar 1901c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Finish up the converter driver function. 1902ad2d3e637a3a9eb368e71a1672331ee5e7809fe8Chad Rosier CvtOS << " }\n }\n}\n\n"; 1903b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar 190462316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // Finish up the operand number lookup function. 190587d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier OpOS << " }\n }\n return MCOperandNum;\n}\n\n"; 190662316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier 1907c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "namespace {\n"; 1908b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar 1909c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Output the operand conversion kind enum. 1910c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "enum OperatorConversionKind {\n"; 1911c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach for (unsigned i = 0, e = OperandConversionKinds.size(); i != e; ++i) 1912c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " " << OperandConversionKinds[i] << ",\n"; 1913c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " CVT_NUM_CONVERTERS\n"; 1914c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "};\n\n"; 1915b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar 1916c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Output the instruction conversion kind enum. 1917c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "enum InstructionConversionKind {\n"; 1918c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach for (SetVector<std::string>::const_iterator 1919c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach i = InstructionConversionKinds.begin(), 1920c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach e = InstructionConversionKinds.end(); i != e; ++i) 1921c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " " << *i << ",\n"; 1922c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " CVT_NUM_SIGNATURES\n"; 1923b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar OS << "};\n\n"; 1924a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 1925c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1926c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "} // end anonymous namespace\n\n"; 1927c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1928c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Output the conversion table. 1929c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "static uint8_t ConversionTable[CVT_NUM_SIGNATURES][" 1930c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << MaxRowLength << "] = {\n"; 1931c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1932c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach for (unsigned Row = 0, ERow = ConversionTable.size(); Row != ERow; ++Row) { 1933c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach assert(ConversionTable[Row].size() % 2 == 0 && "bad conversion row!"); 1934c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " // " << InstructionConversionKinds[Row] << "\n"; 1935c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << " { "; 1936c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach for (unsigned i = 0, e = ConversionTable[Row].size(); i != e; i += 2) 1937c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << OperandConversionKinds[ConversionTable[Row][i]] << ", " 1938c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach << (unsigned)(ConversionTable[Row][i + 1]) << ", "; 1939c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "CVT_Done },\n"; 1940c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach } 1941c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1942c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach OS << "};\n\n"; 1943c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 1944c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach // Spit out the conversion driver function. 1945b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar OS << CvtOS.str(); 1946c8f267f66931c4358f11a2934e8b6234d9b7f0bdJim Grosbach 194762316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier // Spit out the operand number lookup function. 194862316fa00a342bdb618e4c020c8e8606f541db92Chad Rosier OS << OpOS.str(); 194920927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar} 195020927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 19518caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitMatchClassEnumeration - Emit the enumeration for match class kinds. 19528caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitMatchClassEnumeration(CodeGenTarget &Target, 1953a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar std::vector<ClassInfo*> &Infos, 1954a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar raw_ostream &OS) { 1955a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "namespace {\n\n"; 1956a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 1957a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "/// MatchClassKind - The kinds of classes which participate in\n" 1958a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar << "/// instruction matching.\n"; 1959a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "enum MatchClassKind {\n"; 1960a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " InvalidMatchClass = 0,\n"; 1961a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<ClassInfo*>::iterator it = Infos.begin(), 1962a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ie = Infos.end(); it != ie; ++it) { 1963a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ClassInfo &CI = **it; 1964a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " " << CI.Name << ", // "; 1965a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar if (CI.Kind == ClassInfo::Token) { 1966a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "'" << CI.ValueName << "'\n"; 1967ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar } else if (CI.isRegisterClass()) { 1968a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar if (!CI.ValueName.empty()) 1969a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "register class '" << CI.ValueName << "'\n"; 1970a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar else 1971a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "derived register class\n"; 1972a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } else { 1973a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "user defined class '" << CI.ValueName << "'\n"; 1974a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 1975a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 1976a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " NumMatchClassKinds\n"; 1977a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "};\n\n"; 1978a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 1979a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "}\n\n"; 1980a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar} 1981a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 19828caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitValidateOperandClass - Emit the function to validate an operand class. 19838caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitValidateOperandClass(AsmMatcherInfo &Info, 1984b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach raw_ostream &OS) { 19854dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "static unsigned validateOperandClass(MCParsedAsmOperand *GOp, " 1986b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach << "MatchClassKind Kind) {\n"; 1987b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " " << Info.Target.getName() << "Operand &Operand = *(" 198802bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner << Info.Target.getName() << "Operand*)GOp;\n"; 1989ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 1990893818347e9d7b34ea99ae9c984934c9b6bf92daKevin Enderby // The InvalidMatchClass is not to match any operand. 1991893818347e9d7b34ea99ae9c984934c9b6bf92daKevin Enderby OS << " if (Kind == InvalidMatchClass)\n"; 19924dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return MCTargetAsmParser::Match_InvalidOperand;\n\n"; 1993893818347e9d7b34ea99ae9c984934c9b6bf92daKevin Enderby 1994b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach // Check for Token operands first. 19954dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // FIXME: Use a more specific diagnostic type. 1996a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " if (Operand.isToken())\n"; 19974dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return isSubclass(matchTokenString(Operand.getToken()), Kind) ?\n" 19984dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach << " MCTargetAsmParser::Match_Success :\n" 19994dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach << " MCTargetAsmParser::Match_InvalidOperand;\n\n"; 2000ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar 2001b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach // Check the user classes. We don't care what order since we're only 2002b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach // actually matching against one of them. 2003a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<ClassInfo*>::iterator it = Info.Classes.begin(), 2004ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar ie = Info.Classes.end(); it != ie; ++it) { 2005a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar ClassInfo &CI = **it; 2006a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 2007ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar if (!CI.isUserClass()) 2008ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar continue; 2009828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2010b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " // '" << CI.ClassName << "' class\n"; 20114dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " if (Kind == " << CI.Name << ") {\n"; 20124dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " if (Operand." << CI.PredicateMethod << "())\n"; 20134dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return MCTargetAsmParser::Match_Success;\n"; 20144dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach if (!CI.DiagnosticType.empty()) 20154dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return " << Info.Target.getName() << "AsmParser::Match_" 20164dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach << CI.DiagnosticType << ";\n"; 2017ea6408f8cd17b065e414611e01a7133d118429e9Daniel Dunbar OS << " }\n\n"; 2018a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 2019828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2020b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson // Check for register operands, including sub-classes. 2021b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " if (Operand.isReg()) {\n"; 2022b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " MatchClassKind OpKind;\n"; 2023b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " switch (Operand.getReg()) {\n"; 2024b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " default: OpKind = InvalidMatchClass; break;\n"; 2025b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson for (std::map<Record*, ClassInfo*>::iterator 2026b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson it = Info.RegisterClasses.begin(), ie = Info.RegisterClasses.end(); 2027b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson it != ie; ++it) 2028b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " case " << Info.Target.getName() << "::" 2029b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson << it->first->getName() << ": OpKind = " << it->second->Name 2030b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson << "; break;\n"; 2031b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " }\n"; 2032b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson OS << " return isSubclass(OpKind, Kind) ? " 2033b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson << "MCTargetAsmParser::Match_Success :\n " 2034b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson << " MCTargetAsmParser::Match_InvalidOperand;\n }\n\n"; 2035b885dc8d39fd5ffe4be01059ca6d8977374db02fOwen Anderson 20364dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Generic fallthrough match failure case for operands that don't have 20374dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // specialized diagnostic types. 20384dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " return MCTargetAsmParser::Match_InvalidOperand;\n"; 2039a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "}\n\n"; 2040a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar} 2041a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 20428caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitIsSubclass - Emit the subclass predicate function. 20438caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitIsSubclass(CodeGenTarget &Target, 2044fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar std::vector<ClassInfo*> &Infos, 2045fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar raw_ostream &OS) { 20463d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "/// isSubclass - Compute whether \\arg A is a subclass of \\arg B.\n"; 20473d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "static bool isSubclass(MatchClassKind A, MatchClassKind B) {\n"; 2048fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " if (A == B)\n"; 2049fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " return true;\n\n"; 2050fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2051fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " switch (A) {\n"; 2052fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " default:\n"; 2053fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " return false;\n"; 2054a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<ClassInfo*>::iterator it = Infos.begin(), 2055fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar ie = Infos.end(); it != ie; ++it) { 2056fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar ClassInfo &A = **it; 2057fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2058a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach std::vector<StringRef> SuperClasses; 2059a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach for (std::vector<ClassInfo*>::iterator it = Infos.begin(), 2060a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach ie = Infos.end(); it != ie; ++it) { 2061a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach ClassInfo &B = **it; 2062fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2063a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach if (&A != &B && A.isSubsetOf(B)) 2064a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach SuperClasses.push_back(B.Name); 2065a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach } 2066fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2067a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach if (SuperClasses.empty()) 2068a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach continue; 2069fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2070a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << "\n case " << A.Name << ":\n"; 2071fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2072a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach if (SuperClasses.size() == 1) { 2073a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " return B == " << SuperClasses.back() << ";\n"; 2074a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach continue; 2075fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar } 2076a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach 2077a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " switch (B) {\n"; 2078a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " default: return false;\n"; 2079a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i) 2080a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " case " << SuperClasses[i] << ": return true;\n"; 2081a66512e59142f36ae653460891c058d5e78e07e3Jim Grosbach OS << " }\n"; 2082fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar } 2083fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << " }\n"; 2084fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar OS << "}\n\n"; 2085fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar} 2086fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 20878caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitMatchTokenString - Emit the function to match a token string to the 2088245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar/// appropriate match class value. 20898caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitMatchTokenString(CodeGenTarget &Target, 2090245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar std::vector<ClassInfo*> &Infos, 2091245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar raw_ostream &OS) { 2092245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar // Construct the match list. 20935845e5c62b42d025557765006515156691a6a8b1Chris Lattner std::vector<StringMatcher::StringPair> Matches; 2094a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach for (std::vector<ClassInfo*>::iterator it = Infos.begin(), 2095245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar ie = Infos.end(); it != ie; ++it) { 2096245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar ClassInfo &CI = **it; 2097245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 2098245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar if (CI.Kind == ClassInfo::Token) 20995845e5c62b42d025557765006515156691a6a8b1Chris Lattner Matches.push_back(StringMatcher::StringPair(CI.ValueName, 21005845e5c62b42d025557765006515156691a6a8b1Chris Lattner "return " + CI.Name + ";")); 2101245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar } 2102245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 21033d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "static MatchClassKind matchTokenString(StringRef Name) {\n"; 2104245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 21055845e5c62b42d025557765006515156691a6a8b1Chris Lattner StringMatcher("Name", Matches, OS).Emit(); 2106245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 2107245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar OS << " return InvalidMatchClass;\n"; 2108245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar OS << "}\n\n"; 2109245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar} 211070add884e4967f511e2cbb35c61534186b9b418aChris Lattner 21118caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitMatchRegisterName - Emit the function to match a string to the target 21122234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar/// specific register enum. 21138caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitMatchRegisterName(CodeGenTarget &Target, Record *AsmParser, 21142234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar raw_ostream &OS) { 2115245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar // Construct the match list. 21165845e5c62b42d025557765006515156691a6a8b1Chris Lattner std::vector<StringMatcher::StringPair> Matches; 2117abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen const std::vector<CodeGenRegister*> &Regs = 2118abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen Target.getRegBank().getRegisters(); 2119abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen for (unsigned i = 0, e = Regs.size(); i != e; ++i) { 2120abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen const CodeGenRegister *Reg = Regs[i]; 2121abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen if (Reg->TheDef->getValueAsString("AsmName").empty()) 212220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar continue; 212320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 21245845e5c62b42d025557765006515156691a6a8b1Chris Lattner Matches.push_back(StringMatcher::StringPair( 2125abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen Reg->TheDef->getValueAsString("AsmName"), 2126abdbc84b4ed4276ed3def50f554e3ba156325717Jakob Stoklund Olesen "return " + utostr(Reg->EnumValue) + ";")); 212720927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar } 2128a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2129b8d6e98e566724f58344d275a4bd675249bb713aChris Lattner OS << "static unsigned MatchRegisterName(StringRef Name) {\n"; 2130245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar 21315845e5c62b42d025557765006515156691a6a8b1Chris Lattner StringMatcher("Name", Matches, OS).Emit(); 2132a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2133245f05843f7f17406f394696e7330950e6d88e6dDaniel Dunbar OS << " return 0;\n"; 213420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar OS << "}\n\n"; 21352234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar} 21362234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar 21378caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitSubtargetFeatureFlagEnumeration - Emit the subtarget feature flag 213854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar/// definitions. 21398caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitSubtargetFeatureFlagEnumeration(AsmMatcherInfo &Info, 214054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar raw_ostream &OS) { 214154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "// Flags for subtarget features that participate in " 214254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar << "instruction matching.\n"; 214354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "enum SubtargetFeatureFlag {\n"; 214454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar for (std::map<Record*, SubtargetFeatureInfo*>::const_iterator 214554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar it = Info.SubtargetFeatures.begin(), 214654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar ie = Info.SubtargetFeatures.end(); it != ie; ++it) { 214754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar SubtargetFeatureInfo &SFI = *it->second; 21480aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner OS << " " << SFI.getEnumName() << " = (1 << " << SFI.Index << "),\n"; 214954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar } 215054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " Feature_None = 0\n"; 215154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "};\n\n"; 215254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar} 215354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 21544dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach/// emitOperandDiagnosticTypes - Emit the operand matching diagnostic types. 21554dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbachstatic void emitOperandDiagnosticTypes(AsmMatcherInfo &Info, raw_ostream &OS) { 21564dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Get the set of diagnostic types from all of the operand classes. 21574dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach std::set<StringRef> Types; 21584dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach for (std::map<Record*, ClassInfo*>::const_iterator 21594dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach I = Info.AsmOperandClasses.begin(), 21604dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach E = Info.AsmOperandClasses.end(); I != E; ++I) { 21614dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach if (!I->second->DiagnosticType.empty()) 21624dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach Types.insert(I->second->DiagnosticType); 21634dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach } 21644dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 21654dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach if (Types.empty()) return; 21664dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 21674dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Now emit the enum entries. 21684dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach for (std::set<StringRef>::const_iterator I = Types.begin(), E = Types.end(); 21694dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach I != E; ++I) 21704dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " Match_" << *I << ",\n"; 21714dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " END_OPERAND_DIAGNOSTIC_TYPES\n"; 21724dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach} 21734dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 217414ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach/// emitGetSubtargetFeatureName - Emit the helper function to get the 217514ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach/// user-level name for a subtarget feature. 217614ce6fac242228dacc5c08040e544141a96880e5Jim Grosbachstatic void emitGetSubtargetFeatureName(AsmMatcherInfo &Info, raw_ostream &OS) { 217714ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach OS << "// User-level names for subtarget features that participate in\n" 217814ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach << "// instruction matching.\n" 217914ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach << "static const char *getSubtargetFeatureName(unsigned Val) {\n" 218014ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach << " switch(Val) {\n"; 218114ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach for (std::map<Record*, SubtargetFeatureInfo*>::const_iterator 218214ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach it = Info.SubtargetFeatures.begin(), 218314ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach ie = Info.SubtargetFeatures.end(); it != ie; ++it) { 218414ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach SubtargetFeatureInfo &SFI = *it->second; 218514ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach // FIXME: Totally just a placeholder name to get the algorithm working. 218614ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach OS << " case " << SFI.getEnumName() << ": return \"" 218714ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach << SFI.TheDef->getValueAsString("PredicateName") << "\";\n"; 218814ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach } 218914ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach OS << " default: return \"(unknown)\";\n"; 219014ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach OS << " }\n}\n\n"; 219114ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach} 219214ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach 21938caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitComputeAvailableFeatures - Emit the function to compute the list of 219454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar/// available features given a subtarget. 21958caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitComputeAvailableFeatures(AsmMatcherInfo &Info, 219654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar raw_ostream &OS) { 219754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar std::string ClassName = 219854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar Info.AsmParser->getValueAsString("AsmParserClassName"); 219954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 220002bcbc97fbf55803c660729aa9d2c154a2101331Chris Lattner OS << "unsigned " << Info.Target.getName() << ClassName << "::\n" 2201ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng << "ComputeAvailableFeatures(uint64_t FB) const {\n"; 220254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " unsigned Features = 0;\n"; 220354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar for (std::map<Record*, SubtargetFeatureInfo*>::const_iterator 220454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar it = Info.SubtargetFeatures.begin(), 220554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar ie = Info.SubtargetFeatures.end(); it != ie; ++it) { 220654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar SubtargetFeatureInfo &SFI = *it->second; 2207ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2208ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " if ("; 220965da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach std::string CondStorage = 221065da6fc8af561e77620bd86b83be8ca50acfdd30Jim Grosbach SFI.TheDef->getValueAsString("AssemblerCondString"); 2211fbc38d2c16bc2fb923efdbbd6035ec8233fb4856Evan Cheng StringRef Conds = CondStorage; 2212ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng std::pair<StringRef,StringRef> Comma = Conds.split(','); 2213ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng bool First = true; 2214ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng do { 2215ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng if (!First) 2216ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " && "; 2217ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2218ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng bool Neg = false; 2219ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng StringRef Cond = Comma.first; 2220ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng if (Cond[0] == '!') { 2221ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng Neg = true; 2222ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng Cond = Cond.substr(1); 2223ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng } 2224ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2225ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << "((FB & " << Info.Target.getName() << "::" << Cond << ")"; 2226ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng if (Neg) 2227ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " == 0"; 2228ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng else 2229ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " != 0"; 2230ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << ")"; 2231ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2232ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng if (Comma.second.empty()) 2233ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng break; 2234ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2235ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng First = false; 2236ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng Comma = Comma.second.split(','); 2237ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng } while (true); 2238ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng 2239ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << ")\n"; 22400aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner OS << " Features |= " << SFI.getEnumName() << ";\n"; 224154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar } 224254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " return Features;\n"; 224354074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "}\n\n"; 224454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar} 224554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 22466fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattnerstatic std::string GetAliasRequiredFeatures(Record *R, 22476fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner const AsmMatcherInfo &Info) { 2248693173feefaa326fad0e386470846fb3199ba381Chris Lattner std::vector<Record*> ReqFeatures = R->getValueAsListOfDefs("Predicates"); 2249693173feefaa326fad0e386470846fb3199ba381Chris Lattner std::string Result; 2250693173feefaa326fad0e386470846fb3199ba381Chris Lattner unsigned NumFeatures = 0; 2251693173feefaa326fad0e386470846fb3199ba381Chris Lattner for (unsigned i = 0, e = ReqFeatures.size(); i != e; ++i) { 22524a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner SubtargetFeatureInfo *F = Info.getSubtargetFeature(ReqFeatures[i]); 2253828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 22544a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner if (F == 0) 22554a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner throw TGError(R->getLoc(), "Predicate '" + ReqFeatures[i]->getName() + 22564a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner "' is not marked as an AssemblerPredicate!"); 2257828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 22584a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner if (NumFeatures) 22594a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner Result += '|'; 2260828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 22614a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner Result += F->getEnumName(); 22624a74ee7203d119232d9c6df33946c01611e433f8Chris Lattner ++NumFeatures; 2263693173feefaa326fad0e386470846fb3199ba381Chris Lattner } 2264828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2265693173feefaa326fad0e386470846fb3199ba381Chris Lattner if (NumFeatures > 1) 2266693173feefaa326fad0e386470846fb3199ba381Chris Lattner Result = '(' + Result + ')'; 2267693173feefaa326fad0e386470846fb3199ba381Chris Lattner return Result; 2268693173feefaa326fad0e386470846fb3199ba381Chris Lattner} 2269693173feefaa326fad0e386470846fb3199ba381Chris Lattner 22708caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach/// emitMnemonicAliases - If the target has any MnemonicAlias<> definitions, 22717fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner/// emit a function for them and return true, otherwise return false. 22728caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic bool emitMnemonicAliases(raw_ostream &OS, const AsmMatcherInfo &Info) { 2273c0a7007d3a6a7bb31eec568b9dfdb8fb137702e5Daniel Dunbar // Ignore aliases when match-prefix is set. 2274c0a7007d3a6a7bb31eec568b9dfdb8fb137702e5Daniel Dunbar if (!MatchPrefix.empty()) 2275c0a7007d3a6a7bb31eec568b9dfdb8fb137702e5Daniel Dunbar return false; 2276c0a7007d3a6a7bb31eec568b9dfdb8fb137702e5Daniel Dunbar 2277674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner std::vector<Record*> Aliases = 227867db883487fca3472fdde51e931657e22d4d0495Chris Lattner Info.getRecords().getAllDerivedDefinitions("MnemonicAlias"); 22797fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner if (Aliases.empty()) return false; 2280674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner 22813d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "static void applyMnemonicAliases(StringRef &Mnemonic, " 22828cc0a6b788a17b3afc779e9da90f5203c8b78436Chris Lattner "unsigned Features) {\n"; 2283828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 22844fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner // Keep track of all the aliases from a mnemonic. Use an std::map so that the 22854fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner // iteration order of the map is stable. 22864fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner std::map<std::string, std::vector<Record*> > AliasesFromMnemonic; 2287828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2288674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner for (unsigned i = 0, e = Aliases.size(); i != e; ++i) { 2289674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner Record *R = Aliases[i]; 22904fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner AliasesFromMnemonic[R->getValueAsString("FromMnemonic")].push_back(R); 22914fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner } 22924fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner 22934fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner // Process each alias a "from" mnemonic at a time, building the code executed 22944fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner // by the string remapper. 22954fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner std::vector<StringMatcher::StringPair> Cases; 22964fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner for (std::map<std::string, std::vector<Record*> >::iterator 22974fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner I = AliasesFromMnemonic.begin(), E = AliasesFromMnemonic.end(); 22984fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner I != E; ++I) { 22994fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner const std::vector<Record*> &ToVec = I->second; 2300693173feefaa326fad0e386470846fb3199ba381Chris Lattner 2301693173feefaa326fad0e386470846fb3199ba381Chris Lattner // Loop through each alias and emit code that handles each case. If there 2302693173feefaa326fad0e386470846fb3199ba381Chris Lattner // are two instructions without predicates, emit an error. If there is one, 2303693173feefaa326fad0e386470846fb3199ba381Chris Lattner // emit it last. 2304693173feefaa326fad0e386470846fb3199ba381Chris Lattner std::string MatchCode; 2305693173feefaa326fad0e386470846fb3199ba381Chris Lattner int AliasWithNoPredicate = -1; 2306828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2307693173feefaa326fad0e386470846fb3199ba381Chris Lattner for (unsigned i = 0, e = ToVec.size(); i != e; ++i) { 2308693173feefaa326fad0e386470846fb3199ba381Chris Lattner Record *R = ToVec[i]; 23096fa152c8fb3f36456955fbdf9e95e365f3e21ec8Chris Lattner std::string FeatureMask = GetAliasRequiredFeatures(R, Info); 2310828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2311693173feefaa326fad0e386470846fb3199ba381Chris Lattner // If this unconditionally matches, remember it for later and diagnose 2312693173feefaa326fad0e386470846fb3199ba381Chris Lattner // duplicates. 2313693173feefaa326fad0e386470846fb3199ba381Chris Lattner if (FeatureMask.empty()) { 2314693173feefaa326fad0e386470846fb3199ba381Chris Lattner if (AliasWithNoPredicate != -1) { 2315693173feefaa326fad0e386470846fb3199ba381Chris Lattner // We can't have two aliases from the same mnemonic with no predicate. 2316693173feefaa326fad0e386470846fb3199ba381Chris Lattner PrintError(ToVec[AliasWithNoPredicate]->getLoc(), 2317693173feefaa326fad0e386470846fb3199ba381Chris Lattner "two MnemonicAliases with the same 'from' mnemonic!"); 23184164f6bbbf4ebce676e8a6c0a0cf7a78ef46a0f3Chris Lattner throw TGError(R->getLoc(), "this is the other MnemonicAlias."); 2319693173feefaa326fad0e386470846fb3199ba381Chris Lattner } 2320828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2321693173feefaa326fad0e386470846fb3199ba381Chris Lattner AliasWithNoPredicate = i; 2322693173feefaa326fad0e386470846fb3199ba381Chris Lattner continue; 2323693173feefaa326fad0e386470846fb3199ba381Chris Lattner } 23246ef6ceda6883d0ee543d8da86d16b0fcdcecab96Joerg Sonnenberger if (R->getValueAsString("ToMnemonic") == I->first) 23256ef6ceda6883d0ee543d8da86d16b0fcdcecab96Joerg Sonnenberger throw TGError(R->getLoc(), "MnemonicAlias to the same string"); 2326828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 23278cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner if (!MatchCode.empty()) 23288cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner MatchCode += "else "; 2329693173feefaa326fad0e386470846fb3199ba381Chris Lattner MatchCode += "if ((Features & " + FeatureMask + ") == "+FeatureMask+")\n"; 2330693173feefaa326fad0e386470846fb3199ba381Chris Lattner MatchCode += " Mnemonic = \"" +R->getValueAsString("ToMnemonic")+"\";\n"; 2331693173feefaa326fad0e386470846fb3199ba381Chris Lattner } 2332828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2333693173feefaa326fad0e386470846fb3199ba381Chris Lattner if (AliasWithNoPredicate != -1) { 2334693173feefaa326fad0e386470846fb3199ba381Chris Lattner Record *R = ToVec[AliasWithNoPredicate]; 23358cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner if (!MatchCode.empty()) 23368cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner MatchCode += "else\n "; 23378cf8bcc40c977713e51fb85fb9f24a0ecfbde24bChris Lattner MatchCode += "Mnemonic = \"" + R->getValueAsString("ToMnemonic")+"\";\n"; 23384fd32c66481c107a4f32cbec0c3017d9c6154a93Chris Lattner } 2339828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2340693173feefaa326fad0e386470846fb3199ba381Chris Lattner MatchCode += "return;"; 2341693173feefaa326fad0e386470846fb3199ba381Chris Lattner 2342693173feefaa326fad0e386470846fb3199ba381Chris Lattner Cases.push_back(std::make_pair(I->first, MatchCode)); 2343674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner } 2344828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2345674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner StringMatcher("Mnemonic", Cases, OS).Emit(); 234655b5e85643b189636758188f11b598c45178407fDaniel Dunbar OS << "}\n\n"; 2347828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 23487fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner return true; 2349674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner} 2350674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner 2351194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbachstatic const char *getMinimalTypeForRange(uint64_t Range) { 2352194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach assert(Range < 0xFFFFFFFFULL && "Enum too large"); 2353194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach if (Range > 0xFFFF) 2354194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach return "uint32_t"; 2355194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach if (Range > 0xFF) 2356194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach return "uint16_t"; 2357194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach return "uint8_t"; 2358194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach} 2359194f3fa9eadc7dfe9f1750c16e1c2a8ebe11c88cJim Grosbach 23608caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbachstatic void emitCustomOperandParsing(raw_ostream &OS, CodeGenTarget &Target, 2361e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes const AsmMatcherInfo &Info, StringRef ClassName) { 2362e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit the static custom operand parsing table; 2363e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "namespace {\n"; 2364e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " struct OperandMatchEntry {\n"; 23657044cce1a30539e2ec779f49546d13d7db5a33dfJakob Stoklund Olesen OS << " static const char *const MnemonicTable;\n"; 2366fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " uint32_t OperandMask;\n"; 2367fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " uint32_t Mnemonic;\n"; 2368b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " " << getMinimalTypeForRange(1ULL << Info.SubtargetFeatures.size()) 2369fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << " RequiredFeatures;\n"; 2370fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " " << getMinimalTypeForRange(Info.Classes.size()) 2371fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << " Class;\n\n"; 2372b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " StringRef getMnemonic() const {\n"; 2373b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " return StringRef(MnemonicTable + Mnemonic + 1,\n"; 2374b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " MnemonicTable[Mnemonic]);\n"; 2375b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " }\n"; 2376e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " };\n\n"; 2377e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2378e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Predicate for searching for an opcode.\n"; 2379e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " struct LessOpcodeOperand {\n"; 2380e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " bool operator()(const OperandMatchEntry &LHS, StringRef RHS) {\n"; 2381b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " return LHS.getMnemonic() < RHS;\n"; 2382e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n"; 2383e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " bool operator()(StringRef LHS, const OperandMatchEntry &RHS) {\n"; 2384b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " return LHS < RHS.getMnemonic();\n"; 2385e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n"; 2386e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " bool operator()(const OperandMatchEntry &LHS,"; 2387e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " const OperandMatchEntry &RHS) {\n"; 2388b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " return LHS.getMnemonic() < RHS.getMnemonic();\n"; 2389e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n"; 2390e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " };\n"; 2391e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2392e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "} // end anonymous namespace.\n\n"; 2393e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2394b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer StringToOffsetTable StringTable; 2395b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer 2396e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "static const OperandMatchEntry OperandMatchTable[" 2397e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << Info.OperandMatchInfo.size() << "] = {\n"; 2398e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2399b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " /* Operand List Mask, Mnemonic, Operand Class, Features */\n"; 2400e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (std::vector<OperandMatchEntry>::const_iterator it = 2401e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes Info.OperandMatchInfo.begin(), ie = Info.OperandMatchInfo.end(); 2402e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes it != ie; ++it) { 2403e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes const OperandMatchEntry &OMI = *it; 2404e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes const MatchableInfo &II = *OMI.MI; 2405e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2406b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " { " << OMI.OperandMask; 2407e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2408e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " /* "; 2409e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes bool printComma = false; 2410e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (int i = 0, e = 31; i !=e; ++i) 2411e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (OMI.OperandMask & (1 << i)) { 2412e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (printComma) 2413e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << ", "; 2414e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << i; 2415e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes printComma = true; 2416e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2417e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " */"; 2418e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2419b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer // Store a pascal-style length byte in the mnemonic. 2420b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer std::string LenMnemonic = char(II.Mnemonic.size()) + II.Mnemonic.str(); 2421bcfa982c4866fee5f86dca8c4bfc7425a9629f0dJakob Stoklund Olesen OS << ", " << StringTable.GetOrAddStringOffset(LenMnemonic, false) 2422fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << " /* " << II.Mnemonic << " */, "; 2423e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2424e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Write the required features mask. 2425e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (!II.RequiredFeatures.empty()) { 2426e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (unsigned i = 0, e = II.RequiredFeatures.size(); i != e; ++i) { 2427e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (i) OS << "|"; 2428e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << II.RequiredFeatures[i]->getEnumName(); 2429e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2430e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } else 2431e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "0"; 2432fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper 2433fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << ", " << OMI.CI->Name; 2434fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper 2435e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " },\n"; 2436e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2437e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "};\n\n"; 2438e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 24397044cce1a30539e2ec779f49546d13d7db5a33dfJakob Stoklund Olesen OS << "const char *const OperandMatchEntry::MnemonicTable =\n"; 2440b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer StringTable.EmitString(OS); 2441b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << ";\n\n"; 2442b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer 2443e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit the operand class switch to call the correct custom parser for 2444e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // the found operand class. 2445f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << Target.getName() << ClassName << "::OperandMatchResultTy " 2446f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach << Target.getName() << ClassName << "::\n" 24473d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach << "tryCustomParseOperand(SmallVectorImpl<MCParsedAsmOperand*>" 2448e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " &Operands,\n unsigned MCK) {\n\n" 2449e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " switch(MCK) {\n"; 2450e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2451e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes for (std::vector<ClassInfo*>::const_iterator it = Info.Classes.begin(), 2452e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes ie = Info.Classes.end(); it != ie; ++it) { 2453e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes ClassInfo *CI = *it; 2454e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (CI->ParserMethod.empty()) 2455e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes continue; 2456e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " case " << CI->Name << ":\n" 2457e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " return " << CI->ParserMethod << "(Operands);\n"; 2458e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2459e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2460e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " default:\n"; 2461f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return MatchOperand_NoMatch;\n"; 2462e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n"; 2463f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return MatchOperand_NoMatch;\n"; 2464e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "}\n\n"; 2465e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2466e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit the static custom operand parser. This code is very similar with 2467e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // the other matcher. Also use MatchResultTy here just in case we go for 2468e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // a better error handling. 2469f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << Target.getName() << ClassName << "::OperandMatchResultTy " 2470e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << Target.getName() << ClassName << "::\n" 2471e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << "MatchOperandParserImpl(SmallVectorImpl<MCParsedAsmOperand*>" 2472e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " &Operands,\n StringRef Mnemonic) {\n"; 2473e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2474e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit code to get the available features. 2475e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Get the current feature set.\n"; 2476e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " unsigned AvailableFeatures = getAvailableFeatures();\n\n"; 2477e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2478e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Get the next operand index.\n"; 2479e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " unsigned NextOpNum = Operands.size()-1;\n"; 2480e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2481e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit code to search the table. 2482e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Search the table.\n"; 2483e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " std::pair<const OperandMatchEntry*, const OperandMatchEntry*>"; 2484e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " MnemonicRange =\n"; 2485e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " std::equal_range(OperandMatchTable, OperandMatchTable+" 2486e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << Info.OperandMatchInfo.size() << ", Mnemonic,\n" 2487e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " LessOpcodeOperand());\n\n"; 2488e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2489e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " if (MnemonicRange.first == MnemonicRange.second)\n"; 2490f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return MatchOperand_NoMatch;\n\n"; 2491e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2492e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " for (const OperandMatchEntry *it = MnemonicRange.first,\n" 2493e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << " *ie = MnemonicRange.second; it != ie; ++it) {\n"; 2494e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2495e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // equal_range guarantees that instruction mnemonic matches.\n"; 2496b08bb34a6f49c79e963aac52030c0cbeb0526f86Benjamin Kramer OS << " assert(Mnemonic == it->getMnemonic());\n\n"; 2497e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2498e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit check that the required features are available. 2499e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // check if the available features match\n"; 2500e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " if ((AvailableFeatures & it->RequiredFeatures) " 2501e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes << "!= it->RequiredFeatures) {\n"; 2502e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " continue;\n"; 2503e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n\n"; 2504e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2505e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit check to ensure the operand number matches. 2506e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // check if the operand in question has a custom parser.\n"; 2507e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " if (!(it->OperandMask & (1 << NextOpNum)))\n"; 2508e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " continue;\n\n"; 2509e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2510e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Emit call to the custom parser method 2511e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // call custom parse method to handle the operand\n"; 2512f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " OperandMatchResultTy Result = "; 25133d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << "tryCustomParseOperand(Operands, it->Class);\n"; 2514f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " if (Result != MatchOperand_NoMatch)\n"; 2515f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return Result;\n"; 2516e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " }\n\n"; 2517e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2518f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " // Okay, we had no match.\n"; 2519f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " return MatchOperand_NoMatch;\n"; 2520e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << "}\n\n"; 2521e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes} 2522e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 25232234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbarvoid AsmMatcherEmitter::run(raw_ostream &OS) { 252467db883487fca3472fdde51e931657e22d4d0495Chris Lattner CodeGenTarget Target(Records); 25252234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar Record *AsmParser = Target.getAsmParser(); 25262234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar std::string ClassName = AsmParser->getValueAsString("AsmParserClassName"); 25272234e5eee6d196594d42e6f2be51e176bf5e5f6eDaniel Dunbar 2528a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Compute the information on the instructions to match. 252967db883487fca3472fdde51e931657e22d4d0495Chris Lattner AsmMatcherInfo Info(AsmParser, Target, Records); 25308caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach Info.buildInfo(); 253120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 2532e1f6de3fbd892ea3f918a26912660cf316866fc1Daniel Dunbar // Sort the instruction table using the partial order on classes. We use 2533e1f6de3fbd892ea3f918a26912660cf316866fc1Daniel Dunbar // stable_sort to ensure that ambiguous instructions are still 2534e1f6de3fbd892ea3f918a26912660cf316866fc1Daniel Dunbar // deterministically ordered. 253522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner std::stable_sort(Info.Matchables.begin(), Info.Matchables.end(), 253622bc5c4184a497353e33195dd12541a4f08b008aChris Lattner less_ptr<MatchableInfo>()); 2537a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2538b7479c035534b1c240117cd0aea8342393160da8Daniel Dunbar DEBUG_WITH_TYPE("instruction_info", { 253922bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::iterator 254022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner it = Info.Matchables.begin(), ie = Info.Matchables.end(); 2541a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar it != ie; ++it) 254220927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar (*it)->dump(); 254320927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar }); 254420927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 254522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner // Check for ambiguous matchables. 2546fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner DEBUG_WITH_TYPE("ambiguous_instrs", { 2547fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner unsigned NumAmbiguous = 0; 254822bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (unsigned i = 0, e = Info.Matchables.size(); i != e; ++i) { 254987410368e1bd50408e787f6ece0e58d94c53c1e1Chris Lattner for (unsigned j = i + 1; j != e; ++j) { 255022bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo &A = *Info.Matchables[i]; 255122bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo &B = *Info.Matchables[j]; 2552a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 25538caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach if (A.couldMatchAmbiguouslyWith(B)) { 255422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner errs() << "warning: ambiguous matchables:\n"; 2555fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner A.dump(); 2556fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner errs() << "\nis incomparable with:\n"; 2557fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner B.dump(); 2558fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner errs() << "\n\n"; 255987410368e1bd50408e787f6ece0e58d94c53c1e1Chris Lattner ++NumAmbiguous; 256087410368e1bd50408e787f6ece0e58d94c53c1e1Chris Lattner } 25612b54481a77696d47dc9220cd7a36155599750904Daniel Dunbar } 2562606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar } 256387410368e1bd50408e787f6ece0e58d94c53c1e1Chris Lattner if (NumAmbiguous) 2564a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach errs() << "warning: " << NumAmbiguous 256522bc5c4184a497353e33195dd12541a4f08b008aChris Lattner << " ambiguous matchables!\n"; 2566fa0d74d58e6c70ef032afb5f83680276dc4d7370Chris Lattner }); 2567606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar 2568e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes // Compute the information on the custom operand parsing. 25698caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach Info.buildOperandMatchInfo(); 2570e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 25711095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Write the output. 25721095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 25730692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner // Information for the class declaration. 25740692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "\n#ifdef GET_ASSEMBLER_HEADER\n"; 25750692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#undef GET_ASSEMBLER_HEADER\n"; 257684cb033bf30b6f93ae2fbea71513970147e08dc2Jim Grosbach OS << " // This should be included into the middle of the declaration of\n"; 257794b9550a32d189704a8eae55505edf62662c0534Evan Cheng OS << " // your subclasses implementation of MCTargetAsmParser.\n"; 2578ebdeeab812beec0385b445f3d4c41a114e0d972fEvan Cheng OS << " unsigned ComputeAvailableFeatures(uint64_t FeatureBits) const;\n"; 2579359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier OS << " void ConvertToMCInst(unsigned Kind, MCInst &Inst, " 25805c228a945fe3e25a12d0f7e2e9b26b548d6f29f5Daniel Dunbar << "unsigned Opcode,\n" 258187d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier << " const SmallVectorImpl<MCParsedAsmOperand*> " 25825c228a945fe3e25a12d0f7e2e9b26b548d6f29f5Daniel Dunbar << "&Operands);\n"; 258387d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier OS << " unsigned GetMCInstOperandNum(unsigned Kind, MCInst &Inst,\n " 258487d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier << " const SmallVectorImpl<MCParsedAsmOperand*> " 258587d910efc676d6d249dcfb054a9e3b8d97843bfcChad Rosier << "&Operands,\n unsigned OperandNum);\n"; 25861fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " bool MnemonicIsValid(StringRef Mnemonic);\n"; 25873a86e1396230748f17a521915bc802939a787eacChad Rosier OS << " unsigned MatchInstructionImpl(\n" 25883a86e1396230748f17a521915bc802939a787eacChad Rosier << " const SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n" 2589c4d2560a2010456f4eea0007eb71829d5668e7ddChad Rosier << " unsigned &Kind, MCInst &Inst, " 2590c4d2560a2010456f4eea0007eb71829d5668e7ddChad Rosier << "unsigned &ErrorInfo,\n unsigned VariantID = 0);\n"; 2591e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 2592e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (Info.OperandMatchInfo.size()) { 2593f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << "\n enum OperandMatchResultTy {\n"; 2594f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " MatchOperand_Success, // operand matched successfully\n"; 2595f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " MatchOperand_NoMatch, // operand did not match\n"; 2596f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " MatchOperand_ParseFail // operand matched but had errors\n"; 2597f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " };\n"; 2598f922c47143d247cbae14b294a0bada139bcd35f6Jim Grosbach OS << " OperandMatchResultTy MatchOperandParserImpl(\n"; 2599e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n"; 2600e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " StringRef Mnemonic);\n"; 2601e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 26023d5d8f6b768619ed65f79606d5c981c1e056c7e8Jim Grosbach OS << " OperandMatchResultTy tryCustomParseOperand(\n"; 2603e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n"; 2604e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " unsigned MCK);\n\n"; 2605e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes } 2606e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 26070692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#endif // GET_ASSEMBLER_HEADER_INFO\n\n"; 26080692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner 26094dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach // Emit the operand match diagnostic enum names. 26104dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "\n#ifdef GET_OPERAND_DIAGNOSTIC_TYPES\n"; 26114dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "#undef GET_OPERAND_DIAGNOSTIC_TYPES\n\n"; 26124dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach emitOperandDiagnosticTypes(Info, OS); 26134dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "#endif // GET_OPERAND_DIAGNOSTIC_TYPES\n\n"; 26144dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 26154dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach 26160692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "\n#ifdef GET_REGISTER_MATCHER\n"; 26170692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#undef GET_REGISTER_MATCHER\n\n"; 26180692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner 261954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Emit the subtarget feature enumeration. 26208caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitSubtargetFeatureFlagEnumeration(Info, OS); 262154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 26221095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar // Emit the function to match a register name to number. 262372e9b6aeb48d9496bac9db8b02c88a618b464588Akira Hatanaka // This should be omitted for Mips target 262472e9b6aeb48d9496bac9db8b02c88a618b464588Akira Hatanaka if (AsmParser->getValueAsBit("ShouldEmitMatchRegisterName")) 262572e9b6aeb48d9496bac9db8b02c88a618b464588Akira Hatanaka emitMatchRegisterName(Target, AsmParser, OS); 26260692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner 26270692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#endif // GET_REGISTER_MATCHER\n\n"; 2628a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 26298030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "\n#ifdef GET_SUBTARGET_FEATURE_NAME\n"; 26308030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "#undef GET_SUBTARGET_FEATURE_NAME\n\n"; 26311095f2ae261d231a63d329b0ebbf6eaf566ff429Daniel Dunbar 263214ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach // Generate the helper function to get the names for subtarget features. 263314ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach emitGetSubtargetFeatureName(Info, OS); 263414ce6fac242228dacc5c08040e544141a96880e5Jim Grosbach 26358030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "#endif // GET_SUBTARGET_FEATURE_NAME\n\n"; 26368030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper 26378030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "\n#ifdef GET_MATCHER_IMPLEMENTATION\n"; 26388030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper OS << "#undef GET_MATCHER_IMPLEMENTATION\n\n"; 26398030e1a0df630ec6ed1cd5ec673f6472558a4dbeCraig Topper 26407fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner // Generate the function that remaps for mnemonic aliases. 26418caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach bool HasMnemonicAliases = emitMnemonicAliases(OS, Info); 2642828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2643606e8ad796f72824f5509e2657c44eca025d4bafDaniel Dunbar // Generate the unified function to convert operands into an MCInst. 26448caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitConvertToMCInst(Target, ClassName, Info.Matchables, OS); 2645a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 2646a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit the enumeration for classes which participate in matching. 26478caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitMatchClassEnumeration(Target, Info.Classes, OS); 264820927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 2649a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit the routine to match token strings to their match class. 26508caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitMatchTokenString(Target, Info.Classes, OS); 265120927f26fcd7d0394bc60c58c61d879a83adac0dDaniel Dunbar 2652fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar // Emit the subclass predicate routine. 26538caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitIsSubclass(Target, Info.Classes, OS); 2654fdb1f493ab6bcfb5603b9f497195492d92aceacbDaniel Dunbar 2655b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach // Emit the routine to validate an operand against a match class. 26568caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitValidateOperandClass(Info, OS); 2657b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach 265854074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Emit the available features compute function. 26598caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitComputeAvailableFeatures(Info, OS); 266054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 2661a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 2662a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar size_t MaxNumOperands = 0; 266322bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::const_iterator it = 266422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner Info.Matchables.begin(), ie = Info.Matchables.end(); 2665a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar it != ie; ++it) 26663116fef7b970eb7dbc2aa7daa9ea01e96c401bbfChris Lattner MaxNumOperands = std::max(MaxNumOperands, (*it)->AsmOperands.size()); 2667a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2668a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit the static match table; unused classes get initalized to 0 which is 2669a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // guaranteed to be InvalidMatchClass. 2670a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // 2671a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // FIXME: We can reduce the size of this table very easily. First, we change 2672a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // it so that store the kinds in separate bit-fields for each index, which 2673a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // only needs to be the max width used for classes at that index (we also need 2674a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // to reject based on this during classification). If we then make sure to 2675a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // order the match kinds appropriately (putting mnemonics last), then we 2676a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // should only end up using a few bits for each class, especially the ones 2677a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // following the mnemonic. 267896352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << "namespace {\n"; 267996352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << " struct MatchEntry {\n"; 26807044cce1a30539e2ec779f49546d13d7db5a33dfJakob Stoklund Olesen OS << " static const char *const MnemonicTable;\n"; 2681fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " uint32_t Mnemonic;\n"; 2682a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " uint16_t Opcode;\n"; 2683af482cf301cf35eebb3a67a3540e16b102b92246Benjamin Kramer OS << " " << getMinimalTypeForRange(Info.Matchables.size()) 2684af482cf301cf35eebb3a67a3540e16b102b92246Benjamin Kramer << " ConvertFn;\n"; 2685af482cf301cf35eebb3a67a3540e16b102b92246Benjamin Kramer OS << " " << getMinimalTypeForRange(1ULL << Info.SubtargetFeatures.size()) 2686af482cf301cf35eebb3a67a3540e16b102b92246Benjamin Kramer << " RequiredFeatures;\n"; 2687fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " " << getMinimalTypeForRange(Info.Classes.size()) 2688fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << " Classes[" << MaxNumOperands << "];\n"; 2689a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " uint8_t AsmVariantID;\n\n"; 2690a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " StringRef getMnemonic() const {\n"; 2691a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " return StringRef(MnemonicTable + Mnemonic + 1,\n"; 2692a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " MnemonicTable[Mnemonic]);\n"; 2693a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " }\n"; 26942b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " };\n\n"; 2695a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2696e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes OS << " // Predicate for searching for an opcode.\n"; 26972b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " struct LessOpcode {\n"; 26982b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " bool operator()(const MatchEntry &LHS, StringRef RHS) {\n"; 2699a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " return LHS.getMnemonic() < RHS;\n"; 27002b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " }\n"; 27012b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " bool operator()(StringRef LHS, const MatchEntry &RHS) {\n"; 2702a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " return LHS < RHS.getMnemonic();\n"; 27032b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " }\n"; 270432c685cb67ff7701f4970ef61765cae7a50f255cChris Lattner OS << " bool operator()(const MatchEntry &LHS, const MatchEntry &RHS) {\n"; 2705a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " return LHS.getMnemonic() < RHS.getMnemonic();\n"; 270632c685cb67ff7701f4970ef61765cae7a50f255cChris Lattner OS << " }\n"; 270796352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << " };\n"; 2708a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 270996352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << "} // end anonymous namespace.\n\n"; 2710a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2711a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer StringToOffsetTable StringTable; 2712a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer 271396352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << "static const MatchEntry MatchTable[" 271422bc5c4184a497353e33195dd12541a4f08b008aChris Lattner << Info.Matchables.size() << "] = {\n"; 2715a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 271622bc5c4184a497353e33195dd12541a4f08b008aChris Lattner for (std::vector<MatchableInfo*>::const_iterator it = 271722bc5c4184a497353e33195dd12541a4f08b008aChris Lattner Info.Matchables.begin(), ie = Info.Matchables.end(); 2718a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar it != ie; ++it) { 271922bc5c4184a497353e33195dd12541a4f08b008aChris Lattner MatchableInfo &II = **it; 2720a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2721a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer // Store a pascal-style length byte in the mnemonic. 2722a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer std::string LenMnemonic = char(II.Mnemonic.size()) + II.Mnemonic.str(); 2723fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " { " << StringTable.GetOrAddStringOffset(LenMnemonic, false) 2724fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << " /* " << II.Mnemonic << " */, " 2725fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << Target.getName() << "::" 2726a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer << II.getResultInst()->TheDef->getName() << ", " 2727fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper << II.ConversionFnKind << ", "; 2728a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 272954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Write the required features mask. 273054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar if (!II.RequiredFeatures.empty()) { 273154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar for (unsigned i = 0, e = II.RequiredFeatures.size(); i != e; ++i) { 273254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar if (i) OS << "|"; 27330aed1e770149301af473ce05a83f73be01c06fe0Chris Lattner OS << II.RequiredFeatures[i]->getEnumName(); 273454074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar } 273554074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar } else 273654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "0"; 2737fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper 2738fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << ", { "; 2739fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper for (unsigned i = 0, e = II.AsmOperands.size(); i != e; ++i) { 2740fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper MatchableInfo::AsmOperand &Op = II.AsmOperands[i]; 2741fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper 2742fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper if (i) OS << ", "; 2743fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << Op.Class->Name; 2744fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper } 2745fab3f7ee6f2adca5037f597ce4f28c5acdcbd852Craig Topper OS << " }, " << II.AsmVariantID; 274654074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << "},\n"; 2747a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar } 2748a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 274996352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner OS << "};\n\n"; 2750a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar 27517044cce1a30539e2ec779f49546d13d7db5a33dfJakob Stoklund Olesen OS << "const char *const MatchEntry::MnemonicTable =\n"; 2752a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer StringTable.EmitString(OS); 2753a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << ";\n\n"; 2754a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer 27551fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson // A method to determine if a mnemonic is in the list. 27561fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << "bool " << Target.getName() << ClassName << "::\n" 27571fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson << "MnemonicIsValid(StringRef Mnemonic) {\n"; 27581fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " // Search the table.\n"; 27591fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " std::pair<const MatchEntry*, const MatchEntry*> MnemonicRange =\n"; 27601fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " std::equal_range(MatchTable, MatchTable+" 27611fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson << Info.Matchables.size() << ", Mnemonic, LessOpcode());\n"; 27621fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << " return MnemonicRange.first != MnemonicRange.second;\n"; 27631fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson OS << "}\n\n"; 27641fe3aa15e9cdc4981d7a125d87eaf257c1d75af1Bob Wilson 276596352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner // Finally, build the match function. 276619cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach OS << "unsigned " 276796352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner << Target.getName() << ClassName << "::\n" 276896352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner << "MatchInstructionImpl(const SmallVectorImpl<MCParsedAsmOperand*>" 276996352e5ceb9a2fee7b6e67384afd77493b5c6e5bChris Lattner << " &Operands,\n"; 2770c4d2560a2010456f4eea0007eb71829d5668e7ddChad Rosier OS << " unsigned &Kind, MCInst &Inst, unsigned "; 2771c4d2560a2010456f4eea0007eb71829d5668e7ddChad Rosier OS << "&ErrorInfo,\n unsigned VariantID) {\n"; 277254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 27730bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " // Eliminate obvious mismatches.\n"; 27740bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " if (Operands.size() > " << (MaxNumOperands+1) << ") {\n"; 27750bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " ErrorInfo = " << (MaxNumOperands+1) << ";\n"; 27760bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " return Match_InvalidOperand;\n"; 27770bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " }\n\n"; 27780bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier 277954074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Emit code to get the available features. 278054074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " // Get the current feature set.\n"; 278154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar OS << " unsigned AvailableFeatures = getAvailableFeatures();\n\n"; 278254074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 2783674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner OS << " // Get the instruction mnemonic, which is the first token.\n"; 2784674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner OS << " StringRef Mnemonic = ((" << Target.getName() 2785674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner << "Operand*)Operands[0])->getToken();\n\n"; 2786674c1dcca21f5edf9f7380902971fc5471c0bd4aChris Lattner 27877fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner if (HasMnemonicAliases) { 27887fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner OS << " // Process all MnemonicAliases to remap the mnemonic.\n"; 278940bced0306e953c3d0fec19db4c4770b0e3c787eDevang Patel OS << " // FIXME : Add an entry in AsmParserVariant to check this.\n"; 279040bced0306e953c3d0fec19db4c4770b0e3c787eDevang Patel OS << " if (!VariantID)\n"; 279140bced0306e953c3d0fec19db4c4770b0e3c787eDevang Patel OS << " applyMnemonicAliases(Mnemonic, AvailableFeatures);\n\n"; 27927fd4489de11bdf06f6c852d42abafea013b76f28Chris Lattner } 2793828295bb301d6cd3683751c2da1c2dd22ec6423fBob Wilson 2794a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit code to compute the class list for this operand vector. 27959bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " // Some state to try to produce better error messages.\n"; 279619cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach OS << " bool HadMatchOtherThanFeatures = false;\n"; 2797578071a08734a4eb76484ba0a8d9f10b6e322184Jim Grosbach OS << " bool HadMatchOtherThanPredicate = false;\n"; 279819cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach OS << " unsigned RetCode = Match_InvalidOperand;\n"; 2799325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " unsigned MissingFeatures = ~0U;\n"; 280084cb033bf30b6f93ae2fbea71513970147e08dc2Jim Grosbach OS << " // Set ErrorInfo to the operand that mismatches if it is\n"; 28019bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " // wrong for all instances of the instruction.\n"; 28029bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " ErrorInfo = ~0U;\n"; 28032b1f943444d1853204725c7b45b1e1032be39958Chris Lattner 2804a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar // Emit code to search the table. 2805a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " // Search the table.\n"; 28062b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " std::pair<const MatchEntry*, const MatchEntry*> MnemonicRange =\n"; 28072b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " std::equal_range(MatchTable, MatchTable+" 280822bc5c4184a497353e33195dd12541a4f08b008aChris Lattner << Info.Matchables.size() << ", Mnemonic, LessOpcode());\n\n"; 2809a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2810a008e8ac73cb3cf2eaf006fbb1b62905c8626758Chris Lattner OS << " // Return a more specific error code if no mnemonics match.\n"; 2811a008e8ac73cb3cf2eaf006fbb1b62905c8626758Chris Lattner OS << " if (MnemonicRange.first == MnemonicRange.second)\n"; 2812a008e8ac73cb3cf2eaf006fbb1b62905c8626758Chris Lattner OS << " return Match_MnemonicFail;\n\n"; 2813a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 28142b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " for (const MatchEntry *it = MnemonicRange.first, " 281580db4e51d2a44bc623b5892bed2351406890b9aaChris Lattner << "*ie = MnemonicRange.second;\n"; 28162b1f943444d1853204725c7b45b1e1032be39958Chris Lattner OS << " it != ie; ++it) {\n"; 281754074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar 2818e53ee3b112810068b8ca229aff211fc497069273Gabor Greif OS << " // equal_range guarantees that instruction mnemonic matches.\n"; 2819a4c5ecfb1bc0101c1b42a4d81bb427482b52cecfBenjamin Kramer OS << " assert(Mnemonic == it->getMnemonic());\n"; 2820a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 282154074b5f04f5affc77b5c6f3e5d8062b50384831Daniel Dunbar // Emit check that the subclasses match. 282256315d319c104dc96187444e1e19711a1c801166Devang Patel OS << " if (VariantID != it->AsmVariantID) continue;\n"; 2823ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " bool OperandsValid = true;\n"; 2824ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " for (unsigned i = 0; i != " << MaxNumOperands << "; ++i) {\n"; 2825b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " if (i + 1 >= Operands.size()) {\n"; 2826b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " OperandsValid = (it->Classes[i] == " <<"InvalidMatchClass);\n"; 2827087642f8638b08bf236b2cf8f0feb4df34c568f4Bill Wendling OS << " if (!OperandsValid) ErrorInfo = i + 1;\n"; 2828b9d5af05fdc0867ed772c4bbfe3f3acc9fb3d628Jim Grosbach OS << " break;\n"; 2829b9db0c50d84b06b4b567c29375b7db92b5dab077Jim Grosbach OS << " }\n"; 28304dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " unsigned Diag = validateOperandClass(Operands[i+1],\n"; 28314dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS.indent(43); 28324dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << "(MatchClassKind)it->Classes[i]);\n"; 28334dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " if (Diag == Match_Success)\n"; 2834ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " continue;\n"; 28359bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " // If this operand is broken for all of the instances of this\n"; 28369bb9fa19a5e121b83866867ad1d8f7bf2618c1a0Chris Lattner OS << " // mnemonic, keep track of it so we can report loc info.\n"; 28374dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " // If we already had a match that only failed due to a\n"; 28384dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " // target predicate, that diagnostic is preferred.\n"; 28394dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " if (!HadMatchOtherThanPredicate &&\n"; 28404dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " (it == MnemonicRange.first || ErrorInfo <= i+1)) {\n"; 2841ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " ErrorInfo = i+1;\n"; 2842ef970c10918dde1e84b8e14a28dc7cf0a93c7c95Jim Grosbach OS << " // InvalidOperand is the default. Prefer specificity.\n"; 2843ef970c10918dde1e84b8e14a28dc7cf0a93c7c95Jim Grosbach OS << " if (Diag != Match_InvalidOperand)\n"; 2844ef970c10918dde1e84b8e14a28dc7cf0a93c7c95Jim Grosbach OS << " RetCode = Diag;\n"; 28454dbfdfba6c92b6224bf58364371569f5780844d3Jim Grosbach OS << " }\n"; 2846ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " // Otherwise, just reject this instance of the mnemonic.\n"; 2847ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " OperandsValid = false;\n"; 2848ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " break;\n"; 2849ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " }\n\n"; 2850a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2851ce4a3355d96971e7edcbff3c1975f83e1ddcb8f2Chris Lattner OS << " if (!OperandsValid) continue;\n"; 2852ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner 2853ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner // Emit check that the required features are available. 2854ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " if ((AvailableFeatures & it->RequiredFeatures) " 2855ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner << "!= it->RequiredFeatures) {\n"; 2856ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " HadMatchOtherThanFeatures = true;\n"; 2857325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " unsigned NewMissingFeatures = it->RequiredFeatures & " 2858325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach "~AvailableFeatures;\n"; 28590bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier OS << " if (CountPopulation_32(NewMissingFeatures) <=\n" 28600bad086d6dd2ee2d4ab8269ace959f7fb9cb3b9dChad Rosier " CountPopulation_32(MissingFeatures))\n"; 2861325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " MissingFeatures = NewMissingFeatures;\n"; 2862ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " continue;\n"; 2863ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " }\n"; 2864a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << "\n"; 2865b412915ff6229b3e2dffedcfb0f3fb7e85259841Daniel Dunbar OS << " // We have selected a definite instruction, convert the parsed\n" 2866b412915ff6229b3e2dffedcfb0f3fb7e85259841Daniel Dunbar << " // operands into the appropriate MCInst.\n"; 2867359956dc1be35df4f8179eb14cea617c3ef10dd7Chad Rosier OS << " ConvertToMCInst(it->ConvertFn, Inst, it->Opcode, Operands);\n"; 2868b412915ff6229b3e2dffedcfb0f3fb7e85259841Daniel Dunbar OS << "\n"; 28698cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar 287019cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach // Verify the instruction with the target-specific match predicate function. 287119cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach OS << " // We have a potential match. Check the target predicate to\n" 287219cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " // handle any context sensitive constraints.\n" 287319cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " unsigned MatchResult;\n" 287419cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " if ((MatchResult = checkTargetMatchPredicate(Inst)) !=" 287519cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " Match_Success) {\n" 287619cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " Inst.clear();\n" 287719cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " RetCode = MatchResult;\n" 2878578071a08734a4eb76484ba0a8d9f10b6e322184Jim Grosbach << " HadMatchOtherThanPredicate = true;\n" 287919cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " continue;\n" 288019cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach << " }\n\n"; 288119cb7f491fbc7cb5d0bbd10e201f9d5093e6d4e5Jim Grosbach 28828cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar // Call the post-processing function, if used. 28838cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar std::string InsnCleanupFn = 28848cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar AsmParser->getValueAsString("AsmParserInstCleanup"); 28858cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar if (!InsnCleanupFn.empty()) 28868cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar OS << " " << InsnCleanupFn << "(Inst);\n"; 28878cc9c0c487128c4d675d45803a0711c3e43534afDaniel Dunbar 28883a86e1396230748f17a521915bc802939a787eacChad Rosier OS << " Kind = it->ConvertFn;\n"; 288979ed3f77e8b87615b80054ca6e4e3ba5e07445bdChris Lattner OS << " return Match_Success;\n"; 2890a3741fa28b1a397ebfd623ef9d14e978df94ce47Daniel Dunbar OS << " }\n\n"; 2891a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar 2892ec6789f4f97ca1701c163132b6e3388366463090Chris Lattner OS << " // Okay, we had no match. Try to return a useful error code.\n"; 28934c1d2baa7c3303302fec9a15ebc4021bd5d45002Chad Rosier OS << " if (HadMatchOtherThanPredicate || !HadMatchOtherThanFeatures)\n"; 28944c1d2baa7c3303302fec9a15ebc4021bd5d45002Chad Rosier OS << " return RetCode;\n\n"; 2895325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " // Missing feature matches return which features were missing\n"; 2896325bd661ff57787efddc6b302230f22e9c187655Jim Grosbach OS << " ErrorInfo = MissingFeatures;\n"; 2897578071a08734a4eb76484ba0a8d9f10b6e322184Jim Grosbach OS << " return Match_MissingFeature;\n"; 2898a027d222e18ea9028e9e12ae2f5cd566889b599aDaniel Dunbar OS << "}\n\n"; 2899a7c78220c4ce0c79801044774355b97b731bcedaJim Grosbach 2900e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes if (Info.OperandMatchInfo.size()) 29018caecdea56c830f3fc80ed67fff121c83de0e364Jim Grosbach emitCustomOperandParsing(OS, Target, Info, ClassName); 2902e7a54520b3435c006c4f97c56fe970350981ea3cBruno Cardoso Lopes 29030692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner OS << "#endif // GET_MATCHER_IMPLEMENTATION\n\n"; 2904d51ffcf303070b0a5aea7f365b85f6f969c384cbDaniel Dunbar} 29056f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 29066f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesennamespace llvm { 29076f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 29086f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesenvoid EmitAsmMatcher(RecordKeeper &RK, raw_ostream &OS) { 29096f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen emitSourceFileHeader("Assembly Matcher Source Fragment", OS); 29106f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen AsmMatcherEmitter(RK).run(OS); 29116f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} 29126f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen 29136f36fa981a59461466e12e5056ba209d289b81b1Jakob Stoklund Olesen} // End llvm namespace 2914