SelectionDAGNodes.h revision ef02b815cb37017d8dbac2f18c75bff0aa317163
163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===-- llvm/CodeGen/SelectionDAGNodes.h - SelectionDAG Nodes ---*- C++ -*-===// 2ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// The LLVM Compiler Infrastructure 463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// 57ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// This file is distributed under the University of Illinois Open Source 67ed47a13356daed2a34cd2209a31f92552e3bdd8Chris Lattner// License. See LICENSE.TXT for details. 7ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===----------------------------------------------------------------------===// 9ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 1063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// This file declares the SDNode class and derived classes, which are used to 1163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// represent the nodes and operations present in a SelectionDAG. These nodes 1263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// and operations are machine code level operations, with some similarities to 1363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// the GCC RTL representation. 1463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// 1563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// Clients should include the SelectionDAG.h file instead of this file directly. 1663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// 1763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===----------------------------------------------------------------------===// 1863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#ifndef LLVM_CODEGEN_SELECTIONDAGNODES_H 2063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#define LLVM_CODEGEN_SELECTIONDAGNODES_H 2163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 222d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth#include "llvm/Value.h" 23583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey#include "llvm/ADT/FoldingSet.h" 241080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner#include "llvm/ADT/GraphTraits.h" 251080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner#include "llvm/ADT/iterator" 268bb369b8072c919ef5802f639a52b17620201190Dale Johannesen#include "llvm/ADT/APFloat.h" 276394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman#include "llvm/ADT/APInt.h" 28d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng#include "llvm/CodeGen/ValueTypes.h" 2936b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman#include "llvm/CodeGen/MachineMemOperand.h" 3039931a3dbac1aa2fe2ec14f26001c8c29102940cJeff Cohen#include "llvm/Support/DataTypes.h" 3163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#include <cassert> 3263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnernamespace llvm { 3463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass SelectionDAG; 3663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass GlobalValue; 3763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass MachineBasicBlock; 38d6594ae54cfde4db4d30272192645c0a45fb9902Evan Chengclass MachineConstantPoolValue; 3963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass SDNode; 4076c1b97e4020faace8c95a127f1eab66c278fb58Chris Lattnertemplate <typename T> struct DenseMapInfo; 4163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnertemplate <typename T> struct simplify_type; 42b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate <typename T> struct ilist_traits; 43b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<typename NodeTy, typename Traits> class iplist; 44b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<typename NodeTy> class ilist_iterator; 4563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 460b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner/// SDVTList - This represents a list of ValueType's that has been intern'd by 470b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner/// a SelectionDAG. Instances of this simple value class are returned by 480b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner/// SelectionDAG::getVTList(...). 490b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner/// 500b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattnerstruct SDVTList { 510b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner const MVT::ValueType *VTs; 520b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner unsigned short NumVTs; 530b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner}; 540b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner 5563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// ISD namespace - This namespace contains an enum which represents all of the 5663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SelectionDAG node types and value types. 5763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 5863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnernamespace ISD { 59d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov 6063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 6163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// ISD::NodeType enum - This enum defines all of the operators valid in a 6263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// SelectionDAG. 6363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 6463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner enum NodeType { 653258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner // DELETED_NODE - This is an illegal flag value that is used to catch 663258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner // errors. This opcode is not a legal opcode for any node. 673258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner DELETED_NODE, 683258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner 698a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // EntryToken - This is the marker used to indicate the start of the region. 708a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner EntryToken, 718a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner 728c4bde36a339b1c538002e819daff84caae4cbadReid Spencer // Token factor - This node takes multiple tokens as input and produces a 738a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // single token result. This is used to represent the fact that the operand 748a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // operators are independent of each other. 758a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner TokenFactor, 76f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman 77f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // AssertSext, AssertZext - These nodes record if a register contains a 78f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // value that has already been zero or sign extended from a narrower type. 79f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // These nodes take two operands. The first is the node that has already 80f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // been extended, and the second is a value type node indicating the width 81f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // of the extension 82f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman AssertSext, AssertZext, 83ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 848a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // Various leaf nodes. 85276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands STRING, BasicBlock, VALUETYPE, ARG_FLAGS, CONDCODE, Register, 861ab7d859cf5c490612799d7e132c0b1c39f8f497Evan Cheng Constant, ConstantFP, 87b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio GlobalAddress, GlobalTLSAddress, FrameIndex, 88b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio JumpTable, ConstantPool, ExternalSymbol, 891ab7d859cf5c490612799d7e132c0b1c39f8f497Evan Cheng 9082c3d8f81ab20dc7571f29ffc46a5bb1b7ed8323Andrew Lenharth // The address of the GOT 9182c3d8f81ab20dc7571f29ffc46a5bb1b7ed8323Andrew Lenharth GLOBAL_OFFSET_TABLE, 92bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman 93bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // FRAMEADDR, RETURNADDR - These nodes represent llvm.frameaddress and 94bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // llvm.returnaddress on the DAG. These nodes take one operand, the index 95bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // of the frame or return address to return. An index of zero corresponds 96bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // to the current function's frame or return address, an index of one to the 97bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // parent's frame or return address, and so on. 98bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman FRAMEADDR, RETURNADDR, 992365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov 1002365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // FRAME_TO_ARGS_OFFSET - This node represents offset from frame pointer to 1012365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // first (possible) on-stack argument. This is needed for correct stack 1022365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // adjustment during unwind. 1032365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov FRAME_TO_ARGS_OFFSET, 104f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey 105f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey // RESULT, OUTCHAIN = EXCEPTIONADDR(INCHAIN) - This node represents the 106f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey // address of the exception block on entry to an landing pad block. 107f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey EXCEPTIONADDR, 108f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey 109f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey // RESULT, OUTCHAIN = EHSELECTION(INCHAIN, EXCEPTION) - This node represents 110f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey // the selection index of the exception thrown. 111f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey EHSELECTION, 112beec30eaf301bd6882cd06800b5175b94f033f9dAndrew Lenharth 1132365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // OUTCHAIN = EH_RETURN(INCHAIN, OFFSET, HANDLER) - This node represents 1142365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // 'eh_return' gcc dwarf builtin, which is used to return from 1152365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // exception. The general meaning is: adjust stack by OFFSET and pass 1162365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // execution to HANDLER. Many platform-related details also :) 1172365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov EH_RETURN, 1182365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov 119ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner // TargetConstant* - Like Constant*, but the DAG does not do any folding or 120ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner // simplification of the constant. 121056f9f61d071c6c583951678f2bf543a1316efccChris Lattner TargetConstant, 122ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner TargetConstantFP, 123f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner 124f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // TargetGlobalAddress - Like GlobalAddress, but the DAG does no folding or 125f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // anything else with this node, and this is valid in the target-specific 126f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // dag, turning into a GlobalAddress operand. 127f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner TargetGlobalAddress, 128b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio TargetGlobalTLSAddress, 129afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner TargetFrameIndex, 13037efe6764568a3829fee26aba532283131d1a104Nate Begeman TargetJumpTable, 131aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner TargetConstantPool, 1322a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth TargetExternalSymbol, 13372601cac6051a9571ca4db3b32d6a73e40b40bd1Chris Lattner 134ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// RESULT = INTRINSIC_WO_CHAIN(INTRINSICID, arg1, arg2, ...) 135ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// This node represents a target intrinsic function with no side effects. 136ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// The first operand is the ID number of the intrinsic from the 137ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// llvm::Intrinsic namespace. The operands to the intrinsic follow. The 138ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// node has returns the result of the intrinsic. 139ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner INTRINSIC_WO_CHAIN, 140ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner 141ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// RESULT,OUTCHAIN = INTRINSIC_W_CHAIN(INCHAIN, INTRINSICID, arg1, ...) 142ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// This node represents a target intrinsic function with side effects that 143ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// returns a result. The first operand is a chain pointer. The second is 144ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// the ID number of the intrinsic from the llvm::Intrinsic namespace. The 145ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// operands to the intrinsic follow. The node has two results, the result 146ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// of the intrinsic and an output chain. 147ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner INTRINSIC_W_CHAIN, 14863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 149ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// OUTCHAIN = INTRINSIC_VOID(INCHAIN, INTRINSICID, arg1, arg2, ...) 150ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// This node represents a target intrinsic function with side effects that 151ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// does not return a result. The first operand is a chain pointer. The 152ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// second is the ID number of the intrinsic from the llvm::Intrinsic 153ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// namespace. The operands to the intrinsic follow. 154ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner INTRINSIC_VOID, 155ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner 156d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner // CopyToReg - This node has three operands: a chain, a register number to 157d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner // set to this value, and a value. 15863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CopyToReg, 15963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 16063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // CopyFromReg - This node indicates that the input value is a virtual or 16163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // physical register that is defined outside of the scope of this 162ab2a7542546bf781fa373e20095be0e344f5b3ccDan Gohman // SelectionDAG. The register is available from the RegisterSDNode object. 16363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CopyFromReg, 16463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 165fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman // UNDEF - An undefined node 166fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman UNDEF, 167681ee1c1c3f7c3558c29a5bf3a668c1d0784c399Chris Lattner 168b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// FORMAL_ARGUMENTS(CHAIN, CC#, ISVARARG, FLAG0, ..., FLAGn) - This node 169b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// represents the formal arguments for a function. CC# is a Constant value 170b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// indicating the calling convention of the function, and ISVARARG is a 171b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// flag that indicates whether the function is varargs or not. This node 172b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// has one result value for each incoming argument, plus one for the output 173b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// chain. It must be custom legalized. See description of CALL node for 174b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// FLAG argument contents explanation. 175c1a8ad71e11123f1e3c8d9913a7f51978b9967d5Chris Lattner /// 176681ee1c1c3f7c3558c29a5bf3a668c1d0784c399Chris Lattner FORMAL_ARGUMENTS, 1776c0bfc723779366698d3936b63dcddc6164c2d33Chris Lattner 1786c0bfc723779366698d3936b63dcddc6164c2d33Chris Lattner /// RV1, RV2...RVn, CHAIN = CALL(CHAIN, CC#, ISVARARG, ISTAILCALL, CALLEE, 179b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// ARG0, FLAG0, ARG1, FLAG1, ... ARGn, FLAGn) 1806c0bfc723779366698d3936b63dcddc6164c2d33Chris Lattner /// This node represents a fully general function call, before the legalizer 181b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// runs. This has one result value for each argument / flag pair, plus 182b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// a chain result. It must be custom legalized. Flag argument indicates 183b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// misc. argument attributes. Currently: 184b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// Bit 0 - signness 185b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// Bit 1 - 'inreg' attribute 186b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// Bit 2 - 'sret' attribute 187594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola /// Bit 4 - 'byval' attribute 188594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola /// Bit 5 - 'nest' attribute 189594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola /// Bit 6-9 - alignment of byval structures 190594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola /// Bit 10-26 - size of byval structures 19113a3cee13133711eb95174a004dca4421ccd1cd9Lauro Ramos Venancio /// Bits 31:27 - argument ABI alignment in the first argument piece and 19213a3cee13133711eb95174a004dca4421ccd1cd9Lauro Ramos Venancio /// alignment '1' in other argument pieces. 1936c0bfc723779366698d3936b63dcddc6164c2d33Chris Lattner CALL, 194fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman 19525eb043759c23b61769108f78382eb9701c41db2Duncan Sands // EXTRACT_ELEMENT - This is used to get the lower or upper (determined by 19625eb043759c23b61769108f78382eb9701c41db2Duncan Sands // a Constant, which is required to be operand #1) half of the integer value 19725eb043759c23b61769108f78382eb9701c41db2Duncan Sands // specified as operand #0. This is only for use before legalization, for 19825eb043759c23b61769108f78382eb9701c41db2Duncan Sands // values that will be broken into multiple registers. 19963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner EXTRACT_ELEMENT, 20063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 20163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BUILD_PAIR - This is the opposite of EXTRACT_ELEMENT in some ways. Given 20263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // two values of the same integer value type, this produces a value twice as 20363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // big. Like EXTRACT_ELEMENT, this can only be used before legalization. 20463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BUILD_PAIR, 205006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner 206006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // MERGE_VALUES - This node takes multiple discrete operands and returns 207006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // them all as its individual results. This nodes has exactly the same 208006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // number of inputs and outputs, and is only valid before legalization. 209006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // This node is useful for some pieces of the code generator that want to 210006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // think about a single node with multiple results, not multiple nodes. 211006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner MERGE_VALUES, 21263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 213615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner // Simple integer binary arithmetic operators. 214bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner ADD, SUB, MUL, SDIV, UDIV, SREM, UREM, 215fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman 216fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman // SMUL_LOHI/UMUL_LOHI - Multiply two integers of type iN, producing 217b36904be918b72cc4c714552d42d6a713f27bbf5Duncan Sands // a signed/unsigned value of type i[2*N], and return the full value as 218fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman // two results, each of type iN. 219fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman SMUL_LOHI, UMUL_LOHI, 220fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman 221fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman // SDIVREM/UDIVREM - Divide two integers and produce both a quotient and 222fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman // remainder result. 223fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman SDIVREM, UDIVREM, 224615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner 22555e34eb31741f7902445cfa94fddde7a6910c408Chris Lattner // CARRY_FALSE - This node is used when folding other nodes, 22655e34eb31741f7902445cfa94fddde7a6910c408Chris Lattner // like ADDC/SUBC, which indicate the carry result is always false. 22755e34eb31741f7902445cfa94fddde7a6910c408Chris Lattner CARRY_FALSE, 22855e34eb31741f7902445cfa94fddde7a6910c408Chris Lattner 229551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Carry-setting nodes for multiple precision addition and subtraction. 230551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // These nodes take two operands of the same value type, and produce two 231551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // results. The first result is the normal add or sub result, the second 232551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // result is the carry flag result. 233551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman ADDC, SUBC, 234551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman 235551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Carry-using nodes for multiple precision addition and subtraction. These 236551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // nodes take three operands: The first two are the normal lhs and rhs to 237551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // the add or sub, and the third is the input carry flag. These nodes 238551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // produce two results; the normal result of the add or sub, and the output 239551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // carry flag. These nodes both read and write a carry flag to allow them 240551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // to them to be chained together for add and sub of arbitrarily large 241551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // values. 242551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman ADDE, SUBE, 243551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman 244615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner // Simple binary floating point operators. 245615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner FADD, FSUB, FMUL, FDIV, FREM, 24638bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner 24738bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner // FCOPYSIGN(X, Y) - Return the value of X with the sign of Y. NOTE: This 24838bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner // DAG node does not require that X and Y have the same type, just that they 24938bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner // are both floating point. X and the result must have the same type. 25038bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner // FCOPYSIGN(f32, f64) is allowed. 25138bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner FCOPYSIGN, 252fa984b61e42c94ad7e66cf2880ca826dba488d30Chris Lattner 2531a3048bb8e0f3de0b4e56704c15c556c71565f4bChris Lattner // INT = FGETSIGN(FP) - Return the sign bit of the specified floating point 2541a3048bb8e0f3de0b4e56704c15c556c71565f4bChris Lattner // value as an integer 0/1 value. 2551a3048bb8e0f3de0b4e56704c15c556c71565f4bChris Lattner FGETSIGN, 2561a3048bb8e0f3de0b4e56704c15c556c71565f4bChris Lattner 257664e9546d674096c5a012536f1a424b1681ece51Dan Gohman /// BUILD_VECTOR(ELT0, ELT1, ELT2, ELT3,...) - Return a vector 25822232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner /// with the specified, possibly variable, elements. The number of elements 25922232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner /// is required to be a power of two. 26022232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner BUILD_VECTOR, 26122232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner 2627f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// INSERT_VECTOR_ELT(VECTOR, VAL, IDX) - Returns VECTOR with the element 2634f069e6db1772a7e6cd8bfc360d819b56557badcDuncan Sands /// at IDX replaced with VAL. If the type of VAL is larger than the vector 2644f069e6db1772a7e6cd8bfc360d819b56557badcDuncan Sands /// element type then VAL is truncated before replacement. 26522232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner INSERT_VECTOR_ELT, 2664b8db6c453fd3a7b07bc7c0e8092018530701ffdChris Lattner 2674b8db6c453fd3a7b07bc7c0e8092018530701ffdChris Lattner /// EXTRACT_VECTOR_ELT(VECTOR, IDX) - Returns a single element from VECTOR 2687f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// identified by the (potentially variable) element number IDX. 2694b8db6c453fd3a7b07bc7c0e8092018530701ffdChris Lattner EXTRACT_VECTOR_ELT, 27022232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner 2717f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// CONCAT_VECTORS(VECTOR0, VECTOR1, ...) - Given a number of values of 2727f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// vector type with the same length and element type, this produces a 2737f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// concatenated vector result value, with length equal to the sum of the 274b6f5b00c3bad3415d3f2ee1a6d5ee5a6f66a4540Dan Gohman /// lengths of the input vectors. 2757f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman CONCAT_VECTORS, 2766595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 2777f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// EXTRACT_SUBVECTOR(VECTOR, IDX) - Returns a subvector from VECTOR (an 2787f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// vector value) starting with the (potentially variable) element number 2797f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// IDX, which must be a multiple of the result vector length. 2807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman EXTRACT_SUBVECTOR, 28159c2e868ff15d77e00c89ad9591a87e84bd0665aDuncan Sands 28249c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// VECTOR_SHUFFLE(VEC1, VEC2, SHUFFLEVEC) - Returns a vector, of the same 28349c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// type as VEC1/VEC2. SHUFFLEVEC is a BUILD_VECTOR of constant int values 28459c2e868ff15d77e00c89ad9591a87e84bd0665aDuncan Sands /// (maybe of an illegal datatype) or undef that indicate which value each 28559c2e868ff15d77e00c89ad9591a87e84bd0665aDuncan Sands /// result element will get. The elements of VEC1/VEC2 are enumerated in 28659c2e868ff15d77e00c89ad9591a87e84bd0665aDuncan Sands /// order. This is quite similar to the Altivec 'vperm' instruction, except 28759c2e868ff15d77e00c89ad9591a87e84bd0665aDuncan Sands /// that the indices must be constants and are in terms of the element size 28859c2e868ff15d77e00c89ad9591a87e84bd0665aDuncan Sands /// of VEC1/VEC2, not in terms of bytes. 28949c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner VECTOR_SHUFFLE, 29059c2e868ff15d77e00c89ad9591a87e84bd0665aDuncan Sands 291210721aecc0916315f61660dc387a96b89ec423bChris Lattner /// SCALAR_TO_VECTOR(VAL) - This represents the operation of loading a 292a95afe2b5fb7a716ff4cc7bb623995a0a4c56411Nate Begeman /// scalar value into element 0 of the resultant vector type. The top 293a95afe2b5fb7a716ff4cc7bb623995a0a4c56411Nate Begeman /// elements 1 to N-1 of the N-element vector are undefined. 294210721aecc0916315f61660dc387a96b89ec423bChris Lattner SCALAR_TO_VECTOR, 295210721aecc0916315f61660dc387a96b89ec423bChris Lattner 296557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb // EXTRACT_SUBREG - This node is used to extract a sub-register value. 297557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb // This node takes a superreg and a constant sub-register index as operands. 298709d19fb6677d8f31c7c9d2457f3647cb09b1941Evan Cheng // Note sub-register indices must be increasing. That is, if the 299709d19fb6677d8f31c7c9d2457f3647cb09b1941Evan Cheng // sub-register index of a 8-bit sub-register is N, then the index for a 300709d19fb6677d8f31c7c9d2457f3647cb09b1941Evan Cheng // 16-bit sub-register must be at least N+1. 301557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb EXTRACT_SUBREG, 302557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb 3034499e495eabe8de7d595416a03c56af4688df507Evan Cheng // INSERT_SUBREG - This node is used to insert a sub-register value. 304557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb // This node takes a superreg, a subreg value, and a constant sub-register 3054499e495eabe8de7d595416a03c56af4688df507Evan Cheng // index as operands. 306557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb INSERT_SUBREG, 307557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb 308bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner // MULHU/MULHS - Multiply high - Multiply two integers of type iN, producing 309b36904be918b72cc4c714552d42d6a713f27bbf5Duncan Sands // an unsigned/signed value of type i[2*N], then return the top part. 310bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner MULHU, MULHS, 31163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 31235ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // Bitwise operators - logical and, logical or, logical xor, shift left, 31335ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // shift right algebraic (shift in sign bits), shift right logical (shift in 31435ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // zeroes), rotate left, rotate right, and byteswap. 31535ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman AND, OR, XOR, SHL, SRA, SRL, ROTL, ROTR, BSWAP, 31663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 317691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth // Counting operators 318691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth CTTZ, CTLZ, CTPOP, 319691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth 320fa984b61e42c94ad7e66cf2880ca826dba488d30Chris Lattner // Select(COND, TRUEVAL, FALSEVAL) 3219373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman SELECT, 3229373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman 3239373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // Select with condition operator - This selects between a true value and 3249373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // a false value (ops #2 and #3) based on the boolean result of comparing 3259373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // the lhs and rhs (ops #0 and #1) of a conditional expression with the 3269373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // condition code in op #4, a CondCodeSDNode. 3279373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman SELECT_CC, 32863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 32963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // SetCC operator - This evaluates to a boolean (i1) true value if the 3307cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // condition is true. The operands to this are the left and right operands 3317cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // to compare (ops #0, and #1) and the condition code to compare them with 3327cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // (op #2) as a CondCodeSDNode. 33363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETCC, 33463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 33514c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // SHL_PARTS/SRA_PARTS/SRL_PARTS - These operators are used for expanded 33614c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // integer shift operations, just like ADD/SUB_PARTS. The operation 33714c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // ordering is: 3386b8f2d649c1e96e0222be9de1e5d6c79e3eef021Chris Lattner // [Lo,Hi] = op [LoLHS,HiLHS], Amt 33914c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner SHL_PARTS, SRA_PARTS, SRL_PARTS, 34014c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner 34163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Conversion operators. These are all single input single output 34263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // operations. For all of these, the result type must be strictly 34363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // wider or narrower (depending on the operation) than the source 34463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // type. 34563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 34663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // SIGN_EXTEND - Used for integer types, replicating the sign bit 34763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // into new bits. 34863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SIGN_EXTEND, 34963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 35063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // ZERO_EXTEND - Used for integer types, zeroing the new bits. 35163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner ZERO_EXTEND, 35263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3537e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner // ANY_EXTEND - Used for integer types. The high bits are undefined. 3547e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner ANY_EXTEND, 3557e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner 35663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // TRUNCATE - Completely drop the high bits. 35763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner TRUNCATE, 35863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3591645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // [SU]INT_TO_FP - These operators convert integers (whose interpreted sign 3601645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // depends on the first letter) to floating point. 3611645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner SINT_TO_FP, 3621645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner UINT_TO_FP, 3631645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner 364ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // SIGN_EXTEND_INREG - This operator atomically performs a SHL/SRA pair to 365ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // sign extend a small value in a large integer register (e.g. sign 366ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // extending the low 8 bits of a 32-bit register to fill the top 24 bits 36715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // with the 7th bit). The size of the smaller type is indicated by the 1th 36815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // operand, a ValueType node. 369859157daee6a4b49e99921832e1dde065167b317Chris Lattner SIGN_EXTEND_INREG, 370859157daee6a4b49e99921832e1dde065167b317Chris Lattner 3710bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// FP_TO_[US]INT - Convert a floating point value to a signed or unsigned 3720bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// integer. 3731645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner FP_TO_SINT, 3741645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner FP_TO_UINT, 3751645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner 3760bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// X = FP_ROUND(Y, TRUNC) - Rounding 'Y' from a larger floating point type 3770bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// down to the precision of the destination VT. TRUNC is a flag, which is 3780bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// always an integer that is zero or one. If TRUNC is 0, this is a 3790bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// normal rounding, if it is 1, this FP_ROUND is known to not change the 3800bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// value of Y. 3810bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// 3820bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// The TRUNC = 1 case is used in cases where we know that the value will 3830bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// not be modified by the node, because Y is not using any of the extra 3840bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// precision of source type. This allows certain transformations like 3850bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// FP_EXTEND(FP_ROUND(X,1)) -> X which are not safe for 3860bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// FP_EXTEND(FP_ROUND(X,0)) because the extra bits aren't removed. 38763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner FP_ROUND, 3880bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner 3891a0248690aaa9f7baaf1247e5f65a1c0c9e3783cDan Gohman // FLT_ROUNDS_ - Returns current rounding mode: 390917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // -1 Undefined 391917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // 0 Round to 0 392917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // 1 Round to nearest 393917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // 2 Round to +inf 394917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // 3 Round to -inf 3951a0248690aaa9f7baaf1247e5f65a1c0c9e3783cDan Gohman FLT_ROUNDS_, 396917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov 3970bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// X = FP_ROUND_INREG(Y, VT) - This operator takes an FP register, and 3980bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// rounds it to a floating point value. It then promotes it and returns it 3990bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// in a register of the same size. This operation effectively just 4000bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// discards excess precision. The type to round down to is specified by 4010bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// the VT operand, a VTSDNode. 402859157daee6a4b49e99921832e1dde065167b317Chris Lattner FP_ROUND_INREG, 403859157daee6a4b49e99921832e1dde065167b317Chris Lattner 4040bd4893a0726889b942405262e53d06cf3fe3be8Chris Lattner /// X = FP_EXTEND(Y) - Extend a smaller FP type into a larger FP type. 40563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner FP_EXTEND, 40663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 4071ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner // BIT_CONVERT - Theis operator converts between integer and FP values, as 4081ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner // if one was stored to memory as integer and the other was loaded from the 40980f55abf009c86bc03821e10746832f88f8a735fChris Lattner // same address (or equivalently for vector format conversions, etc). The 41080f55abf009c86bc03821e10746832f88f8a735fChris Lattner // source and result are required to have the same bit size (e.g. 41180f55abf009c86bc03821e10746832f88f8a735fChris Lattner // f32 <-> i32). This can also be used for int-to-int or fp-to-fp 41280f55abf009c86bc03821e10746832f88f8a735fChris Lattner // conversions, but that is a noop, deleted by getNode(). 4131ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner BIT_CONVERT, 4141ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner 41507f04fd574a59c690f297fd10c2e0dd14093675eDan Gohman // FNEG, FABS, FSQRT, FSIN, FCOS, FPOWI, FPOW - Perform unary floating point 41607f04fd574a59c690f297fd10c2e0dd14093675eDan Gohman // negation, absolute value, square root, sine and cosine, powi, and pow 417dd2afb0e1f65bc41d2c0053468fcddfd696a8231Chris Lattner // operations. 41807f04fd574a59c690f297fd10c2e0dd14093675eDan Gohman FNEG, FABS, FSQRT, FSIN, FCOS, FPOWI, FPOW, 41938bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner 4208862ef148100070b7bf28beead3951464250c926Evan Cheng // LOAD and STORE have token chains as their first operand, then the same 4218862ef148100070b7bf28beead3951464250c926Evan Cheng // operands as an LLVM load/store instruction, then an offset node that 4228862ef148100070b7bf28beead3951464250c926Evan Cheng // is added / subtracted from the base pointer to form the address (for 4238862ef148100070b7bf28beead3951464250c926Evan Cheng // indexed memory ops). 42463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner LOAD, STORE, 425ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 42663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // DYNAMIC_STACKALLOC - Allocate some number of bytes on the stack aligned 42757fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // to a specified boundary. This node always has two return values: a new 42857fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // stack pointer value and a chain. The first operand is the token chain, 42957fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // the second is the number of bytes to allocate, and the third is the 43057fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // alignment boundary. The size is guaranteed to be a multiple of the stack 43157fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // alignment, and the alignment is guaranteed to be bigger than the stack 43274fe063e90045931eefaba561730e6a9175ced78Chris Lattner // alignment (if required) or 0 to get standard stack alignment. 43363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner DYNAMIC_STACKALLOC, 43463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 43563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Control flow instructions. These all have token chains. 436ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 43763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BR - Unconditional branch. The first operand is the chain 43863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // operand, the second is the MBB to branch to. 43963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BR, 44063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 44137efe6764568a3829fee26aba532283131d1a104Nate Begeman // BRIND - Indirect branch. The first operand is the chain, the second 44237efe6764568a3829fee26aba532283131d1a104Nate Begeman // is the value to branch to, which must be of the same type as the target's 44337efe6764568a3829fee26aba532283131d1a104Nate Begeman // pointer type. 44437efe6764568a3829fee26aba532283131d1a104Nate Begeman BRIND, 445c41cd9c391f1f69adf416145a5a1308d7ce342fcEvan Cheng 446c41cd9c391f1f69adf416145a5a1308d7ce342fcEvan Cheng // BR_JT - Jumptable branch. The first operand is the chain, the second 447c41cd9c391f1f69adf416145a5a1308d7ce342fcEvan Cheng // is the jumptable index, the last one is the jumptable entry index. 448c41cd9c391f1f69adf416145a5a1308d7ce342fcEvan Cheng BR_JT, 44937efe6764568a3829fee26aba532283131d1a104Nate Begeman 45063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BRCOND - Conditional branch. The first operand is the chain, 45163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // the second is the condition, the third is the block to branch 45263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // to if the condition is true. 45363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BRCOND, 45463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 4557cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // BR_CC - Conditional branch. The behavior is like that of SELECT_CC, in 4567cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // that the condition is represented as condition code, and two nodes to 4577cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // compare, rather than as a combined SetCC node. The operands in order are 4587cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // chain, cc, lhs, rhs, block to branch to if condition is true. 4597cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman BR_CC, 4607cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 46163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // RET - Return from function. The first operand is the chain, 4628e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng // and any subsequent operands are pairs of return value and return value 4638e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng // signness for the function. This operation can have variable number of 4648e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng // operands. 46563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner RET, 46663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 4677572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // INLINEASM - Represents an inline asm block. This node always has two 4687572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // return values: a chain and a flag result. The inputs are as follows: 4697572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #0 : Input chain. 4707572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #1 : a ExternalSymbolSDNode with a pointer to the asm string. 4717572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #2n+2: A RegisterNode. 4727572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #2n+3: A TargetConstant, indicating if the reg is a use/def 4737572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #last: Optional, an incoming flag. 4747572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner INLINEASM, 4751ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey 4761ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // LABEL - Represents a label in mid basic block used to track 4771ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // locations needed for debug and exception handling tables. This node 4781ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // returns a chain. 4791ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // Operand #0 : input chain. 4801ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // Operand #1 : module unique number use to identify the label. 481bb81d97feb396a8bb21d074db1c57e9f66525f40Evan Cheng // Operand #2 : 0 indicates a debug label (e.g. stoppoint), 1 indicates 482bb81d97feb396a8bb21d074db1c57e9f66525f40Evan Cheng // a EH label, 2 indicates unknown label type. 4831ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey LABEL, 484a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng 485a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng // DECLARE - Represents a llvm.dbg.declare intrinsic. It's used to track 486a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng // local variable declarations for debugging information. First operand is 487a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng // a chain, while the next two operands are first two arguments (address 488a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng // and variable) of a llvm.dbg.declare instruction. 489a844bdeab31ef04221e7ef59a8467893584cc14dEvan Cheng DECLARE, 490f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey 4915a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // STACKSAVE - STACKSAVE has one operand, an input chain. It produces a 4925a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // value, the same type as the pointer type for the system, and an output 4935a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // chain. 4945a67afc118d47a0061ca9809c763451ea3125306Chris Lattner STACKSAVE, 4955a67afc118d47a0061ca9809c763451ea3125306Chris Lattner 4965a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // STACKRESTORE has two operands, an input chain and a pointer to restore to 4975a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // it returns an output chain. 4985a67afc118d47a0061ca9809c763451ea3125306Chris Lattner STACKRESTORE, 4995a67afc118d47a0061ca9809c763451ea3125306Chris Lattner 50016cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // CALLSEQ_START/CALLSEQ_END - These operators mark the beginning and end of 50116cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // a call sequence, and carry arbitrary information that target might want 50216cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // to know. The first operand is a chain, the rest are specified by the 50316cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // target and not touched by the DAG optimizers. 5040ea0356dff38dfd0420b8c0a2fdf2fae7898c024Dale Johannesen // CALLSEQ_START..CALLSEQ_END pairs may not be nested. 50516cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner CALLSEQ_START, // Beginning of a call sequence 50616cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner CALLSEQ_END, // End of a call sequence 507acc398c195a697795bff3245943d104eb19192b9Nate Begeman 508acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VAARG - VAARG has three operands: an input chain, a pointer, and a 509acc398c195a697795bff3245943d104eb19192b9Nate Begeman // SRCVALUE. It returns a pair of values: the vaarg value and a new chain. 510acc398c195a697795bff3245943d104eb19192b9Nate Begeman VAARG, 511acc398c195a697795bff3245943d104eb19192b9Nate Begeman 512acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VACOPY - VACOPY has five operands: an input chain, a destination pointer, 513acc398c195a697795bff3245943d104eb19192b9Nate Begeman // a source pointer, a SRCVALUE for the destination, and a SRCVALUE for the 514acc398c195a697795bff3245943d104eb19192b9Nate Begeman // source. 515acc398c195a697795bff3245943d104eb19192b9Nate Begeman VACOPY, 516acc398c195a697795bff3245943d104eb19192b9Nate Begeman 517acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VAEND, VASTART - VAEND and VASTART have three operands: an input chain, a 518acc398c195a697795bff3245943d104eb19192b9Nate Begeman // pointer, and a SRCVALUE. 519acc398c195a697795bff3245943d104eb19192b9Nate Begeman VAEND, VASTART, 52063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 52169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman // SRCVALUE - This is a node type that holds a Value* that is used to 52269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman // make reference to a value in the LLVM IR. 52321074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner SRCVALUE, 52421074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner 52536b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman // MEMOPERAND - This is a node that contains a MachineMemOperand which 52636b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman // records information about a memory reference. This is used to make 52736b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman // AliasAnalysis queries from the backend. 52869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman MEMOPERAND, 52969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 530e3f570c3f9048bc71a9f5841343eae63719e439bMisha Brukman // PCMARKER - This corresponds to the pcmarker intrinsic. 53195762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth PCMARKER, 53263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 533aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth // READCYCLECOUNTER - This corresponds to the readcyclecounter intrinsic. 5348b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // The only operand is a chain and a value and a chain are produced. The 5358b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // value is the contents of the architecture specific cycle counter like 5368b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // register (or other high accuracy low latency clock source) 537aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth READCYCLECOUNTER, 538aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth 539d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner // HANDLENODE node - Used as a handle for various purposes. 540d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner HANDLENODE, 5412d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 54247725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // LOCATION - This node is used to represent a source location for debug 54347725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // info. It takes token chain as input, then a line number, then a column 54447725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // number, then a filename, then a working dir. It produces a token chain 54547725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // as output. 54647725d059b259f8a0c145478300c9e9caa006b59Chris Lattner LOCATION, 54747725d059b259f8a0c145478300c9e9caa006b59Chris Lattner 548f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey // DEBUG_LOC - This node is used to represent source line information 549abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // embedded in the code. It takes a token chain as input, then a line 55044c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey // number, then a column then a file id (provided by MachineModuleInfo.) It 551abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // produces a token chain as output. 552f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey DEBUG_LOC, 55336397f50343639ce9a25996f2d790c656791ab92Duncan Sands 55436397f50343639ce9a25996f2d790c656791ab92Duncan Sands // TRAMPOLINE - This corresponds to the init_trampoline intrinsic. 55536397f50343639ce9a25996f2d790c656791ab92Duncan Sands // It takes as input a token chain, the pointer to the trampoline, 55636397f50343639ce9a25996f2d790c656791ab92Duncan Sands // the pointer to the nested function, the pointer to pass for the 55736397f50343639ce9a25996f2d790c656791ab92Duncan Sands // 'nest' parameter, a SRCVALUE for the trampoline and another for 55836397f50343639ce9a25996f2d790c656791ab92Duncan Sands // the nested function (allowing targets to access the original 559f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // Function*). It produces the result of the intrinsic and a token 560f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // chain as output. 56136397f50343639ce9a25996f2d790c656791ab92Duncan Sands TRAMPOLINE, 56236397f50343639ce9a25996f2d790c656791ab92Duncan Sands 56366fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov // TRAP - Trapping instruction 56466fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov TRAP, 56566fac79b899904ddd82e5ee354a6d370d80230f6Anton Korobeynikov 56627b7db549e4c5bff4579d209304de5628513edebEvan Cheng // PREFETCH - This corresponds to a prefetch intrinsic. It takes chains are 56727b7db549e4c5bff4579d209304de5628513edebEvan Cheng // their first operand. The other operands are the address to prefetch, 56827b7db549e4c5bff4579d209304de5628513edebEvan Cheng // read / write specifier, and locality specifier. 56927b7db549e4c5bff4579d209304de5628513edebEvan Cheng PREFETCH, 57027b7db549e4c5bff4579d209304de5628513edebEvan Cheng 57122c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth // OUTCHAIN = MEMBARRIER(INCHAIN, load-load, load-store, store-load, 57222c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth // store-store, device) 573ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // This corresponds to the memory.barrier intrinsic. 57422c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth // it takes an input chain, 4 operands to specify the type of barrier, an 57522c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth // operand specifying if the barrier applies to device and uncached memory 57622c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth // and produces an output chain. 57722c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth MEMBARRIER, 57822c5c1b2dfcb1da6a7ebfebea903401fc77d56e6Andrew Lenharth 579ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Val, OUTCHAIN = ATOMIC_LCS(INCHAIN, ptr, cmp, swap) 580ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // this corresponds to the atomic.lcs intrinsic. 581ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // cmp is compared to *ptr, and if equal, swap is stored in *ptr. 582ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // the return is always the original value in *ptr 583ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth ATOMIC_LCS, 584ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 585ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Val, OUTCHAIN = ATOMIC_LAS(INCHAIN, ptr, amt) 586ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // this corresponds to the atomic.las intrinsic. 587ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // *ptr + amt is stored to *ptr atomically. 588ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // the return is always the original value in *ptr 589ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth ATOMIC_LAS, 590ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 591ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // Val, OUTCHAIN = ATOMIC_SWAP(INCHAIN, ptr, amt) 592ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // this corresponds to the atomic.swap intrinsic. 593ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // amt is stored to *ptr atomically. 594ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth // the return is always the original value in *ptr 595ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth ATOMIC_SWAP, 596ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 59763307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang // Val, OUTCHAIN = ATOMIC_LSS(INCHAIN, ptr, amt) 59863307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang // this corresponds to the atomic.lss intrinsic. 59963307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang // *ptr - amt is stored to *ptr atomically. 60063307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang // the return is always the original value in *ptr 60163307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang ATOMIC_LSS, 60263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang 60363307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang // Val, OUTCHAIN = ATOMIC_L[OpName]S(INCHAIN, ptr, amt) 60463307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang // this corresponds to the atomic.[OpName] intrinsic. 60563307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang // op(*ptr, amt) is stored to *ptr atomically. 60663307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang // the return is always the original value in *ptr 60763307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang ATOMIC_LOAD_AND, 60863307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang ATOMIC_LOAD_OR, 60963307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang ATOMIC_LOAD_XOR, 61063307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang ATOMIC_LOAD_MIN, 61163307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang ATOMIC_LOAD_MAX, 61263307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang ATOMIC_LOAD_UMIN, 61363307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang ATOMIC_LOAD_UMAX, 61463307c335aa08b0d6a75f81d64d79af7e90eb78bMon P Wang 61563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BUILTIN_OP_END - This must be the last enum value in this list. 616410354fe0c052141dadeca939395743f8dd58e38Chris Lattner BUILTIN_OP_END 61763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner }; 61863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 619322dcd379eb19ea8d01478a661920ea1ce62fa0dChris Lattner /// Node predicates 620322dcd379eb19ea8d01478a661920ea1ce62fa0dChris Lattner 621a8df166fbef047c90adba3c673162a1b1f6681c4Evan Cheng /// isBuildVectorAllOnes - Return true if the specified node is a 622322dcd379eb19ea8d01478a661920ea1ce62fa0dChris Lattner /// BUILD_VECTOR where all of the elements are ~0 or undef. 623a8df166fbef047c90adba3c673162a1b1f6681c4Evan Cheng bool isBuildVectorAllOnes(const SDNode *N); 6244a147842eb24a7611fcd7bfb37c55185b4664927Evan Cheng 6254a147842eb24a7611fcd7bfb37c55185b4664927Evan Cheng /// isBuildVectorAllZeros - Return true if the specified node is a 6264a147842eb24a7611fcd7bfb37c55185b4664927Evan Cheng /// BUILD_VECTOR where all of the elements are 0 or undef. 6274a147842eb24a7611fcd7bfb37c55185b4664927Evan Cheng bool isBuildVectorAllZeros(const SDNode *N); 628bb81d97feb396a8bb21d074db1c57e9f66525f40Evan Cheng 629efec751a1b786724862ceff52748df94873a807eEvan Cheng /// isScalarToVector - Return true if the specified node is a 630efec751a1b786724862ceff52748df94873a807eEvan Cheng /// ISD::SCALAR_TO_VECTOR node or a BUILD_VECTOR node where only the low 631efec751a1b786724862ceff52748df94873a807eEvan Cheng /// element is not an undef. 632efec751a1b786724862ceff52748df94873a807eEvan Cheng bool isScalarToVector(const SDNode *N); 633efec751a1b786724862ceff52748df94873a807eEvan Cheng 634bb81d97feb396a8bb21d074db1c57e9f66525f40Evan Cheng /// isDebugLabel - Return true if the specified node represents a debug 635fc718542a3e73558af9c0272b0eea67a189e5397Evan Cheng /// label (i.e. ISD::LABEL or TargetInstrInfo::LABEL node and third operand 636bb81d97feb396a8bb21d074db1c57e9f66525f40Evan Cheng /// is 0). 637bb81d97feb396a8bb21d074db1c57e9f66525f40Evan Cheng bool isDebugLabel(const SDNode *N); 638322dcd379eb19ea8d01478a661920ea1ce62fa0dChris Lattner 63963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 640144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng /// MemIndexedMode enum - This enum defines the load / store indexed 641144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng /// addressing modes. 64224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 64324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// UNINDEXED "Normal" load / store. The effective address is already 64424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// computed and is available in the base pointer. The offset 64581c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// operand is always undefined. In addition to producing a 64681c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// chain, an unindexed load produces one value (result of the 647276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands /// load); an unindexed store does not produce a value. 64824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 64935acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng /// PRE_INC Similar to the unindexed mode where the effective address is 6508862ef148100070b7bf28beead3951464250c926Evan Cheng /// PRE_DEC the value of the base pointer add / subtract the offset. 6518862ef148100070b7bf28beead3951464250c926Evan Cheng /// It considers the computation as being folded into the load / 65224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// store operation (i.e. the load / store does the address 65324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// computation as well as performing the memory transaction). 65481c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// The base operand is always undefined. In addition to 65581c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// producing a chain, pre-indexed load produces two values 65681c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// (result of the load and the result of the address 65781c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// computation); a pre-indexed store produces one value (result 65881c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// of the address computation). 65924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 66035acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng /// POST_INC The effective address is the value of the base pointer. The 6618862ef148100070b7bf28beead3951464250c926Evan Cheng /// POST_DEC value of the offset operand is then added to / subtracted 6628862ef148100070b7bf28beead3951464250c926Evan Cheng /// from the base after memory transaction. In addition to 6638862ef148100070b7bf28beead3951464250c926Evan Cheng /// producing a chain, post-indexed load produces two values 6648862ef148100070b7bf28beead3951464250c926Evan Cheng /// (the result of the load and the result of the base +/- offset 6658862ef148100070b7bf28beead3951464250c926Evan Cheng /// computation); a post-indexed store produces one value (the 6668862ef148100070b7bf28beead3951464250c926Evan Cheng /// the result of the base +/- offset computation). 66724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 668144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng enum MemIndexedMode { 66924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng UNINDEXED = 0, 67035acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng PRE_INC, 67135acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng PRE_DEC, 67235acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng POST_INC, 673144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng POST_DEC, 674144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng LAST_INDEXED_MODE 67524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng }; 67624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 67724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng //===--------------------------------------------------------------------===// 678c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// LoadExtType enum - This enum defines the three variants of LOADEXT 679c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// (load with extension). 680c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// 68124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// SEXTLOAD loads the integer operand and sign extends it to a larger 68224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// integer result type. 68324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// ZEXTLOAD loads the integer operand and zero extends it to a larger 68424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// integer result type. 68524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// EXTLOAD is used for three things: floating point extending loads, 68624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// integer extending loads [the top bits are undefined], and vector 68724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// extending loads [load into low elt]. 68824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 689c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng enum LoadExtType { 69024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng NON_EXTLOAD = 0, 691c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng EXTLOAD, 692c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng SEXTLOAD, 693c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng ZEXTLOAD, 694c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng LAST_LOADX_TYPE 695c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng }; 696c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 697c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng //===--------------------------------------------------------------------===// 69863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// ISD::CondCode enum - These are ordered carefully to make the bitfields 69963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// below work out, when considering SETFALSE (something that never exists 70063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// dynamically) as 0. "U" -> Unsigned (for integer operands) or Unordered 70163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// (for floating point), "L" -> Less than, "G" -> Greater than, "E" -> Equal 70263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// to. If the "N" column is 1, the result of the comparison is undefined if 70363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// the input is a NAN. 70463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 70563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// All of these (except for the 'always folded ops') should be handled for 70663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// floating point. For integer, only the SETEQ,SETNE,SETLT,SETLE,SETGT, 70763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// SETGE,SETULT,SETULE,SETUGT, and SETUGE opcodes are used. 70863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 70963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// Note that these are laid out in a specific order to allow bit-twiddling 71063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// to transform conditions. 71163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner enum CondCode { 71263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Opcode N U L G E Intuitive operation 71363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETFALSE, // 0 0 0 0 Always false (always folded) 71463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOEQ, // 0 0 0 1 True if ordered and equal 71563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOGT, // 0 0 1 0 True if ordered and greater than 71663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOGE, // 0 0 1 1 True if ordered and greater than or equal 71763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOLT, // 0 1 0 0 True if ordered and less than 71863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOLE, // 0 1 0 1 True if ordered and less than or equal 71963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETONE, // 0 1 1 0 True if ordered and operands are unequal 72063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETO, // 0 1 1 1 True if ordered (no nans) 72163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUO, // 1 0 0 0 True if unordered: isnan(X) | isnan(Y) 72263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUEQ, // 1 0 0 1 True if unordered or equal 72363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUGT, // 1 0 1 0 True if unordered or greater than 72463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUGE, // 1 0 1 1 True if unordered, greater than, or equal 72563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETULT, // 1 1 0 0 True if unordered or less than 726ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SETULE, // 1 1 0 1 True if unordered, less than, or equal 72763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUNE, // 1 1 1 0 True if unordered or not equal 72863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETTRUE, // 1 1 1 1 Always true (always folded) 72963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Don't care operations: undefined if the input is a nan. 73063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETFALSE2, // 1 X 0 0 0 Always false (always folded) 73163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETEQ, // 1 X 0 0 1 True if equal 73263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETGT, // 1 X 0 1 0 True if greater than 73363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETGE, // 1 X 0 1 1 True if greater than or equal 73463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETLT, // 1 X 1 0 0 True if less than 735ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SETLE, // 1 X 1 0 1 True if less than or equal 73663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETNE, // 1 X 1 1 0 True if not equal 73763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETTRUE2, // 1 X 1 1 1 Always true (always folded) 73863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 739410354fe0c052141dadeca939395743f8dd58e38Chris Lattner SETCC_INVALID // Marker value. 74063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner }; 74163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 74263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isSignedIntSetCC - Return true if this is a setcc instruction that 74363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// performs a signed comparison when used with integer operands. 74463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isSignedIntSetCC(CondCode Code) { 74563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Code == SETGT || Code == SETGE || Code == SETLT || Code == SETLE; 74663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 74763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 74863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isUnsignedIntSetCC - Return true if this is a setcc instruction that 74963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// performs an unsigned comparison when used with integer operands. 75063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isUnsignedIntSetCC(CondCode Code) { 75163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Code == SETUGT || Code == SETUGE || Code == SETULT || Code == SETULE; 75263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 75363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 75463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isTrueWhenEqual - Return true if the specified condition returns true if 75563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// the two operands to the condition are equal. Note that if one of the two 75663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operands is a NaN, this value is meaningless. 75763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isTrueWhenEqual(CondCode Cond) { 75863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return ((int)Cond & 1) != 0; 75963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 76063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 76163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getUnorderedFlavor - This function returns 0 if the condition is always 76263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// false if an operand is a NaN, 1 if the condition is always true if the 76363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operand is a NaN, and 2 if the condition is undefined if the operand is a 76463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// NaN. 76563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getUnorderedFlavor(CondCode Cond) { 76663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return ((int)Cond >> 3) & 3; 76763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 76863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 76963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCInverse - Return the operation corresponding to !(X op Y), where 77063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 'op' is a valid SetCC operation. 77163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCInverse(CondCode Operation, bool isInteger); 77263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 77363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCSwappedOperands - Return the operation corresponding to (Y op X) 77463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// when given the operation for (X op Y). 77563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCSwappedOperands(CondCode Operation); 77663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 77763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCOrOperation - Return the result of a logical OR between different 77863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// comparisons of identical values: ((X op1 Y) | (X op2 Y)). This 77963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// function returns SETCC_INVALID if it is not possible to represent the 78063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// resultant comparison. 78163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCOrOperation(CondCode Op1, CondCode Op2, bool isInteger); 78263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 78363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCAndOperation - Return the result of a logical AND between 78463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// different comparisons of identical values: ((X op1 Y) & (X op2 Y)). This 78563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// function returns SETCC_INVALID if it is not possible to represent the 78663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// resultant comparison. 78763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCAndOperation(CondCode Op1, CondCode Op2, bool isInteger); 78863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} // end llvm::ISD namespace 78963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 79063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 79163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===----------------------------------------------------------------------===// 7929cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein/// SDOperand - Unlike LLVM values, Selection DAG nodes may return multiple 79363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// values as the result of a computation. Many nodes return multiple values, 79463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// from loads (which define a token and a return value) to ADDC (which returns 79563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// a result and a carry value), to calls (which may return an arbitrary number 79663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// of values). 79763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 79863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// As such, each use of a SelectionDAG computation must indicate the node that 79963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// computes it as well as which return value to use from that node. This pair 8009cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein/// of information is represented with the SDOperand value type. 80163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 8029cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteinclass SDOperand { 803f26bc8ef4827cf0023a7052b62b920b41813d473Chris Lattnerpublic: 80463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDNode *Val; // The node defining the value we are using. 80563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned ResNo; // Which return value of the node we are using. 80663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 8079cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperand() : Val(0), ResNo(0) {} 8089cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperand(SDNode *val, unsigned resno) : Val(val), ResNo(resno) {} 80963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 8109cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein bool operator==(const SDOperand &O) const { 81163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val == O.Val && ResNo == O.ResNo; 81263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 8139cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein bool operator!=(const SDOperand &O) const { 81463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return !operator==(O); 81563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 8169cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein bool operator<(const SDOperand &O) const { 81763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val < O.Val || (Val == O.Val && ResNo < O.ResNo); 81863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 81963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 8209cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperand getValue(unsigned R) const { 8219cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return SDOperand(Val, R); 82263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 82363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 824917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng // isOperandOf - Return true if this node is an operand of N. 825917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng bool isOperandOf(SDNode *N) const; 826bfa284f69752c54f81bffc2b0d15d5c1e618a659Evan Cheng 82763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getValueType - Return the ValueType of the referenced return value. 82863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 82963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline MVT::ValueType getValueType() const; 830ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 8314fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman /// getValueSizeInBits - Returns MVT::getSizeInBits(getValueType()). 8324fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman /// 8334fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman unsigned getValueSizeInBits() const { 8344fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman return MVT::getSizeInBits(getValueType()); 8354fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman } 8364fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman 83763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Forwarding methods - These forward to the corresponding methods in SDNode. 83863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getOpcode() const; 83963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getNumOperands() const; 8409cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein inline const SDOperand &getOperand(unsigned i) const; 841c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng inline uint64_t getConstantOperandVal(unsigned i) const; 8420f66a9172175aa7c3055333358170581c999219bNate Begeman inline bool isTargetOpcode() const; 8430f66a9172175aa7c3055333358170581c999219bNate Begeman inline unsigned getTargetOpcode() const; 844a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner 845572dee71af1313e6742e1dfd5274fff326b9ef1cChris Lattner 846572dee71af1313e6742e1dfd5274fff326b9ef1cChris Lattner /// reachesChainWithoutSideEffects - Return true if this operand (which must 847572dee71af1313e6742e1dfd5274fff326b9ef1cChris Lattner /// be a chain) reaches the specified operand without crossing any 848572dee71af1313e6742e1dfd5274fff326b9ef1cChris Lattner /// side-effecting instructions. In practice, this looks through token 849572dee71af1313e6742e1dfd5274fff326b9ef1cChris Lattner /// factors and non-volatile loads. In order to remain efficient, this only 850572dee71af1313e6742e1dfd5274fff326b9ef1cChris Lattner /// looks a couple of nodes in, it does not do an exhaustive search. 8519cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein bool reachesChainWithoutSideEffects(SDOperand Dest, 852dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein unsigned Depth = 2) const; 853572dee71af1313e6742e1dfd5274fff326b9ef1cChris Lattner 854a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner /// hasOneUse - Return true if there is exactly one operation using this 855a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner /// result value of the defining operator. 856a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner inline bool hasOneUse() const; 857e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman 858e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman /// use_empty - Return true if there are no operations using this 859e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman /// result value of the defining operator. 860e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman inline bool use_empty() const; 86163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 86263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 86363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 8649cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteintemplate<> struct DenseMapInfo<SDOperand> { 8659cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein static inline SDOperand getEmptyKey() { 8669cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return SDOperand((SDNode*)-1, -1U); 867dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 8689cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein static inline SDOperand getTombstoneKey() { 8699cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return SDOperand((SDNode*)-1, 0); 870dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 8719cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein static unsigned getHashValue(const SDOperand &Val) { 872ae9f3a3b7c915f725aef5a7250e88eaeddda03c6Anton Korobeynikov return ((unsigned)((uintptr_t)Val.Val >> 4) ^ 873ae9f3a3b7c915f725aef5a7250e88eaeddda03c6Anton Korobeynikov (unsigned)((uintptr_t)Val.Val >> 9)) + Val.ResNo; 874c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng } 8759cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein static bool isEqual(const SDOperand &LHS, const SDOperand &RHS) { 87676c1b97e4020faace8c95a127f1eab66c278fb58Chris Lattner return LHS == RHS; 87776c1b97e4020faace8c95a127f1eab66c278fb58Chris Lattner } 878c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng static bool isPod() { return true; } 879c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng}; 880c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng 88163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// simplify_type specializations - Allow casting operators to work directly on 88263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SDOperands as if they were SDNode*'s. 8839cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteintemplate<> struct simplify_type<SDOperand> { 884dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein typedef SDNode* SimpleType; 8859cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein static SimpleType getSimplifiedValue(const SDOperand &Val) { 886dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return static_cast<SimpleType>(Val.Val); 887dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 888dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein}; 8899cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteintemplate<> struct simplify_type<const SDOperand> { 890dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein typedef SDNode* SimpleType; 8919cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein static SimpleType getSimplifiedValue(const SDOperand &Val) { 892dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return static_cast<SimpleType>(Val.Val); 893dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 894dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein}; 895dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 8969cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein/// SDUse - Represents a use of the SDNode referred by 8979cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein/// the SDOperand. 8989cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteinclass SDUse { 8999cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperand Operand; 90002819257a625d0d9a186845354baadd6e8f1890bRoman Levenstein /// User - Parent node of this operand. 90102819257a625d0d9a186845354baadd6e8f1890bRoman Levenstein SDNode *User; 902dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// Prev, next - Pointers to the uses list of the SDNode referred by 903dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// this operand. 9049cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse **Prev, *Next; 905dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levensteinpublic: 906dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein friend class SDNode; 90702819257a625d0d9a186845354baadd6e8f1890bRoman Levenstein SDUse(): Operand(), User(NULL), Prev(NULL), Next(NULL) {} 908dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 9099cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse(SDNode *val, unsigned resno) : 91002819257a625d0d9a186845354baadd6e8f1890bRoman Levenstein Operand(val,resno), User(NULL), Prev(NULL), Next(NULL) {} 911dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 9129cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse& operator= (const SDOperand& Op) { 9139cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein Operand = Op; 914dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Next = NULL; 915dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Prev = NULL; 916dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return *this; 917dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 918dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 9199cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse& operator= (const SDUse& Op) { 9209cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein Operand = Op; 921dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Next = NULL; 922dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Prev = NULL; 923dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return *this; 924dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 925dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 9269cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse * getNext() { return Next; } 927dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 92802819257a625d0d9a186845354baadd6e8f1890bRoman Levenstein SDNode *getUser() { return User; } 9299cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 93002819257a625d0d9a186845354baadd6e8f1890bRoman Levenstein void setUser(SDNode *p) { User = p; } 931dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 9329cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein operator SDOperand() const { return Operand; } 9339cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 9349cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein const SDOperand& getSDOperand() const { return Operand; } 9359cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 9369cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDNode* &getVal () { return Operand.Val; } 9379cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 9389cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein bool operator==(const SDOperand &O) const { 9399cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return Operand == O; 9409cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 9419cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 9429cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein bool operator!=(const SDOperand &O) const { 9439cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return !(Operand == O); 9449cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 9459cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 9469cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein bool operator<(const SDOperand &O) const { 9479cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return Operand < O; 9489cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 9499cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 950dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levensteinprotected: 9519cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein void addToList(SDUse **List) { 952dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Next = *List; 953dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein if (Next) Next->Prev = &Next; 954dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Prev = List; 955dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein *List = this; 956dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 957dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 958dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein void removeFromList() { 959dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein *Prev = Next; 960dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein if (Next) Next->Prev = Prev; 961dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 962dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein}; 963dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 964dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 965dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein/// simplify_type specializations - Allow casting operators to work directly on 966dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein/// SDOperands as if they were SDNode*'s. 9679cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteintemplate<> struct simplify_type<SDUse> { 96863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner typedef SDNode* SimpleType; 9699cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein static SimpleType getSimplifiedValue(const SDUse &Val) { 9709cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return static_cast<SimpleType>(Val.getSDOperand().Val); 97163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 97263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 9739cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteintemplate<> struct simplify_type<const SDUse> { 97463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner typedef SDNode* SimpleType; 9759cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein static SimpleType getSimplifiedValue(const SDUse &Val) { 9769cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return static_cast<SimpleType>(Val.getSDOperand().Val); 97763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 97863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 97963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 98063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 98102819257a625d0d9a186845354baadd6e8f1890bRoman Levenstein/// SDOperandPtr - A helper SDOperand pointer class, that can handle 9829cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein/// arrays of SDUse and arrays of SDOperand objects. This is required 9839cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein/// in many places inside the SelectionDAG. 9849cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein/// 9859cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteinclass SDOperandPtr { 9869cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein const SDOperand *ptr; // The pointer to the SDOperand object 9879cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein int object_size; // The size of the object containg the SDOperand 9889cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteinpublic: 98935b31bea0dc9e16d4c384a6a78404bdd791b6693Dan Gohman SDOperandPtr() : ptr(0), object_size(0) {} 99035b31bea0dc9e16d4c384a6a78404bdd791b6693Dan Gohman 9919cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperandPtr(SDUse * use_ptr) { 9929cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein ptr = &use_ptr->getSDOperand(); 99334cd4a484e532cc463fd5a4bf59b88d13c5467c1Evan Cheng object_size = (int)sizeof(SDUse); 9949cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 9959cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 9969cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperandPtr(const SDOperand * op_ptr) { 9979cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein ptr = op_ptr; 99834cd4a484e532cc463fd5a4bf59b88d13c5467c1Evan Cheng object_size = (int)sizeof(SDOperand); 9999cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 10009cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 10019cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein const SDOperand operator *() { return *ptr; } 10029cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein const SDOperand *operator ->() { return ptr; } 10039cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperandPtr operator ++ () { 10049cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein ptr = (SDOperand*)((char *)ptr + object_size); 10059cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return *this; 10069cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 10079cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 10089cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperandPtr operator ++ (int) { 10099cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperandPtr tmp = *this; 10109cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein ptr = (SDOperand*)((char *)ptr + object_size); 10119cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return tmp; 10129cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 10139cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 10149cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDOperand operator[] (int idx) const { 10159cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return *(SDOperand*)((char*) ptr + object_size * idx); 10169cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 10179cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein}; 10189cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 101963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SDNode - Represents one node in the SelectionDAG. 102063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 1021583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskeyclass SDNode : public FoldingSetNode { 1022dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levensteinprivate: 10230442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// NodeType - The operation that this node performs. 10240442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// 10250442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner unsigned short NodeType; 102663e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner 102763e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner /// OperandsNeedDelete - This is true if OperandList was new[]'d. If true, 102863e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner /// then they will be delete[]'d when the node is destroyed. 102963e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner bool OperandsNeedDelete : 1; 10300442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 1031b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng /// NodeId - Unique id per SDNode in the DAG. 1032b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng int NodeId; 10330442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 1034f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// OperandList - The values that are used by this operation. 10350442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// 10369cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse *OperandList; 1037f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner 1038f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// ValueList - The types of the values this node defines. SDNode's may 1039f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// define multiple values simultaneously. 10402fa6d3b1fcadbde90eaee0e8e89aebd81630b662Chris Lattner const MVT::ValueType *ValueList; 104163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1042f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// NumOperands/NumValues - The number of entries in the Operand/Value list. 1043f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned short NumOperands, NumValues; 1044b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1045b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner /// Prev/Next pointers - These pointers form the linked list of of the 1046b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner /// AllNodes list in the current DAG. 1047b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner SDNode *Prev, *Next; 1048b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner friend struct ilist_traits<SDNode>; 104963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1050dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// UsesSize - The size of the uses list. 1051dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein unsigned UsesSize; 1052dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1053dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// Uses - List of uses for this SDNode. 10549cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse *Uses; 1055dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 10569cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein /// addUse - add SDUse to the list of uses. 10579cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein void addUse(SDUse &U) { U.addToList(&Uses); } 1058dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1059917d2c9dc2cc8879ed97533e7f75f3f92fa26b61Chris Lattner // Out-of-line virtual method to give class a home. 1060917d2c9dc2cc8879ed97533e7f75f3f92fa26b61Chris Lattner virtual void ANCHOR(); 106163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 1062b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner virtual ~SDNode() { 1063b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner assert(NumOperands == 0 && "Operand list not cleared before deletion"); 10643258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner NodeType = ISD::DELETED_NODE; 1065b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner } 1066b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 106763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 106863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Accessors 106963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // 107063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned getOpcode() const { return NodeType; } 10710f66a9172175aa7c3055333358170581c999219bNate Begeman bool isTargetOpcode() const { return NodeType >= ISD::BUILTIN_OP_END; } 10720f66a9172175aa7c3055333358170581c999219bNate Begeman unsigned getTargetOpcode() const { 10730f66a9172175aa7c3055333358170581c999219bNate Begeman assert(isTargetOpcode() && "Not a target opcode!"); 10740f66a9172175aa7c3055333358170581c999219bNate Begeman return NodeType - ISD::BUILTIN_OP_END; 10750f66a9172175aa7c3055333358170581c999219bNate Begeman } 107663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1077dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein size_t use_size() const { return UsesSize; } 1078dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein bool use_empty() const { return Uses == NULL; } 1079dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein bool hasOneUse() const { return use_size() == 1; } 108063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1081b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng /// getNodeId - Return the unique node id. 1082b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng /// 1083b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng int getNodeId() const { return NodeId; } 10840442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 10852e07d33f04c513f3c2da3d7b1acfc098f02c7a6eEvan Cheng /// setNodeId - Set unique node id. 10862e07d33f04c513f3c2da3d7b1acfc098f02c7a6eEvan Cheng void setNodeId(int Id) { NodeId = Id; } 10872e07d33f04c513f3c2da3d7b1acfc098f02c7a6eEvan Cheng 10889cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein /// use_iterator - This class provides iterator support for SDUse 1089dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// operands that use a specific SDNode. 1090dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein class use_iterator 10919cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein : public forward_iterator<SDUse, ptrdiff_t> { 10929cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse *Op; 10939cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein explicit use_iterator(SDUse *op) : Op(op) { 1094dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1095dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein friend class SDNode; 1096dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein public: 10979cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein typedef forward_iterator<SDUse, ptrdiff_t>::reference reference; 10989cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein typedef forward_iterator<SDUse, ptrdiff_t>::pointer pointer; 1099dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1100dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein use_iterator(const use_iterator &I) : Op(I.Op) {} 1101dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein use_iterator() : Op(0) {} 1102dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1103dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein bool operator==(const use_iterator &x) const { 1104dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return Op == x.Op; 1105dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1106dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein bool operator!=(const use_iterator &x) const { 1107dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return !operator==(x); 1108dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1109dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1110dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// atEnd - return true if this iterator is at the end of uses list. 1111dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein bool atEnd() const { return Op == 0; } 1112dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1113dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein // Iterator traversal: forward iteration only. 1114dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein use_iterator &operator++() { // Preincrement 1115dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein assert(Op && "Cannot increment end iterator!"); 1116dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Op = Op->getNext(); 1117dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return *this; 1118dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1119dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1120dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein use_iterator operator++(int) { // Postincrement 1121dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein use_iterator tmp = *this; ++*this; return tmp; 1122dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1123dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1124dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1125dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// getOperandNum - Retrive a number of a current operand. 1126dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein unsigned getOperandNum() const { 1127dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein assert(Op && "Cannot dereference end iterator!"); 112834cd4a484e532cc463fd5a4bf59b88d13c5467c1Evan Cheng return (unsigned)(Op - Op->getUser()->OperandList); 1129dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1130dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1131dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// Retrieve a reference to the current operand. 11329cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse &operator*() const { 1133dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein assert(Op && "Cannot dereference end iterator!"); 1134dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return *Op; 1135dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1136dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1137dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// Retrieve a pointer to the current operand. 11389cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse *operator->() const { 1139dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein assert(Op && "Cannot dereference end iterator!"); 1140dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return Op; 1141dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1142dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein }; 1143dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1144dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// use_begin/use_end - Provide iteration support to walk over all uses 1145dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein /// of an SDNode. 1146dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1147dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein use_iterator use_begin(SDNode *node) const { 1148dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return use_iterator(node->Uses); 1149dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1150dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1151dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein use_iterator use_begin() const { 1152dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein return use_iterator(Uses); 1153dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1154dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1155dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein static use_iterator use_end() { return use_iterator(0); } 1156dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 11577ece380440238ad0630a225b85a09a2dbed1165aChris Lattner 1158b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// hasNUsesOfValue - Return true if there are exactly NUSES uses of the 1159b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// indicated value. This method ignores uses of other values defined by this 1160b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// operation. 11614ee621125876cc954cba5280dd9395552755a871Evan Cheng bool hasNUsesOfValue(unsigned NUses, unsigned Value) const; 11624ee621125876cc954cba5280dd9395552755a871Evan Cheng 116333d5595d667ba4a880bd7fe785724e8197bef70cEvan Cheng /// hasAnyUseOfValue - Return true if there are any use of the indicated 116433d5595d667ba4a880bd7fe785724e8197bef70cEvan Cheng /// value. This method ignores uses of other values defined by this operation. 116533d5595d667ba4a880bd7fe785724e8197bef70cEvan Cheng bool hasAnyUseOfValue(unsigned Value) const; 116633d5595d667ba4a880bd7fe785724e8197bef70cEvan Cheng 1167917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng /// isOnlyUseOf - Return true if this node is the only use of N. 1168e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// 1169917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng bool isOnlyUseOf(SDNode *N) const; 1170b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner 1171917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng /// isOperandOf - Return true if this node is an operand of N. 1172e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// 1173917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng bool isOperandOf(SDNode *N) const; 117480d8eaae05d9bcb25abf6c6f0385ec2554355f26Evan Cheng 1175917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng /// isPredecessorOf - Return true if this node is a predecessor of N. This 1176917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng /// node is either an operand of N or it can be reached by recursively 1177917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng /// traversing up the operands. 1178e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// NOTE: this is an expensive method. Use it carefully. 1179917be6814e0a4e529d290be5d806a054bbbc4a27Evan Cheng bool isPredecessorOf(SDNode *N) const; 11807ceebb437ebb18efefe72d8d2d0e9c762c3aa6b3Evan Cheng 118163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getNumOperands - Return the number of values used by this operation. 118263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 1183f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned getNumOperands() const { return NumOperands; } 118463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1185c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// getConstantOperandVal - Helper method returns the integer value of a 1186c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// ConstantSDNode operand. 1187c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng uint64_t getConstantOperandVal(unsigned Num) const; 1188c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 118963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const SDOperand &getOperand(unsigned Num) const { 1190f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(Num < NumOperands && "Invalid child # of SDNode!"); 11919cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein return OperandList[Num].getSDOperand(); 119263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 1193c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 11949cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein typedef SDUse* op_iterator; 1195f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner op_iterator op_begin() const { return OperandList; } 1196f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner op_iterator op_end() const { return OperandList+NumOperands; } 119750f5a51f41d36c519de68ff11fbf7c7c76f45416Chris Lattner 119863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 11990b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner SDVTList getVTList() const { 12000b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner SDVTList X = { ValueList, NumValues }; 12010b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner return X; 12020b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner }; 12030b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner 120463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getNumValues - Return the number of values defined/returned by this 120563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operator. 120663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 1207f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned getNumValues() const { return NumValues; } 120863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 120963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getValueType - Return the type of a specified result. 121063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 121163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MVT::ValueType getValueType(unsigned ResNo) const { 1212f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(ResNo < NumValues && "Illegal result number!"); 1213f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner return ValueList[ResNo]; 121463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 12159eb59ec548b861d6ede05b4e6dc22aabf645e665Jeff Cohen 12164fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman /// getValueSizeInBits - Returns MVT::getSizeInBits(getValueType(ResNo)). 12174fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman /// 12184fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman unsigned getValueSizeInBits(unsigned ResNo) const { 12194fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman return MVT::getSizeInBits(getValueType(ResNo)); 12204fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman } 12214fc3d5dac255120e2f0c0b537044fcf56a30fa34Dan Gohman 1222f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner typedef const MVT::ValueType* value_iterator; 1223f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner value_iterator value_begin() const { return ValueList; } 1224f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner value_iterator value_end() const { return ValueList+NumValues; } 122563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 12266e6e3ceb080e5a8bdfd3258d883a06ebbd8a1965Chris Lattner /// getOperationName - Return the opcode of this operation for printing. 12276e6e3ceb080e5a8bdfd3258d883a06ebbd8a1965Chris Lattner /// 1228ded5ed873fa7cd85f0b9d7c677b81dddf9a61eaaReid Spencer std::string getOperationName(const SelectionDAG *G = 0) const; 1229144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng static const char* getIndexedModeName(ISD::MemIndexedMode AM); 123063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner void dump() const; 1231efe58694050e48b61584b8454434dcd1ad886a71Chris Lattner void dump(const SelectionDAG *G) const; 123263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 123363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *) { return true; } 123463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1235583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey /// Profile - Gather unique data for the node. 1236583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey /// 1237583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey void Profile(FoldingSetNodeID &ID); 1238583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey 123963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 124063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1241109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner 1242109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner /// getValueTypeList - Return a pointer to the specified value type. 1243109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner /// 1244547ca537b638c8fd5c8f4729e4c74898f8371e4eDan Gohman static const MVT::ValueType *getValueTypeList(MVT::ValueType VT); 124563e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner static SDVTList getSDVTList(MVT::ValueType VT) { 124663e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner SDVTList Ret = { getValueTypeList(VT), 1 }; 124763e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner return Ret; 12482d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth } 124963e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner 1250ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner SDNode(unsigned Opc, SDVTList VTs, const SDOperand *Ops, unsigned NumOps) 1251dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein : NodeType(Opc), NodeId(-1), UsesSize(0), Uses(NULL) { 125263e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner OperandsNeedDelete = true; 1253f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner NumOperands = NumOps; 12549cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein OperandList = NumOps ? new SDUse[NumOperands] : 0; 12559cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 12569cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein for (unsigned i = 0; i != NumOps; ++i) { 12579cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein OperandList[i] = Ops[i]; 12589cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein OperandList[i].setUser(this); 12599cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein Ops[i].Val->addUse(OperandList[i]); 12609cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein ++Ops[i].Val->UsesSize; 12619cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 12629cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 12639cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein ValueList = VTs.VTs; 12649cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein NumValues = VTs.NumVTs; 12659cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein Prev = 0; Next = 0; 12669cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein } 12679cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein 12689cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDNode(unsigned Opc, SDVTList VTs, SDOperandPtr Ops, unsigned NumOps) 12699cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein : NodeType(Opc), NodeId(-1), UsesSize(0), Uses(NULL) { 12709cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein OperandsNeedDelete = true; 12719cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein NumOperands = NumOps; 12729cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein OperandList = NumOps ? new SDUse[NumOperands] : 0; 1273f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner 1274bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner for (unsigned i = 0; i != NumOps; ++i) { 1275f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner OperandList[i] = Ops[i]; 1276dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein OperandList[i].setUser(this); 1277dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Ops[i].Val->addUse(OperandList[i]); 1278dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein ++Ops[i].Val->UsesSize; 12790442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner } 1280bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 1281ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner ValueList = VTs.VTs; 1282ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner NumValues = VTs.NumVTs; 1283b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner Prev = 0; Next = 0; 1284f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner } 1285dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1286dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein SDNode(unsigned Opc, SDVTList VTs) 1287dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein : NodeType(Opc), NodeId(-1), UsesSize(0), Uses(NULL) { 1288bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner OperandsNeedDelete = false; // Operands set with InitOperands. 1289bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner NumOperands = 0; 1290bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner OperandList = 0; 1291bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner ValueList = VTs.VTs; 1292bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner NumValues = VTs.NumVTs; 1293bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Prev = 0; Next = 0; 1294bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner } 1295bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 1296bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner /// InitOperands - Initialize the operands list of this node with the 1297bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner /// specified values, which are part of the node (thus they don't need to be 1298bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner /// copied in or allocated). 12999cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein void InitOperands(SDUse *Ops, unsigned NumOps) { 1300bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner assert(OperandList == 0 && "Operands already set!"); 1301bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner NumOperands = NumOps; 1302bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner OperandList = Ops; 1303dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein UsesSize = 0; 1304dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Uses = NULL; 1305bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 1306dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein for (unsigned i = 0; i != NumOps; ++i) { 1307dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein OperandList[i].setUser(this); 13089cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein Ops[i].getVal()->addUse(OperandList[i]); 13099cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein ++Ops[i].getVal()->UsesSize; 1310dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein } 1311bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner } 1312bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 1313d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner /// MorphNodeTo - This frees the operands of the current node, resets the 1314d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner /// opcode, types, and operands to the specified value. This should only be 1315d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner /// used by the SelectionDAG class. 1316d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner void MorphNodeTo(unsigned Opc, SDVTList L, 131735b31bea0dc9e16d4c384a6a78404bdd791b6693Dan Gohman SDOperandPtr Ops, unsigned NumOps); 13181b95095857b78e12138c22e76c7936611c51355bChris Lattner 1319dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein void addUser(unsigned i, SDNode *User) { 1320dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein assert(User->OperandList[i].getUser() && "Node without parent"); 1321dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein addUse(User->OperandList[i]); 1322dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein ++UsesSize; 13231b95095857b78e12138c22e76c7936611c51355bChris Lattner } 1324dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein 1325dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein void removeUser(unsigned i, SDNode *User) { 1326dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein assert(User->OperandList[i].getUser() && "Node without parent"); 13279cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse &Op = User->OperandList[i]; 1328dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein Op.removeFromList(); 1329dc1adac582fa120861f18ae7221bfe1421fea59fRoman Levenstein --UsesSize; 1330d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner } 133163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 133263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 133363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 13349cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein// Define inline functions from the SDOperand class. 133563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 13369cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline unsigned SDOperand::getOpcode() const { 133763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getOpcode(); 133863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 13399cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline MVT::ValueType SDOperand::getValueType() const { 134063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getValueType(ResNo); 134163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 13429cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline unsigned SDOperand::getNumOperands() const { 134363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getNumOperands(); 134463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 13459cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline const SDOperand &SDOperand::getOperand(unsigned i) const { 134663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getOperand(i); 134763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 13489cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline uint64_t SDOperand::getConstantOperandVal(unsigned i) const { 1349c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng return Val->getConstantOperandVal(i); 1350c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng} 13519cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline bool SDOperand::isTargetOpcode() const { 13520f66a9172175aa7c3055333358170581c999219bNate Begeman return Val->isTargetOpcode(); 13530f66a9172175aa7c3055333358170581c999219bNate Begeman} 13549cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline unsigned SDOperand::getTargetOpcode() const { 13550f66a9172175aa7c3055333358170581c999219bNate Begeman return Val->getTargetOpcode(); 13560f66a9172175aa7c3055333358170581c999219bNate Begeman} 13579cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline bool SDOperand::hasOneUse() const { 1358a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner return Val->hasNUsesOfValue(1, ResNo); 1359a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner} 13609cac5259fe237120a0c347d6d14e549005148f1bRoman Levensteininline bool SDOperand::use_empty() const { 1361e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman return !Val->hasAnyUseOfValue(ResNo); 1362e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman} 136363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 13643f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// UnarySDNode - This class is used for single-operand SDNodes. This is solely 13653f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// to allow co-allocation of node operands with the node itself. 13663f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerclass UnarySDNode : public SDNode { 13673f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 13689cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse Op; 13693f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerpublic: 13703f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner UnarySDNode(unsigned Opc, SDVTList VTs, SDOperand X) 13719cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein : SDNode(Opc, VTs) { 13729cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein Op = X; 13733f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner InitOperands(&Op, 1); 13743f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner } 13753f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner}; 13763f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner 13773f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// BinarySDNode - This class is used for two-operand SDNodes. This is solely 13783f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// to allow co-allocation of node operands with the node itself. 13793f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerclass BinarySDNode : public SDNode { 13803f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 13819cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse Ops[2]; 13823f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerpublic: 13833f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner BinarySDNode(unsigned Opc, SDVTList VTs, SDOperand X, SDOperand Y) 13843f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner : SDNode(Opc, VTs) { 13853f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[0] = X; 13863f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[1] = Y; 13873f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner InitOperands(Ops, 2); 13883f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner } 13893f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner}; 13903f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner 13913f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// TernarySDNode - This class is used for three-operand SDNodes. This is solely 13923f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// to allow co-allocation of node operands with the node itself. 13933f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerclass TernarySDNode : public SDNode { 13943f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 13959cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse Ops[3]; 13963f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerpublic: 13973f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner TernarySDNode(unsigned Opc, SDVTList VTs, SDOperand X, SDOperand Y, 13983f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner SDOperand Z) 13993f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner : SDNode(Opc, VTs) { 14003f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[0] = X; 14013f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[1] = Y; 14023f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[2] = Z; 14033f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner InitOperands(Ops, 3); 14043f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner } 14053f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner}; 14063f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner 14073f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner 1408d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// HandleSDNode - This class is used to form a handle around another node that 1409d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// is persistant and is updated across invocations of replaceAllUsesWith on its 1410d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// operand. This node should be directly created by end-users and not added to 1411d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// the AllNodes list. 1412d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattnerclass HandleSDNode : public SDNode { 1413c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 14149cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse Op; 1415d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattnerpublic: 1416ef02b815cb37017d8dbac2f18c75bff0aa317163Bill Wendling // FIXME: Remove the "noinline" attribute once <rdar://problem/5852746> is 1417ef02b815cb37017d8dbac2f18c75bff0aa317163Bill Wendling // fixed. 1418ef02b815cb37017d8dbac2f18c75bff0aa317163Bill Wendling explicit __attribute__((__noinline__)) HandleSDNode(SDOperand X) 14199cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein : SDNode(ISD::HANDLENODE, getSDVTList(MVT::Other)) { 14209cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein Op = X; 1421bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner InitOperands(&Op, 1); 1422bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner } 142348b85926524f9d29ae600123c90194cd73fd629eChris Lattner ~HandleSDNode(); 14249cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse getValue() const { return Op; } 1425d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner}; 1426d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner 1427ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharthclass AtomicSDNode : public SDNode { 1428ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 14299cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse Ops[4]; 1430ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth MVT::ValueType OrigVT; 1431ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharthpublic: 1432c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth AtomicSDNode(unsigned Opc, SDVTList VTL, SDOperand Chain, SDOperand Ptr, 1433c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth SDOperand Cmp, SDOperand Swp, MVT::ValueType VT) 1434ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth : SDNode(Opc, VTL) { 1435ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Ops[0] = Chain; 1436c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth Ops[1] = Ptr; 1437c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth Ops[2] = Swp; 1438c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth Ops[3] = Cmp; 1439ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth InitOperands(Ops, 4); 1440ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth OrigVT=VT; 1441ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 1442c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth AtomicSDNode(unsigned Opc, SDVTList VTL, SDOperand Chain, SDOperand Ptr, 1443c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth SDOperand Val, MVT::ValueType VT) 1444ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth : SDNode(Opc, VTL) { 1445ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth Ops[0] = Chain; 1446c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth Ops[1] = Ptr; 1447c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth Ops[2] = Val; 1448ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth InitOperands(Ops, 3); 1449ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth OrigVT=VT; 1450ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth } 1451ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth MVT::ValueType getVT() const { return OrigVT; } 1452c1c7bd610a1647d8e7eaeb4cc38ca1a85ae5e271Andrew Lenharth bool isCompareAndSwap() const { return getOpcode() == ISD::ATOMIC_LCS; } 1453ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth}; 1454ab0b949e0e9de452f3b052b11634ab761e008b23Andrew Lenharth 145547725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerclass StringSDNode : public SDNode { 145647725d059b259f8a0c145478300c9e9caa006b59Chris Lattner std::string Value; 1457c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 145847725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerprotected: 145947725d059b259f8a0c145478300c9e9caa006b59Chris Lattner friend class SelectionDAG; 1460423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit StringSDNode(const std::string &val) 1461bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::STRING, getSDVTList(MVT::Other)), Value(val) { 146247725d059b259f8a0c145478300c9e9caa006b59Chris Lattner } 146347725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerpublic: 146447725d059b259f8a0c145478300c9e9caa006b59Chris Lattner const std::string &getValue() const { return Value; } 146547725d059b259f8a0c145478300c9e9caa006b59Chris Lattner static bool classof(const StringSDNode *) { return true; } 146647725d059b259f8a0c145478300c9e9caa006b59Chris Lattner static bool classof(const SDNode *N) { 146747725d059b259f8a0c145478300c9e9caa006b59Chris Lattner return N->getOpcode() == ISD::STRING; 146847725d059b259f8a0c145478300c9e9caa006b59Chris Lattner } 146947725d059b259f8a0c145478300c9e9caa006b59Chris Lattner}; 147063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 147163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantSDNode : public SDNode { 14726394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman APInt Value; 1473c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 147463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 147563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 14766394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman ConstantSDNode(bool isTarget, const APInt &val, MVT::ValueType VT) 1477bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(isTarget ? ISD::TargetConstant : ISD::Constant, getSDVTList(VT)), 1478bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Value(val) { 147963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 148063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 148163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 14826394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman const APInt &getAPIntValue() const { return Value; } 14836394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman uint64_t getValue() const { return Value.getZExtValue(); } 148463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 148563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int64_t getSignExtended() const { 148663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned Bits = MVT::getSizeInBits(getValueType(0)); 14876394b099e836f56a937cdcc7332c9487b504ca68Dan Gohman return ((int64_t)Value.getZExtValue() << (64-Bits)) >> (64-Bits); 148863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 148963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 149063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool isNullValue() const { return Value == 0; } 149163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool isAllOnesValue() const { 1492885a87ef8512a184a58a0ebe39705ccb221749efChris Lattner return Value == MVT::getIntVTBitMask(getValueType(0)); 149363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 149463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 149563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantSDNode *) { return true; } 149663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1497056f9f61d071c6c583951678f2bf543a1316efccChris Lattner return N->getOpcode() == ISD::Constant || 1498056f9f61d071c6c583951678f2bf543a1316efccChris Lattner N->getOpcode() == ISD::TargetConstant; 149963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 150063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 150163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 150263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantFPSDNode : public SDNode { 15038bb369b8072c919ef5802f639a52b17620201190Dale Johannesen APFloat Value; 1504c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 150563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 150663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1507e6c1742914149d44360fbf05a653041a672282afDale Johannesen ConstantFPSDNode(bool isTarget, const APFloat& val, MVT::ValueType VT) 150887503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen : SDNode(isTarget ? ISD::TargetConstantFP : ISD::ConstantFP, 150987503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen getSDVTList(VT)), Value(val) { 151063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 151163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 151263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1513e6c1742914149d44360fbf05a653041a672282afDale Johannesen const APFloat& getValueAPF() const { return Value; } 151463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 151563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isExactlyValue - We don't rely on operator== working on double values, as 151663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// it returns true for things that are clearly not equal, like -0.0 and 0.0. 151763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// As such, this method can be used to do an exact bit-for-bit comparison of 151863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// two floating point values. 1519c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen 1520c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen /// We leave the version with the double argument here because it's just so 1521c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen /// convenient to write "2.0" and the like. Without this function we'd 1522c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen /// have to duplicate its logic everywhere it's called. 15239dd2ce46c58dd05f0835df77f308396715890d66Dale Johannesen bool isExactlyValue(double V) const { 15249dd2ce46c58dd05f0835df77f308396715890d66Dale Johannesen // convert is not supported on this type 15259dd2ce46c58dd05f0835df77f308396715890d66Dale Johannesen if (&Value.getSemantics() == &APFloat::PPCDoubleDouble) 15269dd2ce46c58dd05f0835df77f308396715890d66Dale Johannesen return false; 152784cd0e7fa30af43c47ad9533d84debb144596e48Chris Lattner APFloat Tmp(V); 152884cd0e7fa30af43c47ad9533d84debb144596e48Chris Lattner Tmp.convert(Value.getSemantics(), APFloat::rmNearestTiesToEven); 152984cd0e7fa30af43c47ad9533d84debb144596e48Chris Lattner return isExactlyValue(Tmp); 153087503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen } 1531e6c1742914149d44360fbf05a653041a672282afDale Johannesen bool isExactlyValue(const APFloat& V) const; 153263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1533f04afdbb48568ef09f11fd10ac03426101f2dbf8Dale Johannesen bool isValueValidForType(MVT::ValueType VT, const APFloat& Val); 1534f04afdbb48568ef09f11fd10ac03426101f2dbf8Dale Johannesen 153563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantFPSDNode *) { return true; } 153663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1537ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner return N->getOpcode() == ISD::ConstantFP || 1538ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner N->getOpcode() == ISD::TargetConstantFP; 153963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 154063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 154163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 154263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass GlobalAddressSDNode : public SDNode { 154363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner GlobalValue *TheGlobal; 1544404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng int Offset; 1545c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 154663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 154763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 154861ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng GlobalAddressSDNode(bool isTarget, const GlobalValue *GA, MVT::ValueType VT, 15492c5c111b6c144b05718404c85b9dfcc76b1619e7Lauro Ramos Venancio int o = 0); 155063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 155163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 155263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner GlobalValue *getGlobal() const { return TheGlobal; } 1553404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng int getOffset() const { return Offset; } 155463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 155563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const GlobalAddressSDNode *) { return true; } 155663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1557f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner return N->getOpcode() == ISD::GlobalAddress || 1558b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio N->getOpcode() == ISD::TargetGlobalAddress || 1559b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio N->getOpcode() == ISD::GlobalTLSAddress || 1560b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio N->getOpcode() == ISD::TargetGlobalTLSAddress; 156163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 156263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 156363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 156463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass FrameIndexSDNode : public SDNode { 156563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int FI; 1566c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 156763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 156863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1569afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner FrameIndexSDNode(int fi, MVT::ValueType VT, bool isTarg) 1570bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(isTarg ? ISD::TargetFrameIndex : ISD::FrameIndex, getSDVTList(VT)), 1571bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner FI(fi) { 157263e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 157363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 157463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 157563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int getIndex() const { return FI; } 157663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 157763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const FrameIndexSDNode *) { return true; } 157863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1579afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner return N->getOpcode() == ISD::FrameIndex || 1580afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner N->getOpcode() == ISD::TargetFrameIndex; 158163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 158263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 158363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 158437efe6764568a3829fee26aba532283131d1a104Nate Begemanclass JumpTableSDNode : public SDNode { 158537efe6764568a3829fee26aba532283131d1a104Nate Begeman int JTI; 1586c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 158737efe6764568a3829fee26aba532283131d1a104Nate Begemanprotected: 158837efe6764568a3829fee26aba532283131d1a104Nate Begeman friend class SelectionDAG; 158937efe6764568a3829fee26aba532283131d1a104Nate Begeman JumpTableSDNode(int jti, MVT::ValueType VT, bool isTarg) 1590bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(isTarg ? ISD::TargetJumpTable : ISD::JumpTable, getSDVTList(VT)), 1591bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner JTI(jti) { 159263e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 159337efe6764568a3829fee26aba532283131d1a104Nate Begemanpublic: 159437efe6764568a3829fee26aba532283131d1a104Nate Begeman 159559a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner int getIndex() const { return JTI; } 159637efe6764568a3829fee26aba532283131d1a104Nate Begeman 159737efe6764568a3829fee26aba532283131d1a104Nate Begeman static bool classof(const JumpTableSDNode *) { return true; } 159837efe6764568a3829fee26aba532283131d1a104Nate Begeman static bool classof(const SDNode *N) { 159937efe6764568a3829fee26aba532283131d1a104Nate Begeman return N->getOpcode() == ISD::JumpTable || 160037efe6764568a3829fee26aba532283131d1a104Nate Begeman N->getOpcode() == ISD::TargetJumpTable; 160137efe6764568a3829fee26aba532283131d1a104Nate Begeman } 160237efe6764568a3829fee26aba532283131d1a104Nate Begeman}; 160337efe6764568a3829fee26aba532283131d1a104Nate Begeman 160463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantPoolSDNode : public SDNode { 1605d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng union { 1606d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Constant *ConstVal; 1607d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng MachineConstantPoolValue *MachineCPVal; 1608d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } Val; 1609baf4500b3ab128c78932e36f96086c0487c8c7d1Evan Cheng int Offset; // It's a MachineConstantPoolValue if top bit is set. 1610b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng unsigned Alignment; 1611c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 161263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 161363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1614404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng ConstantPoolSDNode(bool isTarget, Constant *c, MVT::ValueType VT, 1615404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng int o=0) 1616ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, 1617bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Offset(o), Alignment(0) { 1618d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert((int)Offset >= 0 && "Offset is too large"); 1619d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Val.ConstVal = c; 1620d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1621404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng ConstantPoolSDNode(bool isTarget, Constant *c, MVT::ValueType VT, int o, 1622404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng unsigned Align) 1623ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, 1624bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Offset(o), Alignment(Align) { 1625d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert((int)Offset >= 0 && "Offset is too large"); 1626d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Val.ConstVal = c; 1627d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1628d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng ConstantPoolSDNode(bool isTarget, MachineConstantPoolValue *v, 1629d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng MVT::ValueType VT, int o=0) 1630ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, 1631bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Offset(o), Alignment(0) { 1632d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert((int)Offset >= 0 && "Offset is too large"); 1633d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Val.MachineCPVal = v; 1634d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Offset |= 1 << (sizeof(unsigned)*8-1); 1635d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1636d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng ConstantPoolSDNode(bool isTarget, MachineConstantPoolValue *v, 1637d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng MVT::ValueType VT, int o, unsigned Align) 1638ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, 1639bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Offset(o), Alignment(Align) { 1640d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert((int)Offset >= 0 && "Offset is too large"); 1641d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Val.MachineCPVal = v; 1642d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Offset |= 1 << (sizeof(unsigned)*8-1); 1643d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 164463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 164563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1646d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng bool isMachineConstantPoolEntry() const { 1647d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng return (int)Offset < 0; 1648d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1649d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 1650d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Constant *getConstVal() const { 1651d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert(!isMachineConstantPoolEntry() && "Wrong constantpool type"); 1652d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng return Val.ConstVal; 1653d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1654d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 1655d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng MachineConstantPoolValue *getMachineCPVal() const { 1656d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert(isMachineConstantPoolEntry() && "Wrong constantpool type"); 1657d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng return Val.MachineCPVal; 1658d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1659d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 1660baf4500b3ab128c78932e36f96086c0487c8c7d1Evan Cheng int getOffset() const { 1661baf4500b3ab128c78932e36f96086c0487c8c7d1Evan Cheng return Offset & ~(1 << (sizeof(unsigned)*8-1)); 1662baf4500b3ab128c78932e36f96086c0487c8c7d1Evan Cheng } 1663ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner 1664ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner // Return the alignment of this constant pool object, which is either 0 (for 1665ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner // default alignment) or log2 of the desired value. 1666b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng unsigned getAlignment() const { return Alignment; } 166763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1668d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng const Type *getType() const; 1669d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 167063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantPoolSDNode *) { return true; } 167163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1672aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner return N->getOpcode() == ISD::ConstantPool || 1673aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner N->getOpcode() == ISD::TargetConstantPool; 167463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 167563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 167663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 167763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass BasicBlockSDNode : public SDNode { 167863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MachineBasicBlock *MBB; 1679c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 168063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 168163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1682423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit BasicBlockSDNode(MachineBasicBlock *mbb) 1683bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::BasicBlock, getSDVTList(MVT::Other)), MBB(mbb) { 168463e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 168563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 168663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 168763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MachineBasicBlock *getBasicBlock() const { return MBB; } 168863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 168963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const BasicBlockSDNode *) { return true; } 169063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 169163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return N->getOpcode() == ISD::BasicBlock; 169263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 169363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 169463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 169514471be9ab531cb677658704ea73b06d4f0b7585Dan Gohman/// SrcValueSDNode - An SDNode that holds an arbitrary LLVM IR Value. This is 169614471be9ab531cb677658704ea73b06d4f0b7585Dan Gohman/// used when the SelectionDAG needs to make a simple reference to something 169714471be9ab531cb677658704ea73b06d4f0b7585Dan Gohman/// in the LLVM IR representation. 169814471be9ab531cb677658704ea73b06d4f0b7585Dan Gohman/// 169914471be9ab531cb677658704ea73b06d4f0b7585Dan Gohman/// Note that this is not used for carrying alias information; that is done 170014471be9ab531cb677658704ea73b06d4f0b7585Dan Gohman/// with MemOperandSDNode, which includes a Value which is required to be a 170114471be9ab531cb677658704ea73b06d4f0b7585Dan Gohman/// pointer, and several other fields specific to memory references. 170214471be9ab531cb677658704ea73b06d4f0b7585Dan Gohman/// 17032d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthclass SrcValueSDNode : public SDNode { 17042d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth const Value *V; 1705c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 17062d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthprotected: 17072d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth friend class SelectionDAG; 170869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman /// Create a SrcValue for a general value. 170969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman explicit SrcValueSDNode(const Value *v) 171069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman : SDNode(ISD::SRCVALUE, getSDVTList(MVT::Other)), V(v) {} 17112d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 17122d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthpublic: 171369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman /// getValue - return the contained Value. 17142d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth const Value *getValue() const { return V; } 17152d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 17162d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth static bool classof(const SrcValueSDNode *) { return true; } 17172d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth static bool classof(const SDNode *N) { 17182d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth return N->getOpcode() == ISD::SRCVALUE; 17192d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth } 17202d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth}; 17212d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 172263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 172336b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman/// MemOperandSDNode - An SDNode that holds a MachineMemOperand. This is 172469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman/// used to represent a reference to memory after ISD::LOAD 172569de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman/// and ISD::STORE have been lowered. 172669de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman/// 172769de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohmanclass MemOperandSDNode : public SDNode { 172869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 172969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohmanprotected: 173069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman friend class SelectionDAG; 173136b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman /// Create a MachineMemOperand node 173236b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman explicit MemOperandSDNode(const MachineMemOperand &mo) 173369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman : SDNode(ISD::MEMOPERAND, getSDVTList(MVT::Other)), MO(mo) {} 173469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 173569de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohmanpublic: 173636b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman /// MO - The contained MachineMemOperand. 173736b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman const MachineMemOperand MO; 173869de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 173969de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman static bool classof(const MemOperandSDNode *) { return true; } 174069de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman static bool classof(const SDNode *N) { 174169de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman return N->getOpcode() == ISD::MEMOPERAND; 174269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman } 174369de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman}; 174469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 174569de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 1746d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattnerclass RegisterSDNode : public SDNode { 174763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned Reg; 1748c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 174963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 175063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1751d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner RegisterSDNode(unsigned reg, MVT::ValueType VT) 1752bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::Register, getSDVTList(VT)), Reg(reg) { 175363e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 175463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 175563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 175663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned getReg() const { return Reg; } 175763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1758d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner static bool classof(const RegisterSDNode *) { return true; } 175963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1760d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner return N->getOpcode() == ISD::Register; 176163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 176263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 176363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 176463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ExternalSymbolSDNode : public SDNode { 176563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const char *Symbol; 1766c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 176763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 176863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 17692a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth ExternalSymbolSDNode(bool isTarget, const char *Sym, MVT::ValueType VT) 1770ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetExternalSymbol : ISD::ExternalSymbol, 1771bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Symbol(Sym) { 177263e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 177363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 177463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 177563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const char *getSymbol() const { return Symbol; } 177663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 177763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ExternalSymbolSDNode *) { return true; } 177863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 17792a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth return N->getOpcode() == ISD::ExternalSymbol || 17802a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth N->getOpcode() == ISD::TargetExternalSymbol; 178163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 178263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 178363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 17847cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattnerclass CondCodeSDNode : public SDNode { 178563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner ISD::CondCode Condition; 1786c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 178763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 178863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1789423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit CondCodeSDNode(ISD::CondCode Cond) 1790bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::CONDCODE, getSDVTList(MVT::Other)), Condition(Cond) { 179163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 179263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 179363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 17947cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::CondCode get() const { return Condition; } 179563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 17967cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner static bool classof(const CondCodeSDNode *) { return true; } 179763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 17987cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner return N->getOpcode() == ISD::CONDCODE; 179963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 180063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 180163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1802276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sandsnamespace ISD { 1803276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands struct ArgFlagsTy { 1804276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands private: 1805276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t NoFlagSet = 0ULL; 1806276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t ZExt = 1ULL<<0; ///< Zero extended 1807276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t ZExtOffs = 0; 1808276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t SExt = 1ULL<<1; ///< Sign extended 1809276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t SExtOffs = 1; 1810276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t InReg = 1ULL<<2; ///< Passed in register 1811276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t InRegOffs = 2; 1812276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t SRet = 1ULL<<3; ///< Hidden struct-ret ptr 1813276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t SRetOffs = 3; 1814276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t ByVal = 1ULL<<4; ///< Struct passed by value 1815276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t ByValOffs = 4; 1816276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t Nest = 1ULL<<5; ///< Nested fn static chain 1817276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t NestOffs = 5; 1818276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t ByValAlign = 0xFULL << 6; //< Struct alignment 1819276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t ByValAlignOffs = 6; 18206ccbbd89906157187ac04b2b3237c4aee7acd095Nicolas Geoffray static const uint64_t Split = 1ULL << 10; 18216ccbbd89906157187ac04b2b3237c4aee7acd095Nicolas Geoffray static const uint64_t SplitOffs = 10; 1822276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t OrigAlign = 0x1FULL<<27; 1823276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t OrigAlignOffs = 27; 1824276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t ByValSize = 0xffffffffULL << 32; //< Struct size 1825276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t ByValSizeOffs = 32; 1826276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1827276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static const uint64_t One = 1ULL; //< 1 of this type, for shifts 1828276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1829276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands uint64_t Flags; 1830276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands public: 1831276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands ArgFlagsTy() : Flags(0) { } 1832276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1833276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands bool isZExt() const { return Flags & ZExt; } 1834276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setZExt() { Flags |= One << ZExtOffs; } 1835276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1836276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands bool isSExt() const { return Flags & SExt; } 1837276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setSExt() { Flags |= One << SExtOffs; } 1838276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1839276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands bool isInReg() const { return Flags & InReg; } 1840276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setInReg() { Flags |= One << InRegOffs; } 1841276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1842276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands bool isSRet() const { return Flags & SRet; } 1843276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setSRet() { Flags |= One << SRetOffs; } 1844276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1845276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands bool isByVal() const { return Flags & ByVal; } 1846276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setByVal() { Flags |= One << ByValOffs; } 1847276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1848276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands bool isNest() const { return Flags & Nest; } 1849276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setNest() { Flags |= One << NestOffs; } 1850276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1851276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands unsigned getByValAlign() const { 185294bef327aa8ea769cafe310b91bd94d768d2bf85Dale Johannesen return (unsigned) 185394bef327aa8ea769cafe310b91bd94d768d2bf85Dale Johannesen ((One << ((Flags & ByValAlign) >> ByValAlignOffs)) / 2); 1854276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands } 1855276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setByValAlign(unsigned A) { 1856276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands Flags = (Flags & ~ByValAlign) | 1857276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands (uint64_t(Log2_32(A) + 1) << ByValAlignOffs); 1858276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands } 1859c0cb28fd3abee9a8b40856990e04f1af2f9bd7b8Nicolas Geoffray 18606ccbbd89906157187ac04b2b3237c4aee7acd095Nicolas Geoffray bool isSplit() const { return Flags & Split; } 18616ccbbd89906157187ac04b2b3237c4aee7acd095Nicolas Geoffray void setSplit() { Flags |= One << SplitOffs; } 1862276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1863276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands unsigned getOrigAlign() const { 186494bef327aa8ea769cafe310b91bd94d768d2bf85Dale Johannesen return (unsigned) 186594bef327aa8ea769cafe310b91bd94d768d2bf85Dale Johannesen ((One << ((Flags & OrigAlign) >> OrigAlignOffs)) / 2); 1866276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands } 1867276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setOrigAlign(unsigned A) { 1868276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands Flags = (Flags & ~OrigAlign) | 1869276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands (uint64_t(Log2_32(A) + 1) << OrigAlignOffs); 1870276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands } 1871276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1872276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands unsigned getByValSize() const { 187394bef327aa8ea769cafe310b91bd94d768d2bf85Dale Johannesen return (unsigned)((Flags & ByValSize) >> ByValSizeOffs); 1874276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands } 1875276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands void setByValSize(unsigned S) { 1876276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands Flags = (Flags & ~ByValSize) | (uint64_t(S) << ByValSizeOffs); 1877276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands } 1878276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1879276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands /// getArgFlagsString - Returns the flags as a string, eg: "zext align:4". 1880276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands std::string getArgFlagsString(); 1881276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1882276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands /// getRawBits - Represent the flags as a bunch of bits. 1883276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands uint64_t getRawBits() const { return Flags; } 1884276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands }; 1885276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands} 1886276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1887276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands/// ARG_FLAGSSDNode - Leaf node holding parameter flags. 1888276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sandsclass ARG_FLAGSSDNode : public SDNode { 1889276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands ISD::ArgFlagsTy TheFlags; 1890276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 1891276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sandsprotected: 1892276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands friend class SelectionDAG; 1893276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands explicit ARG_FLAGSSDNode(ISD::ArgFlagsTy Flags) 1894276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands : SDNode(ISD::ARG_FLAGS, getSDVTList(MVT::Other)), TheFlags(Flags) { 1895276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands } 1896276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sandspublic: 1897276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands ISD::ArgFlagsTy getArgFlags() const { return TheFlags; } 1898276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 1899276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static bool classof(const ARG_FLAGSSDNode *) { return true; } 1900276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands static bool classof(const SDNode *N) { 1901276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands return N->getOpcode() == ISD::ARG_FLAGS; 1902276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands } 1903276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands}; 1904276dcbdc8db6614cfd5004dc7dc35e437ddf9c58Duncan Sands 190515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner/// VTSDNode - This class is used to represent MVT::ValueType's, which are used 190615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner/// to parameterize some operations. 190715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerclass VTSDNode : public SDNode { 190815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner MVT::ValueType ValueType; 1909c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 191015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerprotected: 191115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner friend class SelectionDAG; 1912423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit VTSDNode(MVT::ValueType VT) 1913bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::VALUETYPE, getSDVTList(MVT::Other)), ValueType(VT) { 191463e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 191515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerpublic: 191615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 191715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner MVT::ValueType getVT() const { return ValueType; } 191815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 191915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner static bool classof(const VTSDNode *) { return true; } 192015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner static bool classof(const SDNode *N) { 192115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner return N->getOpcode() == ISD::VALUETYPE; 192215e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner } 192315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner}; 192415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 19259de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel/// LSBaseSDNode - Base class for LoadSDNode and StoreSDNode 19269de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel/// 19279de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michelclass LSBaseSDNode : public SDNode { 19289de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michelprivate: 1929b625f2f8960de32bc973092aaee8ac62863006feDan Gohman // AddrMode - unindexed, pre-indexed, post-indexed. 1930b625f2f8960de32bc973092aaee8ac62863006feDan Gohman ISD::MemIndexedMode AddrMode; 1931b625f2f8960de32bc973092aaee8ac62863006feDan Gohman 1932b625f2f8960de32bc973092aaee8ac62863006feDan Gohman // MemoryVT - VT of in-memory value. 1933b625f2f8960de32bc973092aaee8ac62863006feDan Gohman MVT::ValueType MemoryVT; 1934b625f2f8960de32bc973092aaee8ac62863006feDan Gohman 19359de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel //! SrcValue - Memory location for alias analysis. 19369de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel const Value *SrcValue; 19379de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel 19389de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel //! SVOffset - Memory location offset. 19399de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel int SVOffset; 19409de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel 19419de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel //! Alignment - Alignment of memory location in bytes. 19429de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel unsigned Alignment; 19439de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel 19449de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel //! IsVolatile - True if the store is volatile. 19459de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel bool IsVolatile; 19469de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michelprotected: 19479de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel //! Operand array for load and store 19489de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel /*! 19499de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel \note Moving this array to the base class captures more 19509de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel common functionality shared between LoadSDNode and 19519de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel StoreSDNode 19529de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel */ 19539cac5259fe237120a0c347d6d14e549005148f1bRoman Levenstein SDUse Ops[4]; 19549de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michelpublic: 1955b625f2f8960de32bc973092aaee8ac62863006feDan Gohman LSBaseSDNode(ISD::NodeType NodeTy, SDOperand *Operands, unsigned NumOperands, 1956b625f2f8960de32bc973092aaee8ac62863006feDan Gohman SDVTList VTs, ISD::MemIndexedMode AM, MVT::ValueType VT, 1957b625f2f8960de32bc973092aaee8ac62863006feDan Gohman const Value *SV, int SVO, unsigned Align, bool Vol) 19589de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel : SDNode(NodeTy, VTs), 1959b625f2f8960de32bc973092aaee8ac62863006feDan Gohman AddrMode(AM), MemoryVT(VT), 196059a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner SrcValue(SV), SVOffset(SVO), Alignment(Align), IsVolatile(Vol) { 1961b625f2f8960de32bc973092aaee8ac62863006feDan Gohman for (unsigned i = 0; i != NumOperands; ++i) 1962b625f2f8960de32bc973092aaee8ac62863006feDan Gohman Ops[i] = Operands[i]; 1963b625f2f8960de32bc973092aaee8ac62863006feDan Gohman InitOperands(Ops, NumOperands); 1964b625f2f8960de32bc973092aaee8ac62863006feDan Gohman assert(Align != 0 && "Loads and stores should have non-zero aligment"); 1965437d452adbc1ec58e73d9fd0dbfe345c69289a23Dan Gohman assert((getOffset().getOpcode() == ISD::UNDEF || isIndexed()) && 1966437d452adbc1ec58e73d9fd0dbfe345c69289a23Dan Gohman "Only indexed loads and stores have a non-undef offset operand"); 1967b625f2f8960de32bc973092aaee8ac62863006feDan Gohman } 19689de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel 196959a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner const SDOperand &getChain() const { return getOperand(0); } 197059a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner const SDOperand &getBasePtr() const { 19719de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel return getOperand(getOpcode() == ISD::LOAD ? 1 : 2); 19729de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel } 197363602b8a69b2729f0789cd3c920aceef0ece64cbChris Lattner const SDOperand &getOffset() const { 197463602b8a69b2729f0789cd3c920aceef0ece64cbChris Lattner return getOperand(getOpcode() == ISD::LOAD ? 2 : 3); 197563602b8a69b2729f0789cd3c920aceef0ece64cbChris Lattner } 19769de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel 19779de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel const Value *getSrcValue() const { return SrcValue; } 19789de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel int getSrcValueOffset() const { return SVOffset; } 19799de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel unsigned getAlignment() const { return Alignment; } 1980b625f2f8960de32bc973092aaee8ac62863006feDan Gohman MVT::ValueType getMemoryVT() const { return MemoryVT; } 19819de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel bool isVolatile() const { return IsVolatile; } 19829de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel 1983b625f2f8960de32bc973092aaee8ac62863006feDan Gohman ISD::MemIndexedMode getAddressingMode() const { return AddrMode; } 1984b625f2f8960de32bc973092aaee8ac62863006feDan Gohman 1985b625f2f8960de32bc973092aaee8ac62863006feDan Gohman /// isIndexed - Return true if this is a pre/post inc/dec load/store. 1986b625f2f8960de32bc973092aaee8ac62863006feDan Gohman bool isIndexed() const { return AddrMode != ISD::UNINDEXED; } 1987b625f2f8960de32bc973092aaee8ac62863006feDan Gohman 1988b625f2f8960de32bc973092aaee8ac62863006feDan Gohman /// isUnindexed - Return true if this is NOT a pre/post inc/dec load/store. 1989b625f2f8960de32bc973092aaee8ac62863006feDan Gohman bool isUnindexed() const { return AddrMode == ISD::UNINDEXED; } 1990b625f2f8960de32bc973092aaee8ac62863006feDan Gohman 199136b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman /// getMemOperand - Return a MachineMemOperand object describing the memory 199269de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman /// reference performed by this load or store. 199336b5c1338a03453ba1c110b120269ca972fb65a3Dan Gohman MachineMemOperand getMemOperand() const; 199469de1932b350d7cdfc0ed1f4198d6f78c7822a02Dan Gohman 19959de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel static bool classof(const LSBaseSDNode *N) { return true; } 1996b625f2f8960de32bc973092aaee8ac62863006feDan Gohman static bool classof(const SDNode *N) { 1997b625f2f8960de32bc973092aaee8ac62863006feDan Gohman return N->getOpcode() == ISD::LOAD || 1998b625f2f8960de32bc973092aaee8ac62863006feDan Gohman N->getOpcode() == ISD::STORE; 1999b625f2f8960de32bc973092aaee8ac62863006feDan Gohman } 20009de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel}; 20019de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michel 200224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng/// LoadSDNode - This class is used to represent ISD::LOAD nodes. 200324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng/// 20049de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michelclass LoadSDNode : public LSBaseSDNode { 2005c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 2006bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 200781c384578828dde08f63a4f030f4860a92391cddEvan Cheng // ExtType - non-ext, anyext, sext, zext. 200881c384578828dde08f63a4f030f4860a92391cddEvan Cheng ISD::LoadExtType ExtType; 200981c384578828dde08f63a4f030f4860a92391cddEvan Cheng 201024446e253a17720f6462288255ab5ebd13b8491fEvan Chengprotected: 201124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng friend class SelectionDAG; 2012ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner LoadSDNode(SDOperand *ChainPtrOff, SDVTList VTs, 2013144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng ISD::MemIndexedMode AM, ISD::LoadExtType ETy, MVT::ValueType LVT, 201495c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb const Value *SV, int O=0, unsigned Align=0, bool Vol=false) 2015b625f2f8960de32bc973092aaee8ac62863006feDan Gohman : LSBaseSDNode(ISD::LOAD, ChainPtrOff, 3, 2016b625f2f8960de32bc973092aaee8ac62863006feDan Gohman VTs, AM, LVT, SV, O, Align, Vol), 2017437d452adbc1ec58e73d9fd0dbfe345c69289a23Dan Gohman ExtType(ETy) {} 201824446e253a17720f6462288255ab5ebd13b8491fEvan Chengpublic: 201924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 202024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng ISD::LoadExtType getExtensionType() const { return ExtType; } 202159a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner const SDOperand &getBasePtr() const { return getOperand(1); } 202259a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner const SDOperand &getOffset() const { return getOperand(2); } 202339354cb743c5a1473de7a80b957c61e92cf76852Chris Lattner 202424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng static bool classof(const LoadSDNode *) { return true; } 202524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng static bool classof(const SDNode *N) { 202624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD; 202724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng } 202824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng}; 202924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 203024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng/// StoreSDNode - This class is used to represent ISD::STORE nodes. 203124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng/// 20329de5d0dd42463f61c4ee2f9db5f3d08153c0dacfScott Michelclass StoreSDNode : public LSBaseSDNode { 2033c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 2034bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 20353ec81c0ee73462b7b9acd355b0013827d06ad93cDuncan Sands // IsTruncStore - True if the op does a truncation before store. 203681c384578828dde08f63a4f030f4860a92391cddEvan Cheng bool IsTruncStore; 203724446e253a17720f6462288255ab5ebd13b8491fEvan Chengprotected: 203824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng friend class SelectionDAG; 2039ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner StoreSDNode(SDOperand *ChainValuePtrOff, SDVTList VTs, 2040144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng ISD::MemIndexedMode AM, bool isTrunc, MVT::ValueType SVT, 204124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng const Value *SV, int O=0, unsigned Align=0, bool Vol=false) 2042b625f2f8960de32bc973092aaee8ac62863006feDan Gohman : LSBaseSDNode(ISD::STORE, ChainValuePtrOff, 4, 2043b625f2f8960de32bc973092aaee8ac62863006feDan Gohman VTs, AM, SVT, SV, O, Align, Vol), 2044437d452adbc1ec58e73d9fd0dbfe345c69289a23Dan Gohman IsTruncStore(isTrunc) {} 204524446e253a17720f6462288255ab5ebd13b8491fEvan Chengpublic: 204624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 204724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng bool isTruncatingStore() const { return IsTruncStore; } 204859a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner const SDOperand &getValue() const { return getOperand(1); } 204959a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner const SDOperand &getBasePtr() const { return getOperand(2); } 205059a8cdd36d644fd5d0d7c78c3c02b31f1ba29a95Chris Lattner const SDOperand &getOffset() const { return getOperand(3); } 205139354cb743c5a1473de7a80b957c61e92cf76852Chris Lattner 20526d0b3295777f0e9e9cce27f3473c19f78e88f700Evan Cheng static bool classof(const StoreSDNode *) { return true; } 205324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng static bool classof(const SDNode *N) { 205424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::STORE; 205524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng } 205624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng}; 205724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 205815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 20591080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnerclass SDNodeIterator : public forward_iterator<SDNode, ptrdiff_t> { 20601080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNode *Node; 20611080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner unsigned Operand; 2062ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 20631080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator(SDNode *N, unsigned Op) : Node(N), Operand(Op) {} 20641080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnerpublic: 20651080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner bool operator==(const SDNodeIterator& x) const { 20661080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return Operand == x.Operand; 20671080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 20681080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner bool operator!=(const SDNodeIterator& x) const { return !operator==(x); } 20691080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 20701080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner const SDNodeIterator &operator=(const SDNodeIterator &I) { 20711080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner assert(I.Node == Node && "Cannot assign iterators to two different nodes!"); 20721080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner Operand = I.Operand; 20731080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return *this; 20741080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 2075ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 20761080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner pointer operator*() const { 20771080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return Node->getOperand(Operand).Val; 20781080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 20791080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner pointer operator->() const { return operator*(); } 2080ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 20811080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator& operator++() { // Preincrement 20821080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner ++Operand; 20831080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return *this; 20841080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 20851080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator operator++(int) { // Postincrement 2086ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SDNodeIterator tmp = *this; ++*this; return tmp; 20871080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 20881080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 20891080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static SDNodeIterator begin(SDNode *N) { return SDNodeIterator(N, 0); } 20901080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static SDNodeIterator end (SDNode *N) { 20911080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator(N, N->getNumOperands()); 20921080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 20931080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 20941080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner unsigned getOperand() const { return Operand; } 20951080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner const SDNode *getNode() const { return Node; } 20961080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner}; 20971080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 20981080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnertemplate <> struct GraphTraits<SDNode*> { 20991080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner typedef SDNode NodeType; 21001080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner typedef SDNodeIterator ChildIteratorType; 21011080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static inline NodeType *getEntryNode(SDNode *N) { return N; } 2102ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman static inline ChildIteratorType child_begin(NodeType *N) { 21031080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator::begin(N); 21041080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 2105ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman static inline ChildIteratorType child_end(NodeType *N) { 21061080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator::end(N); 21071080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 21081080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner}; 21091080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 2110b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<> 2111b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnerstruct ilist_traits<SDNode> { 2112b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *getPrev(const SDNode *N) { return N->Prev; } 2113b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *getNext(const SDNode *N) { return N->Next; } 2114b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 2115b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void setPrev(SDNode *N, SDNode *Prev) { N->Prev = Prev; } 2116b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void setNext(SDNode *N, SDNode *Next) { N->Next = Next; } 2117b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 2118b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *createSentinel() { 2119bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner return new SDNode(ISD::EntryToken, SDNode::getSDVTList(MVT::Other)); 2120b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner } 2121b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void destroySentinel(SDNode *N) { delete N; } 2122b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner //static SDNode *createNode(const SDNode &V) { return new SDNode(V); } 2123b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 2124b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 2125b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void addNodeToList(SDNode *NTy) {} 2126b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void removeNodeFromList(SDNode *NTy) {} 2127b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void transferNodesFromList(iplist<SDNode, ilist_traits> &L2, 2128b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner const ilist_iterator<SDNode> &X, 2129b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner const ilist_iterator<SDNode> &Y) {} 2130b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner}; 2131b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 2132c548428c5d7328592f4db6f6cd815af18b3152a3Evan Chengnamespace ISD { 2133186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng /// isNormalLoad - Returns true if the specified node is a non-extending 2134186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng /// and unindexed load. 2135186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng inline bool isNormalLoad(const SDNode *N) { 2136186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng if (N->getOpcode() != ISD::LOAD) 2137186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng return false; 2138186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng const LoadSDNode *Ld = cast<LoadSDNode>(N); 2139186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng return Ld->getExtensionType() == ISD::NON_EXTLOAD && 2140186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng Ld->getAddressingMode() == ISD::UNINDEXED; 2141186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng } 2142186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng 214324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// isNON_EXTLoad - Returns true if the specified node is a non-extending 214424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// load. 214524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng inline bool isNON_EXTLoad(const SDNode *N) { 214624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD && 214724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng cast<LoadSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD; 214824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng } 214924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 2150c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// isEXTLoad - Returns true if the specified node is a EXTLOAD. 2151c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// 2152c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng inline bool isEXTLoad(const SDNode *N) { 215324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD && 215424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng cast<LoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD; 2155c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng } 2156c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 2157c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// isSEXTLoad - Returns true if the specified node is a SEXTLOAD. 2158c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// 2159c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng inline bool isSEXTLoad(const SDNode *N) { 216024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD && 216124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng cast<LoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD; 2162c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng } 2163c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 2164c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// isZEXTLoad - Returns true if the specified node is a ZEXTLOAD. 2165c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// 2166c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng inline bool isZEXTLoad(const SDNode *N) { 216724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD && 216824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD; 2169c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng } 21708b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 217102c50e4891841c28b2a743731dfc60744bb78879Evan Cheng /// isUNINDEXEDLoad - Returns true if the specified node is a unindexed load. 217202c50e4891841c28b2a743731dfc60744bb78879Evan Cheng /// 217302c50e4891841c28b2a743731dfc60744bb78879Evan Cheng inline bool isUNINDEXEDLoad(const SDNode *N) { 217402c50e4891841c28b2a743731dfc60744bb78879Evan Cheng return N->getOpcode() == ISD::LOAD && 217502c50e4891841c28b2a743731dfc60744bb78879Evan Cheng cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED; 217602c50e4891841c28b2a743731dfc60744bb78879Evan Cheng } 217702c50e4891841c28b2a743731dfc60744bb78879Evan Cheng 21788b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng /// isNON_TRUNCStore - Returns true if the specified node is a non-truncating 21798b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng /// store. 21808b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng inline bool isNON_TRUNCStore(const SDNode *N) { 21818b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng return N->getOpcode() == ISD::STORE && 21828b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng !cast<StoreSDNode>(N)->isTruncatingStore(); 21838b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 21848b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 21858b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng /// isTRUNCStore - Returns true if the specified node is a truncating 21868b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng /// store. 21878b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng inline bool isTRUNCStore(const SDNode *N) { 21888b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng return N->getOpcode() == ISD::STORE && 21898b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng cast<StoreSDNode>(N)->isTruncatingStore(); 21908b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 2191c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng} 2192c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 2193c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 219463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} // end llvm namespace 219563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 219663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#endif 2197