SelectionDAGNodes.h revision ab2a7542546bf781fa373e20095be0e344f5b3cc
163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===-- llvm/CodeGen/SelectionDAGNodes.h - SelectionDAG Nodes ---*- C++ -*-===// 2ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman// 363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// The LLVM Compiler Infrastructure 463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// 563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// This file was developed by the LLVM research group and is distributed under 663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// the University of Illinois Open Source 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" 27d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng#include "llvm/CodeGen/ValueTypes.h" 2839931a3dbac1aa2fe2ec14f26001c8c29102940cJeff Cohen#include "llvm/Support/DataTypes.h" 2963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#include <cassert> 3063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnernamespace llvm { 3263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass SelectionDAG; 3463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass GlobalValue; 3563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass MachineBasicBlock; 36d6594ae54cfde4db4d30272192645c0a45fb9902Evan Chengclass MachineConstantPoolValue; 3763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass SDNode; 3876c1b97e4020faace8c95a127f1eab66c278fb58Chris Lattnertemplate <typename T> struct DenseMapInfo; 3963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnertemplate <typename T> struct simplify_type; 40b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate <typename T> struct ilist_traits; 41b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<typename NodeTy, typename Traits> class iplist; 42b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<typename NodeTy> class ilist_iterator; 4363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 440b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner/// SDVTList - This represents a list of ValueType's that has been intern'd by 450b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner/// a SelectionDAG. Instances of this simple value class are returned by 460b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner/// SelectionDAG::getVTList(...). 470b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner/// 480b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattnerstruct SDVTList { 490b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner const MVT::ValueType *VTs; 500b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner unsigned short NumVTs; 510b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner}; 520b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner 5363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// ISD namespace - This namespace contains an enum which represents all of the 5463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SelectionDAG node types and value types. 5563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 5663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnernamespace ISD { 57d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov namespace ParamFlags { 58d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov enum Flags { 59d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov NoFlagSet = 0, 60d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov ZExt = 1<<0, ///< Parameter should be zero extended 61d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov ZExtOffs = 0, 62d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov SExt = 1<<1, ///< Parameter should be sign extended 63d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov SExtOffs = 1, 64d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov InReg = 1<<2, ///< Parameter should be passed in register 65d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov InRegOffs = 2, 66d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov StructReturn = 1<<3, ///< Hidden struct-return pointer 67d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov StructReturnOffs = 3, 681aa7efbd2c98e761f50992197473304b99257ca9Rafael Espindola ByVal = 1<<4, ///< Struct passed by value 691aa7efbd2c98e761f50992197473304b99257ca9Rafael Espindola ByValOffs = 4, 7036397f50343639ce9a25996f2d790c656791ab92Duncan Sands Nest = 1<<5, ///< Parameter is nested function static chain 7136397f50343639ce9a25996f2d790c656791ab92Duncan Sands NestOffs = 5, 72594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola ByValAlign = 0xF << 6, //< The alignment of the struct 73594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola ByValAlignOffs = 6, 74594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola ByValSize = 0x1ffff << 10, //< The size of the struct 75594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola ByValSizeOffs = 10, 76d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov OrigAlignment = 0x1F<<27, 77d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov OrigAlignmentOffs = 27 78d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov }; 79d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov } 80d0b82b301d700217a716526f9329bb031e0d6578Anton Korobeynikov 8163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 8263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// ISD::NodeType enum - This enum defines all of the operators valid in a 8363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// SelectionDAG. 8463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 8563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner enum NodeType { 863258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner // DELETED_NODE - This is an illegal flag value that is used to catch 873258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner // errors. This opcode is not a legal opcode for any node. 883258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner DELETED_NODE, 893258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner 908a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // EntryToken - This is the marker used to indicate the start of the region. 918a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner EntryToken, 928a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner 938c4bde36a339b1c538002e819daff84caae4cbadReid Spencer // Token factor - This node takes multiple tokens as input and produces a 948a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // single token result. This is used to represent the fact that the operand 958a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // operators are independent of each other. 968a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner TokenFactor, 97f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman 98f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // AssertSext, AssertZext - These nodes record if a register contains a 99f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // value that has already been zero or sign extended from a narrower type. 100f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // These nodes take two operands. The first is the node that has already 101f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // been extended, and the second is a value type node indicating the width 102f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman // of the extension 103f7f3d321916c1ef3a82b2a175a368a148b1ede46Nate Begeman AssertSext, AssertZext, 104ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 1058a496fcffdcba757412fc5cc6c772260ccfde000Chris Lattner // Various leaf nodes. 1061ab7d859cf5c490612799d7e132c0b1c39f8f497Evan Cheng STRING, BasicBlock, VALUETYPE, CONDCODE, Register, 1071ab7d859cf5c490612799d7e132c0b1c39f8f497Evan Cheng Constant, ConstantFP, 108b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio GlobalAddress, GlobalTLSAddress, FrameIndex, 109b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio JumpTable, ConstantPool, ExternalSymbol, 1101ab7d859cf5c490612799d7e132c0b1c39f8f497Evan Cheng 11182c3d8f81ab20dc7571f29ffc46a5bb1b7ed8323Andrew Lenharth // The address of the GOT 11282c3d8f81ab20dc7571f29ffc46a5bb1b7ed8323Andrew Lenharth GLOBAL_OFFSET_TABLE, 113bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman 114bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // FRAMEADDR, RETURNADDR - These nodes represent llvm.frameaddress and 115bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // llvm.returnaddress on the DAG. These nodes take one operand, the index 116bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // of the frame or return address to return. An index of zero corresponds 117bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // to the current function's frame or return address, an index of one to the 118bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman // parent's frame or return address, and so on. 119bcc5f36765e8111c13873a0c0dc874c92385d808Nate Begeman FRAMEADDR, RETURNADDR, 1202365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov 1212365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // FRAME_TO_ARGS_OFFSET - This node represents offset from frame pointer to 1222365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // first (possible) on-stack argument. This is needed for correct stack 1232365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // adjustment during unwind. 1242365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov FRAME_TO_ARGS_OFFSET, 125f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey 126f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey // RESULT, OUTCHAIN = EXCEPTIONADDR(INCHAIN) - This node represents the 127f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey // address of the exception block on entry to an landing pad block. 128f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey EXCEPTIONADDR, 129f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey 130f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey // RESULT, OUTCHAIN = EHSELECTION(INCHAIN, EXCEPTION) - This node represents 131f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey // the selection index of the exception thrown. 132f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey EHSELECTION, 133beec30eaf301bd6882cd06800b5175b94f033f9dAndrew Lenharth 1342365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // OUTCHAIN = EH_RETURN(INCHAIN, OFFSET, HANDLER) - This node represents 1352365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // 'eh_return' gcc dwarf builtin, which is used to return from 1362365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // exception. The general meaning is: adjust stack by OFFSET and pass 1372365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov // execution to HANDLER. Many platform-related details also :) 1382365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov EH_RETURN, 1392365f51ed03afe6993bae962fdc2e5a956a64cd5Anton Korobeynikov 140ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner // TargetConstant* - Like Constant*, but the DAG does not do any folding or 141ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner // simplification of the constant. 142056f9f61d071c6c583951678f2bf543a1316efccChris Lattner TargetConstant, 143ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner TargetConstantFP, 144f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner 145f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // TargetGlobalAddress - Like GlobalAddress, but the DAG does no folding or 146f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // anything else with this node, and this is valid in the target-specific 147f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner // dag, turning into a GlobalAddress operand. 148f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner TargetGlobalAddress, 149b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio TargetGlobalTLSAddress, 150afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner TargetFrameIndex, 15137efe6764568a3829fee26aba532283131d1a104Nate Begeman TargetJumpTable, 152aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner TargetConstantPool, 1532a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth TargetExternalSymbol, 15472601cac6051a9571ca4db3b32d6a73e40b40bd1Chris Lattner 155ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// RESULT = INTRINSIC_WO_CHAIN(INTRINSICID, arg1, arg2, ...) 156ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// This node represents a target intrinsic function with no side effects. 157ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// The first operand is the ID number of the intrinsic from the 158ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// llvm::Intrinsic namespace. The operands to the intrinsic follow. The 159ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// node has returns the result of the intrinsic. 160ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner INTRINSIC_WO_CHAIN, 161ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner 162ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// RESULT,OUTCHAIN = INTRINSIC_W_CHAIN(INCHAIN, INTRINSICID, arg1, ...) 163ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// This node represents a target intrinsic function with side effects that 164ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// returns a result. The first operand is a chain pointer. The second is 165ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// the ID number of the intrinsic from the llvm::Intrinsic namespace. The 166ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// operands to the intrinsic follow. The node has two results, the result 167ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// of the intrinsic and an output chain. 168ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner INTRINSIC_W_CHAIN, 16963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 170ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// OUTCHAIN = INTRINSIC_VOID(INCHAIN, INTRINSICID, arg1, arg2, ...) 171ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// This node represents a target intrinsic function with side effects that 172ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// does not return a result. The first operand is a chain pointer. The 173ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// second is the ID number of the intrinsic from the llvm::Intrinsic 174ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner /// namespace. The operands to the intrinsic follow. 175ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner INTRINSIC_VOID, 176ef8ef916348ad0da964687358e8be614e2470d67Chris Lattner 177d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner // CopyToReg - This node has three operands: a chain, a register number to 178d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner // set to this value, and a value. 17963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CopyToReg, 18063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 18163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // CopyFromReg - This node indicates that the input value is a virtual or 18263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // physical register that is defined outside of the scope of this 183ab2a7542546bf781fa373e20095be0e344f5b3ccDan Gohman // SelectionDAG. The register is available from the RegisterSDNode object. 18463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CopyFromReg, 18563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 186fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman // UNDEF - An undefined node 187fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman UNDEF, 188681ee1c1c3f7c3558c29a5bf3a668c1d0784c399Chris Lattner 189b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// FORMAL_ARGUMENTS(CHAIN, CC#, ISVARARG, FLAG0, ..., FLAGn) - This node 190b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// represents the formal arguments for a function. CC# is a Constant value 191b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// indicating the calling convention of the function, and ISVARARG is a 192b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// flag that indicates whether the function is varargs or not. This node 193b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// has one result value for each incoming argument, plus one for the output 194b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// chain. It must be custom legalized. See description of CALL node for 195b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// FLAG argument contents explanation. 196c1a8ad71e11123f1e3c8d9913a7f51978b9967d5Chris Lattner /// 197681ee1c1c3f7c3558c29a5bf3a668c1d0784c399Chris Lattner FORMAL_ARGUMENTS, 1986c0bfc723779366698d3936b63dcddc6164c2d33Chris Lattner 1996c0bfc723779366698d3936b63dcddc6164c2d33Chris Lattner /// RV1, RV2...RVn, CHAIN = CALL(CHAIN, CC#, ISVARARG, ISTAILCALL, CALLEE, 200b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// ARG0, FLAG0, ARG1, FLAG1, ... ARGn, FLAGn) 2016c0bfc723779366698d3936b63dcddc6164c2d33Chris Lattner /// This node represents a fully general function call, before the legalizer 202b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// runs. This has one result value for each argument / flag pair, plus 203b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// a chain result. It must be custom legalized. Flag argument indicates 204b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// misc. argument attributes. Currently: 205b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// Bit 0 - signness 206b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// Bit 1 - 'inreg' attribute 207b10308e440c80dd6ffb4b478f741ff7e5f30cb48Anton Korobeynikov /// Bit 2 - 'sret' attribute 208594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola /// Bit 4 - 'byval' attribute 209594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola /// Bit 5 - 'nest' attribute 210594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola /// Bit 6-9 - alignment of byval structures 211594d37e21aea4ef841d9ee5d9c328c4bf1c6bed7Rafael Espindola /// Bit 10-26 - size of byval structures 21213a3cee13133711eb95174a004dca4421ccd1cd9Lauro Ramos Venancio /// Bits 31:27 - argument ABI alignment in the first argument piece and 21313a3cee13133711eb95174a004dca4421ccd1cd9Lauro Ramos Venancio /// alignment '1' in other argument pieces. 2146c0bfc723779366698d3936b63dcddc6164c2d33Chris Lattner CALL, 215fc1b1dad88a256ab5ab16dd548ad82df8efa2ca9Nate Begeman 21663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // EXTRACT_ELEMENT - This is used to get the first or second (determined by 21763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // a Constant, which is required to be operand #1), element of the aggregate 21863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // value specified as operand #0. This is only for use before legalization, 21963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // for values that will be broken into multiple registers. 22063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner EXTRACT_ELEMENT, 22163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 22263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BUILD_PAIR - This is the opposite of EXTRACT_ELEMENT in some ways. Given 22363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // two values of the same integer value type, this produces a value twice as 22463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // big. Like EXTRACT_ELEMENT, this can only be used before legalization. 22563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BUILD_PAIR, 226006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner 227006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // MERGE_VALUES - This node takes multiple discrete operands and returns 228006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // them all as its individual results. This nodes has exactly the same 229006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // number of inputs and outputs, and is only valid before legalization. 230006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // This node is useful for some pieces of the code generator that want to 231006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner // think about a single node with multiple results, not multiple nodes. 232006e3e3649b2e19762b7bc134292b781569685b0Chris Lattner MERGE_VALUES, 23363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 234615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner // Simple integer binary arithmetic operators. 235bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner ADD, SUB, MUL, SDIV, UDIV, SREM, UREM, 236fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman 237fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman // SMUL_LOHI/UMUL_LOHI - Multiply two integers of type iN, producing 238b36904be918b72cc4c714552d42d6a713f27bbf5Duncan Sands // a signed/unsigned value of type i[2*N], and return the full value as 239fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman // two results, each of type iN. 240fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman SMUL_LOHI, UMUL_LOHI, 241fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman 242fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman // SDIVREM/UDIVREM - Divide two integers and produce both a quotient and 243fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman // remainder result. 244fdd04d5ddecb1d1f3030839520109308137b73dcDan Gohman SDIVREM, UDIVREM, 245615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner 24655e34eb31741f7902445cfa94fddde7a6910c408Chris Lattner // CARRY_FALSE - This node is used when folding other nodes, 24755e34eb31741f7902445cfa94fddde7a6910c408Chris Lattner // like ADDC/SUBC, which indicate the carry result is always false. 24855e34eb31741f7902445cfa94fddde7a6910c408Chris Lattner CARRY_FALSE, 24955e34eb31741f7902445cfa94fddde7a6910c408Chris Lattner 250551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Carry-setting nodes for multiple precision addition and subtraction. 251551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // These nodes take two operands of the same value type, and produce two 252551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // results. The first result is the normal add or sub result, the second 253551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // result is the carry flag result. 254551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman ADDC, SUBC, 255551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman 256551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // Carry-using nodes for multiple precision addition and subtraction. These 257551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // nodes take three operands: The first two are the normal lhs and rhs to 258551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // the add or sub, and the third is the input carry flag. These nodes 259551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // produce two results; the normal result of the add or sub, and the output 260551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // carry flag. These nodes both read and write a carry flag to allow them 261551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // to them to be chained together for add and sub of arbitrarily large 262551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman // values. 263551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman ADDE, SUBE, 264551bf3f80058a026b6a128dffd5530019e1df1b9Nate Begeman 265615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner // Simple binary floating point operators. 266615c2d0920862ae7d4d766ee3da660ecf2197308Chris Lattner FADD, FSUB, FMUL, FDIV, FREM, 26738bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner 26838bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner // FCOPYSIGN(X, Y) - Return the value of X with the sign of Y. NOTE: This 26938bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner // DAG node does not require that X and Y have the same type, just that they 27038bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner // are both floating point. X and the result must have the same type. 27138bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner // FCOPYSIGN(f32, f64) is allowed. 27238bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner FCOPYSIGN, 273fa984b61e42c94ad7e66cf2880ca826dba488d30Chris Lattner 274664e9546d674096c5a012536f1a424b1681ece51Dan Gohman /// BUILD_VECTOR(ELT0, ELT1, ELT2, ELT3,...) - Return a vector 27522232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner /// with the specified, possibly variable, elements. The number of elements 27622232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner /// is required to be a power of two. 27722232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner BUILD_VECTOR, 27822232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner 2797f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// INSERT_VECTOR_ELT(VECTOR, VAL, IDX) - Returns VECTOR with the element 2807f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// at IDX replaced with VAL. 28122232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner INSERT_VECTOR_ELT, 2824b8db6c453fd3a7b07bc7c0e8092018530701ffdChris Lattner 2834b8db6c453fd3a7b07bc7c0e8092018530701ffdChris Lattner /// EXTRACT_VECTOR_ELT(VECTOR, IDX) - Returns a single element from VECTOR 2847f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// identified by the (potentially variable) element number IDX. 2854b8db6c453fd3a7b07bc7c0e8092018530701ffdChris Lattner EXTRACT_VECTOR_ELT, 28622232f659bec0f4c23ec46445d3bd3c4deb68686Chris Lattner 2877f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// CONCAT_VECTORS(VECTOR0, VECTOR1, ...) - Given a number of values of 2887f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// vector type with the same length and element type, this produces a 2897f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// concatenated vector result value, with length equal to the sum of the 290b6f5b00c3bad3415d3f2ee1a6d5ee5a6f66a4540Dan Gohman /// lengths of the input vectors. 2917f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman CONCAT_VECTORS, 2926595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 2937f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// EXTRACT_SUBVECTOR(VECTOR, IDX) - Returns a subvector from VECTOR (an 2947f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// vector value) starting with the (potentially variable) element number 2957f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman /// IDX, which must be a multiple of the result vector length. 2967f32156bb9c017b71971c52fac892fa7b9b06dd2Dan Gohman EXTRACT_SUBVECTOR, 2976595635175764f402e7a5e53216c8d46bdce8c28Dan Gohman 29849c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// VECTOR_SHUFFLE(VEC1, VEC2, SHUFFLEVEC) - Returns a vector, of the same 29949c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// type as VEC1/VEC2. SHUFFLEVEC is a BUILD_VECTOR of constant int values 30049c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// (regardless of whether its datatype is legal or not) that indicate 30149c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// which value each result element will get. The elements of VEC1/VEC2 are 30249c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// enumerated in order. This is quite similar to the Altivec 'vperm' 30349c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// instruction, except that the indices must be constants and are in terms 30449c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner /// of the element size of VEC1/VEC2, not in terms of bytes. 30549c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner VECTOR_SHUFFLE, 30649c6d3eba8869cf945f6c55ea243466e2b406fe8Chris Lattner 307210721aecc0916315f61660dc387a96b89ec423bChris Lattner /// SCALAR_TO_VECTOR(VAL) - This represents the operation of loading a 308210721aecc0916315f61660dc387a96b89ec423bChris Lattner /// scalar value into the low element of the resultant vector type. The top 309210721aecc0916315f61660dc387a96b89ec423bChris Lattner /// elements of the vector are undefined. 310210721aecc0916315f61660dc387a96b89ec423bChris Lattner SCALAR_TO_VECTOR, 311210721aecc0916315f61660dc387a96b89ec423bChris Lattner 312557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb // EXTRACT_SUBREG - This node is used to extract a sub-register value. 313557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb // This node takes a superreg and a constant sub-register index as operands. 314557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb EXTRACT_SUBREG, 315557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb 316557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb // INSERT_SUBREG - This node is used to insert a sub-register value. 317557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb // This node takes a superreg, a subreg value, and a constant sub-register 318557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb // index as operands. 319557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb INSERT_SUBREG, 320557c3631d320c5731e55b6f818a1c7b2d4d97176Christopher Lamb 321bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner // MULHU/MULHS - Multiply high - Multiply two integers of type iN, producing 322b36904be918b72cc4c714552d42d6a713f27bbf5Duncan Sands // an unsigned/signed value of type i[2*N], then return the top part. 323bede0b7dd7c70792b09f6d38f6f2dfe7c1feb1d1Chris Lattner MULHU, MULHS, 32463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 32535ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // Bitwise operators - logical and, logical or, logical xor, shift left, 32635ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // shift right algebraic (shift in sign bits), shift right logical (shift in 32735ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman // zeroes), rotate left, rotate right, and byteswap. 32835ef913ec21de0f4f1b39c811b4335438717a9b8Nate Begeman AND, OR, XOR, SHL, SRA, SRL, ROTL, ROTR, BSWAP, 32963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 330691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth // Counting operators 331691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth CTTZ, CTLZ, CTPOP, 332691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth 333fa984b61e42c94ad7e66cf2880ca826dba488d30Chris Lattner // Select(COND, TRUEVAL, FALSEVAL) 3349373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman SELECT, 3359373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman 3369373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // Select with condition operator - This selects between a true value and 3379373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // a false value (ops #2 and #3) based on the boolean result of comparing 3389373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // the lhs and rhs (ops #0 and #1) of a conditional expression with the 3399373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman // condition code in op #4, a CondCodeSDNode. 3409373a81e53ce5f9f2c06c4209b8b886605aece08Nate Begeman SELECT_CC, 34163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 34263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // SetCC operator - This evaluates to a boolean (i1) true value if the 3437cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // condition is true. The operands to this are the left and right operands 3447cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // to compare (ops #0, and #1) and the condition code to compare them with 3457cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner // (op #2) as a CondCodeSDNode. 34663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETCC, 34763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 34814c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // SHL_PARTS/SRA_PARTS/SRL_PARTS - These operators are used for expanded 34914c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // integer shift operations, just like ADD/SUB_PARTS. The operation 35014c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner // ordering is: 3516b8f2d649c1e96e0222be9de1e5d6c79e3eef021Chris Lattner // [Lo,Hi] = op [LoLHS,HiLHS], Amt 35214c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner SHL_PARTS, SRA_PARTS, SRL_PARTS, 35314c5b53c037a6a175118ed1a7d7e0e74153d56c4Chris Lattner 35463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Conversion operators. These are all single input single output 35563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // operations. For all of these, the result type must be strictly 35663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // wider or narrower (depending on the operation) than the source 35763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // type. 35863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 35963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // SIGN_EXTEND - Used for integer types, replicating the sign bit 36063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // into new bits. 36163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SIGN_EXTEND, 36263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 36363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // ZERO_EXTEND - Used for integer types, zeroing the new bits. 36463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner ZERO_EXTEND, 36563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3667e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner // ANY_EXTEND - Used for integer types. The high bits are undefined. 3677e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner ANY_EXTEND, 3687e122db776d9731dfe5acb7faa9da4f3c33ee5a1Chris Lattner 36963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // TRUNCATE - Completely drop the high bits. 37063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner TRUNCATE, 37163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 3721645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // [SU]INT_TO_FP - These operators convert integers (whose interpreted sign 3731645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // depends on the first letter) to floating point. 3741645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner SINT_TO_FP, 3751645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner UINT_TO_FP, 3761645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner 377ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // SIGN_EXTEND_INREG - This operator atomically performs a SHL/SRA pair to 378ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // sign extend a small value in a large integer register (e.g. sign 379ea5761068956b157832d67bcc9d5e8ba706f545cChris Lattner // extending the low 8 bits of a 32-bit register to fill the top 24 bits 38015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // with the 7th bit). The size of the smaller type is indicated by the 1th 38115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // operand, a ValueType node. 382859157daee6a4b49e99921832e1dde065167b317Chris Lattner SIGN_EXTEND_INREG, 383859157daee6a4b49e99921832e1dde065167b317Chris Lattner 3841645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // FP_TO_[US]INT - Convert a floating point value to a signed or unsigned 3851645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner // integer. 3861645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner FP_TO_SINT, 3871645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner FP_TO_UINT, 3881645ed0b93901ec678cd54024c8b09bca632b296Chris Lattner 38963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // FP_ROUND - Perform a rounding operation from the current 390859157daee6a4b49e99921832e1dde065167b317Chris Lattner // precision down to the specified precision (currently always 64->32). 39163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner FP_ROUND, 39263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 393917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // FLT_ROUNDS - Returns current rounding mode: 394917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // -1 Undefined 395917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // 0 Round to 0 396917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // 1 Round to nearest 397917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // 2 Round to +inf 398917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov // 3 Round to -inf 399917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov FLT_ROUNDS, 400917c2a6ff2cfcd1263a5dd80c54336754c553aceAnton Korobeynikov 401859157daee6a4b49e99921832e1dde065167b317Chris Lattner // FP_ROUND_INREG - This operator takes a floating point register, and 402859157daee6a4b49e99921832e1dde065167b317Chris Lattner // rounds it to a floating point value. It then promotes it and returns it 403859157daee6a4b49e99921832e1dde065167b317Chris Lattner // in a register of the same size. This operation effectively just discards 40415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // excess precision. The type to round down to is specified by the 1th 40515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner // operation, a VTSDNode (currently always 64->32->64). 406859157daee6a4b49e99921832e1dde065167b317Chris Lattner FP_ROUND_INREG, 407859157daee6a4b49e99921832e1dde065167b317Chris Lattner 40863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // FP_EXTEND - Extend a smaller FP type into a larger FP type. 40963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner FP_EXTEND, 41063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 4111ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner // BIT_CONVERT - Theis operator converts between integer and FP values, as 4121ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner // if one was stored to memory as integer and the other was loaded from the 41380f55abf009c86bc03821e10746832f88f8a735fChris Lattner // same address (or equivalently for vector format conversions, etc). The 41480f55abf009c86bc03821e10746832f88f8a735fChris Lattner // source and result are required to have the same bit size (e.g. 41580f55abf009c86bc03821e10746832f88f8a735fChris Lattner // f32 <-> i32). This can also be used for int-to-int or fp-to-fp 41680f55abf009c86bc03821e10746832f88f8a735fChris Lattner // conversions, but that is a noop, deleted by getNode(). 4171ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner BIT_CONVERT, 4181ac1c4b9d2877bd2d15bcf578bc617a605d815b0Chris Lattner 41907f04fd574a59c690f297fd10c2e0dd14093675eDan Gohman // FNEG, FABS, FSQRT, FSIN, FCOS, FPOWI, FPOW - Perform unary floating point 42007f04fd574a59c690f297fd10c2e0dd14093675eDan Gohman // negation, absolute value, square root, sine and cosine, powi, and pow 421dd2afb0e1f65bc41d2c0053468fcddfd696a8231Chris Lattner // operations. 42207f04fd574a59c690f297fd10c2e0dd14093675eDan Gohman FNEG, FABS, FSQRT, FSIN, FCOS, FPOWI, FPOW, 42338bf3bffe3abfd00169d6dcf4fad7e2197808dbfChris Lattner 4248862ef148100070b7bf28beead3951464250c926Evan Cheng // LOAD and STORE have token chains as their first operand, then the same 4258862ef148100070b7bf28beead3951464250c926Evan Cheng // operands as an LLVM load/store instruction, then an offset node that 4268862ef148100070b7bf28beead3951464250c926Evan Cheng // is added / subtracted from the base pointer to form the address (for 4278862ef148100070b7bf28beead3951464250c926Evan Cheng // indexed memory ops). 42863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner LOAD, STORE, 4295fbb5d2459a5410590f285250faa604576308a93Nate Begeman 43063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // DYNAMIC_STACKALLOC - Allocate some number of bytes on the stack aligned 43157fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // to a specified boundary. This node always has two return values: a new 43257fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // stack pointer value and a chain. The first operand is the token chain, 43357fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // the second is the number of bytes to allocate, and the third is the 43457fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // alignment boundary. The size is guaranteed to be a multiple of the stack 43557fc00d5cf47343ba762493b8781ca0b14489c35Anton Korobeynikov // alignment, and the alignment is guaranteed to be bigger than the stack 43674fe063e90045931eefaba561730e6a9175ced78Chris Lattner // alignment (if required) or 0 to get standard stack alignment. 43763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner DYNAMIC_STACKALLOC, 43863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 43963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Control flow instructions. These all have token chains. 440ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 44163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BR - Unconditional branch. The first operand is the chain 44263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // operand, the second is the MBB to branch to. 44363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BR, 44463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 44537efe6764568a3829fee26aba532283131d1a104Nate Begeman // BRIND - Indirect branch. The first operand is the chain, the second 44637efe6764568a3829fee26aba532283131d1a104Nate Begeman // is the value to branch to, which must be of the same type as the target's 44737efe6764568a3829fee26aba532283131d1a104Nate Begeman // pointer type. 44837efe6764568a3829fee26aba532283131d1a104Nate Begeman BRIND, 449c41cd9c391f1f69adf416145a5a1308d7ce342fcEvan Cheng 450c41cd9c391f1f69adf416145a5a1308d7ce342fcEvan Cheng // BR_JT - Jumptable branch. The first operand is the chain, the second 451c41cd9c391f1f69adf416145a5a1308d7ce342fcEvan Cheng // is the jumptable index, the last one is the jumptable entry index. 452c41cd9c391f1f69adf416145a5a1308d7ce342fcEvan Cheng BR_JT, 45337efe6764568a3829fee26aba532283131d1a104Nate Begeman 45463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BRCOND - Conditional branch. The first operand is the chain, 45563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // the second is the condition, the third is the block to branch 45663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // to if the condition is true. 45763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner BRCOND, 45863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 4597cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // BR_CC - Conditional branch. The behavior is like that of SELECT_CC, in 4607cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // that the condition is represented as condition code, and two nodes to 4617cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // compare, rather than as a combined SetCC node. The operands in order are 4627cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman // chain, cc, lhs, rhs, block to branch to if condition is true. 4637cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman BR_CC, 4647cbd525ba85ebe440d15fa359ec940e404d14906Nate Begeman 46563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // RET - Return from function. The first operand is the chain, 4668e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng // and any subsequent operands are pairs of return value and return value 4678e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng // signness for the function. This operation can have variable number of 4688e7d056bc5c0688501f6721994c8f4074d699c69Evan Cheng // operands. 46963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner RET, 47063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 4717572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // INLINEASM - Represents an inline asm block. This node always has two 4727572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // return values: a chain and a flag result. The inputs are as follows: 4737572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #0 : Input chain. 4747572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #1 : a ExternalSymbolSDNode with a pointer to the asm string. 4757572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #2n+2: A RegisterNode. 4767572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #2n+3: A TargetConstant, indicating if the reg is a use/def 4777572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner // Operand #last: Optional, an incoming flag. 4787572eb81eee93b0c666ddc5f5ff0ff72f17574fdChris Lattner INLINEASM, 4791ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey 4801ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // LABEL - Represents a label in mid basic block used to track 4811ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // locations needed for debug and exception handling tables. This node 4821ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // returns a chain. 4831ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // Operand #0 : input chain. 4841ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey // Operand #1 : module unique number use to identify the label. 4851ee29257428960fede862fcfdbe80d5d007927e9Jim Laskey LABEL, 486f09f2e304dc82010d2e02a9b40a8c5fb0091490cJim Laskey 4875a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // STACKSAVE - STACKSAVE has one operand, an input chain. It produces a 4885a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // value, the same type as the pointer type for the system, and an output 4895a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // chain. 4905a67afc118d47a0061ca9809c763451ea3125306Chris Lattner STACKSAVE, 4915a67afc118d47a0061ca9809c763451ea3125306Chris Lattner 4925a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // STACKRESTORE has two operands, an input chain and a pointer to restore to 4935a67afc118d47a0061ca9809c763451ea3125306Chris Lattner // it returns an output chain. 4945a67afc118d47a0061ca9809c763451ea3125306Chris Lattner STACKRESTORE, 4955a67afc118d47a0061ca9809c763451ea3125306Chris Lattner 4965c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola // MEMSET/MEMCPY/MEMMOVE - The first operand is the chain. The following 4975c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola // correspond to the operands of the LLVM intrinsic functions and the last 4985c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola // one is AlwaysInline. The only result is a token chain. The alignment 4995c0d6ed325417baa5d119af9c2b6790231d8565fRafael Espindola // argument is guaranteed to be a Constant node. 500ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner MEMSET, 501ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner MEMMOVE, 502ef36aa75d7df2bb67e8bfb0da7c43c1b331611e4Chris Lattner MEMCPY, 503ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 50416cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // CALLSEQ_START/CALLSEQ_END - These operators mark the beginning and end of 50516cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // a call sequence, and carry arbitrary information that target might want 50616cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // to know. The first operand is a chain, the rest are specified by the 50716cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner // target and not touched by the DAG optimizers. 50816cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner CALLSEQ_START, // Beginning of a call sequence 50916cd04d26c53c6f81313cafb85f6c0e7a07cdff6Chris Lattner CALLSEQ_END, // End of a call sequence 510acc398c195a697795bff3245943d104eb19192b9Nate Begeman 511acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VAARG - VAARG has three operands: an input chain, a pointer, and a 512acc398c195a697795bff3245943d104eb19192b9Nate Begeman // SRCVALUE. It returns a pair of values: the vaarg value and a new chain. 513acc398c195a697795bff3245943d104eb19192b9Nate Begeman VAARG, 514acc398c195a697795bff3245943d104eb19192b9Nate Begeman 515acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VACOPY - VACOPY has five operands: an input chain, a destination pointer, 516acc398c195a697795bff3245943d104eb19192b9Nate Begeman // a source pointer, a SRCVALUE for the destination, and a SRCVALUE for the 517acc398c195a697795bff3245943d104eb19192b9Nate Begeman // source. 518acc398c195a697795bff3245943d104eb19192b9Nate Begeman VACOPY, 519acc398c195a697795bff3245943d104eb19192b9Nate Begeman 520acc398c195a697795bff3245943d104eb19192b9Nate Begeman // VAEND, VASTART - VAEND and VASTART have three operands: an input chain, a 521acc398c195a697795bff3245943d104eb19192b9Nate Begeman // pointer, and a SRCVALUE. 522acc398c195a697795bff3245943d104eb19192b9Nate Begeman VAEND, VASTART, 52363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 52421074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // SRCVALUE - This corresponds to a Value*, and is used to associate memory 52521074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // locations with their value. This allows one use alias analysis 52621074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner // information in the backend. 52721074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner SRCVALUE, 52821074f43ed5165828717ea3606eb2bd222a39b26Chris Lattner 529e3f570c3f9048bc71a9f5841343eae63719e439bMisha Brukman // PCMARKER - This corresponds to the pcmarker intrinsic. 53095762124a1d781cc0f8cbc4c22e9c5c1358d7ea0Andrew Lenharth PCMARKER, 53163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 532aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth // READCYCLECOUNTER - This corresponds to the readcyclecounter intrinsic. 5338b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // The only operand is a chain and a value and a chain are produced. The 5348b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // value is the contents of the architecture specific cycle counter like 5358b91c77385a055474d271aa8c10f0382fdeaafebAndrew Lenharth // register (or other high accuracy low latency clock source) 536aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth READCYCLECOUNTER, 537aeef8fc5c6124a34bd2a723071a3982b559c26f2Andrew Lenharth 538d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner // HANDLENODE node - Used as a handle for various purposes. 539d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner HANDLENODE, 5402d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 54147725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // LOCATION - This node is used to represent a source location for debug 54247725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // info. It takes token chain as input, then a line number, then a column 54347725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // number, then a filename, then a working dir. It produces a token chain 54447725d059b259f8a0c145478300c9e9caa006b59Chris Lattner // as output. 54547725d059b259f8a0c145478300c9e9caa006b59Chris Lattner LOCATION, 54647725d059b259f8a0c145478300c9e9caa006b59Chris Lattner 547f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey // DEBUG_LOC - This node is used to represent source line information 548abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // embedded in the code. It takes a token chain as input, then a line 54944c3b9fdd416c79f4b67cde1aecfced5921efd81Jim Laskey // number, then a column then a file id (provided by MachineModuleInfo.) It 550abf6d1784b2d4bbcb7d20ab64881f77d755059f6Jim Laskey // produces a token chain as output. 551f5395cee6a24699a016b2e379cf4804b09ce5030Jim Laskey DEBUG_LOC, 55236397f50343639ce9a25996f2d790c656791ab92Duncan Sands 55336397f50343639ce9a25996f2d790c656791ab92Duncan Sands // TRAMPOLINE - This corresponds to the init_trampoline intrinsic. 55436397f50343639ce9a25996f2d790c656791ab92Duncan Sands // It takes as input a token chain, the pointer to the trampoline, 55536397f50343639ce9a25996f2d790c656791ab92Duncan Sands // the pointer to the nested function, the pointer to pass for the 55636397f50343639ce9a25996f2d790c656791ab92Duncan Sands // 'nest' parameter, a SRCVALUE for the trampoline and another for 55736397f50343639ce9a25996f2d790c656791ab92Duncan Sands // the nested function (allowing targets to access the original 558f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // Function*). It produces the result of the intrinsic and a token 559f7331b3dd72409e644833ecaf62a0f6db03c97eeDuncan Sands // chain as output. 56036397f50343639ce9a25996f2d790c656791ab92Duncan Sands TRAMPOLINE, 56136397f50343639ce9a25996f2d790c656791ab92Duncan Sands 56263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // BUILTIN_OP_END - This must be the last enum value in this list. 563410354fe0c052141dadeca939395743f8dd58e38Chris Lattner BUILTIN_OP_END 56463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner }; 56563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 566322dcd379eb19ea8d01478a661920ea1ce62fa0dChris Lattner /// Node predicates 567322dcd379eb19ea8d01478a661920ea1ce62fa0dChris Lattner 568a8df166fbef047c90adba3c673162a1b1f6681c4Evan Cheng /// isBuildVectorAllOnes - Return true if the specified node is a 569322dcd379eb19ea8d01478a661920ea1ce62fa0dChris Lattner /// BUILD_VECTOR where all of the elements are ~0 or undef. 570a8df166fbef047c90adba3c673162a1b1f6681c4Evan Cheng bool isBuildVectorAllOnes(const SDNode *N); 5714a147842eb24a7611fcd7bfb37c55185b4664927Evan Cheng 5724a147842eb24a7611fcd7bfb37c55185b4664927Evan Cheng /// isBuildVectorAllZeros - Return true if the specified node is a 5734a147842eb24a7611fcd7bfb37c55185b4664927Evan Cheng /// BUILD_VECTOR where all of the elements are 0 or undef. 5744a147842eb24a7611fcd7bfb37c55185b4664927Evan Cheng bool isBuildVectorAllZeros(const SDNode *N); 575322dcd379eb19ea8d01478a661920ea1ce62fa0dChris Lattner 57663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 577144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng /// MemIndexedMode enum - This enum defines the load / store indexed 578144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng /// addressing modes. 57924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 58024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// UNINDEXED "Normal" load / store. The effective address is already 58124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// computed and is available in the base pointer. The offset 58281c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// operand is always undefined. In addition to producing a 58381c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// chain, an unindexed load produces one value (result of the 58481c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// load); an unindexed store does not produces a value. 58524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 58635acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng /// PRE_INC Similar to the unindexed mode where the effective address is 5878862ef148100070b7bf28beead3951464250c926Evan Cheng /// PRE_DEC the value of the base pointer add / subtract the offset. 5888862ef148100070b7bf28beead3951464250c926Evan Cheng /// It considers the computation as being folded into the load / 58924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// store operation (i.e. the load / store does the address 59024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// computation as well as performing the memory transaction). 59181c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// The base operand is always undefined. In addition to 59281c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// producing a chain, pre-indexed load produces two values 59381c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// (result of the load and the result of the address 59481c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// computation); a pre-indexed store produces one value (result 59581c384578828dde08f63a4f030f4860a92391cddEvan Cheng /// of the address computation). 59624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 59735acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng /// POST_INC The effective address is the value of the base pointer. The 5988862ef148100070b7bf28beead3951464250c926Evan Cheng /// POST_DEC value of the offset operand is then added to / subtracted 5998862ef148100070b7bf28beead3951464250c926Evan Cheng /// from the base after memory transaction. In addition to 6008862ef148100070b7bf28beead3951464250c926Evan Cheng /// producing a chain, post-indexed load produces two values 6018862ef148100070b7bf28beead3951464250c926Evan Cheng /// (the result of the load and the result of the base +/- offset 6028862ef148100070b7bf28beead3951464250c926Evan Cheng /// computation); a post-indexed store produces one value (the 6038862ef148100070b7bf28beead3951464250c926Evan Cheng /// the result of the base +/- offset computation). 60424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 605144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng enum MemIndexedMode { 60624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng UNINDEXED = 0, 60735acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng PRE_INC, 60835acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng PRE_DEC, 60935acd30a2e96a5a4ad9fa837971af2cc583bcd1fEvan Cheng POST_INC, 610144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng POST_DEC, 611144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng LAST_INDEXED_MODE 61224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng }; 61324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 61424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng //===--------------------------------------------------------------------===// 615c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// LoadExtType enum - This enum defines the three variants of LOADEXT 616c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// (load with extension). 617c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// 61824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// SEXTLOAD loads the integer operand and sign extends it to a larger 61924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// integer result type. 62024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// ZEXTLOAD loads the integer operand and zero extends it to a larger 62124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// integer result type. 62224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// EXTLOAD is used for three things: floating point extending loads, 62324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// integer extending loads [the top bits are undefined], and vector 62424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// extending loads [load into low elt]. 62524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// 626c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng enum LoadExtType { 62724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng NON_EXTLOAD = 0, 628c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng EXTLOAD, 629c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng SEXTLOAD, 630c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng ZEXTLOAD, 631c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng LAST_LOADX_TYPE 632c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng }; 633c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 634c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng //===--------------------------------------------------------------------===// 63563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// ISD::CondCode enum - These are ordered carefully to make the bitfields 63663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// below work out, when considering SETFALSE (something that never exists 63763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// dynamically) as 0. "U" -> Unsigned (for integer operands) or Unordered 63863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// (for floating point), "L" -> Less than, "G" -> Greater than, "E" -> Equal 63963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// to. If the "N" column is 1, the result of the comparison is undefined if 64063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// the input is a NAN. 64163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 64263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// All of these (except for the 'always folded ops') should be handled for 64363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// floating point. For integer, only the SETEQ,SETNE,SETLT,SETLE,SETGT, 64463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// SETGE,SETULT,SETULE,SETUGT, and SETUGE opcodes are used. 64563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 64663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// Note that these are laid out in a specific order to allow bit-twiddling 64763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// to transform conditions. 64863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner enum CondCode { 64963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Opcode N U L G E Intuitive operation 65063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETFALSE, // 0 0 0 0 Always false (always folded) 65163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOEQ, // 0 0 0 1 True if ordered and equal 65263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOGT, // 0 0 1 0 True if ordered and greater than 65363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOGE, // 0 0 1 1 True if ordered and greater than or equal 65463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOLT, // 0 1 0 0 True if ordered and less than 65563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETOLE, // 0 1 0 1 True if ordered and less than or equal 65663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETONE, // 0 1 1 0 True if ordered and operands are unequal 65763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETO, // 0 1 1 1 True if ordered (no nans) 65863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUO, // 1 0 0 0 True if unordered: isnan(X) | isnan(Y) 65963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUEQ, // 1 0 0 1 True if unordered or equal 66063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUGT, // 1 0 1 0 True if unordered or greater than 66163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUGE, // 1 0 1 1 True if unordered, greater than, or equal 66263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETULT, // 1 1 0 0 True if unordered or less than 663ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SETULE, // 1 1 0 1 True if unordered, less than, or equal 66463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETUNE, // 1 1 1 0 True if unordered or not equal 66563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETTRUE, // 1 1 1 1 Always true (always folded) 66663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Don't care operations: undefined if the input is a nan. 66763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETFALSE2, // 1 X 0 0 0 Always false (always folded) 66863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETEQ, // 1 X 0 0 1 True if equal 66963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETGT, // 1 X 0 1 0 True if greater than 67063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETGE, // 1 X 0 1 1 True if greater than or equal 67163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETLT, // 1 X 1 0 0 True if less than 672ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SETLE, // 1 X 1 0 1 True if less than or equal 67363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETNE, // 1 X 1 1 0 True if not equal 67463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SETTRUE2, // 1 X 1 1 1 Always true (always folded) 67563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 676410354fe0c052141dadeca939395743f8dd58e38Chris Lattner SETCC_INVALID // Marker value. 67763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner }; 67863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 67963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isSignedIntSetCC - Return true if this is a setcc instruction that 68063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// performs a signed comparison when used with integer operands. 68163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isSignedIntSetCC(CondCode Code) { 68263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Code == SETGT || Code == SETGE || Code == SETLT || Code == SETLE; 68363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 68463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 68563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isUnsignedIntSetCC - Return true if this is a setcc instruction that 68663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// performs an unsigned comparison when used with integer operands. 68763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isUnsignedIntSetCC(CondCode Code) { 68863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Code == SETUGT || Code == SETUGE || Code == SETULT || Code == SETULE; 68963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 69063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 69163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isTrueWhenEqual - Return true if the specified condition returns true if 69263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// the two operands to the condition are equal. Note that if one of the two 69363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operands is a NaN, this value is meaningless. 69463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline bool isTrueWhenEqual(CondCode Cond) { 69563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return ((int)Cond & 1) != 0; 69663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 69763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 69863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getUnorderedFlavor - This function returns 0 if the condition is always 69963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// false if an operand is a NaN, 1 if the condition is always true if the 70063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operand is a NaN, and 2 if the condition is undefined if the operand is a 70163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// NaN. 70263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getUnorderedFlavor(CondCode Cond) { 70363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return ((int)Cond >> 3) & 3; 70463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 70563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 70663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCInverse - Return the operation corresponding to !(X op Y), where 70763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 'op' is a valid SetCC operation. 70863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCInverse(CondCode Operation, bool isInteger); 70963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 71063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCSwappedOperands - Return the operation corresponding to (Y op X) 71163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// when given the operation for (X op Y). 71263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCSwappedOperands(CondCode Operation); 71363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 71463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCOrOperation - Return the result of a logical OR between different 71563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// comparisons of identical values: ((X op1 Y) | (X op2 Y)). This 71663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// function returns SETCC_INVALID if it is not possible to represent the 71763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// resultant comparison. 71863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCOrOperation(CondCode Op1, CondCode Op2, bool isInteger); 71963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 72063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getSetCCAndOperation - Return the result of a logical AND between 72163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// different comparisons of identical values: ((X op1 Y) & (X op2 Y)). This 72263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// function returns SETCC_INVALID if it is not possible to represent the 72363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// resultant comparison. 72463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner CondCode getSetCCAndOperation(CondCode Op1, CondCode Op2, bool isInteger); 72563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} // end llvm::ISD namespace 72663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 72763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 72863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner//===----------------------------------------------------------------------===// 72963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SDOperand - Unlike LLVM values, Selection DAG nodes may return multiple 73063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// values as the result of a computation. Many nodes return multiple values, 73163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// from loads (which define a token and a return value) to ADDC (which returns 73263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// a result and a carry value), to calls (which may return an arbitrary number 73363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// of values). 73463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 73563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// As such, each use of a SelectionDAG computation must indicate the node that 73663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// computes it as well as which return value to use from that node. This pair 73763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// of information is represented with the SDOperand value type. 73863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 739f26bc8ef4827cf0023a7052b62b920b41813d473Chris Lattnerclass SDOperand { 740f26bc8ef4827cf0023a7052b62b920b41813d473Chris Lattnerpublic: 74163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDNode *Val; // The node defining the value we are using. 74263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned ResNo; // Which return value of the node we are using. 74363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 744ace44dbbabe9ee0498834957632df2af0dbf9c59Reid Spencer SDOperand() : Val(0), ResNo(0) {} 74563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDOperand(SDNode *val, unsigned resno) : Val(val), ResNo(resno) {} 74663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 74763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool operator==(const SDOperand &O) const { 74863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val == O.Val && ResNo == O.ResNo; 74963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 75063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool operator!=(const SDOperand &O) const { 75163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return !operator==(O); 75263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 75363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool operator<(const SDOperand &O) const { 75463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val < O.Val || (Val == O.Val && ResNo < O.ResNo); 75563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 75663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 75763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner SDOperand getValue(unsigned R) const { 75863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return SDOperand(Val, R); 75963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 76063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 761bfa284f69752c54f81bffc2b0d15d5c1e618a659Evan Cheng // isOperand - Return true if this node is an operand of N. 762bfa284f69752c54f81bffc2b0d15d5c1e618a659Evan Cheng bool isOperand(SDNode *N) const; 763bfa284f69752c54f81bffc2b0d15d5c1e618a659Evan Cheng 76463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getValueType - Return the ValueType of the referenced return value. 76563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 76663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline MVT::ValueType getValueType() const; 767ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 76863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Forwarding methods - These forward to the corresponding methods in SDNode. 76963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getOpcode() const; 77063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline unsigned getNumOperands() const; 77163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner inline const SDOperand &getOperand(unsigned i) const; 772c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng inline uint64_t getConstantOperandVal(unsigned i) const; 7730f66a9172175aa7c3055333358170581c999219bNate Begeman inline bool isTargetOpcode() const; 7740f66a9172175aa7c3055333358170581c999219bNate Begeman inline unsigned getTargetOpcode() const; 775a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner 776a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner /// hasOneUse - Return true if there is exactly one operation using this 777a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner /// result value of the defining operator. 778a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner inline bool hasOneUse() const; 779e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman 780e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman /// use_empty - Return true if there are no operations using this 781e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman /// result value of the defining operator. 782e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman inline bool use_empty() const; 78363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 78463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 78563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 78676c1b97e4020faace8c95a127f1eab66c278fb58Chris Lattnertemplate<> struct DenseMapInfo<SDOperand> { 787c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng static inline SDOperand getEmptyKey() { return SDOperand((SDNode*)-1, -1U); } 788c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng static inline SDOperand getTombstoneKey() { return SDOperand((SDNode*)-1, 0);} 789c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng static unsigned getHashValue(const SDOperand &Val) { 790c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng return (unsigned)((uintptr_t)Val.Val >> 4) ^ 791c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng (unsigned)((uintptr_t)Val.Val >> 9) + Val.ResNo; 792c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng } 79376c1b97e4020faace8c95a127f1eab66c278fb58Chris Lattner static bool isEqual(const SDOperand &LHS, const SDOperand &RHS) { 79476c1b97e4020faace8c95a127f1eab66c278fb58Chris Lattner return LHS == RHS; 79576c1b97e4020faace8c95a127f1eab66c278fb58Chris Lattner } 796c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng static bool isPod() { return true; } 797c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng}; 798c63d391c9a886d58c6a53a7f565fbd544b076d9fEvan Cheng 79963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// simplify_type specializations - Allow casting operators to work directly on 80063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SDOperands as if they were SDNode*'s. 80163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnertemplate<> struct simplify_type<SDOperand> { 80263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner typedef SDNode* SimpleType; 80363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static SimpleType getSimplifiedValue(const SDOperand &Val) { 80463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return static_cast<SimpleType>(Val.Val); 80563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 80663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 80763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnertemplate<> struct simplify_type<const SDOperand> { 80863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner typedef SDNode* SimpleType; 80963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static SimpleType getSimplifiedValue(const SDOperand &Val) { 81063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return static_cast<SimpleType>(Val.Val); 81163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 81263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 81363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 81463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 81563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// SDNode - Represents one node in the SelectionDAG. 81663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner/// 817583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskeyclass SDNode : public FoldingSetNode { 8180442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// NodeType - The operation that this node performs. 8190442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// 8200442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner unsigned short NodeType; 82163e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner 82263e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner /// OperandsNeedDelete - This is true if OperandList was new[]'d. If true, 82363e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner /// then they will be delete[]'d when the node is destroyed. 82463e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner bool OperandsNeedDelete : 1; 8250442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 826b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng /// NodeId - Unique id per SDNode in the DAG. 827b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng int NodeId; 8280442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 829f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// OperandList - The values that are used by this operation. 8300442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner /// 831f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner SDOperand *OperandList; 832f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner 833f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// ValueList - The types of the values this node defines. SDNode's may 834f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// define multiple values simultaneously. 8352fa6d3b1fcadbde90eaee0e8e89aebd81630b662Chris Lattner const MVT::ValueType *ValueList; 83663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 837f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner /// NumOperands/NumValues - The number of entries in the Operand/Value list. 838f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned short NumOperands, NumValues; 839b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 840b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner /// Prev/Next pointers - These pointers form the linked list of of the 841b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner /// AllNodes list in the current DAG. 842b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner SDNode *Prev, *Next; 843b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner friend struct ilist_traits<SDNode>; 84463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 84563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// Uses - These are all of the SDNode's that use a value produced by this 84663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// node. 8475892d47a625638a90afeb31dd4f6f80a2f9bacdeChris Lattner SmallVector<SDNode*,3> Uses; 848917d2c9dc2cc8879ed97533e7f75f3f92fa26b61Chris Lattner 849917d2c9dc2cc8879ed97533e7f75f3f92fa26b61Chris Lattner // Out-of-line virtual method to give class a home. 850917d2c9dc2cc8879ed97533e7f75f3f92fa26b61Chris Lattner virtual void ANCHOR(); 85163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 852b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner virtual ~SDNode() { 853b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner assert(NumOperands == 0 && "Operand list not cleared before deletion"); 8543258ed6a361bf405a89f7af0b1885841d9909516Chris Lattner NodeType = ISD::DELETED_NODE; 855b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner } 856b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 85763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner //===--------------------------------------------------------------------===// 85863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // Accessors 85963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner // 86063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned getOpcode() const { return NodeType; } 8610f66a9172175aa7c3055333358170581c999219bNate Begeman bool isTargetOpcode() const { return NodeType >= ISD::BUILTIN_OP_END; } 8620f66a9172175aa7c3055333358170581c999219bNate Begeman unsigned getTargetOpcode() const { 8630f66a9172175aa7c3055333358170581c999219bNate Begeman assert(isTargetOpcode() && "Not a target opcode!"); 8640f66a9172175aa7c3055333358170581c999219bNate Begeman return NodeType - ISD::BUILTIN_OP_END; 8650f66a9172175aa7c3055333358170581c999219bNate Begeman } 86663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 86763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner size_t use_size() const { return Uses.size(); } 86863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool use_empty() const { return Uses.empty(); } 86963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool hasOneUse() const { return Uses.size() == 1; } 87063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 871b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng /// getNodeId - Return the unique node id. 872b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng /// 873b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng int getNodeId() const { return NodeId; } 8740442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner 8755892d47a625638a90afeb31dd4f6f80a2f9bacdeChris Lattner typedef SmallVector<SDNode*,3>::const_iterator use_iterator; 8767ece380440238ad0630a225b85a09a2dbed1165aChris Lattner use_iterator use_begin() const { return Uses.begin(); } 8777ece380440238ad0630a225b85a09a2dbed1165aChris Lattner use_iterator use_end() const { return Uses.end(); } 8787ece380440238ad0630a225b85a09a2dbed1165aChris Lattner 879b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// hasNUsesOfValue - Return true if there are exactly NUSES uses of the 880b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// indicated value. This method ignores uses of other values defined by this 881b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner /// operation. 8824ee621125876cc954cba5280dd9395552755a871Evan Cheng bool hasNUsesOfValue(unsigned NUses, unsigned Value) const; 8834ee621125876cc954cba5280dd9395552755a871Evan Cheng 88433d5595d667ba4a880bd7fe785724e8197bef70cEvan Cheng /// hasAnyUseOfValue - Return true if there are any use of the indicated 88533d5595d667ba4a880bd7fe785724e8197bef70cEvan Cheng /// value. This method ignores uses of other values defined by this operation. 88633d5595d667ba4a880bd7fe785724e8197bef70cEvan Cheng bool hasAnyUseOfValue(unsigned Value) const; 88733d5595d667ba4a880bd7fe785724e8197bef70cEvan Cheng 888e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// isOnlyUse - Return true if this node is the only use of N. 889e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// 8904ee621125876cc954cba5280dd9395552755a871Evan Cheng bool isOnlyUse(SDNode *N) const; 891b18a2f816cc9d1351ca8e380a6db5c5ef981943eChris Lattner 892e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// isOperand - Return true if this node is an operand of N. 893e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// 89480d8eaae05d9bcb25abf6c6f0385ec2554355f26Evan Cheng bool isOperand(SDNode *N) const; 89580d8eaae05d9bcb25abf6c6f0385ec2554355f26Evan Cheng 896e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// isPredecessor - Return true if this node is a predecessor of N. This node 897e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// is either an operand of N or it can be reached by recursively traversing 898e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// up the operands. 899e6e97e66a366cc7d2d103ac58db56e4bfd700b10Evan Cheng /// NOTE: this is an expensive method. Use it carefully. 9007ceebb437ebb18efefe72d8d2d0e9c762c3aa6b3Evan Cheng bool isPredecessor(SDNode *N) const; 9017ceebb437ebb18efefe72d8d2d0e9c762c3aa6b3Evan Cheng 90263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getNumOperands - Return the number of values used by this operation. 90363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 904f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned getNumOperands() const { return NumOperands; } 90563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 906c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// getConstantOperandVal - Helper method returns the integer value of a 907c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// ConstantSDNode operand. 908c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng uint64_t getConstantOperandVal(unsigned Num) const; 909c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 91063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const SDOperand &getOperand(unsigned Num) const { 911f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(Num < NumOperands && "Invalid child # of SDNode!"); 912f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner return OperandList[Num]; 91363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 914c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 915f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner typedef const SDOperand* op_iterator; 916f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner op_iterator op_begin() const { return OperandList; } 917f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner op_iterator op_end() const { return OperandList+NumOperands; } 91850f5a51f41d36c519de68ff11fbf7c7c76f45416Chris Lattner 91963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 9200b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner SDVTList getVTList() const { 9210b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner SDVTList X = { ValueList, NumValues }; 9220b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner return X; 9230b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner }; 9240b3e525a3a6b55b66dc5676675712b26e4c1ed9fChris Lattner 92563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getNumValues - Return the number of values defined/returned by this 92663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// operator. 92763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 928f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner unsigned getNumValues() const { return NumValues; } 92963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 93063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// getValueType - Return the type of a specified result. 93163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// 93263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MVT::ValueType getValueType(unsigned ResNo) const { 933f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner assert(ResNo < NumValues && "Illegal result number!"); 934f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner return ValueList[ResNo]; 93563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 9369eb59ec548b861d6ede05b4e6dc22aabf645e665Jeff Cohen 937f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner typedef const MVT::ValueType* value_iterator; 938f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner value_iterator value_begin() const { return ValueList; } 939f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner value_iterator value_end() const { return ValueList+NumValues; } 94063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 9416e6e3ceb080e5a8bdfd3258d883a06ebbd8a1965Chris Lattner /// getOperationName - Return the opcode of this operation for printing. 9426e6e3ceb080e5a8bdfd3258d883a06ebbd8a1965Chris Lattner /// 943ded5ed873fa7cd85f0b9d7c677b81dddf9a61eaaReid Spencer std::string getOperationName(const SelectionDAG *G = 0) const; 944144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng static const char* getIndexedModeName(ISD::MemIndexedMode AM); 94563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner void dump() const; 946efe58694050e48b61584b8454434dcd1ad886a71Chris Lattner void dump(const SelectionDAG *G) const; 94763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 94863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *) { return true; } 94963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 950583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey /// Profile - Gather unique data for the node. 951583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey /// 952583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey void Profile(FoldingSetNodeID &ID); 953583bd47f777fe3eb8305872fa0eadab31e833dffJim Laskey 95491956887f05d6c5d940ad1622b9d3cc33be0044dChris Lattner void setNodeId(int Id) { 95591956887f05d6c5d940ad1622b9d3cc33be0044dChris Lattner NodeId = Id; 95691956887f05d6c5d940ad1622b9d3cc33be0044dChris Lattner } 95791956887f05d6c5d940ad1622b9d3cc33be0044dChris Lattner 95863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 95963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 960109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner 961109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner /// getValueTypeList - Return a pointer to the specified value type. 962109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner /// 963109654fae9c5b8b96bd3a829824cdbceb27ced06Chris Lattner static MVT::ValueType *getValueTypeList(MVT::ValueType VT); 96463e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner static SDVTList getSDVTList(MVT::ValueType VT) { 96563e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner SDVTList Ret = { getValueTypeList(VT), 1 }; 96663e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner return Ret; 9672d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth } 96863e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner 969ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner SDNode(unsigned Opc, SDVTList VTs, const SDOperand *Ops, unsigned NumOps) 970b9ee9e60a905b90fa3e84c5c6091af6e5a0382d2Evan Cheng : NodeType(Opc), NodeId(-1) { 97163e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner OperandsNeedDelete = true; 972f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner NumOperands = NumOps; 973bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner OperandList = NumOps ? new SDOperand[NumOperands] : 0; 974f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner 975bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner for (unsigned i = 0; i != NumOps; ++i) { 976f06f35e30b4c4d7db304f717a3d4dc6595fbd078Chris Lattner OperandList[i] = Ops[i]; 977bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[i].Val->Uses.push_back(this); 9780442fbfadbeea21eee9df88dc466d95e040dde6bChris Lattner } 979bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 980ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner ValueList = VTs.VTs; 981ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner NumValues = VTs.NumVTs; 982b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner Prev = 0; Next = 0; 983f71e843f651ad94e19f85daa947fe24312b40d11Chris Lattner } 984bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner SDNode(unsigned Opc, SDVTList VTs) : NodeType(Opc), NodeId(-1) { 985bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner OperandsNeedDelete = false; // Operands set with InitOperands. 986bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner NumOperands = 0; 987bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner OperandList = 0; 988bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 989bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner ValueList = VTs.VTs; 990bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner NumValues = VTs.NumVTs; 991bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Prev = 0; Next = 0; 992bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner } 993bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 994bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner /// InitOperands - Initialize the operands list of this node with the 995bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner /// specified values, which are part of the node (thus they don't need to be 996bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner /// copied in or allocated). 997bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner void InitOperands(SDOperand *Ops, unsigned NumOps) { 998bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner assert(OperandList == 0 && "Operands already set!"); 999bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner NumOperands = NumOps; 1000bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner OperandList = Ops; 1001bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 1002bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner for (unsigned i = 0; i != NumOps; ++i) 1003bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[i].Val->Uses.push_back(this); 1004bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner } 1005bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 1006d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner /// MorphNodeTo - This frees the operands of the current node, resets the 1007d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner /// opcode, types, and operands to the specified value. This should only be 1008d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner /// used by the SelectionDAG class. 1009d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner void MorphNodeTo(unsigned Opc, SDVTList L, 1010d429bcd4ac734540ebbc15a0ee37d154ae1daf73Chris Lattner const SDOperand *Ops, unsigned NumOps); 10111b95095857b78e12138c22e76c7936611c51355bChris Lattner 10128c3484c5181834e6b7060a6064ac769878101f23Chris Lattner void addUser(SDNode *User) { 10138c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Uses.push_back(User); 10141b95095857b78e12138c22e76c7936611c51355bChris Lattner } 1015d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner void removeUser(SDNode *User) { 1016d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner // Remove this user from the operand's use list. 1017d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner for (unsigned i = Uses.size(); ; --i) { 1018d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner assert(i != 0 && "Didn't find user!"); 1019d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner if (Uses[i-1] == User) { 10208c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Uses[i-1] = Uses.back(); 10218c3484c5181834e6b7060a6064ac769878101f23Chris Lattner Uses.pop_back(); 10228c3484c5181834e6b7060a6064ac769878101f23Chris Lattner return; 1023d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner } 1024d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner } 1025d1fc96499b7619356c7542200d32da898b79f7c1Chris Lattner } 102663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 102763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 102863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 102963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner// Define inline functions from the SDOperand class. 103063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 103163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerinline unsigned SDOperand::getOpcode() const { 103263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getOpcode(); 103363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 103463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerinline MVT::ValueType SDOperand::getValueType() const { 103563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getValueType(ResNo); 103663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 103763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerinline unsigned SDOperand::getNumOperands() const { 103863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getNumOperands(); 103963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 104063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerinline const SDOperand &SDOperand::getOperand(unsigned i) const { 104163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return Val->getOperand(i); 104263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} 1043c548428c5d7328592f4db6f6cd815af18b3152a3Evan Chenginline uint64_t SDOperand::getConstantOperandVal(unsigned i) const { 1044c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng return Val->getConstantOperandVal(i); 1045c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng} 10460f66a9172175aa7c3055333358170581c999219bNate Begemaninline bool SDOperand::isTargetOpcode() const { 10470f66a9172175aa7c3055333358170581c999219bNate Begeman return Val->isTargetOpcode(); 10480f66a9172175aa7c3055333358170581c999219bNate Begeman} 10490f66a9172175aa7c3055333358170581c999219bNate Begemaninline unsigned SDOperand::getTargetOpcode() const { 10500f66a9172175aa7c3055333358170581c999219bNate Begeman return Val->getTargetOpcode(); 10510f66a9172175aa7c3055333358170581c999219bNate Begeman} 1052a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattnerinline bool SDOperand::hasOneUse() const { 1053a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner return Val->hasNUsesOfValue(1, ResNo); 1054a44f4aeca77c6c1627568fe68e92af9c7e33dc7eChris Lattner} 1055e1b50639a860934685dff840e1826b16dbe6a344Dan Gohmaninline bool SDOperand::use_empty() const { 1056e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman return !Val->hasAnyUseOfValue(ResNo); 1057e1b50639a860934685dff840e1826b16dbe6a344Dan Gohman} 105863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 10593f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// UnarySDNode - This class is used for single-operand SDNodes. This is solely 10603f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// to allow co-allocation of node operands with the node itself. 10613f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerclass UnarySDNode : public SDNode { 10623f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 10633f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner SDOperand Op; 10643f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerpublic: 10653f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner UnarySDNode(unsigned Opc, SDVTList VTs, SDOperand X) 10663f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner : SDNode(Opc, VTs), Op(X) { 10673f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner InitOperands(&Op, 1); 10683f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner } 10693f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner}; 10703f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner 10713f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// BinarySDNode - This class is used for two-operand SDNodes. This is solely 10723f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// to allow co-allocation of node operands with the node itself. 10733f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerclass BinarySDNode : public SDNode { 10743f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 10753f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner SDOperand Ops[2]; 10763f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerpublic: 10773f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner BinarySDNode(unsigned Opc, SDVTList VTs, SDOperand X, SDOperand Y) 10783f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner : SDNode(Opc, VTs) { 10793f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[0] = X; 10803f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[1] = Y; 10813f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner InitOperands(Ops, 2); 10823f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner } 10833f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner}; 10843f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner 10853f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// TernarySDNode - This class is used for three-operand SDNodes. This is solely 10863f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner/// to allow co-allocation of node operands with the node itself. 10873f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerclass TernarySDNode : public SDNode { 10883f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 10893f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner SDOperand Ops[3]; 10903f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattnerpublic: 10913f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner TernarySDNode(unsigned Opc, SDVTList VTs, SDOperand X, SDOperand Y, 10923f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner SDOperand Z) 10933f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner : SDNode(Opc, VTs) { 10943f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[0] = X; 10953f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[1] = Y; 10963f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner Ops[2] = Z; 10973f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner InitOperands(Ops, 3); 10983f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner } 10993f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner}; 11003f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner 11013f97eb449b08069e3370d4ba7566c60bdbf0babdChris Lattner 1102d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// HandleSDNode - This class is used to form a handle around another node that 1103d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// is persistant and is updated across invocations of replaceAllUsesWith on its 1104d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// operand. This node should be directly created by end-users and not added to 1105d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner/// the AllNodes list. 1106d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattnerclass HandleSDNode : public SDNode { 1107c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 1108bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner SDOperand Op; 1109d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattnerpublic: 1110423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit HandleSDNode(SDOperand X) 1111bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::HANDLENODE, getSDVTList(MVT::Other)), Op(X) { 1112bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner InitOperands(&Op, 1); 1113bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner } 111448b85926524f9d29ae600123c90194cd73fd629eChris Lattner ~HandleSDNode(); 1115bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner SDOperand getValue() const { return Op; } 1116d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner}; 1117d623e953fc5f46b013994dfa4651cff4d17af159Chris Lattner 111847725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerclass StringSDNode : public SDNode { 111947725d059b259f8a0c145478300c9e9caa006b59Chris Lattner std::string Value; 1120c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 112147725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerprotected: 112247725d059b259f8a0c145478300c9e9caa006b59Chris Lattner friend class SelectionDAG; 1123423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit StringSDNode(const std::string &val) 1124bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::STRING, getSDVTList(MVT::Other)), Value(val) { 112547725d059b259f8a0c145478300c9e9caa006b59Chris Lattner } 112647725d059b259f8a0c145478300c9e9caa006b59Chris Lattnerpublic: 112747725d059b259f8a0c145478300c9e9caa006b59Chris Lattner const std::string &getValue() const { return Value; } 112847725d059b259f8a0c145478300c9e9caa006b59Chris Lattner static bool classof(const StringSDNode *) { return true; } 112947725d059b259f8a0c145478300c9e9caa006b59Chris Lattner static bool classof(const SDNode *N) { 113047725d059b259f8a0c145478300c9e9caa006b59Chris Lattner return N->getOpcode() == ISD::STRING; 113147725d059b259f8a0c145478300c9e9caa006b59Chris Lattner } 113247725d059b259f8a0c145478300c9e9caa006b59Chris Lattner}; 113363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 113463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantSDNode : public SDNode { 113563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner uint64_t Value; 1136c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 113763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 113863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1139056f9f61d071c6c583951678f2bf543a1316efccChris Lattner ConstantSDNode(bool isTarget, uint64_t val, MVT::ValueType VT) 1140bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(isTarget ? ISD::TargetConstant : ISD::Constant, getSDVTList(VT)), 1141bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Value(val) { 114263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 114363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 114463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 114563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner uint64_t getValue() const { return Value; } 114663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 114763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int64_t getSignExtended() const { 114863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned Bits = MVT::getSizeInBits(getValueType(0)); 1149f26bc8ef4827cf0023a7052b62b920b41813d473Chris Lattner return ((int64_t)Value << (64-Bits)) >> (64-Bits); 115063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 115163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 115263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool isNullValue() const { return Value == 0; } 115363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner bool isAllOnesValue() const { 1154885a87ef8512a184a58a0ebe39705ccb221749efChris Lattner return Value == MVT::getIntVTBitMask(getValueType(0)); 115563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 115663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 115763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantSDNode *) { return true; } 115863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1159056f9f61d071c6c583951678f2bf543a1316efccChris Lattner return N->getOpcode() == ISD::Constant || 1160056f9f61d071c6c583951678f2bf543a1316efccChris Lattner N->getOpcode() == ISD::TargetConstant; 116163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 116263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 116363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 116463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantFPSDNode : public SDNode { 11658bb369b8072c919ef5802f639a52b17620201190Dale Johannesen APFloat Value; 1166c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 1167c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen // Longterm plan: replace all uses of getValue with getValueAPF, remove 1168c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen // getValue, rename getValueAPF to getValue. 116963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 117063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1171e6c1742914149d44360fbf05a653041a672282afDale Johannesen ConstantFPSDNode(bool isTarget, const APFloat& val, MVT::ValueType VT) 117287503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen : SDNode(isTarget ? ISD::TargetConstantFP : ISD::ConstantFP, 117387503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen getSDVTList(VT)), Value(val) { 117463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 117563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 117663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1177e6c1742914149d44360fbf05a653041a672282afDale Johannesen const APFloat& getValueAPF() const { return Value; } 117863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 117963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// isExactlyValue - We don't rely on operator== working on double values, as 118063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// it returns true for things that are clearly not equal, like -0.0 and 0.0. 118163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// As such, this method can be used to do an exact bit-for-bit comparison of 118263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner /// two floating point values. 1183c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen 1184c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen /// We leave the version with the double argument here because it's just so 1185c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen /// convenient to write "2.0" and the like. Without this function we'd 1186c4dd3c3b519aa2c2ed26ce03a4b1fbb992efeacaDale Johannesen /// have to duplicate its logic everywhere it's called. 118787503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen bool isExactlyValue(double V) const { 118887503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen if (getValueType(0)==MVT::f64) 118987503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen return isExactlyValue(APFloat(V)); 119087503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen else 119187503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen return isExactlyValue(APFloat((float)V)); 119287503a63d5756f1836f66f4c9723ec0ea30ec3caDale Johannesen } 1193e6c1742914149d44360fbf05a653041a672282afDale Johannesen bool isExactlyValue(const APFloat& V) const; 119463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1195f04afdbb48568ef09f11fd10ac03426101f2dbf8Dale Johannesen bool isValueValidForType(MVT::ValueType VT, const APFloat& Val); 1196f04afdbb48568ef09f11fd10ac03426101f2dbf8Dale Johannesen 119763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantFPSDNode *) { return true; } 119863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1199ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner return N->getOpcode() == ISD::ConstantFP || 1200ac0d7238258defe72b1aad53d7f48201b91df795Chris Lattner N->getOpcode() == ISD::TargetConstantFP; 120163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 120263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 120363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 120463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass GlobalAddressSDNode : public SDNode { 120563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner GlobalValue *TheGlobal; 1206404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng int Offset; 1207c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 120863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 120963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 121061ca74bc3a29b2af2be7e4bd612289da8aae85b5Evan Cheng GlobalAddressSDNode(bool isTarget, const GlobalValue *GA, MVT::ValueType VT, 12112c5c111b6c144b05718404c85b9dfcc76b1619e7Lauro Ramos Venancio int o = 0); 121263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 121363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 121463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner GlobalValue *getGlobal() const { return TheGlobal; } 1215404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng int getOffset() const { return Offset; } 121663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 121763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const GlobalAddressSDNode *) { return true; } 121863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1219f6b184981e429ff03742d66cf7111debd9e2bc61Chris Lattner return N->getOpcode() == ISD::GlobalAddress || 1220b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio N->getOpcode() == ISD::TargetGlobalAddress || 1221b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio N->getOpcode() == ISD::GlobalTLSAddress || 1222b3a0417cad8b625acc3033bd5e24afb9ffd0b084Lauro Ramos Venancio N->getOpcode() == ISD::TargetGlobalTLSAddress; 122363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 122463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 122563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 122663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass FrameIndexSDNode : public SDNode { 122763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int FI; 1228c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 122963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 123063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1231afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner FrameIndexSDNode(int fi, MVT::ValueType VT, bool isTarg) 1232bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(isTarg ? ISD::TargetFrameIndex : ISD::FrameIndex, getSDVTList(VT)), 1233bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner FI(fi) { 123463e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 123563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 123663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 123763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner int getIndex() const { return FI; } 123863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 123963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const FrameIndexSDNode *) { return true; } 124063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1241afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner return N->getOpcode() == ISD::FrameIndex || 1242afb2dd43de61f4585e75d1f3ab93a9ac4b3b7592Chris Lattner N->getOpcode() == ISD::TargetFrameIndex; 124363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 124463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 124563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 124637efe6764568a3829fee26aba532283131d1a104Nate Begemanclass JumpTableSDNode : public SDNode { 124737efe6764568a3829fee26aba532283131d1a104Nate Begeman int JTI; 1248c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 124937efe6764568a3829fee26aba532283131d1a104Nate Begemanprotected: 125037efe6764568a3829fee26aba532283131d1a104Nate Begeman friend class SelectionDAG; 125137efe6764568a3829fee26aba532283131d1a104Nate Begeman JumpTableSDNode(int jti, MVT::ValueType VT, bool isTarg) 1252bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(isTarg ? ISD::TargetJumpTable : ISD::JumpTable, getSDVTList(VT)), 1253bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner JTI(jti) { 125463e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 125537efe6764568a3829fee26aba532283131d1a104Nate Begemanpublic: 125637efe6764568a3829fee26aba532283131d1a104Nate Begeman 125737efe6764568a3829fee26aba532283131d1a104Nate Begeman int getIndex() const { return JTI; } 125837efe6764568a3829fee26aba532283131d1a104Nate Begeman 125937efe6764568a3829fee26aba532283131d1a104Nate Begeman static bool classof(const JumpTableSDNode *) { return true; } 126037efe6764568a3829fee26aba532283131d1a104Nate Begeman static bool classof(const SDNode *N) { 126137efe6764568a3829fee26aba532283131d1a104Nate Begeman return N->getOpcode() == ISD::JumpTable || 126237efe6764568a3829fee26aba532283131d1a104Nate Begeman N->getOpcode() == ISD::TargetJumpTable; 126337efe6764568a3829fee26aba532283131d1a104Nate Begeman } 126437efe6764568a3829fee26aba532283131d1a104Nate Begeman}; 126537efe6764568a3829fee26aba532283131d1a104Nate Begeman 126663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ConstantPoolSDNode : public SDNode { 1267d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng union { 1268d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Constant *ConstVal; 1269d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng MachineConstantPoolValue *MachineCPVal; 1270d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } Val; 1271baf4500b3ab128c78932e36f96086c0487c8c7d1Evan Cheng int Offset; // It's a MachineConstantPoolValue if top bit is set. 1272b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng unsigned Alignment; 1273c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 127463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 127563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1276404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng ConstantPoolSDNode(bool isTarget, Constant *c, MVT::ValueType VT, 1277404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng int o=0) 1278ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, 1279bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Offset(o), Alignment(0) { 1280d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert((int)Offset >= 0 && "Offset is too large"); 1281d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Val.ConstVal = c; 1282d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1283404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng ConstantPoolSDNode(bool isTarget, Constant *c, MVT::ValueType VT, int o, 1284404cb4f9fa2df50eac4d84b8a77c84a92188c6d5Evan Cheng unsigned Align) 1285ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, 1286bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Offset(o), Alignment(Align) { 1287d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert((int)Offset >= 0 && "Offset is too large"); 1288d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Val.ConstVal = c; 1289d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1290d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng ConstantPoolSDNode(bool isTarget, MachineConstantPoolValue *v, 1291d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng MVT::ValueType VT, int o=0) 1292ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, 1293bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Offset(o), Alignment(0) { 1294d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert((int)Offset >= 0 && "Offset is too large"); 1295d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Val.MachineCPVal = v; 1296d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Offset |= 1 << (sizeof(unsigned)*8-1); 1297d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1298d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng ConstantPoolSDNode(bool isTarget, MachineConstantPoolValue *v, 1299d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng MVT::ValueType VT, int o, unsigned Align) 1300ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool, 1301bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Offset(o), Alignment(Align) { 1302d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert((int)Offset >= 0 && "Offset is too large"); 1303d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Val.MachineCPVal = v; 1304d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Offset |= 1 << (sizeof(unsigned)*8-1); 1305d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 130663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 130763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1308d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng bool isMachineConstantPoolEntry() const { 1309d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng return (int)Offset < 0; 1310d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1311d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 1312d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng Constant *getConstVal() const { 1313d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert(!isMachineConstantPoolEntry() && "Wrong constantpool type"); 1314d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng return Val.ConstVal; 1315d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1316d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 1317d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng MachineConstantPoolValue *getMachineCPVal() const { 1318d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng assert(isMachineConstantPoolEntry() && "Wrong constantpool type"); 1319d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng return Val.MachineCPVal; 1320d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng } 1321d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 1322baf4500b3ab128c78932e36f96086c0487c8c7d1Evan Cheng int getOffset() const { 1323baf4500b3ab128c78932e36f96086c0487c8c7d1Evan Cheng return Offset & ~(1 << (sizeof(unsigned)*8-1)); 1324baf4500b3ab128c78932e36f96086c0487c8c7d1Evan Cheng } 1325ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner 1326ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner // Return the alignment of this constant pool object, which is either 0 (for 1327ef3640aded552279f65bd6d18633e15ffb245157Chris Lattner // default alignment) or log2 of the desired value. 1328b8973bd8f50d7321635e1e07b81a880a0828d185Evan Cheng unsigned getAlignment() const { return Alignment; } 132963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1330d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng const Type *getType() const; 1331d6594ae54cfde4db4d30272192645c0a45fb9902Evan Cheng 133263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ConstantPoolSDNode *) { return true; } 133363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1334aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner return N->getOpcode() == ISD::ConstantPool || 1335aaaaf79d4aaa172c2f2ae0e327bbae523a045bf5Chris Lattner N->getOpcode() == ISD::TargetConstantPool; 133663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 133763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 133863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 133963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass BasicBlockSDNode : public SDNode { 134063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MachineBasicBlock *MBB; 1341c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 134263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 134363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1344423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit BasicBlockSDNode(MachineBasicBlock *mbb) 1345bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::BasicBlock, getSDVTList(MVT::Other)), MBB(mbb) { 134663e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 134763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 134863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 134963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner MachineBasicBlock *getBasicBlock() const { return MBB; } 135063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 135163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const BasicBlockSDNode *) { return true; } 135263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 135363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner return N->getOpcode() == ISD::BasicBlock; 135463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 135563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 135663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 13572d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthclass SrcValueSDNode : public SDNode { 13582d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth const Value *V; 1359691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth int offset; 1360c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 13612d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthprotected: 13622d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth friend class SelectionDAG; 1363691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth SrcValueSDNode(const Value* v, int o) 1364bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::SRCVALUE, getSDVTList(MVT::Other)), V(v), offset(o) { 136563e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 13662d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 13672d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharthpublic: 13682d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth const Value *getValue() const { return V; } 1369691ef2ba066dda14ae4ac0ad645054fbc967785aAndrew Lenharth int getOffset() const { return offset; } 13702d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 13712d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth static bool classof(const SrcValueSDNode *) { return true; } 13722d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth static bool classof(const SDNode *N) { 13732d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth return N->getOpcode() == ISD::SRCVALUE; 13742d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth } 13752d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth}; 13762d86ea21dd76647cb054fd5d27df9e49efc672b6Andrew Lenharth 137763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1378d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattnerclass RegisterSDNode : public SDNode { 137963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned Reg; 1380c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 138163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 138263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1383d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner RegisterSDNode(unsigned reg, MVT::ValueType VT) 1384bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::Register, getSDVTList(VT)), Reg(reg) { 138563e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 138663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 138763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 138863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner unsigned getReg() const { return Reg; } 138963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 1390d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner static bool classof(const RegisterSDNode *) { return true; } 139163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 1392d5d0f9bd20d9df07d6b4d41b7e8ed6d33b6a649dChris Lattner return N->getOpcode() == ISD::Register; 139363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 139463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 139563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 139663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerclass ExternalSymbolSDNode : public SDNode { 139763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const char *Symbol; 1398c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 139963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 140063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 14012a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth ExternalSymbolSDNode(bool isTarget, const char *Sym, MVT::ValueType VT) 1402ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner : SDNode(isTarget ? ISD::TargetExternalSymbol : ISD::ExternalSymbol, 1403bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner getSDVTList(VT)), Symbol(Sym) { 140463e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 140563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 140663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 140763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner const char *getSymbol() const { return Symbol; } 140863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 140963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const ExternalSymbolSDNode *) { return true; } 141063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 14112a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth return N->getOpcode() == ISD::ExternalSymbol || 14122a2de66db2093a5bc1fd620d1b6ae7992a552b24Andrew Lenharth N->getOpcode() == ISD::TargetExternalSymbol; 141363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 141463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 141563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 14167cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattnerclass CondCodeSDNode : public SDNode { 141763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner ISD::CondCode Condition; 1418c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 141963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerprotected: 142063b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner friend class SelectionDAG; 1421423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit CondCodeSDNode(ISD::CondCode Cond) 1422bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::CONDCODE, getSDVTList(MVT::Other)), Condition(Cond) { 142363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 142463b570d49b7bf205d48749aae1467ef96152ea7aChris Lattnerpublic: 142563b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 14267cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner ISD::CondCode get() const { return Condition; } 142763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 14287cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner static bool classof(const CondCodeSDNode *) { return true; } 142963b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner static bool classof(const SDNode *N) { 14307cf7e3f33f25544d08492d47cc8a1cbba25dc8d7Chris Lattner return N->getOpcode() == ISD::CONDCODE; 143163b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner } 143263b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner}; 143363b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 143415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner/// VTSDNode - This class is used to represent MVT::ValueType's, which are used 143515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner/// to parameterize some operations. 143615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerclass VTSDNode : public SDNode { 143715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner MVT::ValueType ValueType; 1438c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 143915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerprotected: 144015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner friend class SelectionDAG; 1441423c2260f95883f7c84ac962e58ac66c3a11efacDan Gohman explicit VTSDNode(MVT::ValueType VT) 1442bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::VALUETYPE, getSDVTList(MVT::Other)), ValueType(VT) { 144363e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner } 144415e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattnerpublic: 144515e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 144615e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner MVT::ValueType getVT() const { return ValueType; } 144715e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 144815e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner static bool classof(const VTSDNode *) { return true; } 144915e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner static bool classof(const SDNode *N) { 145015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner return N->getOpcode() == ISD::VALUETYPE; 145115e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner } 145215e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner}; 145315e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 145424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng/// LoadSDNode - This class is used to represent ISD::LOAD nodes. 145524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng/// 145624446e253a17720f6462288255ab5ebd13b8491fEvan Chengclass LoadSDNode : public SDNode { 1457c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 1458bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner SDOperand Ops[3]; 1459bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 146081c384578828dde08f63a4f030f4860a92391cddEvan Cheng // AddrMode - unindexed, pre-indexed, post-indexed. 1461144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng ISD::MemIndexedMode AddrMode; 146281c384578828dde08f63a4f030f4860a92391cddEvan Cheng 146381c384578828dde08f63a4f030f4860a92391cddEvan Cheng // ExtType - non-ext, anyext, sext, zext. 146481c384578828dde08f63a4f030f4860a92391cddEvan Cheng ISD::LoadExtType ExtType; 146581c384578828dde08f63a4f030f4860a92391cddEvan Cheng 14662e49f090f9656af7d5ed4d5c4e9fa26af59c7233Evan Cheng // LoadedVT - VT of loaded value before extension. 14672e49f090f9656af7d5ed4d5c4e9fa26af59c7233Evan Cheng MVT::ValueType LoadedVT; 146881c384578828dde08f63a4f030f4860a92391cddEvan Cheng 146981c384578828dde08f63a4f030f4860a92391cddEvan Cheng // SrcValue - Memory location for alias analysis. 147024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng const Value *SrcValue; 147181c384578828dde08f63a4f030f4860a92391cddEvan Cheng 147281c384578828dde08f63a4f030f4860a92391cddEvan Cheng // SVOffset - Memory location offset. 147324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng int SVOffset; 147481c384578828dde08f63a4f030f4860a92391cddEvan Cheng 147581c384578828dde08f63a4f030f4860a92391cddEvan Cheng // Alignment - Alignment of memory location in bytes. 147624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng unsigned Alignment; 147781c384578828dde08f63a4f030f4860a92391cddEvan Cheng 147881c384578828dde08f63a4f030f4860a92391cddEvan Cheng // IsVolatile - True if the load is volatile. 147924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng bool IsVolatile; 148024446e253a17720f6462288255ab5ebd13b8491fEvan Chengprotected: 148124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng friend class SelectionDAG; 1482ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner LoadSDNode(SDOperand *ChainPtrOff, SDVTList VTs, 1483144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng ISD::MemIndexedMode AM, ISD::LoadExtType ETy, MVT::ValueType LVT, 148495c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb const Value *SV, int O=0, unsigned Align=0, bool Vol=false) 1485bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::LOAD, VTs), 14862e49f090f9656af7d5ed4d5c4e9fa26af59c7233Evan Cheng AddrMode(AM), ExtType(ETy), LoadedVT(LVT), SrcValue(SV), SVOffset(O), 148724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng Alignment(Align), IsVolatile(Vol) { 1488bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[0] = ChainPtrOff[0]; // Chain 1489bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[1] = ChainPtrOff[1]; // Ptr 1490bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[2] = ChainPtrOff[2]; // Off 1491bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner InitOperands(Ops, 3); 149295c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb assert(Align != 0 && "Loads should have non-zero aligment"); 149363e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner assert((getOffset().getOpcode() == ISD::UNDEF || 149463e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner AddrMode != ISD::UNINDEXED) && 14958862ef148100070b7bf28beead3951464250c926Evan Cheng "Only indexed load has a non-undef offset operand"); 149624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng } 149724446e253a17720f6462288255ab5ebd13b8491fEvan Chengpublic: 149824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 149981c384578828dde08f63a4f030f4860a92391cddEvan Cheng const SDOperand getChain() const { return getOperand(0); } 150081c384578828dde08f63a4f030f4860a92391cddEvan Cheng const SDOperand getBasePtr() const { return getOperand(1); } 150181c384578828dde08f63a4f030f4860a92391cddEvan Cheng const SDOperand getOffset() const { return getOperand(2); } 1502144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng ISD::MemIndexedMode getAddressingMode() const { return AddrMode; } 150324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng ISD::LoadExtType getExtensionType() const { return ExtType; } 15042e49f090f9656af7d5ed4d5c4e9fa26af59c7233Evan Cheng MVT::ValueType getLoadedVT() const { return LoadedVT; } 150524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng const Value *getSrcValue() const { return SrcValue; } 150624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng int getSrcValueOffset() const { return SVOffset; } 150724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng unsigned getAlignment() const { return Alignment; } 150824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng bool isVolatile() const { return IsVolatile; } 150924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 151024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng static bool classof(const LoadSDNode *) { return true; } 151124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng static bool classof(const SDNode *N) { 151224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD; 151324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng } 151424446e253a17720f6462288255ab5ebd13b8491fEvan Cheng}; 151524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 151624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng/// StoreSDNode - This class is used to represent ISD::STORE nodes. 151724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng/// 151824446e253a17720f6462288255ab5ebd13b8491fEvan Chengclass StoreSDNode : public SDNode { 1519c76e3c86026b9fa44bfbb0888881b52955078011Chris Lattner virtual void ANCHOR(); // Out-of-line virtual method to give class a home. 1520bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner SDOperand Ops[4]; 1521bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner 152281c384578828dde08f63a4f030f4860a92391cddEvan Cheng // AddrMode - unindexed, pre-indexed, post-indexed. 1523144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng ISD::MemIndexedMode AddrMode; 152481c384578828dde08f63a4f030f4860a92391cddEvan Cheng 15253ec81c0ee73462b7b9acd355b0013827d06ad93cDuncan Sands // IsTruncStore - True if the op does a truncation before store. 152681c384578828dde08f63a4f030f4860a92391cddEvan Cheng bool IsTruncStore; 152781c384578828dde08f63a4f030f4860a92391cddEvan Cheng 15282e49f090f9656af7d5ed4d5c4e9fa26af59c7233Evan Cheng // StoredVT - VT of the value after truncation. 152981c384578828dde08f63a4f030f4860a92391cddEvan Cheng MVT::ValueType StoredVT; 153081c384578828dde08f63a4f030f4860a92391cddEvan Cheng 153181c384578828dde08f63a4f030f4860a92391cddEvan Cheng // SrcValue - Memory location for alias analysis. 153224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng const Value *SrcValue; 153381c384578828dde08f63a4f030f4860a92391cddEvan Cheng 153481c384578828dde08f63a4f030f4860a92391cddEvan Cheng // SVOffset - Memory location offset. 153524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng int SVOffset; 153681c384578828dde08f63a4f030f4860a92391cddEvan Cheng 153781c384578828dde08f63a4f030f4860a92391cddEvan Cheng // Alignment - Alignment of memory location in bytes. 153824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng unsigned Alignment; 153981c384578828dde08f63a4f030f4860a92391cddEvan Cheng 154081c384578828dde08f63a4f030f4860a92391cddEvan Cheng // IsVolatile - True if the store is volatile. 154124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng bool IsVolatile; 154224446e253a17720f6462288255ab5ebd13b8491fEvan Chengprotected: 154324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng friend class SelectionDAG; 1544ab4ed595385d0b9421c0d45c809ec6324cf11f11Chris Lattner StoreSDNode(SDOperand *ChainValuePtrOff, SDVTList VTs, 1545144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng ISD::MemIndexedMode AM, bool isTrunc, MVT::ValueType SVT, 154624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng const Value *SV, int O=0, unsigned Align=0, bool Vol=false) 1547bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner : SDNode(ISD::STORE, VTs), 154824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng AddrMode(AM), IsTruncStore(isTrunc), StoredVT(SVT), SrcValue(SV), 154924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng SVOffset(O), Alignment(Align), IsVolatile(Vol) { 1550bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[0] = ChainValuePtrOff[0]; // Chain 1551bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[1] = ChainValuePtrOff[1]; // Value 1552bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[2] = ChainValuePtrOff[2]; // Ptr 1553bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner Ops[3] = ChainValuePtrOff[3]; // Off 1554bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner InitOperands(Ops, 4); 155595c218a83ecf77590b9dc40c636720772d2b5cd7Christopher Lamb assert(Align != 0 && "Stores should have non-zero aligment"); 155663e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner assert((getOffset().getOpcode() == ISD::UNDEF || 155763e3f14df6cf76f1a12de1153e1114f4b20b15a9Chris Lattner AddrMode != ISD::UNINDEXED) && 15588862ef148100070b7bf28beead3951464250c926Evan Cheng "Only indexed store has a non-undef offset operand"); 155924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng } 156024446e253a17720f6462288255ab5ebd13b8491fEvan Chengpublic: 156124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 156281c384578828dde08f63a4f030f4860a92391cddEvan Cheng const SDOperand getChain() const { return getOperand(0); } 15638b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng const SDOperand getValue() const { return getOperand(1); } 15648b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng const SDOperand getBasePtr() const { return getOperand(2); } 15658b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng const SDOperand getOffset() const { return getOperand(3); } 1566144d8f09e139f691cafadbc17873943ba4c465f3Evan Cheng ISD::MemIndexedMode getAddressingMode() const { return AddrMode; } 156724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng bool isTruncatingStore() const { return IsTruncStore; } 156824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng MVT::ValueType getStoredVT() const { return StoredVT; } 156924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng const Value *getSrcValue() const { return SrcValue; } 157024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng int getSrcValueOffset() const { return SVOffset; } 157124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng unsigned getAlignment() const { return Alignment; } 157224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng bool isVolatile() const { return IsVolatile; } 157324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 15746d0b3295777f0e9e9cce27f3473c19f78e88f700Evan Cheng static bool classof(const StoreSDNode *) { return true; } 157524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng static bool classof(const SDNode *N) { 157624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::STORE; 157724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng } 157824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng}; 157924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 158015e4b01920d6a0ffbe35d3e5aa88a4b42970b6a7Chris Lattner 15811080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnerclass SDNodeIterator : public forward_iterator<SDNode, ptrdiff_t> { 15821080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNode *Node; 15831080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner unsigned Operand; 1584ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 15851080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator(SDNode *N, unsigned Op) : Node(N), Operand(Op) {} 15861080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnerpublic: 15871080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner bool operator==(const SDNodeIterator& x) const { 15881080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return Operand == x.Operand; 15891080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 15901080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner bool operator!=(const SDNodeIterator& x) const { return !operator==(x); } 15911080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 15921080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner const SDNodeIterator &operator=(const SDNodeIterator &I) { 15931080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner assert(I.Node == Node && "Cannot assign iterators to two different nodes!"); 15941080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner Operand = I.Operand; 15951080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return *this; 15961080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 1597ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 15981080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner pointer operator*() const { 15991080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return Node->getOperand(Operand).Val; 16001080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 16011080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner pointer operator->() const { return operator*(); } 1602ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman 16031080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator& operator++() { // Preincrement 16041080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner ++Operand; 16051080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return *this; 16061080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 16071080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner SDNodeIterator operator++(int) { // Postincrement 1608ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman SDNodeIterator tmp = *this; ++*this; return tmp; 16091080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 16101080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 16111080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static SDNodeIterator begin(SDNode *N) { return SDNodeIterator(N, 0); } 16121080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static SDNodeIterator end (SDNode *N) { 16131080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator(N, N->getNumOperands()); 16141080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 16151080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 16161080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner unsigned getOperand() const { return Operand; } 16171080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner const SDNode *getNode() const { return Node; } 16181080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner}; 16191080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 16201080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattnertemplate <> struct GraphTraits<SDNode*> { 16211080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner typedef SDNode NodeType; 16221080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner typedef SDNodeIterator ChildIteratorType; 16231080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner static inline NodeType *getEntryNode(SDNode *N) { return N; } 1624ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman static inline ChildIteratorType child_begin(NodeType *N) { 16251080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator::begin(N); 16261080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 1627ea61c358720aa6c7a159d51658b34276316aa841Misha Brukman static inline ChildIteratorType child_end(NodeType *N) { 16281080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner return SDNodeIterator::end(N); 16291080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner } 16301080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner}; 16311080b9ee534579c67f7c99364cc6fa11edbcd919Chris Lattner 1632b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnertemplate<> 1633b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattnerstruct ilist_traits<SDNode> { 1634b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *getPrev(const SDNode *N) { return N->Prev; } 1635b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *getNext(const SDNode *N) { return N->Next; } 1636b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1637b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void setPrev(SDNode *N, SDNode *Prev) { N->Prev = Prev; } 1638b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void setNext(SDNode *N, SDNode *Next) { N->Next = Next; } 1639b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1640b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static SDNode *createSentinel() { 1641bc2e26241d507ecd6c79598e5175f90852b716b3Chris Lattner return new SDNode(ISD::EntryToken, SDNode::getSDVTList(MVT::Other)); 1642b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner } 1643b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner static void destroySentinel(SDNode *N) { delete N; } 1644b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner //static SDNode *createNode(const SDNode &V) { return new SDNode(V); } 1645b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1646b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1647b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void addNodeToList(SDNode *NTy) {} 1648b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void removeNodeFromList(SDNode *NTy) {} 1649b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner void transferNodesFromList(iplist<SDNode, ilist_traits> &L2, 1650b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner const ilist_iterator<SDNode> &X, 1651b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner const ilist_iterator<SDNode> &Y) {} 1652b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner}; 1653b80e2be8894db9f843f32ebaffb9b7fd6b57d206Chris Lattner 1654c548428c5d7328592f4db6f6cd815af18b3152a3Evan Chengnamespace ISD { 1655186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng /// isNormalLoad - Returns true if the specified node is a non-extending 1656186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng /// and unindexed load. 1657186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng inline bool isNormalLoad(const SDNode *N) { 1658186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng if (N->getOpcode() != ISD::LOAD) 1659186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng return false; 1660186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng const LoadSDNode *Ld = cast<LoadSDNode>(N); 1661186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng return Ld->getExtensionType() == ISD::NON_EXTLOAD && 1662186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng Ld->getAddressingMode() == ISD::UNINDEXED; 1663186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng } 1664186edc8fa13d0e02d3c17563ad2bd78ac5963a67Evan Cheng 166524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// isNON_EXTLoad - Returns true if the specified node is a non-extending 166624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng /// load. 166724446e253a17720f6462288255ab5ebd13b8491fEvan Cheng inline bool isNON_EXTLoad(const SDNode *N) { 166824446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD && 166924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng cast<LoadSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD; 167024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng } 167124446e253a17720f6462288255ab5ebd13b8491fEvan Cheng 1672c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// isEXTLoad - Returns true if the specified node is a EXTLOAD. 1673c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// 1674c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng inline bool isEXTLoad(const SDNode *N) { 167524446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD && 167624446e253a17720f6462288255ab5ebd13b8491fEvan Cheng cast<LoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD; 1677c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng } 1678c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 1679c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// isSEXTLoad - Returns true if the specified node is a SEXTLOAD. 1680c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// 1681c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng inline bool isSEXTLoad(const SDNode *N) { 168224446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD && 168324446e253a17720f6462288255ab5ebd13b8491fEvan Cheng cast<LoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD; 1684c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng } 1685c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 1686c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// isZEXTLoad - Returns true if the specified node is a ZEXTLOAD. 1687c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng /// 1688c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng inline bool isZEXTLoad(const SDNode *N) { 168924446e253a17720f6462288255ab5ebd13b8491fEvan Cheng return N->getOpcode() == ISD::LOAD && 169024446e253a17720f6462288255ab5ebd13b8491fEvan Cheng cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD; 1691c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng } 16928b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 169302c50e4891841c28b2a743731dfc60744bb78879Evan Cheng /// isUNINDEXEDLoad - Returns true if the specified node is a unindexed load. 169402c50e4891841c28b2a743731dfc60744bb78879Evan Cheng /// 169502c50e4891841c28b2a743731dfc60744bb78879Evan Cheng inline bool isUNINDEXEDLoad(const SDNode *N) { 169602c50e4891841c28b2a743731dfc60744bb78879Evan Cheng return N->getOpcode() == ISD::LOAD && 169702c50e4891841c28b2a743731dfc60744bb78879Evan Cheng cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED; 169802c50e4891841c28b2a743731dfc60744bb78879Evan Cheng } 169902c50e4891841c28b2a743731dfc60744bb78879Evan Cheng 17008b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng /// isNON_TRUNCStore - Returns true if the specified node is a non-truncating 17018b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng /// store. 17028b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng inline bool isNON_TRUNCStore(const SDNode *N) { 17038b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng return N->getOpcode() == ISD::STORE && 17048b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng !cast<StoreSDNode>(N)->isTruncatingStore(); 17058b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 17068b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng 17078b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng /// isTRUNCStore - Returns true if the specified node is a truncating 17088b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng /// store. 17098b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng inline bool isTRUNCStore(const SDNode *N) { 17108b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng return N->getOpcode() == ISD::STORE && 17118b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng cast<StoreSDNode>(N)->isTruncatingStore(); 17128b2794aeff151be8cdbd44786c1d0f94f8f2e427Evan Cheng } 1713c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng} 1714c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 1715c548428c5d7328592f4db6f6cd815af18b3152a3Evan Cheng 171663b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner} // end llvm namespace 171763b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner 171863b570d49b7bf205d48749aae1467ef96152ea7aChris Lattner#endif 1719