FastISel.h revision 3df24e667f04a7003342b534310919abc9c87418
1b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman//===-- FastISel.h - Definition of the FastISel class ---------------------===// 2b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// 3b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// The LLVM Compiler Infrastructure 4b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// 5b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// This file is distributed under the University of Illinois Open Source 6b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// License. See LICENSE.TXT for details. 7b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// 8b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman//===----------------------------------------------------------------------===// 9b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// 10b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// This file defines the FastISel class. 11b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman// 12b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman//===----------------------------------------------------------------------===// 13b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 14b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman#ifndef LLVM_CODEGEN_FASTISEL_H 15b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman#define LLVM_CODEGEN_FASTISEL_H 16b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 17b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman#include "llvm/BasicBlock.h" 18b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman#include "llvm/ADT/DenseMap.h" 19b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman#include "llvm/CodeGen/SelectionDAGNodes.h" 20b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 21b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmannamespace llvm { 22b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 2310df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohmanclass ConstantFP; 24b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass MachineBasicBlock; 25b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass MachineFunction; 26bb466331e7e50d03497ce40ee344870236fd9c32Dan Gohmanclass MachineRegisterInfo; 2783785c80968165b30fcdd111ceb2c28d38bcff86Evan Chengclass TargetData; 28b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass TargetInstrInfo; 2983785c80968165b30fcdd111ceb2c28d38bcff86Evan Chengclass TargetLowering; 3022bb31103de3337f0bb74c7bee16d1817d4dca14Dan Gohmanclass TargetMachine; 31b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass TargetRegisterClass; 32b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 3340610241d00e219341ff4b7106c5baff08ad407bDan Gohman/// FastISel - This is a fast-path instruction selection class that 3440610241d00e219341ff4b7106c5baff08ad407bDan Gohman/// generates poor code and doesn't support illegal types or non-trivial 3540610241d00e219341ff4b7106c5baff08ad407bDan Gohman/// lowering, but runs quickly. 36b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass FastISel { 3722bb31103de3337f0bb74c7bee16d1817d4dca14Dan Gohmanprotected: 38b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman MachineBasicBlock *MBB; 393df24e667f04a7003342b534310919abc9c87418Dan Gohman DenseMap<const Value *, unsigned> &ValueMap; 403df24e667f04a7003342b534310919abc9c87418Dan Gohman DenseMap<const BasicBlock *, MachineBasicBlock *> &MBBMap; 41bb466331e7e50d03497ce40ee344870236fd9c32Dan Gohman MachineFunction &MF; 42bb466331e7e50d03497ce40ee344870236fd9c32Dan Gohman MachineRegisterInfo &MRI; 4322bb31103de3337f0bb74c7bee16d1817d4dca14Dan Gohman const TargetMachine &TM; 4483785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng const TargetData &TD; 45bb466331e7e50d03497ce40ee344870236fd9c32Dan Gohman const TargetInstrInfo &TII; 4622bb31103de3337f0bb74c7bee16d1817d4dca14Dan Gohman const TargetLowering &TLI; 47b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 48b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanpublic: 493df24e667f04a7003342b534310919abc9c87418Dan Gohman /// setCurrentBlock - Set the current block, to which generated 503df24e667f04a7003342b534310919abc9c87418Dan Gohman /// machine instructions will be appended. 513df24e667f04a7003342b534310919abc9c87418Dan Gohman /// 523df24e667f04a7003342b534310919abc9c87418Dan Gohman void setCurrentBlock(MachineBasicBlock *mbb) { 533df24e667f04a7003342b534310919abc9c87418Dan Gohman MBB = mbb; 543df24e667f04a7003342b534310919abc9c87418Dan Gohman } 553df24e667f04a7003342b534310919abc9c87418Dan Gohman 563df24e667f04a7003342b534310919abc9c87418Dan Gohman /// SelectInstruction - Do "fast" instruction selection for the given 573df24e667f04a7003342b534310919abc9c87418Dan Gohman /// LLVM IR instruction, and append generated machine instructions to 583df24e667f04a7003342b534310919abc9c87418Dan Gohman /// the current block. Return true if selection was successful. 593df24e667f04a7003342b534310919abc9c87418Dan Gohman /// 603df24e667f04a7003342b534310919abc9c87418Dan Gohman bool SelectInstruction(Instruction *I); 61b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 6299b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// TargetSelectInstruction - This method is called by target-independent 6399b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// code when the normal FastISel process fails to select an instruction. 6499b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// This gives targets a chance to emit code for anything that doesn't 6599b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// fit into FastISel's framework. It returns true if it was successful. 6699b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// 6799b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman virtual bool 683df24e667f04a7003342b534310919abc9c87418Dan Gohman TargetSelectInstruction(Instruction *I) = 0; 693df24e667f04a7003342b534310919abc9c87418Dan Gohman 703df24e667f04a7003342b534310919abc9c87418Dan Gohman /// getRegForValue - Create a virtual register and arrange for it to 713df24e667f04a7003342b534310919abc9c87418Dan Gohman /// be assigned the value for the given LLVM value. 723df24e667f04a7003342b534310919abc9c87418Dan Gohman unsigned getRegForValue(Value *V); 7399b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman 74cc8430f742b0f1e567292c8a776e94fc1c930b2aDan Gohman virtual ~FastISel(); 75cc8430f742b0f1e567292c8a776e94fc1c930b2aDan Gohman 76b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanprotected: 773df24e667f04a7003342b534310919abc9c87418Dan Gohman FastISel(MachineFunction &mf, 783df24e667f04a7003342b534310919abc9c87418Dan Gohman DenseMap<const Value *, unsigned> &vm, 793df24e667f04a7003342b534310919abc9c87418Dan Gohman DenseMap<const BasicBlock *, MachineBasicBlock *> &bm); 80e285a74f7cf9dd3ccf4fe758576cf83301f8a43eDan Gohman 81bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// FastEmit_r - This method is called by target-independent code 82bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// to request that an instruction with the given type and opcode 83bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// be emitted. 84b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman virtual unsigned FastEmit_(MVT::SimpleValueType VT, 850f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 86b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman ISD::NodeType Opcode); 87bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 88bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// FastEmit_r - This method is called by target-independent code 89bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// to request that an instruction with the given type, opcode, and 90bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// register operand be emitted. 91bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 92b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman virtual unsigned FastEmit_r(MVT::SimpleValueType VT, 930f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 94b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman ISD::NodeType Opcode, unsigned Op0); 95bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 96bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// FastEmit_rr - This method is called by target-independent code 97bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// to request that an instruction with the given type, opcode, and 98bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// register operands be emitted. 99bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 100b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman virtual unsigned FastEmit_rr(MVT::SimpleValueType VT, 1010f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 102b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman ISD::NodeType Opcode, 103b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned Op0, unsigned Op1); 104b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 10583785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// FastEmit_ri - This method is called by target-independent code 10683785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// to request that an instruction with the given type, opcode, and 10783785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// register and immediate operands be emitted. 10883785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// 10983785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng virtual unsigned FastEmit_ri(MVT::SimpleValueType VT, 1100f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 11183785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng ISD::NodeType Opcode, 112d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned Op0, uint64_t Imm); 113d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman 11410df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmit_rf - This method is called by target-independent code 11510df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// to request that an instruction with the given type, opcode, and 11610df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// register and floating-point immediate operands be emitted. 11710df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// 11810df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman virtual unsigned FastEmit_rf(MVT::SimpleValueType VT, 11910df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman MVT::SimpleValueType RetVT, 12010df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman ISD::NodeType Opcode, 12110df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned Op0, ConstantFP *FPImm); 12210df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman 123d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmit_rri - This method is called by target-independent code 124d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// to request that an instruction with the given type, opcode, and 125d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// register and immediate operands be emitted. 126d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// 127d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman virtual unsigned FastEmit_rri(MVT::SimpleValueType VT, 1280f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 129d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman ISD::NodeType Opcode, 130d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned Op0, unsigned Op1, uint64_t Imm); 13183785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng 13283785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// FastEmit_ri_ - This method is a wrapper of FastEmit_ri. It first tries 13383785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// to emit an instruction with an immediate operand using FastEmit_ri. 13483785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// If that fails, it materializes the immediate into a register and try 13583785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// FastEmit_rr instead. 13683785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng unsigned FastEmit_ri_(MVT::SimpleValueType VT, 13783785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng ISD::NodeType Opcode, 13883785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng unsigned Op0, uint64_t Imm, 13983785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng MVT::SimpleValueType ImmType); 1406d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson 14110df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmit_rf_ - This method is a wrapper of FastEmit_rf. It first tries 14210df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// to emit an instruction with an immediate operand using FastEmit_rf. 14310df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// If that fails, it materializes the immediate into a register and try 14410df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmit_rr instead. 14510df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned FastEmit_rf_(MVT::SimpleValueType VT, 14610df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman ISD::NodeType Opcode, 14710df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned Op0, ConstantFP *FPImm, 14810df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman MVT::SimpleValueType ImmType); 14910df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman 1506d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// FastEmit_i - This method is called by target-independent code 1516d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// to request that an instruction with the given type, opcode, and 1526d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// immediate operand be emitted. 1536d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson virtual unsigned FastEmit_i(MVT::SimpleValueType VT, 1540f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 1556d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson ISD::NodeType Opcode, 1566d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson uint64_t Imm); 15783785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng 15810df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmit_f - This method is called by target-independent code 15910df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// to request that an instruction with the given type, opcode, and 16010df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// floating-point immediate operand be emitted. 16110df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman virtual unsigned FastEmit_f(MVT::SimpleValueType VT, 16210df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman MVT::SimpleValueType RetVT, 16310df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman ISD::NodeType Opcode, 16410df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman ConstantFP *FPImm); 16510df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman 166bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// FastEmitInst_ - Emit a MachineInstr with no operands and a 167bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// result register in the given register class. 168bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 169b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned FastEmitInst_(unsigned MachineInstOpcode, 170b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman const TargetRegisterClass *RC); 171bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 172d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmitInst_r - Emit a MachineInstr with one register operand 173bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// and a result register in the given register class. 174bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 175b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned FastEmitInst_r(unsigned MachineInstOpcode, 176b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman const TargetRegisterClass *RC, 177b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned Op0); 178bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 179d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmitInst_rr - Emit a MachineInstr with two register operands 180bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// and a result register in the given register class. 181bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 182b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned FastEmitInst_rr(unsigned MachineInstOpcode, 183b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman const TargetRegisterClass *RC, 184b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned Op0, unsigned Op1); 185bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 186d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmitInst_ri - Emit a MachineInstr with two register operands 187d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// and a result register in the given register class. 188d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// 189d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned FastEmitInst_ri(unsigned MachineInstOpcode, 190d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman const TargetRegisterClass *RC, 191d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned Op0, uint64_t Imm); 192d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman 19310df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmitInst_rf - Emit a MachineInstr with two register operands 19410df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// and a result register in the given register class. 19510df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// 19610df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned FastEmitInst_rf(unsigned MachineInstOpcode, 19710df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman const TargetRegisterClass *RC, 19810df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned Op0, ConstantFP *FPImm); 19910df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman 200d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmitInst_rri - Emit a MachineInstr with two register operands, 201d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// an immediate, and a result register in the given register class. 202d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// 203d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned FastEmitInst_rri(unsigned MachineInstOpcode, 204d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman const TargetRegisterClass *RC, 205d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned Op0, unsigned Op1, uint64_t Imm); 2066d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson 2076d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// FastEmitInst_i - Emit a MachineInstr with a single immediate 2086d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// operand, and a result register in the given register class. 2096d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson unsigned FastEmitInst_i(unsigned MachineInstrOpcode, 2106d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson const TargetRegisterClass *RC, 2116d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson uint64_t Imm); 212d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman 2138970f00deff00ffce1f35cf00883357e1582daa1Owen Anderson /// FastEmitInst_extractsubreg - Emit a MachineInstr for an extract_subreg 2148970f00deff00ffce1f35cf00883357e1582daa1Owen Anderson /// from a specified index of a superregister. 21540a468f24909792f000e3ccc1dda7a27b9c34b69Owen Anderson unsigned FastEmitInst_extractsubreg(unsigned Op0, uint32_t Idx); 2168970f00deff00ffce1f35cf00883357e1582daa1Owen Anderson 2173df24e667f04a7003342b534310919abc9c87418Dan Gohman void UpdateValueMap(Instruction* I, unsigned Reg); 218ea09f4f4691a0db65772b54fe8163a48c9dce01dEvan Cheng 219c7f72de3b4ef21828ea4780f0693bf0acd04e1c5Dan Gohman unsigned createResultReg(const TargetRegisterClass *RC); 220c7f72de3b4ef21828ea4780f0693bf0acd04e1c5Dan Gohman 221ea09f4f4691a0db65772b54fe8163a48c9dce01dEvan Chengprivate: 2223df24e667f04a7003342b534310919abc9c87418Dan Gohman bool SelectBinaryOp(Instruction *I, ISD::NodeType ISDOpcode); 223bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 2243df24e667f04a7003342b534310919abc9c87418Dan Gohman bool SelectGetElementPtr(Instruction *I); 225763d89343be210eb62a13318ca0cc9321ce46bfbDan Gohman 2263df24e667f04a7003342b534310919abc9c87418Dan Gohman bool SelectBitCast(Instruction *I); 227d0533c9998d3baf41848ba559a9b2f2c65296d14Owen Anderson 2283df24e667f04a7003342b534310919abc9c87418Dan Gohman bool SelectCast(Instruction *I, ISD::NodeType Opcode); 229b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman}; 230b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 231b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman} 232b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 233b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman#endif 234