FastISel.h revision 40b189e4e257924d90aaf63bf2e12bc7bbca961a
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; 2595267a1e671efc3c14e916b6978bbb15973b4cdcOwen Andersonclass MachineConstantPool; 26b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass MachineFunction; 27bb466331e7e50d03497ce40ee344870236fd9c32Dan Gohmanclass MachineRegisterInfo; 2883785c80968165b30fcdd111ceb2c28d38bcff86Evan Chengclass TargetData; 29b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass TargetInstrInfo; 3083785c80968165b30fcdd111ceb2c28d38bcff86Evan Chengclass TargetLowering; 3122bb31103de3337f0bb74c7bee16d1817d4dca14Dan Gohmanclass TargetMachine; 32b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass TargetRegisterClass; 33b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 3440610241d00e219341ff4b7106c5baff08ad407bDan Gohman/// FastISel - This is a fast-path instruction selection class that 3540610241d00e219341ff4b7106c5baff08ad407bDan Gohman/// generates poor code and doesn't support illegal types or non-trivial 3640610241d00e219341ff4b7106c5baff08ad407bDan Gohman/// lowering, but runs quickly. 37b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanclass FastISel { 3822bb31103de3337f0bb74c7bee16d1817d4dca14Dan Gohmanprotected: 39b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman MachineBasicBlock *MBB; 40104e4ce1629ea84736691bd1ee7867bdf90e8a2eDan Gohman DenseMap<const Value *, unsigned> LocalValueMap; 413df24e667f04a7003342b534310919abc9c87418Dan Gohman DenseMap<const Value *, unsigned> &ValueMap; 423df24e667f04a7003342b534310919abc9c87418Dan Gohman DenseMap<const BasicBlock *, MachineBasicBlock *> &MBBMap; 43bb466331e7e50d03497ce40ee344870236fd9c32Dan Gohman MachineFunction &MF; 44bb466331e7e50d03497ce40ee344870236fd9c32Dan Gohman MachineRegisterInfo &MRI; 4522bb31103de3337f0bb74c7bee16d1817d4dca14Dan Gohman const TargetMachine &TM; 4683785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng const TargetData &TD; 47bb466331e7e50d03497ce40ee344870236fd9c32Dan Gohman const TargetInstrInfo &TII; 4822bb31103de3337f0bb74c7bee16d1817d4dca14Dan Gohman const TargetLowering &TLI; 49b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 50b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanpublic: 513df24e667f04a7003342b534310919abc9c87418Dan Gohman /// setCurrentBlock - Set the current block, to which generated 523df24e667f04a7003342b534310919abc9c87418Dan Gohman /// machine instructions will be appended. 533df24e667f04a7003342b534310919abc9c87418Dan Gohman /// 543df24e667f04a7003342b534310919abc9c87418Dan Gohman void setCurrentBlock(MachineBasicBlock *mbb) { 553df24e667f04a7003342b534310919abc9c87418Dan Gohman MBB = mbb; 563df24e667f04a7003342b534310919abc9c87418Dan Gohman } 573df24e667f04a7003342b534310919abc9c87418Dan Gohman 583df24e667f04a7003342b534310919abc9c87418Dan Gohman /// SelectInstruction - Do "fast" instruction selection for the given 593df24e667f04a7003342b534310919abc9c87418Dan Gohman /// LLVM IR instruction, and append generated machine instructions to 603df24e667f04a7003342b534310919abc9c87418Dan Gohman /// the current block. Return true if selection was successful. 613df24e667f04a7003342b534310919abc9c87418Dan Gohman /// 623df24e667f04a7003342b534310919abc9c87418Dan Gohman bool SelectInstruction(Instruction *I); 63b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 6440b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman /// SelectInstruction - Do "fast" instruction selection for the given 6540b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman /// LLVM IR operator (Instruction or ConstantExpr), and append 6640b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman /// generated machine instructions to the current block. Return true 6740b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman /// if selection was successful. 6840b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman /// 6940b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman bool SelectOperator(User *I, unsigned Opcode); 7040b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman 7199b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// TargetSelectInstruction - This method is called by target-independent 7299b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// code when the normal FastISel process fails to select an instruction. 7399b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// This gives targets a chance to emit code for anything that doesn't 7499b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// fit into FastISel's framework. It returns true if it was successful. 7599b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman /// 7699b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman virtual bool 773df24e667f04a7003342b534310919abc9c87418Dan Gohman TargetSelectInstruction(Instruction *I) = 0; 783df24e667f04a7003342b534310919abc9c87418Dan Gohman 793df24e667f04a7003342b534310919abc9c87418Dan Gohman /// getRegForValue - Create a virtual register and arrange for it to 803df24e667f04a7003342b534310919abc9c87418Dan Gohman /// be assigned the value for the given LLVM value. 813df24e667f04a7003342b534310919abc9c87418Dan Gohman unsigned getRegForValue(Value *V); 8299b218218c0ca3ebfdd568ddfeafa07842e9d69dDan Gohman 83cc8430f742b0f1e567292c8a776e94fc1c930b2aDan Gohman virtual ~FastISel(); 84cc8430f742b0f1e567292c8a776e94fc1c930b2aDan Gohman 85b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohmanprotected: 863df24e667f04a7003342b534310919abc9c87418Dan Gohman FastISel(MachineFunction &mf, 873df24e667f04a7003342b534310919abc9c87418Dan Gohman DenseMap<const Value *, unsigned> &vm, 883df24e667f04a7003342b534310919abc9c87418Dan Gohman DenseMap<const BasicBlock *, MachineBasicBlock *> &bm); 89e285a74f7cf9dd3ccf4fe758576cf83301f8a43eDan Gohman 90bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// FastEmit_r - This method is called by target-independent code 91bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// to request that an instruction with the given type and opcode 92bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// be emitted. 93b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman virtual unsigned FastEmit_(MVT::SimpleValueType VT, 940f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 95b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman ISD::NodeType Opcode); 96bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 97bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// FastEmit_r - This method is called by target-independent code 98bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// to request that an instruction with the given type, opcode, and 99bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// register operand be emitted. 100bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 101b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman virtual unsigned FastEmit_r(MVT::SimpleValueType VT, 1020f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 103b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman ISD::NodeType Opcode, unsigned Op0); 104bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 105bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// FastEmit_rr - This method is called by target-independent code 106bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// to request that an instruction with the given type, opcode, and 107bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// register operands be emitted. 108bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 109b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman virtual unsigned FastEmit_rr(MVT::SimpleValueType VT, 1100f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 111b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman ISD::NodeType Opcode, 112b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned Op0, unsigned Op1); 113b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 11483785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// FastEmit_ri - This method is called by target-independent code 11583785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// to request that an instruction with the given type, opcode, and 11683785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// register and immediate operands be emitted. 11783785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// 11883785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng virtual unsigned FastEmit_ri(MVT::SimpleValueType VT, 1190f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 12083785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng ISD::NodeType Opcode, 121d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned Op0, uint64_t Imm); 122d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman 12310df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmit_rf - This method is called by target-independent code 12410df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// to request that an instruction with the given type, opcode, and 12510df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// register and floating-point immediate operands be emitted. 12610df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// 12710df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman virtual unsigned FastEmit_rf(MVT::SimpleValueType VT, 12810df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman MVT::SimpleValueType RetVT, 12910df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman ISD::NodeType Opcode, 13010df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned Op0, ConstantFP *FPImm); 13110df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman 132d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmit_rri - This method is called by target-independent code 133d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// to request that an instruction with the given type, opcode, and 134d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// register and immediate operands be emitted. 135d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// 136d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman virtual unsigned FastEmit_rri(MVT::SimpleValueType VT, 1370f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 138d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman ISD::NodeType Opcode, 139d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned Op0, unsigned Op1, uint64_t Imm); 14083785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng 14183785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// FastEmit_ri_ - This method is a wrapper of FastEmit_ri. It first tries 14283785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// to emit an instruction with an immediate operand using FastEmit_ri. 14383785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// If that fails, it materializes the immediate into a register and try 14483785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng /// FastEmit_rr instead. 14583785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng unsigned FastEmit_ri_(MVT::SimpleValueType VT, 14683785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng ISD::NodeType Opcode, 14783785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng unsigned Op0, uint64_t Imm, 14883785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng MVT::SimpleValueType ImmType); 1496d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson 15010df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmit_rf_ - This method is a wrapper of FastEmit_rf. It first tries 15110df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// to emit an instruction with an immediate operand using FastEmit_rf. 15210df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// If that fails, it materializes the immediate into a register and try 15310df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmit_rr instead. 15410df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned FastEmit_rf_(MVT::SimpleValueType VT, 15510df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman ISD::NodeType Opcode, 15610df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned Op0, ConstantFP *FPImm, 15710df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman MVT::SimpleValueType ImmType); 15810df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman 1596d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// FastEmit_i - This method is called by target-independent code 1606d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// to request that an instruction with the given type, opcode, and 1616d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// immediate operand be emitted. 1626d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson virtual unsigned FastEmit_i(MVT::SimpleValueType VT, 1630f84e4e31009eecf2dfcbe6113b65d0919f30254Owen Anderson MVT::SimpleValueType RetVT, 1646d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson ISD::NodeType Opcode, 1656d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson uint64_t Imm); 16683785c80968165b30fcdd111ceb2c28d38bcff86Evan Cheng 16710df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmit_f - This method is called by target-independent code 16810df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// to request that an instruction with the given type, opcode, and 16910df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// floating-point immediate operand be emitted. 17010df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman virtual unsigned FastEmit_f(MVT::SimpleValueType VT, 17110df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman MVT::SimpleValueType RetVT, 17210df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman ISD::NodeType Opcode, 17310df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman ConstantFP *FPImm); 17410df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman 175bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// FastEmitInst_ - Emit a MachineInstr with no operands and a 176bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// result register in the given register class. 177bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 178b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned FastEmitInst_(unsigned MachineInstOpcode, 179b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman const TargetRegisterClass *RC); 180bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 181d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmitInst_r - Emit a MachineInstr with one register operand 182bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// and a result register in the given register class. 183bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 184b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned FastEmitInst_r(unsigned MachineInstOpcode, 185b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman const TargetRegisterClass *RC, 186b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned Op0); 187bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 188d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmitInst_rr - Emit a MachineInstr with two register operands 189bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// and a result register in the given register class. 190bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman /// 191b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned FastEmitInst_rr(unsigned MachineInstOpcode, 192b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman const TargetRegisterClass *RC, 193b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman unsigned Op0, unsigned Op1); 194bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 195d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmitInst_ri - Emit a MachineInstr with two register operands 196d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// and a result register in the given register class. 197d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// 198d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned FastEmitInst_ri(unsigned MachineInstOpcode, 199d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman const TargetRegisterClass *RC, 200d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned Op0, uint64_t Imm); 201d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman 20210df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// FastEmitInst_rf - Emit a MachineInstr with two register operands 20310df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// and a result register in the given register class. 20410df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman /// 20510df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned FastEmitInst_rf(unsigned MachineInstOpcode, 20610df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman const TargetRegisterClass *RC, 20710df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman unsigned Op0, ConstantFP *FPImm); 20810df0fa73e396bbc93a8940e8b53827390c54d10Dan Gohman 209d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// FastEmitInst_rri - Emit a MachineInstr with two register operands, 210d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// an immediate, and a result register in the given register class. 211d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman /// 212d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned FastEmitInst_rri(unsigned MachineInstOpcode, 213d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman const TargetRegisterClass *RC, 214d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman unsigned Op0, unsigned Op1, uint64_t Imm); 2156d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson 2166d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// FastEmitInst_i - Emit a MachineInstr with a single immediate 2176d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson /// operand, and a result register in the given register class. 2186d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson unsigned FastEmitInst_i(unsigned MachineInstrOpcode, 2196d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson const TargetRegisterClass *RC, 2206d0c25ec3a7ca822e68f73a4481eee43eb5c9485Owen Anderson uint64_t Imm); 221d5fe57d2f980c6bd1a61450f99c254a76d0f1683Dan Gohman 2228970f00deff00ffce1f35cf00883357e1582daa1Owen Anderson /// FastEmitInst_extractsubreg - Emit a MachineInstr for an extract_subreg 2238970f00deff00ffce1f35cf00883357e1582daa1Owen Anderson /// from a specified index of a superregister. 22440a468f24909792f000e3ccc1dda7a27b9c34b69Owen Anderson unsigned FastEmitInst_extractsubreg(unsigned Op0, uint32_t Idx); 2258970f00deff00ffce1f35cf00883357e1582daa1Owen Anderson 22695267a1e671efc3c14e916b6978bbb15973b4cdcOwen Anderson void UpdateValueMap(Value* I, unsigned Reg); 227ea09f4f4691a0db65772b54fe8163a48c9dce01dEvan Cheng 228c7f72de3b4ef21828ea4780f0693bf0acd04e1c5Dan Gohman unsigned createResultReg(const TargetRegisterClass *RC); 22995267a1e671efc3c14e916b6978bbb15973b4cdcOwen Anderson 23095267a1e671efc3c14e916b6978bbb15973b4cdcOwen Anderson virtual unsigned TargetSelectConstantPoolLoad(Constant* C, 23195267a1e671efc3c14e916b6978bbb15973b4cdcOwen Anderson MachineConstantPool* MCP) { 23295267a1e671efc3c14e916b6978bbb15973b4cdcOwen Anderson return 0; 23395267a1e671efc3c14e916b6978bbb15973b4cdcOwen Anderson } 234c7f72de3b4ef21828ea4780f0693bf0acd04e1c5Dan Gohman 235ea09f4f4691a0db65772b54fe8163a48c9dce01dEvan Chengprivate: 23640b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman bool SelectBinaryOp(User *I, ISD::NodeType ISDOpcode); 237bdedd4477331b3b0d28d74658baf05f675f2d195Dan Gohman 23840b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman bool SelectGetElementPtr(User *I); 239763d89343be210eb62a13318ca0cc9321ce46bfbDan Gohman 24040b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman bool SelectBitCast(User *I); 241d0533c9998d3baf41848ba559a9b2f2c65296d14Owen Anderson 24240b189e4e257924d90aaf63bf2e12bc7bbca961aDan Gohman bool SelectCast(User *I, ISD::NodeType Opcode); 243b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman}; 244b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 245b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman} 246b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman 247b0cf29c5cfff797284b3660dc233e135feb65d9aDan Gohman#endif 248