SparcISelLowering.h revision 20bd5296cec8d8d597ab9db2aca7346a88e580c8
19ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz//===-- SparcISelLowering.h - Sparc DAG Lowering Interface ------*- C++ -*-===// 29ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz// 39ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz// The LLVM Compiler Infrastructure 49ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz// 5258aab42887fa7a6d29fe862eb883c62deafde0cGreg Choi & Mike Grafton// This file is distributed under the University of Illinois Open Source 622ae9206e660fd187ff79a529452dbe2bab504fdRich Humphrey// License. See LICENSE.TXT for details. 7f99fa781cfd614512c48db52387c825d4f167f31Michael Portuesi// 89ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz//===----------------------------------------------------------------------===// 9fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey// 1022ae9206e660fd187ff79a529452dbe2bab504fdRich Humphrey// This file defines the interfaces that Sparc uses to lower LLVM code into a 1122c22c9aa4ca68c2deac6164edc1d82bc9645310Christian Williams & Phil Goodwin// selection DAG. 1222c22c9aa4ca68c2deac6164edc1d82bc9645310Christian Williams & Phil Goodwin// 139ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz//===----------------------------------------------------------------------===// 1440c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams 1540c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams#ifndef SPARC_ISELLOWERING_H 169ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz#define SPARC_ISELLOWERING_H 179ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz 189ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz#include "llvm/Target/TargetLowering.h" 199ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz#include "Sparc.h" 206cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz 2140c6251719cccc0a84ae99c976d2836b14374ce6Christian Williamsnamespace llvm { 22f99fa781cfd614512c48db52387c825d4f167f31Michael Portuesi namespace SPISD { 23fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey enum { 2437c667d06608e4bebd0f45ffbf1555ce5bd30493Zoodles FIRST_NUMBER = ISD::BUILTIN_OP_END, 258455cc9031f98a53ad469ebe4b9d92511af8b54fRich Humphrey CMPICC, // Compare two GPR operands, set icc. 268455cc9031f98a53ad469ebe4b9d92511af8b54fRich Humphrey CMPFCC, // Compare two FP operands, set fcc. 279677b3a80b929a57a7ee1d4301d5e9ffb51f3182Rich Humphrey BRICC, // Branch to dest on icc condition 289677b3a80b929a57a7ee1d4301d5e9ffb51f3182Rich Humphrey BRFCC, // Branch to dest on fcc condition 299677b3a80b929a57a7ee1d4301d5e9ffb51f3182Rich Humphrey SELECT_ICC, // Select between two values using the current ICC flags. 309677b3a80b929a57a7ee1d4301d5e9ffb51f3182Rich Humphrey SELECT_FCC, // Select between two values using the current FCC flags. 31258aab42887fa7a6d29fe862eb883c62deafde0cGreg Choi & Mike Grafton 323892868c17d4ed48ccf77e25c2cef9bf3b1c82dcMike Mazur & Tyler Schultz Hi, Lo, // Hi/Lo operations, typically on a global address. 333892868c17d4ed48ccf77e25c2cef9bf3b1c82dcMike Mazur & Tyler Schultz 344972836088ee1b2369abd4a668552c6b594f0436Mike Mazur & Tyler Schultz FTOI, // FP to Int within a FP register. 354972836088ee1b2369abd4a668552c6b594f0436Mike Mazur & Tyler Schultz ITOF, // Int to FP within a FP register. 369b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi 376cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz CALL, // A call instruction. 383892868c17d4ed48ccf77e25c2cef9bf3b1c82dcMike Mazur & Tyler Schultz RET_FLAG, // Return with a flag operand. 393892868c17d4ed48ccf77e25c2cef9bf3b1c82dcMike Mazur & Tyler Schultz GLOBAL_BASE_REG, // Global base reg for PIC 409ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz FLUSHW // FLUSH register windows to stack 419ef88bf39bff29cb39dee4d84542c8f5a6178748Tyler Schultz }; 426cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz } 436cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz 446cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz class SparcTargetLowering : public TargetLowering { 456cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz public: 466cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz SparcTargetLowering(TargetMachine &TM); 4740c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; 48e73ede4e90af0ae4f76bdbcd54a170b4bba52b39Tyler Schultz 494972836088ee1b2369abd4a668552c6b594f0436Mike Mazur & Tyler Schultz /// computeMaskedBitsForTargetNode - Determine which of the bits specified 504972836088ee1b2369abd4a668552c6b594f0436Mike Mazur & Tyler Schultz /// in Mask are known to be either zero or one and return them in the 514972836088ee1b2369abd4a668552c6b594f0436Mike Mazur & Tyler Schultz /// KnownZero/KnownOne bitsets. 524972836088ee1b2369abd4a668552c6b594f0436Mike Mazur & Tyler Schultz virtual void computeMaskedBitsForTargetNode(const SDValue Op, 534972836088ee1b2369abd4a668552c6b594f0436Mike Mazur & Tyler Schultz const APInt &Mask, 54e73ede4e90af0ae4f76bdbcd54a170b4bba52b39Tyler Schultz APInt &KnownZero, 554972836088ee1b2369abd4a668552c6b594f0436Mike Mazur & Tyler Schultz APInt &KnownOne, 56e73ede4e90af0ae4f76bdbcd54a170b4bba52b39Tyler Schultz const SelectionDAG &DAG, 57e73ede4e90af0ae4f76bdbcd54a170b4bba52b39Tyler Schultz unsigned Depth = 0) const; 5831811e1435d6c72ee6c324ca49769159e80fcd93Tyler Schultz 5931811e1435d6c72ee6c324ca49769159e80fcd93Tyler Schultz virtual MachineBasicBlock * 6031811e1435d6c72ee6c324ca49769159e80fcd93Tyler Schultz EmitInstrWithCustomInserter(MachineInstr *MI, 6131811e1435d6c72ee6c324ca49769159e80fcd93Tyler Schultz MachineBasicBlock *MBB) const; 6231811e1435d6c72ee6c324ca49769159e80fcd93Tyler Schultz 636cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz virtual const char *getTargetNodeName(unsigned Opcode) const; 646cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz 656cf9d6f657e61d727afc221dd157ae6ca41714baTyler Schultz ConstraintType getConstraintType(const std::string &Constraint) const; 6640c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams std::pair<unsigned, const TargetRegisterClass*> 672da690d2d6881bf346550347b71e6ad0d7755597Farand Koo getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const; 682da690d2d6881bf346550347b71e6ad0d7755597Farand Koo 692da690d2d6881bf346550347b71e6ad0d7755597Farand Koo virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const; 702da690d2d6881bf346550347b71e6ad0d7755597Farand Koo 7140c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams virtual SDValue 72fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey LowerFormalArguments(SDValue Chain, 7340c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams CallingConv::ID CallConv, 74fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey bool isVarArg, 75fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey const SmallVectorImpl<ISD::InputArg> &Ins, 76fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey DebugLoc dl, SelectionDAG &DAG, 77fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey SmallVectorImpl<SDValue> &InVals) const; 7840c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams 79fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey virtual SDValue 8040c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams LowerCall(SDValue Chain, SDValue Callee, 81258aab42887fa7a6d29fe862eb883c62deafde0cGreg Choi & Mike Grafton CallingConv::ID CallConv, bool isVarArg, 82258aab42887fa7a6d29fe862eb883c62deafde0cGreg Choi & Mike Grafton bool &isTailCall, 83258aab42887fa7a6d29fe862eb883c62deafde0cGreg Choi & Mike Grafton const SmallVectorImpl<ISD::OutputArg> &Outs, 84258aab42887fa7a6d29fe862eb883c62deafde0cGreg Choi & Mike Grafton const SmallVectorImpl<SDValue> &OutVals, 85258aab42887fa7a6d29fe862eb883c62deafde0cGreg Choi & Mike Grafton const SmallVectorImpl<ISD::InputArg> &Ins, 86fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey DebugLoc dl, SelectionDAG &DAG, 8740c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams SmallVectorImpl<SDValue> &InVals) const; 88fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey 899b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi virtual SDValue 909b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi LowerReturn(SDValue Chain, 919b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi CallingConv::ID CallConv, bool isVarArg, 929b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi const SmallVectorImpl<ISD::OutputArg> &Outs, 939b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi const SmallVectorImpl<SDValue> &OutVals, 949b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi DebugLoc dl, SelectionDAG &DAG) const; 959b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi 969b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const; 979b01bc1fb0b241eafdbe239f56b95a2690aca727Michael Portuesi SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const; 9840c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams 99fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey unsigned getSRetArgSize(SelectionDAG &DAG, SDValue Callee) const; 100fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey }; 10140c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams} // end namespace llvm 102fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey 10340c6251719cccc0a84ae99c976d2836b14374ce6Christian Williams#endif // SPARC_ISELLOWERING_H 104fbdac5127ba5b6b879408a0a6ae4ac30e2456d8cRich Humphrey