1d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner//===-- SparcISelLowering.h - Sparc DAG Lowering Interface ------*- C++ -*-===// 2d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// 3d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// The LLVM Compiler Infrastructure 4d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// 5d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// This file is distributed under the University of Illinois Open Source 6d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// License. See LICENSE.TXT for details. 7d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// 8d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner//===----------------------------------------------------------------------===// 9d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// 10d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// This file defines the interfaces that Sparc uses to lower LLVM code into a 11d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// selection DAG. 12d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner// 13d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner//===----------------------------------------------------------------------===// 14d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner 15d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner#ifndef SPARC_ISELLOWERING_H 16d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner#define SPARC_ISELLOWERING_H 17d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner 18d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner#include "Sparc.h" 1979aa3417eb6f58d668aadfedf075240a41d35a26Craig Topper#include "llvm/Target/TargetLowering.h" 20d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner 21d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattnernamespace llvm { 22fcb25e60f514e4dbceecef73ac229c61d6202ed2Jakob Stoklund Olesen class SparcSubtarget; 23fcb25e60f514e4dbceecef73ac229c61d6202ed2Jakob Stoklund Olesen 24d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner namespace SPISD { 25d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner enum { 260ba2bcfcc3149a25d08aa8aa00fb6c34a4e25bddDan Gohman FIRST_NUMBER = ISD::BUILTIN_OP_END, 278534e9998c53efae49e4555ba394f39808fb83e0Jakob Stoklund Olesen CMPICC, // Compare two GPR operands, set icc+xcc. 28d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner CMPFCC, // Compare two FP operands, set fcc. 29d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner BRICC, // Branch to dest on icc condition 308534e9998c53efae49e4555ba394f39808fb83e0Jakob Stoklund Olesen BRXCC, // Branch to dest on xcc condition (64-bit only). 31d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner BRFCC, // Branch to dest on fcc condition 32d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner SELECT_ICC, // Select between two values using the current ICC flags. 330e164884423e9f0f22670015a428946ebf178545Jakob Stoklund Olesen SELECT_XCC, // Select between two values using the current XCC flags. 34d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner SELECT_FCC, // Select between two values using the current FCC flags. 350eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov 36d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner Hi, Lo, // Hi/Lo operations, typically on a global address. 370eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov 38d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner FTOI, // FP to Int within a FP register. 39d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner ITOF, // Int to FP within a FP register. 400eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov 41d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner CALL, // A call instruction. 42db486a6d5311944f61b92db9f6074944dbbdb242Chris Lattner RET_FLAG, // Return with a flag operand. 43860b64cb1efba110bf81bcc243a6fbaae4c655a4Venkatraman Govindaraju GLOBAL_BASE_REG, // Global base reg for PIC 44fc3faa75cbadd8a1020941ec85adfda1d2f49688Venkatraman Govindaraju FLUSHW // FLUSH register windows to stack 45d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner }; 46d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner } 470eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov 48d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner class SparcTargetLowering : public TargetLowering { 49fcb25e60f514e4dbceecef73ac229c61d6202ed2Jakob Stoklund Olesen const SparcSubtarget *Subtarget; 50d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner public: 51d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner SparcTargetLowering(TargetMachine &TM); 52d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; 530eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov 540eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov /// computeMaskedBitsForTargetNode - Determine which of the bits specified 550eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov /// in Mask are known to be either zero or one and return them in the 56d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner /// KnownZero/KnownOne bitsets. 57475871a144eb604ddaf37503397ba0941442e5fbDan Gohman virtual void computeMaskedBitsForTargetNode(const SDValue Op, 580eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov APInt &KnownZero, 59d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner APInt &KnownOne, 60d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner const SelectionDAG &DAG, 61d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner unsigned Depth = 0) const; 620eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov 63af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman virtual MachineBasicBlock * 64af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman EmitInstrWithCustomInserter(MachineInstr *MI, 65af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman MachineBasicBlock *MBB) const; 660eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov 67d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner virtual const char *getTargetNodeName(unsigned Opcode) const; 680eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov 690eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov ConstraintType getConstraintType(const std::string &Constraint) const; 700eefda1335f5e86f95dbb58352321a43237e1089Anton Korobeynikov std::pair<unsigned, const TargetRegisterClass*> 715b3fca50a08865f0db55fc92ad1c037a04e12177Chad Rosier getRegForInlineAsmConstraint(const std::string &Constraint, MVT VT) const; 726520e20e4fb31f2e65e25c38b372b19d33a83df4Dan Gohman 736520e20e4fb31f2e65e25c38b372b19d33a83df4Dan Gohman virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const; 74d9f88da7b329c54ccb0d2ebd3b3a4b0e4b1e2b06Jakob Stoklund Olesen virtual MVT getScalarShiftAmountTy(EVT LHSTy) const { return MVT::i32; } 7520c568f366be211323eeaf0e45ef053278ec9ddcBill Wendling 7698ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 7798ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman LowerFormalArguments(SDValue Chain, 7865c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, 7998ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman bool isVarArg, 8098ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::InputArg> &Ins, 81ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDLoc dl, SelectionDAG &DAG, 82d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SmallVectorImpl<SDValue> &InVals) const; 83f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen SDValue LowerFormalArguments_32(SDValue Chain, 84f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen CallingConv::ID CallConv, 85f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen bool isVarArg, 86f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen const SmallVectorImpl<ISD::InputArg> &Ins, 87ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDLoc dl, SelectionDAG &DAG, 88f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen SmallVectorImpl<SDValue> &InVals) const; 89f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen SDValue LowerFormalArguments_64(SDValue Chain, 90f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen CallingConv::ID CallConv, 91f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen bool isVarArg, 92f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen const SmallVectorImpl<ISD::InputArg> &Ins, 93ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDLoc dl, SelectionDAG &DAG, 94f37812e906a3abbdb8353e2eb9e8223ff9036b68Jakob Stoklund Olesen SmallVectorImpl<SDValue> &InVals) const; 9598ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 9698ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 97d2ea0e10cbd158c93fb870cdd03001b9cd1156b8Justin Holewinski LowerCall(TargetLowering::CallLoweringInfo &CLI, 98d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SmallVectorImpl<SDValue> &InVals) const; 9918fdb398ea94c7ddee40bec49f63491922c5b110Jakob Stoklund Olesen SDValue LowerCall_32(TargetLowering::CallLoweringInfo &CLI, 10018fdb398ea94c7ddee40bec49f63491922c5b110Jakob Stoklund Olesen SmallVectorImpl<SDValue> &InVals) const; 10118fdb398ea94c7ddee40bec49f63491922c5b110Jakob Stoklund Olesen SDValue LowerCall_64(TargetLowering::CallLoweringInfo &CLI, 10218fdb398ea94c7ddee40bec49f63491922c5b110Jakob Stoklund Olesen SmallVectorImpl<SDValue> &InVals) const; 10398ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 10498ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 10598ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman LowerReturn(SDValue Chain, 10665c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 10798ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::OutputArg> &Outs, 108c9403659a98bf6487ab6fbf40b81628b5695c02eDan Gohman const SmallVectorImpl<SDValue> &OutVals, 109ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDLoc dl, SelectionDAG &DAG) const; 11053d4bcf35e7bc362e9340085264c2f4acd3c912bJakob Stoklund Olesen SDValue LowerReturn_32(SDValue Chain, 11153d4bcf35e7bc362e9340085264c2f4acd3c912bJakob Stoklund Olesen CallingConv::ID CallConv, bool IsVarArg, 11253d4bcf35e7bc362e9340085264c2f4acd3c912bJakob Stoklund Olesen const SmallVectorImpl<ISD::OutputArg> &Outs, 11353d4bcf35e7bc362e9340085264c2f4acd3c912bJakob Stoklund Olesen const SmallVectorImpl<SDValue> &OutVals, 114ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDLoc DL, SelectionDAG &DAG) const; 11553d4bcf35e7bc362e9340085264c2f4acd3c912bJakob Stoklund Olesen SDValue LowerReturn_64(SDValue Chain, 11653d4bcf35e7bc362e9340085264c2f4acd3c912bJakob Stoklund Olesen CallingConv::ID CallConv, bool IsVarArg, 11753d4bcf35e7bc362e9340085264c2f4acd3c912bJakob Stoklund Olesen const SmallVectorImpl<ISD::OutputArg> &Outs, 11853d4bcf35e7bc362e9340085264c2f4acd3c912bJakob Stoklund Olesen const SmallVectorImpl<SDValue> &OutVals, 119ac6d9bec671252dd1e596fa71180ff6b39d06b5dAndrew Trick SDLoc DL, SelectionDAG &DAG) const; 120db486a6d5311944f61b92db9f6074944dbbdb242Chris Lattner 121d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const; 122d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const; 123e7cbb792c95cb27a9704551579da19ebcaa06cdbVenkatraman Govindaraju SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const; 12458269b973256bf2436cac0f047aa277fe4bc01ddVenkatraman Govindaraju 12558269b973256bf2436cac0f047aa277fe4bc01ddVenkatraman Govindaraju unsigned getSRetArgSize(SelectionDAG &DAG, SDValue Callee) const; 1260ec587e26cd7e048b3150f89fa6d6245d5728cecJakob Stoklund Olesen SDValue withTargetFlags(SDValue Op, unsigned TF, SelectionDAG &DAG) const; 1270ec587e26cd7e048b3150f89fa6d6245d5728cecJakob Stoklund Olesen SDValue makeHiLoPair(SDValue Op, unsigned HiTF, unsigned LoTF, 1280ec587e26cd7e048b3150f89fa6d6245d5728cecJakob Stoklund Olesen SelectionDAG &DAG) const; 12926932106562adbe3f186b8f32fd5057d9f373875Jakob Stoklund Olesen SDValue makeAddress(SDValue Op, SelectionDAG &DAG) const; 130d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner }; 131d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner} // end namespace llvm 132d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner 133d23405e6f04135cabcad4d9bd7aa6e4f187bed3aChris Lattner#endif // SPARC_ISELLOWERING_H 134