#ifndef X86ISELLOWERING_H
#define X86ISELLOWERING_H
-#include "X86Subtarget.h"
-#include "X86RegisterInfo.h"
#include "X86MachineFunctionInfo.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetOptions.h"
+#include "X86RegisterInfo.h"
+#include "X86Subtarget.h"
+#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/FastISel.h"
#include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetTransformImpl.h"
namespace llvm {
namespace X86ISD {
/// relative displacements.
WrapperRIP,
- /// MOVQ2DQ - Copies a 64-bit value from an MMX vector to the low word
- /// of an XMM vector, with the high word zero filled.
- MOVQ2DQ,
-
/// MOVDQ2Q - Copies a 64-bit value from the low word of an XMM vector
/// to an MMX vector. If you think this is too close to the previous
/// mnemonic, so do I; blame Intel.
MOVDQ2Q,
+ /// MMX_MOVD2W - Copies a 32-bit value from the low word of a MMX
+ /// vector to a GPR.
+ MMX_MOVD2W,
+
/// PEXTRB - Extract an 8-bit value from a vector and zero extend it to
/// i32, corresponds to X86::PEXTRB.
PEXTRB,
/// PSIGN - Copy integer sign.
PSIGN,
- /// BLEND family of opcodes
+ /// BLENDV - Blend where the selector is a register.
BLENDV,
+ /// BLENDI - Blend where the selector is an immediate.
+ BLENDI,
+
/// HADD - Integer horizontal add.
HADD,
///
FMAX, FMIN,
+ /// FMAXC, FMINC - Commutative FMIN and FMAX.
+ FMAXC, FMINC,
+
/// FRSQRT, FRCP - Floating point reciprocal-sqrt and reciprocal
/// approximation. Note that these typically require refinement
/// in order to obtain suitable precision.
// TLSADDR - Thread Local Storage.
TLSADDR,
+ // TLSBASEADDR - Thread Local Storage. A call to get the start address
+ // of the TLS block for the current module.
+ TLSBASEADDR,
+
// TLSCALL - Thread Local Storage. When calling to an OS provided
// thunk at the address from an earlier relocation.
TLSCALL,
// EH_RETURN - Exception Handling helpers.
EH_RETURN,
+ // EH_SJLJ_SETJMP - SjLj exception handling setjmp.
+ EH_SJLJ_SETJMP,
+
+ // EH_SJLJ_LONGJMP - SjLj exception handling longjmp.
+ EH_SJLJ_LONGJMP,
+
/// TC_RETURN - Tail call return.
/// operand #0 chain
/// operand #1 callee (register or absolute)
// VZEXT_MOVL - Vector move low and zero extend.
VZEXT_MOVL,
- // VSHL, VSRL - Vector logical left / right shift.
- VSHL, VSRL,
+ // VSEXT_MOVL - Vector move low and sign extend.
+ VSEXT_MOVL,
+
+ // VZEXT - Vector integer zero-extend.
+ VZEXT,
+
+ // VSEXT - Vector integer signed-extend.
+ VSEXT,
+
+ // VFPEXT - Vector FP extend.
+ VFPEXT,
+
+ // VFPROUND - Vector FP round.
+ VFPROUND,
+
+ // VSHL, VSRL - 128-bit vector logical left / right shift
+ VSHLDQ, VSRLDQ,
+
+ // VSHL, VSRL, VSRA - Vector shift elements
+ VSHL, VSRL, VSRA,
+
+ // VSHLI, VSRLI, VSRAI - Vector shift elements by immediate
+ VSHLI, VSRLI, VSRAI,
- // CMPPD, CMPPS - Vector double/float comparison.
- // CMPPD, CMPPS - Vector double/float comparison.
- CMPPD, CMPPS,
+ // CMPP - Vector packed double/float comparison.
+ CMPP,
// PCMP* - Vector integer comparisons.
- PCMPEQB, PCMPEQW, PCMPEQD, PCMPEQQ,
- PCMPGTB, PCMPGTW, PCMPGTD, PCMPGTQ,
+ PCMPEQ, PCMPGT,
// ADD, SUB, SMUL, etc. - Arithmetic operations with FLAGS results.
ADD, SUB, ADC, SBB, SMUL,
PSHUFD,
PSHUFHW,
PSHUFLW,
- PSHUFHW_LD,
- PSHUFLW_LD,
- SHUFPD,
- SHUFPS,
+ SHUFP,
MOVDDUP,
MOVSHDUP,
MOVSLDUP,
- MOVSHDUP_LD,
- MOVSLDUP_LD,
MOVLHPS,
MOVLHPD,
MOVHLPS,
- MOVHLPD,
MOVLPS,
MOVLPD,
MOVSD,
MOVSS,
- UNPCKLPS,
- UNPCKLPD,
- VUNPCKLPSY,
- VUNPCKLPDY,
- UNPCKHPS,
- UNPCKHPD,
- VUNPCKHPSY,
- VUNPCKHPDY,
- PUNPCKLBW,
- PUNPCKLWD,
- PUNPCKLDQ,
- PUNPCKLQDQ,
- PUNPCKHBW,
- PUNPCKHWD,
- PUNPCKHDQ,
- PUNPCKHQDQ,
- VPERMILPS,
- VPERMILPSY,
- VPERMILPD,
- VPERMILPDY,
- VPERM2F128,
+ UNPCKL,
+ UNPCKH,
+ VPERMILP,
+ VPERMV,
+ VPERMI,
+ VPERM2X128,
VBROADCAST,
+ // PMULUDQ - Vector multiply packed unsigned doubleword integers
+ PMULUDQ,
+
+ // FMA nodes
+ FMADD,
+ FNMADD,
+ FMSUB,
+ FNMSUB,
+ FMADDSUB,
+ FMSUBADD,
+
// VASTART_SAVE_XMM_REGS - Save xmm argument registers to the stack,
// according to %al. An operator is needed so that this can be expanded
// with control flow.
// falls back to heap allocation if not.
SEG_ALLOCA,
+ // WIN_FTOL - Windows's _ftol2 runtime routine to do fptoui.
+ WIN_FTOL,
+
// Memory barrier
MEMBARRIER,
MFENCE,
SFENCE,
LFENCE,
+ // FNSTSW16r - Store FP status word into i16 register.
+ FNSTSW16r,
+
+ // SAHF - Store contents of %ah into %eflags.
+ SAHF,
+
+ // RDRAND - Get a random integer and indicate whether it is valid in CF.
+ RDRAND,
+
+ // PCMP*STRI
+ PCMPISTRI,
+ PCMPESTRI,
+
// ATOMADD64_DAG, ATOMSUB64_DAG, ATOMOR64_DAG, ATOMAND64_DAG,
// ATOMXOR64_DAG, ATOMNAND64_DAG, ATOMSWAP64_DAG -
// Atomic 64-bit binary operations.
ATOMXOR64_DAG,
ATOMAND64_DAG,
ATOMNAND64_DAG,
+ ATOMMAX64_DAG,
+ ATOMMIN64_DAG,
+ ATOMUMAX64_DAG,
+ ATOMUMIN64_DAG,
ATOMSWAP64_DAG,
// LCMPXCHG_DAG, LCMPXCHG8_DAG, LCMPXCHG16_DAG - Compare and swap.
/// Define some predicates that are used for node matching.
namespace X86 {
- /// isPSHUFDMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to PSHUFD.
- bool isPSHUFDMask(ShuffleVectorSDNode *N);
-
- /// isPSHUFHWMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to PSHUFD.
- bool isPSHUFHWMask(ShuffleVectorSDNode *N);
-
- /// isPSHUFLWMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to PSHUFD.
- bool isPSHUFLWMask(ShuffleVectorSDNode *N);
-
- /// isSHUFPMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to SHUFP*.
- bool isSHUFPMask(ShuffleVectorSDNode *N);
-
- /// isMOVHLPSMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to MOVHLPS.
- bool isMOVHLPSMask(ShuffleVectorSDNode *N);
-
- /// isMOVHLPS_v_undef_Mask - Special case of isMOVHLPSMask for canonical form
- /// of vector_shuffle v, v, <2, 3, 2, 3>, i.e. vector_shuffle v, undef,
- /// <2, 3, 2, 3>
- bool isMOVHLPS_v_undef_Mask(ShuffleVectorSDNode *N);
-
- /// isMOVLPMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for MOVLP{S|D}.
- bool isMOVLPMask(ShuffleVectorSDNode *N);
-
- /// isMOVHPMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for MOVHP{S|D}.
- /// as well as MOVLHPS.
- bool isMOVLHPSMask(ShuffleVectorSDNode *N);
-
- /// isUNPCKLMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to UNPCKL.
- bool isUNPCKLMask(ShuffleVectorSDNode *N, bool V2IsSplat = false);
-
- /// isUNPCKHMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to UNPCKH.
- bool isUNPCKHMask(ShuffleVectorSDNode *N, bool V2IsSplat = false);
-
- /// isUNPCKL_v_undef_Mask - Special case of isUNPCKLMask for canonical form
- /// of vector_shuffle v, v, <0, 4, 1, 5>, i.e. vector_shuffle v, undef,
- /// <0, 0, 1, 1>
- bool isUNPCKL_v_undef_Mask(ShuffleVectorSDNode *N);
-
- /// isUNPCKH_v_undef_Mask - Special case of isUNPCKHMask for canonical form
- /// of vector_shuffle v, v, <2, 6, 3, 7>, i.e. vector_shuffle v, undef,
- /// <2, 2, 3, 3>
- bool isUNPCKH_v_undef_Mask(ShuffleVectorSDNode *N);
-
- /// isMOVLMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to MOVSS,
- /// MOVSD, and MOVD, i.e. setting the lowest element.
- bool isMOVLMask(ShuffleVectorSDNode *N);
-
- /// isMOVSHDUPMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to MOVSHDUP.
- bool isMOVSHDUPMask(ShuffleVectorSDNode *N, const X86Subtarget *Subtarget);
-
- /// isMOVSLDUPMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to MOVSLDUP.
- bool isMOVSLDUPMask(ShuffleVectorSDNode *N, const X86Subtarget *Subtarget);
-
- /// isMOVDDUPMask - Return true if the specified VECTOR_SHUFFLE operand
- /// specifies a shuffle of elements that is suitable for input to MOVDDUP.
- bool isMOVDDUPMask(ShuffleVectorSDNode *N);
-
/// isVEXTRACTF128Index - Return true if the specified
/// EXTRACT_SUBVECTOR operand specifies a vector extract that is
/// suitable for input to VEXTRACTF128.
/// suitable for input to VINSERTF128.
bool isVINSERTF128Index(SDNode *N);
- /// getShuffleSHUFImmediate - Return the appropriate immediate to shuffle
- /// the specified isShuffleMask VECTOR_SHUFFLE mask with PSHUF* and SHUFP*
- /// instructions.
- unsigned getShuffleSHUFImmediate(SDNode *N);
-
- /// getShufflePSHUFHWImmediate - Return the appropriate immediate to shuffle
- /// the specified VECTOR_SHUFFLE mask with PSHUFHW instruction.
- unsigned getShufflePSHUFHWImmediate(SDNode *N);
-
- /// getShufflePSHUFLWImmediate - Return the appropriate immediate to shuffle
- /// the specified VECTOR_SHUFFLE mask with PSHUFLW instruction.
- unsigned getShufflePSHUFLWImmediate(SDNode *N);
-
- /// getShufflePALIGNRImmediate - Return the appropriate immediate to shuffle
- /// the specified VECTOR_SHUFFLE mask with the PALIGNR instruction.
- unsigned getShufflePALIGNRImmediate(SDNode *N);
-
/// getExtractVEXTRACTF128Immediate - Return the appropriate
/// immediate to extract the specified EXTRACT_SUBVECTOR index
/// with VEXTRACTF128 instructions.
getPICJumpTableRelocBaseExpr(const MachineFunction *MF,
unsigned JTI, MCContext &Ctx) const;
- /// getStackPtrReg - Return the stack pointer register we are using: either
- /// ESP or RSP.
- unsigned getStackPtrReg() const { return X86StackPtr; }
-
/// getByValTypeAlignment - Return the desired alignment for ByVal aggregate
/// function arguments in the caller parameter area. For X86, aggregates
/// that contains are placed at 16-byte boundaries while the rest are at
/// in Mask are known to be either zero or one and return them in the
/// KnownZero/KnownOne bitsets.
virtual void computeMaskedBitsForTargetNode(const SDValue Op,
- const APInt &Mask,
APInt &KnownZero,
APInt &KnownOne,
const SelectionDAG &DAG,
/// by AM is legal for this target, for a load/store of the specified type.
virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty)const;
+ /// isLegalICmpImmediate - Return true if the specified immediate is legal
+ /// icmp immediate, that is the target has icmp instructions which can
+ /// compare a register against the immediate without having to materialize
+ /// the immediate into a register.
+ virtual bool isLegalICmpImmediate(int64_t Imm) const;
+
+ /// isLegalAddImmediate - Return true if the specified immediate is legal
+ /// add immediate, that is the target has add instructions which can
+ /// add a register and the immediate without having to materialize
+ /// the immediate into a register.
+ virtual bool isLegalAddImmediate(int64_t Imm) const;
+
/// isTruncateFree - Return true if it's free to truncate a value of
/// type Ty1 to type Ty2. e.g. On x86 it's free to truncate a i32 value in
/// register EAX to i16 by referencing its sub-register AX.
virtual bool isZExtFree(Type *Ty1, Type *Ty2) const;
virtual bool isZExtFree(EVT VT1, EVT VT2) const;
+ /// isFMAFasterThanMulAndAdd - Return true if an FMA operation is faster than
+ /// a pair of mul and add instructions. fmuladd intrinsics will be expanded to
+ /// FMAs when this method returns true (and FMAs are legal), otherwise fmuladd
+ /// is expanded to mul + add.
+ virtual bool isFMAFasterThanMulAndAdd(EVT) const { return true; }
+
/// isNarrowingProfitable - Return true if it's profitable to narrow
/// operations of type VT1 to VT2. e.g. on x86, it's profitable to narrow
/// from i32 to i8 but not from i32 to i16.
(VT == MVT::f32 && X86ScalarSSEf32); // f32 is when SSE1
}
+ /// isTargetFTOL - Return true if the target uses the MSVC _ftol2 routine
+ /// for fptoui.
+ bool isTargetFTOL() const {
+ return Subtarget->isTargetWindows() && !Subtarget->is64Bit();
+ }
+
+ /// isIntegerTypeFTOL - Return true if the MSVC _ftol2 routine should be
+ /// used for fptoui to the given type.
+ bool isIntegerTypeFTOL(EVT VT) const {
+ return isTargetFTOL() && VT == MVT::i64;
+ }
+
/// createFastISel - This method returns a target specific FastISel object,
/// or null if the target does not support "fast" ISel.
- virtual FastISel *createFastISel(FunctionLoweringInfo &funcInfo) const;
+ virtual FastISel *createFastISel(FunctionLoweringInfo &funcInfo,
+ const TargetLibraryInfo *libInfo) const;
/// getStackCookieLocation - Return true if the target stores stack
/// protector cookies at a fixed offset in some non-standard address
/// make the right decision when generating code for different targets.
const X86Subtarget *Subtarget;
const X86RegisterInfo *RegInfo;
- const TargetData *TD;
-
- /// X86StackPtr - X86 physical register used as stack ptr.
- unsigned X86StackPtr;
+ const DataLayout *TD;
/// X86ScalarSSEf32, X86ScalarSSEf64 - Select between SSE or x87
/// floating point ops.
bool isVarArg,
bool isCalleeStructRet,
bool isCallerStructRet,
+ Type *RetTy,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals,
const SmallVectorImpl<ISD::InputArg> &Ins,
SelectionDAG &DAG) const;
std::pair<SDValue,SDValue> FP_TO_INTHelper(SDValue Op, SelectionDAG &DAG,
- bool isSigned) const;
+ bool isSigned,
+ bool isReplace) const;
SDValue LowerAsSplatVectorLoad(SDValue SrcOp, EVT VT, DebugLoc dl,
SelectionDAG &DAG) const;
SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerCONCAT_VECTORS(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerEXTRACT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerINSERT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerEXTRACT_SUBVECTOR(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerINSERT_SUBVECTOR(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerGlobalAddress(const GlobalValue *GV, DebugLoc dl,
SDValue LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerUINT_TO_FP_i64(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerUINT_TO_FP_i32(SDValue Op, SelectionDAG &DAG) const;
+ SDValue lowerUINT_TO_FP_vec(SDValue Op, SelectionDAG &DAG) const;
+ SDValue lowerTRUNCATE(SDValue Op, SelectionDAG &DAG) const;
+ SDValue lowerZERO_EXTEND(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFP_TO_UINT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue lowerFP_EXTEND(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFABS(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFNEG(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerFGETSIGN(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerToBT(SDValue And, ISD::CondCode CC,
DebugLoc dl, SelectionDAG &DAG) const;
SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerVACOPY(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFRAME_TO_ARGS_OFFSET(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerEH_RETURN(SDValue Op, SelectionDAG &DAG) const;
+ SDValue lowerEH_SJLJ_SETJMP(SDValue Op, SelectionDAG &DAG) const;
+ SDValue lowerEH_SJLJ_LONGJMP(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerINIT_TRAMPOLINE(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerADJUST_TRAMPOLINE(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerCTLZ(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerCTTZ(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerADD(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerSUB(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerMUL(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerShift(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerXALUO(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerCMP_SWAP(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerLOAD_SUB(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerREADCYCLECOUNTER(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerMEMBARRIER(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerATOMIC_FENCE(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
- // Utility functions to help LowerVECTOR_SHUFFLE
- SDValue LowerVECTOR_SHUFFLEv8i16(SDValue Op, SelectionDAG &DAG) const;
+ // Utility functions to help LowerVECTOR_SHUFFLE & LowerBUILD_VECTOR
+ SDValue LowerVectorBroadcast(SDValue Op, SelectionDAG &DAG) const;
+ SDValue NormalizeVectorShuffle(SDValue Op, SelectionDAG &DAG) const;
+ SDValue buildFromShuffleMostly(SDValue Op, SelectionDAG &DAG) const;
+
+ SDValue LowerVectorAllZeroTest(SDValue Op, SelectionDAG &DAG) const;
+
+ SDValue lowerVectorIntExtend(SDValue Op, SelectionDAG &DAG) const;
virtual SDValue
LowerFormalArguments(SDValue Chain,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
- LowerCall(SDValue Chain, SDValue Callee,
- CallingConv::ID CallConv, bool isVarArg, bool &isTailCall,
- const SmallVectorImpl<ISD::OutputArg> &Outs,
- const SmallVectorImpl<SDValue> &OutVals,
- const SmallVectorImpl<ISD::InputArg> &Ins,
- DebugLoc dl, SelectionDAG &DAG,
+ LowerCall(CallLoweringInfo &CLI,
SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
const SmallVectorImpl<SDValue> &OutVals,
DebugLoc dl, SelectionDAG &DAG) const;
- virtual bool isUsedByReturnOnly(SDNode *N) const;
+ virtual bool isUsedByReturnOnly(SDNode *N, SDValue &Chain) const;
virtual bool mayBeEmittedAsTailCall(CallInst *CI) const;
virtual bool
CanLowerReturn(CallingConv::ID CallConv, MachineFunction &MF,
- bool isVarArg,
- const SmallVectorImpl<ISD::OutputArg> &Outs,
- LLVMContext &Context) const;
-
- void ReplaceATOMIC_BINARY_64(SDNode *N, SmallVectorImpl<SDValue> &Results,
- SelectionDAG &DAG, unsigned NewOp) const;
-
- /// Utility function to emit string processing sse4.2 instructions
- /// that return in xmm0.
- /// This takes the instruction to expand, the associated machine basic
- /// block, the number of args, and whether or not the second arg is
- /// in memory or not.
- MachineBasicBlock *EmitPCMP(MachineInstr *BInstr, MachineBasicBlock *BB,
- unsigned argNum, bool inMem) const;
-
- /// Utility functions to emit monitor and mwait instructions. These
- /// need to make sure that the arguments to the intrinsic are in the
- /// correct registers.
- MachineBasicBlock *EmitMonitor(MachineInstr *MI,
- MachineBasicBlock *BB) const;
- MachineBasicBlock *EmitMwait(MachineInstr *MI, MachineBasicBlock *BB) const;
-
- /// Utility function to emit atomic bitwise operations (and, or, xor).
- /// It takes the bitwise instruction to expand, the associated machine basic
- /// block, and the associated X86 opcodes for reg/reg and reg/imm.
- MachineBasicBlock *EmitAtomicBitwiseWithCustomInserter(
- MachineInstr *BInstr,
- MachineBasicBlock *BB,
- unsigned regOpc,
- unsigned immOpc,
- unsigned loadOpc,
- unsigned cxchgOpc,
- unsigned notOpc,
- unsigned EAXreg,
- TargetRegisterClass *RC,
- bool invSrc = false) const;
-
- MachineBasicBlock *EmitAtomicBit6432WithCustomInserter(
- MachineInstr *BInstr,
- MachineBasicBlock *BB,
- unsigned regOpcL,
- unsigned regOpcH,
- unsigned immOpcL,
- unsigned immOpcH,
- bool invSrc = false) const;
-
- /// Utility function to emit atomic min and max. It takes the min/max
- /// instruction to expand, the associated basic block, and the associated
- /// cmov opcode for moving the min or max value.
- MachineBasicBlock *EmitAtomicMinMaxWithCustomInserter(MachineInstr *BInstr,
- MachineBasicBlock *BB,
- unsigned cmovOpc) const;
+ bool isVarArg,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ LLVMContext &Context) const;
+
+ /// Utility function to emit atomic-load-arith operations (and, or, xor,
+ /// nand, max, min, umax, umin). It takes the corresponding instruction to
+ /// expand, the associated machine basic block, and the associated X86
+ /// opcodes for reg/reg.
+ MachineBasicBlock *EmitAtomicLoadArith(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
+
+ /// Utility function to emit atomic-load-arith operations (and, or, xor,
+ /// nand, add, sub, swap) for 64-bit operands on 32-bit target.
+ MachineBasicBlock *EmitAtomicLoadArith6432(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
// Utility function to emit the low-level va_arg code for X86-64.
MachineBasicBlock *EmitVAARG64WithCustomInserter(
MachineBasicBlock *emitLoweredTLSAddr(MachineInstr *MI,
MachineBasicBlock *BB) const;
+ MachineBasicBlock *emitEHSjLjSetJmp(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
+
+ MachineBasicBlock *emitEHSjLjLongJmp(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
+
/// Emit nodes that will be selected as "test Op0,Op0", or something
/// equivalent, for use with the given x86 condition code.
SDValue EmitTest(SDValue Op0, unsigned X86CC, SelectionDAG &DAG) const;
/// equivalent, for use with the given x86 condition code.
SDValue EmitCmp(SDValue Op0, SDValue Op1, unsigned X86CC,
SelectionDAG &DAG) const;
+
+ /// Convert a comparison if required by the subtarget.
+ SDValue ConvertCmpIfNecessary(SDValue Cmp, SelectionDAG &DAG) const;
};
namespace X86 {
- FastISel *createFastISel(FunctionLoweringInfo &funcInfo);
+ FastISel *createFastISel(FunctionLoweringInfo &funcInfo,
+ const TargetLibraryInfo *libInfo);
}
+
+ class X86ScalarTargetTransformImpl : public ScalarTargetTransformImpl {
+ public:
+ explicit X86ScalarTargetTransformImpl(const TargetLowering *TL) :
+ ScalarTargetTransformImpl(TL) {};
+
+ virtual PopcntHwSupport getPopcntHwSupport(unsigned TyWidth) const;
+ };
+
+ class X86VectorTargetTransformInfo : public VectorTargetTransformImpl {
+ public:
+ explicit X86VectorTargetTransformInfo(const TargetLowering *TL) :
+ VectorTargetTransformImpl(TL) {}
+
+ virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const;
+
+ virtual unsigned getVectorInstrCost(unsigned Opcode, Type *Val,
+ unsigned Index) const;
+
+ unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
+ Type *CondTy) const;
+
+ virtual unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
+ Type *Src) const;
+ };
}
#endif // X86ISELLOWERING_H
projects / oota-llvm.git / blobdiff