#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"
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,
- /// BLENDV - Blend where the selector is an XMM.
+ /// BLENDV - Blend where the selector is a register.
BLENDV,
- /// BLENDxx - Blend where the selector is an immediate.
- BLENDPW,
- BLENDPS,
- BLENDPD,
+ /// BLENDI - Blend where the selector is an immediate.
+ BLENDI,
+
+ // SUBUS - Integer sub with unsigned saturation.
+ SUBUS,
/// HADD - Integer horizontal add.
HADD,
/// FHSUB - Floating point horizontal sub.
FHSUB,
+ /// UMAX, UMIN - Unsigned integer max and min.
+ UMAX, UMIN,
+
+ /// SMAX, SMIN - Signed integer max and min.
+ SMAX, SMIN,
+
/// FMAX, FMIN - Floating point max and min.
///
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,
- /// TC_RETURN - Tail call return.
- /// operand #0 chain
- /// operand #1 callee (register or absolute)
- /// operand #2 stack adjustment
- /// operand #3 optional in flag
+ // 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. See X86TargetLowering::LowerCall for
+ /// the list of operands.
TC_RETURN,
// VZEXT_MOVL - Vector move low and zero extend.
// 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,
// PCMP* - Vector integer comparisons.
PCMPEQ, PCMPGT,
- // VPCOM, VPCOMU - XOP Vector integer comparisons.
- VPCOM, VPCOMU,
-
// ADD, SUB, SMUL, etc. - Arithmetic operations with FLAGS results.
ADD, SUB, ADC, SBB, SMUL,
INC, DEC, OR, XOR, AND,
- ANDN, // ANDN - Bitwise AND NOT with FLAGS results.
-
BLSI, // BLSI - Extract lowest set isolated bit
BLSMSK, // BLSMSK - Get mask up to lowest set bit
BLSR, // BLSR - Reset lowest set bit
TESTP,
// Several flavors of instructions with vector shuffle behaviors.
- PALIGN,
+ PALIGNR,
PSHUFD,
PSHUFHW,
PSHUFLW,
// 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.
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,
+
+ // RDSEED - Get a NIST SP800-90B & C compliant random integer and
+ // indicate whether it is valid in CF.
+ RDSEED,
+
+ // PCMP*STRI
+ PCMPISTRI,
+ PCMPESTRI,
+
+ // XTEST - Test if in transactional execution.
+ XTEST,
+
// 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.
virtual unsigned getJumpTableEncoding() const;
- virtual MVT getShiftAmountTy(EVT LHSTy) const { return MVT::i8; }
+ virtual MVT getScalarShiftAmountTy(EVT LHSTy) const { return MVT::i8; }
virtual const MCExpr *
LowerCustomJumpTableEntry(const MachineJumpTableInfo *MJTI,
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
/// lowering. If DstAlign is zero that means it's safe to destination
/// alignment can satisfy any constraint. Similarly if SrcAlign is zero it
/// means there isn't a need to check it against alignment requirement,
- /// probably because the source does not need to be loaded. If
- /// 'IsZeroVal' is true, that means it's safe to return a
- /// non-scalar-integer type, e.g. empty string source, constant, or loaded
- /// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is
- /// constant so it does not need to be loaded.
+ /// probably because the source does not need to be loaded. If 'IsMemset' is
+ /// true, that means it's expanding a memset. If 'ZeroMemset' is true, that
+ /// means it's a memset of zero. 'MemcpyStrSrc' indicates whether the memcpy
+ /// source is constant so it does not need to be loaded.
/// It returns EVT::Other if the type should be determined using generic
/// target-independent logic.
virtual EVT
- getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign,
- bool IsZeroVal, bool MemcpyStrSrc,
+ getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign,
+ bool IsMemset, bool ZeroMemset, bool MemcpyStrSrc,
MachineFunction &MF) const;
+ /// isSafeMemOpType - Returns true if it's safe to use load / store of the
+ /// specified type to expand memcpy / memset inline. This is mostly true
+ /// for all types except for some special cases. For example, on X86
+ /// targets without SSE2 f64 load / store are done with fldl / fstpl which
+ /// also does type conversion. Note the specified type doesn't have to be
+ /// legal as the hook is used before type legalization.
+ virtual bool isSafeMemOpType(MVT VT) const;
+
/// allowsUnalignedMemoryAccesses - Returns true if the target allows
- /// unaligned memory accesses. of the specified type.
- virtual bool allowsUnalignedMemoryAccesses(EVT VT) const {
- return true;
- }
+ /// unaligned memory accesses. of the specified type. Returns whether it
+ /// is "fast" by reference in the second argument.
+ virtual bool allowsUnalignedMemoryAccesses(EVT VT, bool *Fast) const;
/// LowerOperation - Provide custom lowering hooks for some operations.
///
/// 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.
/// result out to 64 bits.
virtual bool isZExtFree(Type *Ty1, Type *Ty2) const;
virtual bool isZExtFree(EVT VT1, EVT VT2) const;
+ virtual bool isZExtFree(SDValue Val, 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
/// 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
SDValue BuildFILD(SDValue Op, EVT SrcVT, SDValue Chain, SDValue StackSlot,
SelectionDAG &DAG) const;
+ /// \brief Reset the operation actions based on target options.
+ virtual void resetOperationActions();
+
protected:
std::pair<const TargetRegisterClass*, uint8_t>
- findRepresentativeClass(EVT VT) const;
+ findRepresentativeClass(MVT VT) const;
private:
/// Subtarget - Keep a pointer to the X86Subtarget around so that we can
/// make the right decision when generating code for different targets.
const X86Subtarget *Subtarget;
const X86RegisterInfo *RegInfo;
- const TargetData *TD;
+ const DataLayout *TD;
- /// X86StackPtr - X86 physical register used as stack ptr.
- unsigned X86StackPtr;
+ /// Used to store the TargetOptions so that we don't waste time resetting
+ /// the operation actions unless we have to.
+ TargetOptions TO;
/// 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,
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 LowerSIGN_EXTEND(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerANY_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 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 LowerVSETCC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerMEMSET(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 LowerCTLZ_ZERO_UNDEF(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 LowerSDIV(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
- SDValue PerformTruncateCombine(SDNode* N, SelectionDAG &DAG, DAGCombinerInfo &DCI) const;
+ SDValue LowerFSINCOS(SDValue Op, SelectionDAG &DAG) const;
- // Utility functions to help LowerVECTOR_SHUFFLE
- SDValue LowerVECTOR_SHUFFLEv8i16(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerVectorBroadcast(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 doesNotRet, 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
virtual bool mayBeEmittedAsTailCall(CallInst *CI) const;
- virtual EVT
- getTypeForExtArgOrReturn(LLVMContext &Context, EVT VT,
- ISD::NodeType ExtendKind) const;
+ virtual MVT
+ getTypeForExtArgOrReturn(MVT VT, ISD::NodeType ExtendKind) 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,
- const TargetRegisterClass *RC,
- bool Invert = false) const;
-
- MachineBasicBlock *EmitAtomicBit6432WithCustomInserter(
- MachineInstr *BInstr,
- MachineBasicBlock *BB,
- unsigned regOpcL,
- unsigned regOpcH,
- unsigned immOpcL,
- unsigned immOpcH,
- bool Invert = 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);
}
}
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