diff options
Diffstat (limited to 'contrib/llvm/lib/Target/X86/X86ISelLowering.h')
| -rw-r--r-- | contrib/llvm/lib/Target/X86/X86ISelLowering.h | 116 |
1 files changed, 56 insertions, 60 deletions
diff --git a/contrib/llvm/lib/Target/X86/X86ISelLowering.h b/contrib/llvm/lib/Target/X86/X86ISelLowering.h index 465c603..5725f7a 100644 --- a/contrib/llvm/lib/Target/X86/X86ISelLowering.h +++ b/contrib/llvm/lib/Target/X86/X86ISelLowering.h @@ -15,15 +15,14 @@ #ifndef X86ISELLOWERING_H #define X86ISELLOWERING_H -#include "X86Subtarget.h" -#include "X86RegisterInfo.h" #include "X86MachineFunctionInfo.h" -#include "llvm/Target/TargetLowering.h" -#include "llvm/Target/TargetTransformImpl.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 { @@ -176,13 +175,14 @@ namespace llvm { /// 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, @@ -196,6 +196,12 @@ namespace llvm { /// 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, @@ -228,11 +234,8 @@ namespace llvm { // EH_SJLJ_LONGJMP - SjLj exception handling longjmp. EH_SJLJ_LONGJMP, - /// TC_RETURN - Tail call return. - /// operand #0 chain - /// operand #1 callee (register or absolute) - /// operand #2 stack adjustment - /// operand #3 optional in flag + /// TC_RETURN - Tail call return. See X86TargetLowering::LowerCall for + /// the list of operands. TC_RETURN, // VZEXT_MOVL - Vector move low and zero extend. @@ -272,8 +275,6 @@ namespace llvm { 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 @@ -290,7 +291,7 @@ namespace llvm { TESTP, // Several flavors of instructions with vector shuffle behaviors. - PALIGN, + PALIGNR, PSHUFD, PSHUFHW, PSHUFLW, @@ -355,10 +356,17 @@ namespace llvm { // 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. @@ -470,7 +478,7 @@ namespace llvm { 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, @@ -496,23 +504,29 @@ namespace llvm { /// 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. /// @@ -630,6 +644,7 @@ namespace llvm { /// 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 @@ -710,7 +725,7 @@ namespace llvm { 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 @@ -783,9 +798,7 @@ namespace llvm { SDValue LowerBUILD_VECTOR(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 LowerConstantPool(SDValue Op, SelectionDAG &DAG) const; SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const; SDValue LowerGlobalAddress(const GlobalValue *GV, DebugLoc dl, @@ -800,18 +813,18 @@ namespace llvm { 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 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 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 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; @@ -828,8 +841,9 @@ namespace llvm { SDValue LowerINIT_TRAMPOLINE(SDValue Op, SelectionDAG &DAG) const; SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG) const; SDValue LowerShift(SDValue Op, SelectionDAG &DAG) const; - + SDValue LowerSDIV(SDValue Op, SelectionDAG &DAG) const; SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const; + SDValue LowerFSINCOS(SDValue Op, SelectionDAG &DAG) const; // Utility functions to help LowerVECTOR_SHUFFLE & LowerBUILD_VECTOR SDValue LowerVectorBroadcast(SDValue Op, SelectionDAG &DAG) const; @@ -838,7 +852,7 @@ namespace llvm { SDValue LowerVectorAllZeroTest(SDValue Op, SelectionDAG &DAG) const; - SDValue lowerVectorIntExtend(SDValue Op, SelectionDAG &DAG) const; + SDValue LowerVectorIntExtend(SDValue Op, SelectionDAG &DAG) const; virtual SDValue LowerFormalArguments(SDValue Chain, @@ -861,9 +875,8 @@ namespace llvm { 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, @@ -932,23 +945,6 @@ namespace llvm { FastISel *createFastISel(FunctionLoweringInfo &funcInfo, const TargetLibraryInfo *libInfo); } - - 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 |
