#include "X86RegisterInfo.h"
#include "X86MachineFunctionInfo.h"
#include "llvm/Target/TargetLowering.h"
+#include "llvm/CodeGen/FastISel.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/CallingConvLower.h"
// X86 Specific DAG Nodes
enum NodeType {
// Start the numbering where the builtin ops leave off.
- FIRST_NUMBER = ISD::BUILTIN_OP_END+X86::INSTRUCTION_LIST_END,
+ FIRST_NUMBER = ISD::BUILTIN_OP_END,
/// BSF - Bit scan forward.
/// BSR - Bit scan reverse.
/// as.
FST,
- /// FP_GET_ST0 - This corresponds to FpGET_ST0 pseudo instruction
- /// which copies from ST(0) to the destination. It takes a chain and
- /// writes a RFP result and a chain.
- FP_GET_ST0,
-
- /// FP_GET_ST0_ST1 - Same as FP_GET_ST0 except it copies two values
- /// ST(0) and ST(1).
- FP_GET_ST0_ST1,
-
- /// FP_SET_ST0 - This corresponds to FpSET_ST0 pseudo instruction
- /// which copies the source operand to ST(0). It takes a chain+value and
- /// returns a chain and a flag.
- FP_SET_ST0,
-
/// CALL/TAILCALL - These operations represent an abstract X86 call
/// instruction, which includes a bunch of information. In particular the
/// operands of these node are:
/// X86 compare and logical compare instructions.
CMP, COMI, UCOMI,
- /// X86 SetCC. Operand 1 is condition code, and operand 2 is the flag
+ /// X86 bit-test instructions.
+ BT,
+
+ /// X86 SetCC. Operand 0 is condition code, and operand 1 is the flag
/// operand produced by a CMP instruction.
SETCC,
- /// X86 conditional moves. Operand 1 and operand 2 are the two values
- /// to select from (operand 1 is a R/W operand). Operand 3 is the
- /// condition code, and operand 4 is the flag operand produced by a CMP
- /// or TEST instruction. It also writes a flag result.
+ /// X86 conditional moves. Operand 0 and operand 1 are the two values
+ /// to select from. Operand 2 is the condition code, and operand 3 is the
+ /// flag operand produced by a CMP or TEST instruction. It also writes a
+ /// flag result.
CMOV,
- /// X86 conditional branches. Operand 1 is the chain operand, operand 2
- /// is the block to branch if condition is true, operand 3 is the
- /// condition code, and operand 4 is the flag operand produced by a CMP
+ /// X86 conditional branches. Operand 0 is the chain operand, operand 1
+ /// is the block to branch if condition is true, operand 2 is the
+ /// condition code, and operand 3 is the flag operand produced by a CMP
/// or TEST instruction.
BRCOND,
- /// Return with a flag operand. Operand 1 is the chain operand, operand
- /// 2 is the number of bytes of stack to pop.
+ /// Return with a flag operand. Operand 0 is the chain operand, operand
+ /// 1 is the number of bytes of stack to pop.
RET_FLAG,
/// REP_STOS - Repeat fill, corresponds to X86::REP_STOSx.
/// corresponds to X86::PINSRW.
PINSRW,
+ /// PSHUFB - Shuffle 16 8-bit values within a vector.
+ PSHUFB,
+
/// FMAX, FMIN - Floating point max and min.
///
FMAX, FMIN,
/// in order to obtain suitable precision.
FRSQRT, FRCP,
- // Thread Local Storage
+ // TLSADDR, THREAD_POINTER - Thread Local Storage.
TLSADDR, THREAD_POINTER,
- // Exception Handling helpers
+ // EH_RETURN - Exception Handling helpers.
EH_RETURN,
- // tail call return
- // oeprand #0 chain
- // operand #1 callee (register or absolute)
- // operand #2 stack adjustment
- // operand #3 optional in flag
+ /// 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,
- // compare and swap
+ // LCMPXCHG_DAG, LCMPXCHG8_DAG - Compare and swap.
LCMPXCHG_DAG,
LCMPXCHG8_DAG,
- // Store FP control world into i16 memory
- FNSTCW16m
+ // ATOMADD64_DAG, ATOMSUB64_DAG, ATOMOR64_DAG, ATOMAND64_DAG,
+ // ATOMXOR64_DAG, ATOMNAND64_DAG, ATOMSWAP64_DAG -
+ // Atomic 64-bit binary operations.
+ ATOMADD64_DAG,
+ ATOMSUB64_DAG,
+ ATOMOR64_DAG,
+ ATOMXOR64_DAG,
+ ATOMAND64_DAG,
+ ATOMNAND64_DAG,
+ ATOMSWAP64_DAG,
+
+ // FNSTCW16m - Store FP control world into i16 memory.
+ FNSTCW16m,
+
+ // VZEXT_MOVL - Vector move low and zero extend.
+ VZEXT_MOVL,
+
+ // VZEXT_LOAD - Load, scalar_to_vector, and zero extend.
+ VZEXT_LOAD,
+
+ // VSHL, VSRL - Vector logical left / right shift.
+ VSHL, VSRL,
+
+ // CMPPD, CMPPS - Vector double/float comparison.
+ CMPPD, CMPPS,
+
+ // PCMP* - Vector integer comparisons.
+ PCMPEQB, PCMPEQW, PCMPEQD, PCMPEQQ,
+ PCMPGTB, PCMPGTW, PCMPGTD, PCMPGTQ,
+
+ // ADD, SUB, SMUL, UMUL, etc. - Arithmetic operations with FLAGS results.
+ ADD, SUB, SMUL, UMUL,
+ INC, DEC,
+
+ // MUL_IMM - X86 specific multiply by immediate.
+ MUL_IMM
};
}
/// specifies a splat of zero element.
bool isSplatLoMask(SDNode *N);
+ /// isMOVDDUPMask - Return true if the specified VECTOR_SHUFFLE operand
+ /// specifies a shuffle of elements that is suitable for input to MOVDDUP.
+ bool isMOVDDUPMask(SDNode *N);
+
/// getShuffleSHUFImmediate - Return the appropriate immediate to shuffle
/// the specified isShuffleMask VECTOR_SHUFFLE mask with PSHUF* and SHUFP*
/// instructions.
unsigned getShufflePSHUFLWImmediate(SDNode *N);
}
- namespace X86 {
- /// X86_64SRet - These represent different ways to implement x86_64 struct
- /// returns call results.
- enum X86_64SRet {
- InMemory, // Really is sret, returns in memory.
- InGPR64, // Returns in a pair of 64-bit integer registers.
- InSSE, // Returns in a pair of SSE registers.
- InX87 // Returns in a pair of f80 X87 registers.
- };
- }
-
//===--------------------------------------------------------------------===//
// X86TargetLowering - X86 Implementation of the TargetLowering interface
class X86TargetLowering : public TargetLowering {
int BytesCallerReserves; // Number of arg bytes caller makes.
public:
- explicit X86TargetLowering(TargetMachine &TM);
+ explicit X86TargetLowering(X86TargetMachine &TM);
/// getPICJumpTableRelocaBase - Returns relocation base for the given PIC
/// jumptable.
- SDOperand getPICJumpTableRelocBase(SDOperand Table,
+ SDValue getPICJumpTableRelocBase(SDValue Table,
SelectionDAG &DAG) const;
// Return the number of bytes that a function should pop when it returns (in
/// that contains are placed at 16-byte boundaries while the rest are at
/// 4-byte boundaries.
virtual unsigned getByValTypeAlignment(const Type *Ty) const;
+
+ /// getOptimalMemOpType - Returns the target specific optimal type for load
+ /// and store operations as a result of memset, memcpy, and memmove
+ /// lowering. It returns MVT::iAny if SelectionDAG should be responsible for
+ /// determining it.
+ virtual
+ MVT getOptimalMemOpType(uint64_t Size, unsigned Align,
+ bool isSrcConst, bool isSrcStr) const;
/// LowerOperation - Provide custom lowering hooks for some operations.
///
- virtual SDOperand LowerOperation(SDOperand Op, SelectionDAG &DAG);
+ virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
- /// ExpandOperation - Custom lower the specified operation, splitting the
- /// value into two pieces.
+ /// ReplaceNodeResults - Replace the results of node with an illegal result
+ /// type with new values built out of custom code.
///
- virtual SDNode *ExpandOperationResult(SDNode *N, SelectionDAG &DAG);
+ virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results,
+ SelectionDAG &DAG);
- virtual SDOperand PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
+ virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *MBB);
+ MachineBasicBlock *MBB) const;
+
/// getTargetNodeName - This method returns the name of a target specific
/// DAG node.
virtual const char *getTargetNodeName(unsigned Opcode) const;
+ /// getSetCCResultType - Return the ISD::SETCC ValueType
+ virtual MVT getSetCCResultType(MVT VT) const;
+
/// computeMaskedBitsForTargetNode - Determine which of the bits specified
/// in Mask are known to be either zero or one and return them in the
/// KnownZero/KnownOne bitsets.
- virtual void computeMaskedBitsForTargetNode(const SDOperand Op,
+ virtual void computeMaskedBitsForTargetNode(const SDValue Op,
const APInt &Mask,
APInt &KnownZero,
APInt &KnownOne,
const SelectionDAG &DAG,
unsigned Depth = 0) const;
+
+ virtual bool
+ isGAPlusOffset(SDNode *N, GlobalValue* &GA, int64_t &Offset) const;
- SDOperand getReturnAddressFrameIndex(SelectionDAG &DAG);
+ SDValue getReturnAddressFrameIndex(SelectionDAG &DAG);
ConstraintType getConstraintType(const std::string &Constraint) const;
std::vector<unsigned>
getRegClassForInlineAsmConstraint(const std::string &Constraint,
- MVT::ValueType VT) const;
+ MVT VT) const;
- virtual void lowerXConstraint(MVT::ValueType ConstraintVT,
- std::string&) const;
+ virtual const char *LowerXConstraint(MVT ConstraintVT) const;
/// LowerAsmOperandForConstraint - Lower the specified operand into the Ops
- /// vector. If it is invalid, don't add anything to Ops.
- virtual void LowerAsmOperandForConstraint(SDOperand Op,
+ /// vector. If it is invalid, don't add anything to Ops. If hasMemory is
+ /// true it means one of the asm constraint of the inline asm instruction
+ /// being processed is 'm'.
+ virtual void LowerAsmOperandForConstraint(SDValue Op,
char ConstraintLetter,
- std::vector<SDOperand> &Ops,
- SelectionDAG &DAG);
+ bool hasMemory,
+ std::vector<SDValue> &Ops,
+ SelectionDAG &DAG) const;
/// getRegForInlineAsmConstraint - Given a physical register constraint
/// (e.g. {edx}), return the register number and the register class for the
/// error, this returns a register number of 0.
std::pair<unsigned, const TargetRegisterClass*>
getRegForInlineAsmConstraint(const std::string &Constraint,
- MVT::ValueType VT) const;
+ MVT VT) const;
/// isLegalAddressingMode - Return true if the addressing mode represented
/// by AM is legal for this target, for a load/store of the specified type.
/// 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 isTruncateFree(const Type *Ty1, const Type *Ty2) const;
- virtual bool isTruncateFree(MVT::ValueType VT1, MVT::ValueType VT2) const;
+ virtual bool isTruncateFree(MVT VT1, MVT VT2) const;
/// isShuffleMaskLegal - Targets can use this to indicate that they only
/// support *some* VECTOR_SHUFFLE operations, those with specific masks.
/// By default, if a target supports the VECTOR_SHUFFLE node, all mask
/// values are assumed to be legal.
- virtual bool isShuffleMaskLegal(SDOperand Mask, MVT::ValueType VT) const;
+ virtual bool isShuffleMaskLegal(SDValue Mask, MVT VT) const;
/// isVectorClearMaskLegal - Similar to isShuffleMaskLegal. This is
/// used by Targets can use this to indicate if there is a suitable
/// VECTOR_SHUFFLE that can be used to replace a VAND with a constant
/// pool entry.
- virtual bool isVectorClearMaskLegal(std::vector<SDOperand> &BVOps,
- MVT::ValueType EVT,
- SelectionDAG &DAG) const;
+ virtual bool isVectorClearMaskLegal(const std::vector<SDValue> &BVOps,
+ MVT EVT, SelectionDAG &DAG) const;
/// ShouldShrinkFPConstant - If true, then instruction selection should
/// seek to shrink the FP constant of the specified type to a smaller type
/// in order to save space and / or reduce runtime.
- virtual bool ShouldShrinkFPConstant(MVT::ValueType VT) const {
+ virtual bool ShouldShrinkFPConstant(MVT VT) const {
// Don't shrink FP constpool if SSE2 is available since cvtss2sd is more
// expensive than a straight movsd. On the other hand, it's important to
// shrink long double fp constant since fldt is very slow.
/// IsEligibleForTailCallOptimization - Check whether the call is eligible
/// for tail call optimization. Target which want to do tail call
/// optimization should implement this function.
- virtual bool IsEligibleForTailCallOptimization(SDOperand Call,
- SDOperand Ret,
+ virtual bool IsEligibleForTailCallOptimization(CallSDNode *TheCall,
+ SDValue Ret,
SelectionDAG &DAG) const;
- virtual const TargetSubtarget* getSubtarget() {
- return static_cast<const TargetSubtarget*>(Subtarget);
+ virtual const X86Subtarget* getSubtarget() {
+ return Subtarget;
}
/// isScalarFPTypeInSSEReg - Return true if the specified scalar FP type is
/// computed in an SSE register, not on the X87 floating point stack.
- bool isScalarFPTypeInSSEReg(MVT::ValueType VT) const {
+ bool isScalarFPTypeInSSEReg(MVT VT) const {
return (VT == MVT::f64 && X86ScalarSSEf64) || // f64 is when SSE2
(VT == MVT::f32 && X86ScalarSSEf32); // f32 is when SSE1
}
+
+ /// getWidenVectorType: given a vector type, returns the type to widen
+ /// to (e.g., v7i8 to v8i8). If the vector type is legal, it returns itself.
+ /// If there is no vector type that we want to widen to, returns MVT::Other
+ /// When and were to widen is target dependent based on the cost of
+ /// scalarizing vs using the wider vector type.
+ virtual MVT getWidenVectorType(MVT VT) const;
+
+ /// createFastISel - This method returns a target specific FastISel object,
+ /// or null if the target does not support "fast" ISel.
+ virtual FastISel *
+ createFastISel(MachineFunction &mf,
+ MachineModuleInfo *mmi, DwarfWriter *dw,
+ DenseMap<const Value *, unsigned> &,
+ DenseMap<const BasicBlock *, MachineBasicBlock *> &,
+ DenseMap<const AllocaInst *, int> &
+#ifndef NDEBUG
+ , SmallSet<Instruction*, 8> &
+#endif
+ );
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 TargetRegisterInfo *RegInfo;
+ const X86RegisterInfo *RegInfo;
+ const TargetData *TD;
/// X86StackPtr - X86 physical register used as stack ptr.
unsigned X86StackPtr;
bool X86ScalarSSEf32;
bool X86ScalarSSEf64;
- X86::X86_64SRet ClassifyX86_64SRetCallReturn(const Function *Fn);
-
- void X86_64AnalyzeSRetCallOperands(SDNode*, CCAssignFn*, CCState&);
-
- SDNode *LowerCallResult(SDOperand Chain, SDOperand InFlag, SDNode*TheCall,
+ SDNode *LowerCallResult(SDValue Chain, SDValue InFlag, CallSDNode *TheCall,
unsigned CallingConv, SelectionDAG &DAG);
- SDNode *LowerCallResultToTwo64BitRegs(SDOperand Chain, SDOperand InFlag,
- SDNode *TheCall, unsigned Reg1,
- unsigned Reg2, MVT::ValueType VT,
- SelectionDAG &DAG);
-
- SDNode *LowerCallResultToTwoX87Regs(SDOperand Chain, SDOperand InFlag,
- SDNode *TheCall, SelectionDAG &DAG);
-
- SDOperand LowerMemArgument(SDOperand Op, SelectionDAG &DAG,
+ SDValue LowerMemArgument(SDValue Op, SelectionDAG &DAG,
const CCValAssign &VA, MachineFrameInfo *MFI,
- unsigned CC, SDOperand Root, unsigned i);
+ unsigned CC, SDValue Root, unsigned i);
- SDOperand LowerMemOpCallTo(SDOperand Op, SelectionDAG &DAG,
- const SDOperand &StackPtr,
- const CCValAssign &VA, SDOperand Chain,
- SDOperand Arg);
+ SDValue LowerMemOpCallTo(CallSDNode *TheCall, SelectionDAG &DAG,
+ const SDValue &StackPtr,
+ const CCValAssign &VA, SDValue Chain,
+ SDValue Arg, ISD::ArgFlagsTy Flags);
// Call lowering helpers.
- bool IsCalleePop(SDOperand Op);
+ bool IsCalleePop(bool isVarArg, unsigned CallingConv);
bool CallRequiresGOTPtrInReg(bool Is64Bit, bool IsTailCall);
bool CallRequiresFnAddressInReg(bool Is64Bit, bool IsTailCall);
- CCAssignFn *CCAssignFnForNode(SDOperand Op) const;
- NameDecorationStyle NameDecorationForFORMAL_ARGUMENTS(SDOperand Op);
+ SDValue EmitTailCallLoadRetAddr(SelectionDAG &DAG, SDValue &OutRetAddr,
+ SDValue Chain, bool IsTailCall, bool Is64Bit,
+ int FPDiff, DebugLoc dl);
+
+ CCAssignFn *CCAssignFnForNode(unsigned CallingConv) const;
+ NameDecorationStyle NameDecorationForFORMAL_ARGUMENTS(SDValue Op);
unsigned GetAlignedArgumentStackSize(unsigned StackSize, SelectionDAG &DAG);
- std::pair<SDOperand,SDOperand> FP_TO_SINTHelper(SDOperand Op,
+ std::pair<SDValue,SDValue> FP_TO_SINTHelper(SDValue Op,
SelectionDAG &DAG);
- SDOperand LowerBUILD_VECTOR(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerVECTOR_SHUFFLE(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerEXTRACT_VECTOR_ELT(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerEXTRACT_VECTOR_ELT_SSE4(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerINSERT_VECTOR_ELT(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerINSERT_VECTOR_ELT_SSE4(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerSCALAR_TO_VECTOR(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerConstantPool(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerGlobalAddress(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerGlobalTLSAddress(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerExternalSymbol(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerShift(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerSINT_TO_FP(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFP_TO_SINT(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFABS(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFNEG(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFCOPYSIGN(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerSETCC(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerSELECT(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerBRCOND(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerMEMSET(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerMEMCPYInline(SDOperand Dest, SDOperand Source,
- SDOperand Chain, unsigned Size, unsigned Align,
- SelectionDAG &DAG);
- SDOperand LowerJumpTable(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerDYNAMIC_STACKALLOC(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerVASTART(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerVACOPY(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerINTRINSIC_WO_CHAIN(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerRETURNADDR(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFRAMEADDR(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFRAME_TO_ARGS_OFFSET(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerEH_RETURN(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerTRAMPOLINE(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFLT_ROUNDS_(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerCTLZ(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerCTTZ(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerLCS(SDOperand Op, SelectionDAG &DAG);
- SDNode *ExpandFP_TO_SINT(SDNode *N, SelectionDAG &DAG);
- SDNode *ExpandREADCYCLECOUNTER(SDNode *N, SelectionDAG &DAG);
- SDNode *ExpandATOMIC_LCS(SDNode *N, SelectionDAG &DAG);
+ SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerEXTRACT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerINSERT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerGlobalAddress(const GlobalValue *GV, DebugLoc dl,
+ int64_t Offset, SelectionDAG &DAG) const;
+ SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerExternalSymbol(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerShift(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerUINT_TO_FP_i64(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerUINT_TO_FP_i32(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerFABS(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerFNEG(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerVSETCC(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerMEMSET(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerCALL(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerRET(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerVACOPY(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerFRAME_TO_ARGS_OFFSET(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerEH_RETURN(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerTRAMPOLINE(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerCTLZ(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerCTTZ(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerMUL_V2I64(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerXALUO(SDValue Op, SelectionDAG &DAG);
+
+ SDValue LowerCMP_SWAP(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerLOAD_SUB(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerREADCYCLECOUNTER(SDValue Op, SelectionDAG &DAG);
+
+ void ReplaceATOMIC_BINARY_64(SDNode *N, SmallVectorImpl<SDValue> &Results,
+ SelectionDAG &DAG, unsigned NewOp);
+
+ SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl,
+ SDValue Chain,
+ SDValue Dst, SDValue Src,
+ SDValue Size, unsigned Align,
+ const Value *DstSV, uint64_t DstSVOff);
+ SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
+ SDValue Chain,
+ SDValue Dst, SDValue Src,
+ SDValue Size, unsigned Align,
+ bool AlwaysInline,
+ const Value *DstSV, uint64_t DstSVOff,
+ const Value *SrcSV, uint64_t SrcSVOff);
+
+ /// 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 copyOpc,
+ 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;
+
+ /// 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);
+
+ /// Emit nodes that will be selected as "cmp Op0,Op1", or something
+ /// equivalent, for use with the given x86 condition code.
+ SDValue EmitCmp(SDValue Op0, SDValue Op1, unsigned X86CC,
+ SelectionDAG &DAG);
};
+
+ namespace X86 {
+ FastISel *createFastISel(MachineFunction &mf,
+ MachineModuleInfo *mmi, DwarfWriter *dw,
+ DenseMap<const Value *, unsigned> &,
+ DenseMap<const BasicBlock *, MachineBasicBlock *> &,
+ DenseMap<const AllocaInst *, int> &
+#ifndef NDEBUG
+ , SmallSet<Instruction*, 8> &
+#endif
+ );
+ }
}
#endif // X86ISELLOWERING_H
projects / oota-llvm.git / blobdiff