#include "ARM.h"
#include "ARMSubtarget.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetRegisterInfo.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/TargetRegisterInfo.h"
#include <vector>
namespace llvm {
Wrapper, // Wrapper - A wrapper node for TargetConstantPool,
// TargetExternalSymbol, and TargetGlobalAddress.
- WrapperDYN, // WrapperDYN - A wrapper node for TargetGlobalAddress in
- // DYN mode.
WrapperPIC, // WrapperPIC - A wrapper node for TargetGlobalAddress in
// PIC mode.
WrapperJT, // WrapperJT - A wrapper node for TargetJumpTable
BR_JT, // Jumptable branch.
BR2_JT, // Jumptable branch (2 level - jumptable entry is a jump).
RET_FLAG, // Return with a flag operand.
+ INTRET_FLAG, // Interrupt return with an LR-offset and a flag operand.
PIC_ADD, // Add with a PC operand and a PIC label.
DYN_ALLOC, // Dynamic allocation on the stack.
- MEMBARRIER, // Memory barrier (DMB)
MEMBARRIER_MCR, // Memory barrier (MCR)
PRELOAD, // Preload
// Floating-point max and min:
FMAX,
FMIN,
+ VMAXNM,
+ VMINNM,
// Bit-field insert
BFI,
VST4_UPD,
VST2LN_UPD,
VST3LN_UPD,
- VST4LN_UPD,
-
- // 64-bit atomic ops (value split into two registers)
- ATOMADD64_DAG,
- ATOMSUB64_DAG,
- ATOMOR64_DAG,
- ATOMXOR64_DAG,
- ATOMAND64_DAG,
- ATOMNAND64_DAG,
- ATOMSWAP64_DAG,
- ATOMCMPXCHG64_DAG,
- ATOMMIN64_DAG,
- ATOMUMIN64_DAG,
- ATOMMAX64_DAG,
- ATOMUMAX64_DAG
+ VST4LN_UPD
};
}
}
/// getSetCCResultType - Return the value type to use for ISD::SETCC.
- virtual EVT getSetCCResultType(EVT VT) const;
+ virtual EVT getSetCCResultType(LLVMContext &Context, EVT VT) const;
virtual MachineBasicBlock *
EmitInstrWithCustomInserter(MachineInstr *MI,
bool isDesirableToTransformToIntegerOp(unsigned Opc, EVT VT) const;
/// allowsUnalignedMemoryAccesses - Returns true if the target allows
- /// unaligned memory accesses. of the specified type.
- virtual bool allowsUnalignedMemoryAccesses(EVT VT) const;
+ /// unaligned memory accesses of the specified type. Returns whether it
+ /// is "fast" by reference in the second argument.
+ virtual bool allowsUnalignedMemoryAccesses(EVT VT, unsigned AddrSpace,
+ bool *Fast) const;
virtual EVT getOptimalMemOpType(uint64_t Size,
unsigned DstAlign, unsigned SrcAlign,
- bool IsZeroVal,
+ bool IsMemset, bool ZeroMemset,
bool MemcpyStrSrc,
MachineFunction &MF) const;
+ using TargetLowering::isZExtFree;
+ virtual bool isZExtFree(SDValue Val, EVT VT2) const;
+
+ virtual bool allowTruncateForTailCall(Type *Ty1, Type *Ty2) const;
+
+
/// isLegalAddressingMode - Return true if the addressing mode represented
/// by AM is legal for this target, for a load/store of the specified type.
virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty)const;
std::pair<unsigned, const TargetRegisterClass*>
getRegForInlineAsmConstraint(const std::string &Constraint,
- EVT VT) const;
+ MVT VT) const;
/// LowerAsmOperandForConstraint - Lower the specified operand into the Ops
/// vector. If it is invalid, don't add anything to Ops. If hasMemory is
/// getRegClassFor - Return the register class that should be used for the
/// specified value type.
- virtual const TargetRegisterClass *getRegClassFor(EVT VT) const;
+ virtual const TargetRegisterClass *getRegClassFor(MVT VT) const;
/// getMaximalGlobalOffset - Returns the maximal possible offset which can
/// be used for loads / stores from the global.
virtual unsigned getMaximalGlobalOffset() const;
+ /// Returns true if a cast between SrcAS and DestAS is a noop.
+ virtual bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const {
+ // Addrspacecasts are always noops.
+ return true;
+ }
+
/// createFastISel - This method returns a target specific FastISel object,
/// or null if the target does not support "fast" ISel.
virtual FastISel *createFastISel(FunctionLoweringInfo &funcInfo,
virtual bool getTgtMemIntrinsic(IntrinsicInfo &Info,
const CallInst &I,
unsigned Intrinsic) const;
+
+ /// \brief Returns true if it is beneficial to convert a load of a constant
+ /// to just the constant itself.
+ virtual bool shouldConvertConstantLoadToIntImm(const APInt &Imm,
+ Type *Ty) const;
+
protected:
std::pair<const TargetRegisterClass*, uint8_t>
- findRepresentativeClass(EVT VT) const;
+ findRepresentativeClass(MVT VT) const;
private:
/// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
void addQRTypeForNEON(MVT VT);
typedef SmallVector<std::pair<unsigned, SDValue>, 8> RegsToPassVector;
- void PassF64ArgInRegs(DebugLoc dl, SelectionDAG &DAG,
+ void PassF64ArgInRegs(SDLoc dl, SelectionDAG &DAG,
SDValue Chain, SDValue &Arg,
RegsToPassVector &RegsToPass,
CCValAssign &VA, CCValAssign &NextVA,
SDValue &StackPtr,
- SmallVector<SDValue, 8> &MemOpChains,
+ SmallVectorImpl<SDValue> &MemOpChains,
ISD::ArgFlagsTy Flags) const;
SDValue GetF64FormalArgument(CCValAssign &VA, CCValAssign &NextVA,
SDValue &Root, SelectionDAG &DAG,
- DebugLoc dl) const;
+ SDLoc dl) const;
CCAssignFn *CCAssignFnForNode(CallingConv::ID CC, bool Return,
bool isVarArg) const;
SDValue LowerMemOpCallTo(SDValue Chain, SDValue StackPtr, SDValue Arg,
- DebugLoc dl, SelectionDAG &DAG,
+ SDLoc dl, SelectionDAG &DAG,
const CCValAssign &VA,
ISD::ArgFlagsTy Flags) const;
SDValue LowerEH_SJLJ_SETJMP(SDValue Op, SelectionDAG &DAG) const;
const ARMSubtarget *ST) const;
SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG,
const ARMSubtarget *ST) const;
+ SDValue LowerFSINCOS(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerDivRem(SDValue Op, SelectionDAG &DAG) const;
+
+ /// isFMAFasterThanFMulAndFAdd - Return true if an FMA operation is faster
+ /// than a pair of fmul and fadd instructions. fmuladd intrinsics will be
+ /// expanded to FMAs when this method returns true, otherwise fmuladd is
+ /// expanded to fmul + fadd.
+ ///
+ /// ARM supports both fused and unfused multiply-add operations; we already
+ /// lower a pair of fmul and fadd to the latter so it's not clear that there
+ /// would be a gain or that the gain would be worthwhile enough to risk
+ /// correctness bugs.
+ virtual bool isFMAFasterThanFMulAndFAdd(EVT VT) const { return false; }
SDValue ReconstructShuffle(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
- DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) const;
+ SDLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals,
+ bool isThisReturn, SDValue ThisVal) const;
virtual SDValue
LowerFormalArguments(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
- DebugLoc dl, SelectionDAG &DAG,
+ SDLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
+ int StoreByValRegs(CCState &CCInfo, SelectionDAG &DAG,
+ SDLoc dl, SDValue &Chain,
+ const Value *OrigArg,
+ unsigned InRegsParamRecordIdx,
+ unsigned OffsetFromOrigArg,
+ unsigned ArgOffset,
+ unsigned ArgSize,
+ bool ForceMutable) const;
+
void VarArgStyleRegisters(CCState &CCInfo, SelectionDAG &DAG,
- DebugLoc dl, SDValue &Chain,
- const Value *OrigArg,
- unsigned OffsetFromOrigArg,
+ SDLoc dl, SDValue &Chain,
unsigned ArgOffset,
- bool ForceMutable = false)
- const;
+ bool ForceMutable = false) const;
void computeRegArea(CCState &CCInfo, MachineFunction &MF,
- unsigned &VARegSize, unsigned &VARegSaveSize) const;
+ unsigned InRegsParamRecordIdx,
+ unsigned ArgSize,
+ unsigned &ArgRegsSize,
+ unsigned &ArgRegsSaveSize) const;
virtual SDValue
LowerCall(TargetLowering::CallLoweringInfo &CLI,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals,
- DebugLoc dl, SelectionDAG &DAG) const;
+ SDLoc dl, SelectionDAG &DAG) const;
virtual bool isUsedByReturnOnly(SDNode *N, SDValue &Chain) const;
virtual bool mayBeEmittedAsTailCall(CallInst *CI) const;
SDValue getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC,
- SDValue &ARMcc, SelectionDAG &DAG, DebugLoc dl) const;
+ SDValue &ARMcc, SelectionDAG &DAG, SDLoc dl) const;
SDValue getVFPCmp(SDValue LHS, SDValue RHS,
- SelectionDAG &DAG, DebugLoc dl) const;
+ SelectionDAG &DAG, SDLoc dl) const;
SDValue duplicateCmp(SDValue Cmp, SelectionDAG &DAG) const;
SDValue OptimizeVFPBrcond(SDValue Op, SelectionDAG &DAG) const;
unsigned Size,
bool signExtend,
ARMCC::CondCodes Cond) const;
+ MachineBasicBlock *EmitAtomicLoad64(MachineInstr *MI,
+ MachineBasicBlock *BB) const;
void SetupEntryBlockForSjLj(MachineInstr *MI,
MachineBasicBlock *MBB,
projects / oota-llvm.git / blobdiff