#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 "llvm/Target/TargetTransformImpl.h"
#include <vector>
namespace llvm {
ATOMAND64_DAG,
ATOMNAND64_DAG,
ATOMSWAP64_DAG,
- ATOMCMPXCHG64_DAG
+ ATOMCMPXCHG64_DAG,
+ ATOMMIN64_DAG,
+ ATOMUMIN64_DAG,
+ ATOMMAX64_DAG,
+ ATOMUMAX64_DAG
};
}
public:
explicit ARMTargetLowering(TargetMachine &TM);
- virtual unsigned getJumpTableEncoding(void) const;
+ virtual unsigned getJumpTableEncoding() const;
virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
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, 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;
+
/// 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;
/// 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.
unsigned Intrinsic) 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
DebugLoc dl, SDValue &Chain,
const Value *OrigArg,
unsigned OffsetFromOrigArg,
- unsigned ArgOffset)
+ unsigned ArgOffset,
+ bool ForceMutable = false)
const;
void computeRegArea(CCState &CCInfo, MachineFunction &MF,
SmallVectorImpl<SDValue> &InVals) const;
/// HandleByVal - Target-specific cleanup for ByVal support.
- virtual void HandleByVal(CCState *, unsigned &) const;
+ virtual void HandleByVal(CCState *, unsigned &, unsigned) const;
/// IsEligibleForTailCallOptimization - Check whether the call is eligible
/// for tail call optimization. Targets which want to do tail call
const SmallVectorImpl<SDValue> &OutVals,
const SmallVectorImpl<ISD::InputArg> &Ins,
SelectionDAG& DAG) const;
+
+ virtual bool CanLowerReturn(CallingConv::ID CallConv,
+ MachineFunction &MF, bool isVarArg,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ LLVMContext &Context) const;
+
virtual SDValue
LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
unsigned Op1,
unsigned Op2,
bool NeedsCarry = false,
- bool IsCmpxchg = false) const;
+ bool IsCmpxchg = false,
+ bool IsMinMax = false,
+ ARMCC::CondCodes CC = ARMCC::AL) const;
MachineBasicBlock * EmitAtomicBinaryMinMax(MachineInstr *MI,
MachineBasicBlock *BB,
unsigned Size,
FastISel *createFastISel(FunctionLoweringInfo &funcInfo,
const TargetLibraryInfo *libInfo);
}
+
+ class ARMScalarTargetTransformImpl : public ScalarTargetTransformImpl {
+ const ARMSubtarget *Subtarget;
+ public:
+ explicit ARMScalarTargetTransformImpl(const TargetLowering *TL) :
+ ScalarTargetTransformImpl(TL),
+ Subtarget(&TL->getTargetMachine().getSubtarget<ARMSubtarget>()) {};
+
+ virtual unsigned getIntImmCost(const APInt &Imm, Type *Ty) const;
+ };
}
#endif // ARMISELLOWERING_H