SelectIsExpensive = false;
HasMultipleConditionRegisters = false;
HasExtractBitsInsn = false;
- IntDivIsCheap = false;
FsqrtIsCheap = false;
- Pow2SDivIsCheap = false;
JumpIsExpensive = JumpIsExpensiveOverride;
PredictableSelectIsExpensive = false;
MaskAndBranchFoldingIsLegal = false;
setOperationAction(ISD::CONCAT_VECTORS, VT, Expand);
setOperationAction(ISD::FMINNUM, VT, Expand);
setOperationAction(ISD::FMAXNUM, VT, Expand);
+ setOperationAction(ISD::FMINNAN, VT, Expand);
+ setOperationAction(ISD::FMAXNAN, VT, Expand);
setOperationAction(ISD::FMAD, VT, Expand);
setOperationAction(ISD::SMIN, VT, Expand);
setOperationAction(ISD::SMAX, VT, Expand);
setOperationAction(ISD::USUBO, VT, Expand);
setOperationAction(ISD::SMULO, VT, Expand);
setOperationAction(ISD::UMULO, VT, Expand);
+ setOperationAction(ISD::UABSDIFF, VT, Expand);
+ setOperationAction(ISD::SABSDIFF, VT, Expand);
// These library functions default to expand.
setOperationAction(ISD::FROUND, VT, Expand);
// Most targets ignore the @llvm.prefetch intrinsic.
setOperationAction(ISD::PREFETCH, MVT::Other, Expand);
+ // Most targets also ignore the @llvm.readcyclecounter intrinsic.
+ setOperationAction(ISD::READCYCLECOUNTER, MVT::i64, Expand);
+
// ConstantFP nodes default to expand. Targets can either change this to
// Legal, in which case all fp constants are legal, or use isFPImmLegal()
// to optimize expansions for certain constants.
setOperationAction(ISD::DEBUGTRAP, MVT::Other, Expand);
}
-MVT TargetLoweringBase::getScalarShiftAmountTy(const DataLayout &DL) const {
+MVT TargetLoweringBase::getScalarShiftAmountTy(const DataLayout &DL,
+ EVT) const {
return MVT::getIntegerVT(8 * DL.getPointerSize(0));
}
assert(LHSTy.isInteger() && "Shift amount is not an integer type!");
if (LHSTy.isVector())
return LHSTy;
- return getScalarShiftAmountTy(DL);
+ return getScalarShiftAmountTy(DL, LHSTy);
}
/// canOpTrap - Returns true if the operation can trap for the value type.
Flags |= MachineMemOperand::MOVolatile;
}
MachineMemOperand *MMO = MF.getMachineMemOperand(
- MachinePointerInfo::getFixedStack(FI), Flags,
- TM.getDataLayout()->getPointerSize(), MFI.getObjectAlignment(FI));
+ MachinePointerInfo::getFixedStack(MF, FI), Flags,
+ MF.getDataLayout().getPointerSize(), MFI.getObjectAlignment(FI));
MIB->addMemOperand(MF, MMO);
// Replace the instruction and update the operand index.
/// getByValTypeAlignment - Return the desired alignment for ByVal aggregate
/// function arguments in the caller parameter area. This is the actual
/// alignment, not its logarithm.
-unsigned TargetLoweringBase::getByValTypeAlignment(Type *Ty) const {
- return getDataLayout()->getABITypeAlignment(Ty);
+unsigned TargetLoweringBase::getByValTypeAlignment(Type *Ty,
+ const DataLayout &DL) const {
+ return DL.getABITypeAlignment(Ty);
}
+bool TargetLoweringBase::allowsMemoryAccess(LLVMContext &Context,
+ const DataLayout &DL, EVT VT,
+ unsigned AddrSpace,
+ unsigned Alignment,
+ bool *Fast) const {
+ // Check if the specified alignment is sufficient based on the data layout.
+ // TODO: While using the data layout works in practice, a better solution
+ // would be to implement this check directly (make this a virtual function).
+ // For example, the ABI alignment may change based on software platform while
+ // this function should only be affected by hardware implementation.
+ Type *Ty = VT.getTypeForEVT(Context);
+ if (Alignment >= DL.getABITypeAlignment(Ty)) {
+ // Assume that an access that meets the ABI-specified alignment is fast.
+ if (Fast != nullptr)
+ *Fast = true;
+ return true;
+ }
+
+ // This is a misaligned access.
+ return allowsMisalignedMemoryAccesses(VT, AddrSpace, Alignment, Fast);
+}
+
+
//===----------------------------------------------------------------------===//
// TargetTransformInfo Helpers
//===----------------------------------------------------------------------===//
case Invoke: return 0;
case Resume: return 0;
case Unreachable: return 0;
+ case CleanupEndPad: return 0;
+ case CleanupRet: return 0;
+ case CatchEndPad: return 0;
+ case CatchRet: return 0;
+ case CatchPad: return 0;
+ case TerminatePad: return 0;
+ case CleanupPad: return 0;
case Add: return ISD::ADD;
case FAdd: return ISD::FADD;
case Sub: return ISD::SUB;
llvm_unreachable("Unknown instruction type encountered!");
}
-std::pair<unsigned, MVT>
+std::pair<int, MVT>
TargetLoweringBase::getTypeLegalizationCost(const DataLayout &DL,
Type *Ty) const {
LLVMContext &C = Ty->getContext();
EVT MTy = getValueType(DL, Ty);
- unsigned Cost = 1;
+ int Cost = 1;
// We keep legalizing the type until we find a legal kind. We assume that
// the only operation that costs anything is the split. After splitting
// we need to handle two types.
/// isLegalAddressingMode - Return true if the addressing mode represented
/// by AM is legal for this target, for a load/store of the specified type.
-bool TargetLoweringBase::isLegalAddressingMode(const AddrMode &AM,
- Type *Ty,
+bool TargetLoweringBase::isLegalAddressingMode(const DataLayout &DL,
+ const AddrMode &AM, Type *Ty,
unsigned AS) const {
// The default implementation of this implements a conservative RISCy, r+r and
// r+i addr mode.