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[TargetLowering] isVectorClearMaskLegal - use ArrayRef<int> instead of const SmallVectorImpl<int>&

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This is more generic and matches isShuffleMaskLegal.

Differential Revision: https://reviews.llvm.org/D48591

llvm-svn: 335605
This commit is contained in:
Simon Pilgrim
2018-06-26 14:15:31 +00:00
parent 3190993a02
commit aa2bf2be31
3 changed files with 10 additions and 12 deletions
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8
llvm/include/llvm/CodeGen/TargetLowering.h
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@@ -748,10 +748,10 @@ public:
/// operations don't trap except for integer divide and remainder.
virtual bool canOpTrap(unsigned Op, EVT VT) const;
/// 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(const SmallVectorImpl<int> &/*Mask*/,
/// Similar to isShuffleMaskLegal. 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(ArrayRef<int> /*Mask*/,
EVT /*VT*/) const {
return false;
}

5
llvm/lib/Target/X86/X86ISelLowering.cpp
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@@ -26331,9 +26331,8 @@ bool X86TargetLowering::isShuffleMaskLegal(ArrayRef<int> M, EVT VT) const {
return isTypeLegal(VT.getSimpleVT());
}
bool
X86TargetLowering::isVectorClearMaskLegal(const SmallVectorImpl<int> &Mask,
EVT VT) const {
bool X86TargetLowering::isVectorClearMaskLegal(ArrayRef<int> Mask,
EVT VT) const {
// Don't convert an 'and' into a shuffle that we don't directly support.
// vpblendw and vpshufb for 256-bit vectors are not available on AVX1.
if (!Subtarget.hasAVX2())

9
llvm/lib/Target/X86/X86ISelLowering.h
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@@ -993,11 +993,10 @@ namespace llvm {
/// be legal.
bool isShuffleMaskLegal(ArrayRef<int> Mask, EVT VT) const override;
/// 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.
bool isVectorClearMaskLegal(const SmallVectorImpl<int> &Mask,
EVT VT) const override;
/// Similar to isShuffleMaskLegal. 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.
bool isVectorClearMaskLegal(ArrayRef<int> Mask, EVT VT) const override;
/// Returns true if lowering to a jump table is allowed.
bool areJTsAllowed(const Function *Fn) const override;