diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index cc00970569e..36d3fe1dd60 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -6592,7 +6592,6 @@ static bool getFauxShuffleMask(SDValue N, SmallVectorImpl<int> &Mask, case ISD::INSERT_SUBVECTOR: { // Handle INSERT_SUBVECTOR(SRC0, SHUFFLE(EXTRACT_SUBVECTOR(SRC1)) where // SRC0/SRC1 are both of the same valuetype VT. - // TODO - add peekThroughOneUseBitcasts support. SDValue Src = N.getOperand(0); SDValue Sub = N.getOperand(1); EVT SubVT = Sub.getValueType(); @@ -6602,8 +6601,10 @@ static bool getFauxShuffleMask(SDValue N, SmallVectorImpl<int> &Mask, return false; SmallVector<int, 64> SubMask; SmallVector<SDValue, 2> SubInputs; - if (!resolveTargetShuffleInputs(Sub, SubInputs, SubMask, DAG) || - SubMask.size() != NumSubElts) + if (!resolveTargetShuffleInputs(peekThroughOneUseBitcasts(Sub), SubInputs, + SubMask, DAG)) + return false; + if (SubMask.size() != NumSubElts) return false; Ops.push_back(Src); for (SDValue &SubInput : SubInputs) { |
