diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 44e3f18c401..7d16dd9b623 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -28433,18 +28433,13 @@ static SDValue XFormVExtractWithShuffleIntoLoad(SDNode *N, SelectionDAG &DAG, EVT OriginalVT = InVec.getValueType(); - if (InVec.getOpcode() == ISD::BITCAST) { - // Don't duplicate a load with other uses. - if (!InVec.hasOneUse()) - return SDValue(); - EVT BCVT = InVec.getOperand(0).getValueType(); - if (!BCVT.isVector() || - BCVT.getVectorNumElements() != OriginalVT.getVectorNumElements()) - return SDValue(); - InVec = InVec.getOperand(0); - } + // Peek through bitcasts, don't duplicate a load with other uses. + InVec = peekThroughOneUseBitcasts(InVec); EVT CurrentVT = InVec.getValueType(); + if (!CurrentVT.isVector() || + CurrentVT.getVectorNumElements() != OriginalVT.getVectorNumElements()) + return SDValue(); if (!isTargetShuffle(InVec.getOpcode())) return SDValue(); |

