diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index dde5a4f3926..098b9826374 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -25322,8 +25322,7 @@ static bool combineX86ShufflesRecursively(SDValue Op, SDValue Root, return false; // Directly rip through bitcasts to find the underlying operand. - while (Op.getOpcode() == ISD::BITCAST && Op.getOperand(0).hasOneUse()) - Op = Op.getOperand(0); + Op = peekThroughOneUseBitcasts(Op); MVT VT = Op.getSimpleValueType(); if (!VT.isVector()) @@ -25923,9 +25922,7 @@ static SDValue combineTargetShuffle(SDValue N, SelectionDAG &DAG, V.getOpcode() == X86ISD::PSHUFHW) && V.getOpcode() != N.getOpcode() && V.hasOneUse()) { - SDValue D = V.getOperand(0); - while (D.getOpcode() == ISD::BITCAST && D.hasOneUse()) - D = D.getOperand(0); + SDValue D = peekThroughOneUseBitcasts(V.getOperand(0)); if (D.getOpcode() == X86ISD::PSHUFD && D.hasOneUse()) { SmallVector<int, 4> VMask = getPSHUFShuffleMask(V); SmallVector<int, 4> DMask = getPSHUFShuffleMask(D); |
