diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index e15acc7d993..9c03f583be7 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -41023,11 +41023,9 @@ static SDValue combineAndnp(SDNode *N, SelectionDAG &DAG, return DAG.getConstant(0, SDLoc(N), VT); // Turn ANDNP back to AND if input is inverted. - if (VT.isVector() && N->getOperand(0).getOpcode() == ISD::XOR && - ISD::isBuildVectorAllOnes(N->getOperand(0).getOperand(1).getNode())) { - return DAG.getNode(ISD::AND, SDLoc(N), VT, - N->getOperand(0).getOperand(0), N->getOperand(1)); - } + if (SDValue Not = IsNOT(N->getOperand(0), DAG)) + return DAG.getNode(ISD::AND, SDLoc(N), VT, DAG.getBitcast(VT, Not), + N->getOperand(1)); // Attempt to recursively combine a bitmask ANDNP with shuffles. if (VT.isVector() && (VT.getScalarSizeInBits() % 8) == 0) { |
