diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelDAGToDAG.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp index 5313fc68b91..95442c00ba6 100644 --- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -3080,8 +3080,7 @@ void X86DAGToDAGISel::Select(SDNode *Node) { // Look for (X86cmp (and $op, $imm), 0) and see if we can convert it to // use a smaller encoding. // Look past the truncate if CMP is the only use of it. - if ((N0.getOpcode() == ISD::AND || - (N0.getResNo() == 0 && N0.getOpcode() == X86ISD::AND)) && + if (N0.getOpcode() == ISD::AND && N0.getNode()->hasOneUse() && N0.getValueType() != MVT::i8 && X86::isZeroNode(N1)) { |
