diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 9ba8f1e8e01..1c488ae0dda 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -26150,10 +26150,10 @@ static SDValue combineSelect(SDNode *N, SelectionDAG &DAG, // where Op could be BRCOND or CMOV. // static SDValue checkBoolTestSetCCCombine(SDValue Cmp, X86::CondCode &CC) { - // Quit if not CMP and SUB with its value result used. - if (Cmp.getOpcode() != X86ISD::CMP && - (Cmp.getOpcode() != X86ISD::SUB || Cmp.getNode()->hasAnyUseOfValue(0))) - return SDValue(); + // This combine only operates on CMP-like nodes. + if (!(Cmp.getOpcode() == X86ISD::CMP || + (Cmp.getOpcode() == X86ISD::SUB && !Cmp->hasAnyUseOfValue(0)))) + return SDValue(); // Quit if not used as a boolean value. if (CC != X86::COND_E && CC != X86::COND_NE) |
