[llvm] b2f1932 - [X86] Use isOneConstant to simplify some code. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2019-12-29T16:53:38-08:00
New Revision: b2f19320dc1ca82acd3939b18c5c73ee8833b735

URL: https://github.com/llvm/llvm-project/commit/b2f19320dc1ca82acd3939b18c5c73ee8833b735
DIFF: https://github.com/llvm/llvm-project/commit/b2f19320dc1ca82acd3939b18c5c73ee8833b735.diff

LOG: [X86] Use isOneConstant to simplify some code. NFC

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86ISelLowering.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 65c8b02289e5..ff15c2b396b1 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -42496,8 +42496,7 @@ static SDValue foldXor1SetCC(SDNode *N, SelectionDAG &DAG) {
     return SDValue();
 
   SDValue LHS = N->getOperand(0);
-  auto *RHSC = dyn_cast<ConstantSDNode>(N->getOperand(1));
-  if (!RHSC || RHSC->getZExtValue() != 1 || LHS->getOpcode() != X86ISD::SETCC)
+  if (!OneConstant(N->getOperand(1)) || LHS->getOpcode() != X86ISD::SETCC)
     return SDValue();
 
   X86::CondCode NewCC = X86::GetOppositeBranchCondition(