[llvm] r315589 - [x86] replace isEqualTo with == for efficiency

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Thu Oct 12 09:15:38 2017
New Revision: 315589

URL: http://llvm.org/viewvc/llvm-project?rev=315589&view=rev
Log:
[x86] replace isEqualTo with == for efficiency

This is a follow-up suggested in D37534.
Patch by Yulia Koval.

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

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=315589&r1=315588&r2=315589&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Thu Oct 12 09:15:38 2017
@@ -35916,9 +35916,9 @@ static SDValue combineSubToSubus(SDNode
     SubusRHS = Op1;
     SDValue MaxLHS = Op0.getOperand(0);
     SDValue MaxRHS = Op0.getOperand(1);
-    if (DAG.isEqualTo(MaxLHS, Op1))
+    if (MaxLHS == Op1)
       SubusLHS = MaxRHS;
-    else if (DAG.isEqualTo(MaxRHS, Op1))
+    else if (MaxRHS == Op1)
       SubusLHS = MaxLHS;
     else
       return SDValue();
@@ -35926,9 +35926,9 @@ static SDValue combineSubToSubus(SDNode
     SubusLHS = Op0;
     SDValue MinLHS = Op1.getOperand(0);
     SDValue MinRHS = Op1.getOperand(1);
-    if (DAG.isEqualTo(MinLHS, Op0))
+    if (MinLHS == Op0)
       SubusRHS = MinRHS;
-    else if (DAG.isEqualTo(MinRHS, Op0))
+    else if (MinRHS == Op0)
       SubusRHS = MinLHS;
     else
       return SDValue();