[Constants] Replace calls to ConstantInt::equalsInt(0)/equalsInt(1) with isZero and isOne. NFCI

llvm-svn: 307293
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
index 67e5e9c..4e957f3 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -860,7 +860,7 @@
   }
 
   // Constant Fold - extraction from zero is always {zero, undef}.
-  if (CI0 && CI0->equalsInt(0))
+  if (CI0 && CI0->isZero())
     return LowConstantHighUndef(0);
 
   return nullptr;