1 files changed, 0 insertions, 14 deletions
diff --git a/lib/Transforms/Utils/SimplifyLibCalls.cpp b/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 49effda5d833..cc6c47e8f978 100644
--- a/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -85,20 +85,6 @@ static bool isCallingConvCCompatible(CallInst *CI) {
   return false;
 }
 
-/// Return true if it only matters that the value is equal or not-equal to zero.
-static bool isOnlyUsedInZeroEqualityComparison(Value *V) {
-  for (User *U : V->users()) {
-    if (ICmpInst *IC = dyn_cast<ICmpInst>(U))
-      if (IC->isEquality())
-        if (Constant *C = dyn_cast<Constant>(IC->getOperand(1)))
-          if (C->isNullValue())
-            continue;
-    // Unknown instruction.
-    return false;
-  }
-  return true;
-}
-
 /// Return true if it is only used in equality comparisons with With.
 static bool isOnlyUsedInEqualityComparison(Value *V, Value *With) {
   for (User *U : V->users()) {