Let the fallthrough handle whether or not we've changed anything
before we try to optimize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97876 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp
index e57ab58..e2b7d3d 100644
--- a/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -948,7 +948,9 @@
// delete the instruction now.
if (CallInst *CI = dyn_cast<CallInst>(CS.getInstruction())) {
Instruction *I = tryOptimizeCall(CI, TD);
- return I ? EraseInstFromFunction(*I): 0;
+ // If we changed something return the result, etc. Otherwise let
+ // the fallthrough check.
+ if (I) return EraseInstFromFunction(*I);
}
return Changed ? CS.getInstruction() : 0;