Fix uninitialized variable warning.
Also move 'default' case next to a real case to help compiler optimize in
non-Debug builds.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110435 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LowerAtomic.cpp b/lib/Transforms/Scalar/LowerAtomic.cpp
index 11f5257..6184da2 100644
--- a/lib/Transforms/Scalar/LowerAtomic.cpp
+++ b/lib/Transforms/Scalar/LowerAtomic.cpp
@@ -52,8 +52,9 @@
Value *Delta = CI->getArgOperand(1);
LoadInst *Orig = Builder.CreateLoad(Ptr);
- Value *Res;
+ Value *Res = NULL;
switch (IID) {
+ default: assert(0 && "Unrecognized atomic modify operation");
case Intrinsic::atomic_load_add:
Res = Builder.CreateAdd(Orig, Delta);
break;
@@ -92,7 +93,6 @@
Orig,
Delta);
break;
- default: assert(0 && "Unrecognized atomic modify operation");
}
Builder.CreateStore(Res, Ptr);