From: Nick Lewycky <nicholas@mxc.ca>
Date: Fri, 6 Aug 2010 07:43:46 +0000 (+0000)
Subject: Fix uninitialized variable warning.
X-Git-Tag: android-x86-6.0-r1~1003^2~3875
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=e52e9d60456073dddd691ae94c09b790f4bc26d5;p=android-x86%2Fexternal-llvm.git

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 11f52570e18..6184da20afc 100644
--- a/lib/Transforms/Scalar/LowerAtomic.cpp
+++ b/lib/Transforms/Scalar/LowerAtomic.cpp
@@ -52,8 +52,9 @@ bool LowerAtomicIntrinsic(CallInst *CI) {
     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 @@ bool LowerAtomicIntrinsic(CallInst *CI) {
                                    Orig,
                                    Delta);
         break;
-      default: assert(0 && "Unrecognized atomic modify operation");
     }
     Builder.CreateStore(Res, Ptr);