From cbbf85543283e66935edaee86a7d9e929a8bd0b2 Mon Sep 17 00:00:00 2001
From: Zhongxing Xu <xuzhongxing@gmail.com>
Date: Mon, 11 Jan 2010 06:52:53 +0000
Subject: Enhance SVals::getAsRegion: get the region that is converted to an
 integer. This with previous patch fixes a OSAtomic test case.

llvm-svn: 93146
---
 clang/lib/Analysis/SVals.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'clang/lib')

diff --git a/clang/lib/Analysis/SVals.cpp b/clang/lib/Analysis/SVals.cpp
index 9163b272527..fbdb73b0ef2 100644
--- a/clang/lib/Analysis/SVals.cpp
+++ b/clang/lib/Analysis/SVals.cpp
@@ -97,6 +97,10 @@ const MemRegion *SVal::getAsRegion() const {
   if (const loc::MemRegionVal *X = dyn_cast<loc::MemRegionVal>(this))
     return X->getRegion();
 
+  if (const nonloc::LocAsInteger *X = dyn_cast<nonloc::LocAsInteger>(this)) {
+    return X->getLoc().getAsRegion();
+  }
+
   return 0;
 }
 
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