Enhance SVals::getAsRegion: get the region that is converted to an integer.

This with previous patch fixes a OSAtomic test case.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93146 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Analysis/SVals.cpp b/lib/Analysis/SVals.cpp
index 9163b27252..fbdb73b0ef 100644
--- a/lib/Analysis/SVals.cpp
+++ b/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;
 }