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authorZhongxing Xu <xuzhongxing@gmail.com>2009-05-20 09:18:48 +0000
committerZhongxing Xu <xuzhongxing@gmail.com>2009-05-20 09:18:48 +0000
commit918441255162c1a1c77c13752aaa1a3c43ac2ab9 (patch)
treef1274af71224d46b41689afc680f587b75309840 /lib/Analysis/RegionStore.cpp
parent2acc3992b61e71d30653bf19be2479a78e4cd7a1 (diff)
Treat AllocaRegion as SymbolicRegion in RegionStore::Retrieve().
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72166 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/RegionStore.cpp')
-rw-r--r--lib/Analysis/RegionStore.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Analysis/RegionStore.cpp b/lib/Analysis/RegionStore.cpp
index be34bd57b8..02d3d1f885 100644
--- a/lib/Analysis/RegionStore.cpp
+++ b/lib/Analysis/RegionStore.cpp
@@ -705,10 +705,13 @@ SVal RegionStoreManager::Retrieve(const GRState* St, Loc L, QualType T) {
const MemRegion* MR = cast<loc::MemRegionVal>(L).getRegion();
- // We return unknown for symbolic region for now. This might be improved.
+ // FIXME: return symbolic value for these cases.
// Example:
// void f(int* p) { int x = *p; }
- if (isa<SymbolicRegion>(MR))
+ // char* p = alloca();
+ // read(p);
+ // c = *p;
+ if (isa<SymbolicRegion>(MR) || isa<AllocaRegion>(MR))
return UnknownVal();
// FIXME: Perhaps this method should just take a 'const MemRegion*' argument