summaryrefslogtreecommitdiffstats
path: root/clang/lib/Checker
diff options
context:
space:
mode:
authorZhongxing Xu <xuzhongxing@gmail.com>2010-03-23 08:09:29 +0000
committerZhongxing Xu <xuzhongxing@gmail.com>2010-03-23 08:09:29 +0000
commitbf2f0d74a20607a06e27be41262d2273b5594935 (patch)
tree22a833d818a38d3dd03032afccf8f1750930afcc /clang/lib/Checker
parent1ff3dcef1ff46c3fae68b6ad717797ae107f8683 (diff)
downloadbcm5719-llvm-bf2f0d74a20607a06e27be41262d2273b5594935.tar.gz
bcm5719-llvm-bf2f0d74a20607a06e27be41262d2273b5594935.zip
Clear the return expr GDM after using it.
llvm-svn: 99268
Diffstat (limited to 'clang/lib/Checker')
-rw-r--r--clang/lib/Checker/GRExprEngine.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/Checker/GRExprEngine.cpp b/clang/lib/Checker/GRExprEngine.cpp
index 553f949d87c..8ed57e70934 100644
--- a/clang/lib/Checker/GRExprEngine.cpp
+++ b/clang/lib/Checker/GRExprEngine.cpp
@@ -1329,6 +1329,8 @@ void GRExprEngine::ProcessCallExit(GRCallExitNodeBuilder &B) {
if (ReturnedExpr) {
SVal RetVal = state->getSVal(ReturnedExpr);
state = state->BindExpr(CE, RetVal);
+ // Clear the return expr GDM.
+ state = state->set<ReturnExpr>(0);
}
B.GenerateNode(state);
@@ -2909,7 +2911,8 @@ void GRExprEngine::VisitReturnStmt(ReturnStmt *RS, ExplodedNode *Pred,
ExplodedNodeSet &Dst) {
ExplodedNodeSet Src;
if (Expr *RetE = RS->getRetValue()) {
- // Record the returned expression in the state.
+ // Record the returned expression in the state. It will be used in
+ // ProcessCallExit to bind the return value to the call expr.
{
static int Tag = 0;
SaveAndRestore<const void *> OldTag(Builder->Tag, &Tag);
OpenPOWER on IntegriCloud