summaryrefslogtreecommitdiffstats
path: root/test/CodeGen/sanitize-use-after-scope.c
diff options
context:
space:
mode:
authordim <dim@FreeBSD.org>2013-04-08 18:45:10 +0000
committerdim <dim@FreeBSD.org>2013-04-08 18:45:10 +0000
commitc72c57c9e9b69944e3e009cd5e209634839581d3 (patch)
tree4fc2f184c499d106f29a386c452b49e5197bf63d /test/CodeGen/sanitize-use-after-scope.c
parent5b20025c30d23d521e12c1f33ec8fa6b821952cd (diff)
downloadFreeBSD-src-c72c57c9e9b69944e3e009cd5e209634839581d3.zip
FreeBSD-src-c72c57c9e9b69944e3e009cd5e209634839581d3.tar.gz
Vendor import of clang trunk r178860:
http://llvm.org/svn/llvm-project/cfe/trunk@178860
Diffstat (limited to 'test/CodeGen/sanitize-use-after-scope.c')
-rw-r--r--test/CodeGen/sanitize-use-after-scope.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/sanitize-use-after-scope.c b/test/CodeGen/sanitize-use-after-scope.c
new file mode 100644
index 0000000..8f92038
--- /dev/null
+++ b/test/CodeGen/sanitize-use-after-scope.c
@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 -S -emit-llvm -o - -fsanitize=address,use-after-scope %s \
+// RUN: | FileCheck %s -check-prefix=USE-AFTER-SCOPE
+// RUN: %clang_cc1 -S -emit-llvm -o - -fsanitize=address %s \
+// RUN: | FileCheck %s -check-prefix=ADDRESS-ONLY
+
+extern int bar(char *A, int n);
+
+// ADDRESS-ONLY-NOT: @llvm.lifetime.start
+int foo (int n) {
+ if (n) {
+ // USE-AFTER-SCOPE: @llvm.lifetime.start(i64 10, i8* {{.*}})
+ char A[10];
+ return bar(A, 1);
+ // USE-AFTER-SCOPE: @llvm.lifetime.end(i64 10, i8* {{.*}})
+ } else {
+ // USE-AFTER-SCOPE: @llvm.lifetime.start(i64 20, i8* {{.*}})
+ char A[20];
+ return bar(A, 2);
+ // USE-AFTER-SCOPE: @llvm.lifetime.end(i64 20, i8* {{.*}})
+ }
+}
+
OpenPOWER on IntegriCloud