summaryrefslogtreecommitdiff
path: root/clang/test/CodeGen/cleanup-stack.c
diff options
context:
space:
mode:
Diffstat (limited to 'clang/test/CodeGen/cleanup-stack.c')
-rw-r--r--clang/test/CodeGen/cleanup-stack.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/clang/test/CodeGen/cleanup-stack.c b/clang/test/CodeGen/cleanup-stack.c
new file mode 100644
index 0000000..72a1a6c
--- /dev/null
+++ b/clang/test/CodeGen/cleanup-stack.c
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -triple i386-unknown-unknown -O3 -emit-llvm %s -o %t
+// RUN: grep "ret i32 9" %t
+
+struct s0 {
+ int *var;
+ int addend;
+};
+
+static void f0(struct s0 *p) {
+ *p->var += p->addend;
+}
+
+int f1(void) {
+ int var = 0;
+
+ {
+ struct s0 x __attribute__((cleanup(f0))) = { &var, 2 };
+ struct s0 y __attribute__((cleanup(f0))) = { &var, 3 };
+ {
+ struct s0 y __attribute__((cleanup(f0))) = { &var, 4 };
+ }
+ }
+
+ return var;
+}