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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGen/cleanup-stack.c
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
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;
+}