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-rw-r--r--clang/test/CodeGen/2008-07-30-implicit-initialization.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/clang/test/CodeGen/2008-07-30-implicit-initialization.c b/clang/test/CodeGen/2008-07-30-implicit-initialization.c
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index 0000000..8c719bb
--- /dev/null
+++ b/clang/test/CodeGen/2008-07-30-implicit-initialization.c
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm-bc -o - %s | opt --std-compile-opts | llvm-dis > %t
+// RUN: grep "ret i32" %t | count 2
+// RUN: grep "ret i32 0" %t | count 2
+// <rdar://problem/6113085>
+
+struct s0 {
+ int x, y;
+};
+
+int f0() {
+ struct s0 x = {0};
+ return x.y;
+}
+
+#if 0
+/* Optimizer isn't smart enough to reduce this since we use
+ memset. Hrm. */
+int f1() {
+ struct s0 x[2] = { {0} };
+ return x[1].x;
+}
+#endif
+
+int f2() {
+ int x[2] = { 0 };
+ return x[1];
+}
+