Migrate most of the rest of test/FrontendC from llvm and migrate
most of them to FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136159 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/2009-02-13-zerosize-union-field.c b/test/CodeGen/2009-02-13-zerosize-union-field.c
new file mode 100644
index 0000000..b39a231
--- /dev/null
+++ b/test/CodeGen/2009-02-13-zerosize-union-field.c
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 %s -triple i686-apple-darwin -emit-llvm -o - | FileCheck %s
+// Every printf has 'i32 0' for the GEP of the string; no point counting those.
+typedef unsigned int Foo __attribute__((aligned(32)));
+typedef union{Foo:0;}a;
+typedef union{int x; Foo:0;}b;
+extern int printf(const char*, ...);
+int main() {
+ // CHECK: getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 0
+ printf("%ld\n", sizeof(a));
+ // CHECK: getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 1
+ printf("%ld\n", __alignof__(a));
+ // CHECK: getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 4
+ printf("%ld\n", sizeof(b));
+ // CHECK: getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 4
+ printf("%ld\n", __alignof__(b));
+}