From 39fcc9a984e2820e4ea0fa2ac4abd17d9f3a31df Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 20 Feb 2011 13:06:31 +0000
Subject: Vendor import of clang trunk r126079:
 http://llvm.org/svn/llvm-project/cfe/trunk@126079

---
 test/CodeGen/transparent-union.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/CodeGen/transparent-union.c

(limited to 'test/CodeGen/transparent-union.c')

diff --git a/test/CodeGen/transparent-union.c b/test/CodeGen/transparent-union.c
new file mode 100644
index 0000000..97a7318
--- /dev/null
+++ b/test/CodeGen/transparent-union.c
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -Werror -triple i386-unknown-unknown -emit-llvm -o %t %s
+// RUN: FileCheck < %t %s
+//
+// FIXME: Note that we don't currently get the ABI right here. f0() should be
+// f0(i8*).
+
+typedef union {
+  void *f0;
+} transp_t0 __attribute__((transparent_union));
+
+void f0(transp_t0 obj);
+
+// CHECK: define void @f1_0(i32* %a0) 
+// CHECK:  call void @f0(%union.transp_t0* byval %{{.*}})
+// CHECK:  call void %{{.*}}(i8* %{{[a-z0-9]*}})
+// CHECK: }
+void f1_0(int *a0) {
+  void (*f0p)(void *) = f0;
+  f0(a0);
+  f0p(a0);
+}
+
+void f1_1(int *a0) {
+  f0((transp_t0) { a0 });
+}
-- 
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