Add implicit definition of objc_msgSend.

 - As with malloc and friends, this is important where the return type
   on a 64-bit platform would otherwise end up discarding the upper
   32-bits.

llvm-svn: 69874

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/test/CodeGenObjC/implicit-objc_msgSend.m b/clang/test/CodeGenObjC/implicit-objc_msgSend.m
new file mode 100644
index 00000000000..4511cca338b
--- /dev/null
+++ b/clang/test/CodeGenObjC/implicit-objc_msgSend.m
@@ -0,0 +1,7 @@
+// RUN: clang-cc -triple x86_64-apple-darwin9 -emit-llvm -o %t %s &&
+// RUN: grep -F 'declare i8* @objc_msgSend(...)' %t
+
+typedef struct objc_selector *SEL;
+id f0(id x, SEL s) {
+  return objc_msgSend(x, s);
+}