When defining a function whose type has no prototype, make an effort

to go back and clean up existing uses of the bitcasted function.  This
is not just an optimization: it is required for correctness to get
always inline functions to work, see testcases in function-attributes.c.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70971 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 0 deletions

diff --git a/test/CodeGen/function-attributes.c b/test/CodeGen/function-attributes.c
index b1209766d8..ba2e4e4d56 100644
--- a/test/CodeGen/function-attributes.c
+++ b/test/CodeGen/function-attributes.c
@@ -47,4 +47,23 @@ int f12(int arg) {
 void f13(void) __attribute__((pure)) __attribute__((const));
 void f13(void){}
 
+
+// Ensure that these get inlined: rdar://6853279
+// RUN: not grep '@ai_' %t &&
+static __inline__ __attribute__((always_inline))
+int ai_1() {  return 4; }
+
+static __inline__ __attribute__((always_inline))
+struct {
+  int a, b, c, d, e;
+} ai_2() { }
+
+
+int foo() {
+  ai_2();
+  return ai_1();
+}
+
+
+
 // RUN: true