fix several problems with asm renaming, by pulling it into the mangling code:

1. it wasn't applying to definitions, only declarations, e.g. int x __asm("foo")
2. multiple definitions were conflicting, they weren't getting merged.
3. the code was duplicated in several places.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67442 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 20 insertions, 1 deletions

diff --git a/test/CodeGen/mangle.c b/test/CodeGen/mangle.c
index fbee4122d1..cdcce751cb 100644
--- a/test/CodeGen/mangle.c
+++ b/test/CodeGen/mangle.c
@@ -1,9 +1,28 @@
 // RUN: clang -arch i386 -emit-llvm -o %t %s &&
 // RUN: grep '@_Z2f0i' %t &&
-// RUN: grep '@_Z2f0l' %t
+// RUN: grep '@_Z2f0l' %t &&
 
 // Make sure we mangle overloadable, even in C system headers.
 
 # 1 "somesystemheader.h" 1 3 4
 void __attribute__((__overloadable__)) f0(int a) {}
 void __attribute__((__overloadable__)) f0(long b) {}
+
+
+
+// These should get merged.
+void foo() __asm__("bar");
+void foo2() __asm__("bar");
+
+// RUN: grep '@"\\01foo"' %t &&
+// RUN: grep '@"\\01bar"' %t
+
+int nux __asm__("foo");
+extern float nux2 __asm__("foo");
+
+int test() { 
+  foo();
+  foo2();
+  
+  return nux + nux2;
+}