implement support for asm outputs targetting non-simple lvalue destinations

like bitfields.  incidentally llvm-gcc crashes on this sort of thing also. :)

llvm-svn: 70675

1 files changed, 11 insertions, 0 deletions

diff --git a/clang/test/CodeGen/asm.c b/clang/test/CodeGen/asm.c
index 757a2740a7d..0e9c7b243fc 100644
--- a/clang/test/CodeGen/asm.c
+++ b/clang/test/CodeGen/asm.c
@@ -59,3 +59,14 @@ unsigned t11(signed char input) {
           : "0" (input));
   return output;
 }
+
+
+
+
+struct S {
+  int a : 4;
+};
+
+void test13(struct S *P) {
+  __asm__("abc %0" : "=r"(P->a) );
+}