add support for tying asm operands where the result is smaller than

the input.  This is part of PR3373.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70677 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 1 deletions

diff --git a/test/CodeGen/asm.c b/test/CodeGen/asm.c
index 92ba31baa5..d7309149eb 100644
--- a/test/CodeGen/asm.c
+++ b/test/CodeGen/asm.c
@@ -60,7 +60,14 @@ unsigned t11(signed char input) {
   return output;
 }
 
-
+// PR3373
+unsigned char t12(unsigned input) {
+  unsigned char output;
+  __asm__("xyz"
+          : "=a" (output)
+          : "0" (input));
+  return output;
+}
 
 
 struct S {