If an input constraint refers to an output constraint, it should have the same constraint info as the output constraint. Fixes PR3417

llvm-svn: 63127

2 files changed, 6 insertions, 5 deletions

diff --git a/clang/test/CodeGen/asm.c b/clang/test/CodeGen/asm.c
index 4ef97bde2ad..26aa3bd61b3 100644
--- a/clang/test/CodeGen/asm.c
+++ b/clang/test/CodeGen/asm.c
@@ -22,7 +22,8 @@ void t4()
 	__asm__ volatile ("":: "m"(a), "m"(b));
 }
 
-
-
-
-
+// PR3417
+void t5(int i)
+{
+  asm("nop" : "=r"(i) : "0"(t5));
+}
diff --git a/clang/test/Sema/asm.c b/clang/test/Sema/asm.c
index fa9b125b6dd..3acb58a015a 100644
--- a/clang/test/Sema/asm.c
+++ b/clang/test/Sema/asm.c
@@ -59,4 +59,4 @@ void test5()
 void test6(long i)
 {
   asm("nop" : : "er"(i));
-}
\ No newline at end of file
+}