1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/attr-disable-tail-calls.c b/test/CodeGen/attr-disable-tail-calls.c
new file mode 100644
index 0000000..8141349
--- /dev/null
+++ b/test/CodeGen/attr-disable-tail-calls.c
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -mdisable-tail-calls -o - | FileCheck %s -check-prefix=CHECK -check-prefix=DISABLE
+// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s -check-prefix=CHECK -check-prefix=ENABLE
+
+// CHECK: define i32 @f1() [[ATTR:#[0-9]+]] {
+
+int f1() {
+  return 0;
+}
+
+// DISABLE: attributes [[ATTR]] = { {{.*}} "disable-tail-calls"="true" {{.*}} }
+// ENABLE: attributes [[ATTR]] = { {{.*}} "disable-tail-calls"="false" {{.*}} }