1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGenCXX/call-arg-zero-temp.cpp b/test/CodeGenCXX/call-arg-zero-temp.cpp
new file mode 100644
index 0000000..2c44f69
--- /dev/null
+++ b/test/CodeGenCXX/call-arg-zero-temp.cpp
@@ -0,0 +1,23 @@
+// RUN: clang-cc -triple x86_64-apple-darwin -S %s -o %t-64.s &&
+// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s &&
+// RUN: clang-cc -triple i386-apple-darwin -S %s -o %t-32.s &&
+// RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s &&
+// RUN: true
+
+
+extern "C" int printf(...);
+
+struct obj{ int a; float b; double d; };
+
+void foo(obj o) {
+  printf("%d  %f  %f\n", o.a, o.b, o.d);
+}
+
+int main() {
+  obj o = obj();
+  foo(obj());
+}
+
+// CHECK-LP64: call     __Z3foo3obj
+
+// CHECK-LP32: call     __Z3foo3obj