1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/windows-struct-abi.c b/test/CodeGen/windows-struct-abi.c
new file mode 100644
index 000000000000..4b4a6f1b5db3
--- /dev/null
+++ b/test/CodeGen/windows-struct-abi.c
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -triple i686-windows-itanium -emit-llvm -o - %s | FileCheck %s
+
+struct f1 {
+  float f;
+};
+
+struct f1 return_f1(void) { while (1); }
+
+// CHECK: define i32 @return_f1()
+
+void receive_f1(struct f1 a0) { }
+
+// CHECK: define void @receive_f1(%struct.f1* byval align 4 %a0)
+
+struct f2 {
+  float f;
+  float g;
+};
+
+struct f2 return_f2(void) { while (1); }
+
+// CHECK: define i64 @return_f2()
+
+void receive_f2(struct f2 a0) { }
+
+// CHECK: define void @receive_f2(%struct.f2* byval align 4 %a0)
+
+struct f4 {
+  float f;
+  float g;
+  float h;
+  float i;
+};
+
+struct f4 return_f4(void) { while (1); }
+
+// CHECK: define void @return_f4(%struct.f4* noalias sret %agg.result)
+
+void receive_f4(struct f4 a0) { }
+
+// CHECK: define void @receive_f4(%struct.f4* byval align 4 %a0)
+