1 // RUN: %clang_cc1 -triple nvptx-unknown-unknown -S -o - %s -emit-llvm | FileCheck %s
2 // RUN: %clang_cc1 -triple nvptx64-unknown-unknown -S -o - %s -emit-llvm | FileCheck %s
3 
4 typedef struct float4_s {
5   float x, y, z, w;
6 } float4_t;
7 
my_function(void)8 float4_t my_function(void) {
9 // CHECK-LABEL: define %struct.float4_s @my_function
10   float4_t t;
11   return t;
12 };
13 
bar(void)14 float bar(void) {
15   float4_t ret;
16 // CHECK-LABEL: @bar
17 // CHECK: call %struct.float4_s @my_function
18   ret = my_function();
19   return ret.x;
20 }
21 
foo(float4_t x)22 void foo(float4_t x) {
23 // CHECK-LABEL: @foo
24 // CHECK: %struct.float4_s* byval %x
25 }
26 
fooN(float4_t x,float4_t y,float4_t z)27 void fooN(float4_t x, float4_t y, float4_t z) {
28 // CHECK-LABEL: @fooN
29 // CHECK: %struct.float4_s* byval %x
30 // CHECK: %struct.float4_s* byval %y
31 // CHECK: %struct.float4_s* byval %z
32 }
33 
34 typedef struct nested_s {
35   unsigned long long x;
36   float z[64];
37   float4_t t;
38 } nested_t;
39 
baz(nested_t x)40 void baz(nested_t x) {
41 // CHECK-LABEL: @baz
42 // CHECK: %struct.nested_s* byval %x)
43 }
44