1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// REQUIRES: nvptx-registered-target
// REQUIRES: x86-registered-target
// RUN: %clang_cc1 "-aux-triple" "x86_64-unknown-linux-gnu" "-triple" "nvptx64-nvidia-cuda" \
// RUN: -fcuda-is-device "-aux-target-cpu" "x86-64" -O1 -S -o - %s | FileCheck %s
#include "Inputs/cuda.h"
// CHECK-LABEL: .visible .func _Z8test_argPDF16bDF16b(
// CHECK: .param .b64 _Z8test_argPDF16bDF16b_param_0,
// CHECK: .param .align 2 .b8 _Z8test_argPDF16bDF16b_param_1[2]
//
__device__ void test_arg(__bf16 *out, __bf16 in) {
// CHECK-DAG: ld.param.u64 %[[A:rd[0-9]+]], [_Z8test_argPDF16bDF16b_param_0];
// CHECK-DAG: ld.param.b16 %[[R:rs[0-9]+]], [_Z8test_argPDF16bDF16b_param_1];
__bf16 bf16 = in;
*out = bf16;
// CHECK: st.b16 [%[[A]]], %[[R]]
// CHECK: ret;
}
// CHECK-LABEL: .visible .func (.param .align 2 .b8 func_retval0[2]) _Z8test_retDF16b(
// CHECK: .param .align 2 .b8 _Z8test_retDF16b_param_0[2]
__device__ __bf16 test_ret( __bf16 in) {
// CHECK: ld.param.b16 %[[R:rs[0-9]+]], [_Z8test_retDF16b_param_0];
return in;
// CHECK: st.param.b16 [func_retval0+0], %[[R]]
// CHECK: ret;
}
__device__ __bf16 external_func( __bf16 in);
// CHECK-LABEL: .visible .func (.param .align 2 .b8 func_retval0[2]) _Z9test_callDF16b(
// CHECK: .param .align 2 .b8 _Z9test_callDF16b_param_0[2]
__device__ __bf16 test_call( __bf16 in) {
// CHECK: ld.param.b16 %[[R:rs[0-9]+]], [_Z9test_callDF16b_param_0];
// CHECK: st.param.b16 [param0+0], %[[R]];
// CHECK: .param .align 2 .b8 retval0[2];
// CHECK: call.uni (retval0),
// CHECK-NEXT: _Z13external_funcDF16b,
// CHECK-NEXT: (
// CHECK-NEXT: param0
// CHECK-NEXT );
// CHECK: ld.param.b16 %[[RET:rs[0-9]+]], [retval0+0];
return external_func(in);
// CHECK: st.param.b16 [func_retval0+0], %[[RET]]
// CHECK: ret;
}
|
