1 // RUN: %clang_cc1 -triple amdgcn-amd-amdhsa \
2 // RUN:     -fcuda-is-device -emit-llvm -o - %s | FileCheck %s
3 // RUN: %clang_cc1 -triple nvptx \
4 // RUN:     -fcuda-is-device -emit-llvm -o - %s | FileCheck %s \
5 // RUN:     -check-prefix=NAMD
6 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm \
7 // RUN:     -verify -o - %s | FileCheck -check-prefix=NAMD %s
8 
9 #include "Inputs/cuda.h"
10 
11 __attribute__((amdgpu_flat_work_group_size(32, 64))) // expected-no-diagnostics
12 __global__ void flat_work_group_size_32_64() {
13 // CHECK: define amdgpu_kernel void @_Z26flat_work_group_size_32_64v() [[FLAT_WORK_GROUP_SIZE_32_64:#[0-9]+]]
14 }
15 __attribute__((amdgpu_waves_per_eu(2))) // expected-no-diagnostics
16 __global__ void waves_per_eu_2() {
17 // CHECK: define amdgpu_kernel void @_Z14waves_per_eu_2v() [[WAVES_PER_EU_2:#[0-9]+]]
18 }
19 __attribute__((amdgpu_num_sgpr(32))) // expected-no-diagnostics
20 __global__ void num_sgpr_32() {
21 // CHECK: define amdgpu_kernel void @_Z11num_sgpr_32v() [[NUM_SGPR_32:#[0-9]+]]
22 }
23 __attribute__((amdgpu_num_vgpr(64))) // expected-no-diagnostics
24 __global__ void num_vgpr_64() {
25 // CHECK: define amdgpu_kernel void @_Z11num_vgpr_64v() [[NUM_VGPR_64:#[0-9]+]]
26 }
27 
28 // Make sure this is silently accepted on other targets.
29 // NAMD-NOT: "amdgpu-flat-work-group-size"
30 // NAMD-NOT: "amdgpu-waves-per-eu"
31 // NAMD-NOT: "amdgpu-num-vgpr"
32 // NAMD-NOT: "amdgpu-num-sgpr"
33 
34 // CHECK-DAG: attributes [[FLAT_WORK_GROUP_SIZE_32_64]] = { convergent noinline nounwind optnone "amdgpu-flat-work-group-size"="32,64"
35 // CHECK-DAG: attributes [[WAVES_PER_EU_2]] = { convergent noinline nounwind optnone "amdgpu-waves-per-eu"="2"
36 // CHECK-DAG: attributes [[NUM_SGPR_32]] = { convergent noinline nounwind optnone "amdgpu-num-sgpr"="32"
37 // CHECK-DAG: attributes [[NUM_VGPR_64]] = { convergent noinline nounwind optnone "amdgpu-num-vgpr"="64"
38