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comparison clang/test/CodeGenCUDA/host-used-extern.cu @ 236:c4bab56944e8 llvm-original

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LLVM 16
author kono
date Wed, 09 Nov 2022 17:45:10 +0900
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232:70dce7da266c 236:c4bab56944e8
1 // RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
2 // RUN: -fgpu-rdc -std=c++11 -emit-llvm -o - -target-cpu gfx906 | FileCheck %s
3
4 // RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
5 // RUN: -fgpu-rdc -std=c++11 -emit-llvm -o - -target-cpu gfx906 \
6 // RUN: | FileCheck -check-prefix=NEG %s
7
8 // RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
9 // RUN: -std=c++11 -emit-llvm -o - -target-cpu gfx906 \
10 // RUN: | FileCheck -check-prefixes=NEG,NORDC %s
11
12 #include "Inputs/cuda.h"
13
14 // CHECK-LABEL: @__clang_gpu_used_external = internal {{.*}}global
15 // CHECK-DAG: @_Z7kernel1v
16 // CHECK-DAG: @_Z7kernel4v
17 // CHECK-DAG: @var1
18 // CHECK-LABEL: @llvm.compiler.used = {{.*}} @__clang_gpu_used_external
19
20 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel2v
21 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel3v
22 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @var2
23 // NEG-NOT: @__clang_gpu_used_external = {{.*}} @var3
24 // NORDC-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel1v
25 // NORDC-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel4v
26 // NORDC-NOT: @__clang_gpu_used_external = {{.*}} @var1
27
28 __global__ void kernel1();
29
30 // kernel2 is not marked as used since it is a definition.
31 __global__ void kernel2() {}
32
33 // kernel3 is not marked as used since it is not called by host function.
34 __global__ void kernel3();
35
36 // kernel4 is marked as used even though it is not called.
37 __global__ void kernel4();
38
39 extern __device__ int var1;
40
41 __device__ int var2;
42
43 extern __device__ int var3;
44
45 void use(int *p);
46
47 void test() {
48 kernel1<<<1, 1>>>();
49 void *p = (void*)kernel4;
50 use(&var1);
51 }