derek.holloway
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83 lines
2.5 KiB
Plaintext
83 lines
2.5 KiB
Plaintext
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
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// RUN: -fgpu-rdc -std=c++11 -emit-llvm -o - -target-cpu gfx906 | FileCheck %s
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
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// RUN: -fgpu-rdc -std=c++11 -emit-llvm -o - -target-cpu gfx906 \
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// RUN: | FileCheck -check-prefix=NEG %s
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip %s \
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// RUN: -std=c++11 -emit-llvm -o - -target-cpu gfx906 \
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// RUN: | FileCheck -check-prefixes=NEG,NORDC %s
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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -x hip %s \
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// RUN: -fgpu-rdc -std=c++11 -emit-llvm -o - \
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// RUN: | FileCheck -check-prefix=HOST-NEG %s
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#include "Inputs/cuda.h"
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// CHECK-LABEL: @__clang_gpu_used_external = internal {{.*}}global
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// CHECK-DAG: @_Z7kernel1v
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// CHECK-DAG: @_Z7kernel4v
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// CHECK-DAG: @var1
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// CHECK-LABEL: @llvm.compiler.used = {{.*}} @__clang_gpu_used_external
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// NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel2v
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// NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel3v
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// NEG-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel5v
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// NEG-NOT: @__clang_gpu_used_external = {{.*}} @var2
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// NEG-NOT: @__clang_gpu_used_external = {{.*}} @var3
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// NEG-NOT: @__clang_gpu_used_external = {{.*}} @ext_shvar
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// NEG-NOT: @__clang_gpu_used_external = {{.*}} @shvar
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// NORDC-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel1v
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// NORDC-NOT: @__clang_gpu_used_external = {{.*}} @_Z7kernel4v
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// NORDC-NOT: @__clang_gpu_used_external = {{.*}} @var1
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// HOST-NEG-NOT: call void @__hipRegisterVar({{.*}}, ptr @ext_shvar
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// HOST-NEG-NOT: call void @__hipRegisterVar({{.*}}, ptr @shvar
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__global__ void kernel1();
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// kernel2 is not marked as used since it is a definition.
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__global__ void kernel2() {}
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// kernel3 is not marked as used since it is not called by host function.
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__global__ void kernel3();
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// kernel4 is marked as used even though it is not called.
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__global__ void kernel4();
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// kernel5 is not marked as used since it is called by host function
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// with weak_odr linkage, which may be dropped by linker.
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__global__ void kernel5();
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extern __device__ int var1;
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__device__ int var2;
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extern __device__ int var3;
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void use(int *p);
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void test() {
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kernel1<<<1, 1>>>();
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void *p = (void*)kernel4;
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use(&var1);
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}
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__global__ void test_lambda_using_extern_shared() {
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extern __shared__ int ext_shvar[];
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__shared__ int shvar[10];
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auto lambda = [&]() {
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ext_shvar[0] = 1;
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shvar[0] = 2;
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};
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lambda();
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}
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template<class T>
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void template_caller() {
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kernel5<<<1, 1>>>();
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var1 = 1;
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}
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template void template_caller<int>();
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