forked from OSchip/llvm-project
100 lines
4.3 KiB
C++
100 lines
4.3 KiB
C++
// Test target codegen - host bc file has to be created first.
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple i386-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm-bc %s -o %t-x86-host.bc
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -fexceptions -fcxx-exceptions -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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// Check that the execution mode of all 2 target regions on the gpu is set to SPMD Mode.
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// CHECK-DAG: {{@__omp_offloading_.+l30}}_exec_mode = weak constant i8 0
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// CHECK-DAG: {{@__omp_offloading_.+l36}}_exec_mode = weak constant i8 0
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// CHECK-DAG: {{@__omp_offloading_.+l41}}_exec_mode = weak constant i8 0
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// CHECK-DAG: {{@__omp_offloading_.+l46}}_exec_mode = weak constant i8 0
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#define N 1000
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#define M 10
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template<typename tx>
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tx ftemplate(int n) {
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tx a[N];
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short aa[N];
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tx b[10];
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tx c[M][M];
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tx f = n;
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tx l;
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int k;
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#pragma omp target teams distribute simd lastprivate(l) dist_schedule(static,128)
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for(int i = 0; i < n; i++) {
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a[i] = 1;
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l = i;
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}
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#pragma omp target teams distribute simd map(tofrom: aa) num_teams(M) thread_limit(64)
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for(int i = 0; i < n; i++) {
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aa[i] += 1;
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}
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#pragma omp target teams distribute simd map(tofrom:a, aa, b) if(target: n>40)
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for(int i = 0; i < 10; i++) {
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b[i] += 1;
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}
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#pragma omp target teams distribute simd collapse(2) firstprivate(f) private(k)
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for(int i = 0; i < M; i++) {
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for(int j = 0; j < M; j++) {
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k = M;
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c[i][j] = i+j*f+k;
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}
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}
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return a[0];
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}
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int bar(int n){
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int a = 0;
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a += ftemplate<int>(n);
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return a;
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}
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// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+}}(
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// CHECK-DAG: [[THREAD_LIMIT:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
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// CHECK: call void @__kmpc_spmd_kernel_init(i32 [[THREAD_LIMIT]],
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// CHECK: call void @__kmpc_for_static_init_4({{.+}}, {{.+}}, {{.+}} 91,
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// CHECK: call void @__kmpc_for_static_fini(
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// CHECK: call void @__kmpc_spmd_kernel_deinit()
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// CHECK: ret void
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// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+}}(
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// CHECK-DAG: [[THREAD_LIMIT:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
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// CHECK: call void @__kmpc_spmd_kernel_init(i32 [[THREAD_LIMIT]],
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// CHECK: call void @__kmpc_for_static_init_4({{.+}}, {{.+}}, {{.+}} 92,
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// CHECK: call void @__kmpc_for_static_fini(
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// CHECK: call void @__kmpc_spmd_kernel_deinit()
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// CHECK: ret void
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// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+}}(
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// CHECK-DAG: [[THREAD_LIMIT:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
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// CHECK: call void @__kmpc_spmd_kernel_init(i32 [[THREAD_LIMIT]],
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// CHECK: call void @__kmpc_for_static_init_4({{.+}}, {{.+}}, {{.+}} 92,
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// CHECK: call void @__kmpc_for_static_fini(
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// CHECK: call void @__kmpc_spmd_kernel_deinit()
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// CHECK: ret void
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// CHECK: define {{.*}}void {{@__omp_offloading_.+}}({{.+}}, i{{32|64}} [[F_IN:%.+]])
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// CHECK: store {{.+}} [[F_IN]], {{.+}}* {{.+}},
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// CHECK-DAG: [[THREAD_LIMIT:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
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// CHECK: call void @__kmpc_spmd_kernel_init(i32 [[THREAD_LIMIT]],
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// CHECK: store {{.+}} 99, {{.+}}* [[COMB_UB:%.+]], align
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// CHECK: call void @__kmpc_for_static_init_4({{.+}}, {{.+}}, {{.+}} 92, {{.+}}, {{.+}}, {{.+}}* [[COMB_UB]],
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// CHECK: call void @__kmpc_for_static_fini(
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// CHECK: call void @__kmpc_spmd_kernel_deinit()
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// CHECK: ret void
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#endif
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