// Test device data sharing codegen. ///==========================================================================/// // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc // RUN: %clang_cc1 -verify -fopenmp -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 CK1 // expected-no-diagnostics #ifndef HEADER #define HEADER void test_ds(){ #pragma omp target { int a = 10; #pragma omp parallel { a = 1000; } } } /// ========= In the worker function ========= /// // CK1: define internal void @__omp_offloading_{{.*}}test_ds{{.*}}worker() [[ATTR1:#.*]] { // CK1: [[SHAREDARGS:%.+]] = alloca i8** // CK1: call i1 @__kmpc_kernel_parallel(i8** %work_fn, i8*** [[SHAREDARGS]]) // CK1: [[SHARGSTMP:%.+]] = load i8**, i8*** [[SHAREDARGS]] // CK1: call void @__omp_outlined___wrapper{{.*}}({{.*}}, i8** [[SHARGSTMP]]) /// ========= In the kernel function ========= /// // CK1: {{.*}}define void @__omp_offloading{{.*}}test_ds{{.*}}() [[ATTR2:#.*]] { // CK1: [[SHAREDARGS1:%.+]] = alloca i8** // CK1: call void @__kmpc_kernel_prepare_parallel({{.*}}, i8*** [[SHAREDARGS1]], i32 1) // CK1: [[SHARGSTMP1:%.+]] = load i8**, i8*** [[SHAREDARGS1]] // CK1: [[SHARGSTMP2:%.+]] = getelementptr inbounds i8*, i8** [[SHARGSTMP1]] // CK1: [[SHAREDVAR:%.+]] = bitcast i32* {{.*}} to i8* // CK1: store i8* [[SHAREDVAR]], i8** [[SHARGSTMP2]] /// ========= In the data sharing wrapper function ========= /// // CK1: {{.*}}define internal void @__omp_outlined___wrapper({{.*}}i8**) [[ATTR1]] { // CK1: [[SHAREDARGS2:%.+]] = alloca i8** // CK1: store i8** %2, i8*** [[SHAREDARGS2]] // CK1: [[SHARGSTMP3:%.+]] = load i8**, i8*** [[SHAREDARGS2]] // CK1: [[SHARGSTMP4:%.+]] = getelementptr inbounds i8*, i8** [[SHARGSTMP3]] // CK1: [[SHARGSTMP5:%.+]] = bitcast i8** [[SHARGSTMP4]] to i32** // CK1: [[SHARGSTMP6:%.+]] = load i32*, i32** [[SHARGSTMP5]] // CK1: call void @__omp_outlined__({{.*}}, i32* [[SHARGSTMP6]]) /// ========= Attributes ========= /// // CK1-NOT: attributes [[ATTR1]] = { {{.*}}"has-nvptx-shared-depot"{{.*}} } // CK1: attributes [[ATTR2]] = { {{.*}}"has-nvptx-shared-depot"{{.*}} } #endif