1 // Test device data sharing codegen. 2 ///==========================================================================/// 3 4 // 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 5 // 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 6 7 // expected-no-diagnostics 8 9 #ifndef HEADER 10 #define HEADER 11 12 void test_ds(){ 13 #pragma omp target 14 { 15 int a = 10; 16 #pragma omp parallel 17 { 18 a = 1000; 19 } 20 } 21 } 22 23 /// ========= In the worker function ========= /// 24 25 // CK1: define internal void @__omp_offloading_{{.*}}test_ds{{.*}}worker() [[ATTR1:#.*]] { 26 // CK1: [[SHAREDARGS:%.+]] = alloca i8** 27 // CK1: call i1 @__kmpc_kernel_parallel(i8** %work_fn, i8*** [[SHAREDARGS]], i16 1) 28 // CK1: [[SHARGSTMP:%.+]] = load i8**, i8*** [[SHAREDARGS]] 29 // CK1: call void @__omp_outlined___wrapper{{.*}}({{.*}}, i8** [[SHARGSTMP]]) 30 31 /// ========= In the kernel function ========= /// 32 33 // CK1: {{.*}}define void @__omp_offloading{{.*}}test_ds{{.*}}() [[ATTR2:#.*]] { 34 // CK1: [[SHAREDARGS1:%.+]] = alloca i8** 35 // CK1: call void @__kmpc_kernel_prepare_parallel({{.*}}, i8*** [[SHAREDARGS1]], i32 1, i16 1) 36 // CK1: [[SHARGSTMP1:%.+]] = load i8**, i8*** [[SHAREDARGS1]] 37 // CK1: [[SHARGSTMP2:%.+]] = getelementptr inbounds i8*, i8** [[SHARGSTMP1]] 38 // CK1: [[SHAREDVAR:%.+]] = bitcast i32* {{.*}} to i8* 39 // CK1: store i8* [[SHAREDVAR]], i8** [[SHARGSTMP2]] 40 41 /// ========= In the data sharing wrapper function ========= /// 42 43 // CK1: {{.*}}define internal void @__omp_outlined___wrapper({{.*}}i8**) [[ATTR1]] { 44 // CK1: [[SHAREDARGS2:%.+]] = alloca i8** 45 // CK1: store i8** %2, i8*** [[SHAREDARGS2]] 46 // CK1: [[SHARGSTMP3:%.+]] = load i8**, i8*** [[SHAREDARGS2]] 47 // CK1: [[SHARGSTMP4:%.+]] = getelementptr inbounds i8*, i8** [[SHARGSTMP3]] 48 // CK1: [[SHARGSTMP5:%.+]] = bitcast i8** [[SHARGSTMP4]] to i32** 49 // CK1: [[SHARGSTMP6:%.+]] = load i32*, i32** [[SHARGSTMP5]] 50 // CK1: call void @__omp_outlined__({{.*}}, i32* [[SHARGSTMP6]]) 51 52 /// ========= Attributes ========= /// 53 54 // CK1-NOT: attributes [[ATTR1]] = { {{.*}}"has-nvptx-shared-depot"{{.*}} } 55 // CK1: attributes [[ATTR2]] = { {{.*}}"has-nvptx-shared-depot"{{.*}} } 56 57 #endif 58