3bbbe4c4b6
Summary: This patch adds more function attribute information to the runtime function definitions in OMPKinds.def. The goal is to provide sufficient information about OpenMP runtime functions to perform more optimizations on OpenMP code. Reviewers: jdoerfert Subscribers: aaron.ballman cfe-commits yaxunl guansong sstefan1 llvm-commits Tags: #OpenMP #clang #LLVM Differential Revision: https://reviews.llvm.org/D81031
60 lines
3.7 KiB
C++
60 lines
3.7 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,CLANGCG
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CLANGCG
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -fopenmp-enable-irbuilder -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,IRBUILDER
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fopenmp-enable-irbuilder -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fopenmp-enable-irbuilder -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,IRBUILDER
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -fopenmp-enable-irbuilder -mllvm -openmp-ir-builder-optimistic-attributes -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,IRBUILDER_OPT
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fopenmp-enable-irbuilder -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fopenmp-enable-irbuilder -mllvm -openmp-ir-builder-optimistic-attributes -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,IRBUILDER_OPT
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// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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// CHECK: [[IDENT_T:%.+]] = type { i32, i32, i32, i32, i8* }
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// CHECK-DAG: [[EXPLICIT_BARRIER_LOC:@.+]] = {{.+}} [[IDENT_T]] { i32 0, i32 34, i32 0, i32 0, i8* getelementptr inbounds ([{{[0-9]+}} x i8], [{{[0-9]+}} x i8]* @{{.+}}, i32 0, i32 0) }
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// CHECK-DAG: [[LOC:@.+]] = {{.+}} [[IDENT_T]] { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([{{[0-9]+}} x i8], [{{[0-9]+}} x i8]* @{{.+}}, i32 0, i32 0) }
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void foo() {}
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template <class T>
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T tmain(T argc) {
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static T a;
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#pragma omp barrier
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return a + argc;
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}
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// CHECK-LABEL: @main
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int main(int argc, char **argv) {
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static int a;
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#pragma omp barrier
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T]]* [[LOC]])
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// CHECK: call void @__kmpc_barrier([[IDENT_T]]* [[EXPLICIT_BARRIER_LOC]], i32 [[GTID]])
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// CHECK: call {{.+}} [[TMAIN_INT:@.+]](i{{[0-9][0-9]}}
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// CHECK: call {{.+}} [[TMAIN_CHAR:@.+]](i{{[0-9]}}
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return tmain(argc) + tmain(argv[0][0]) + a;
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}
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// CLANGCG: declare i32 @__kmpc_global_thread_num(%struct.ident_t*)
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// IRBUILDER: ; Function Attrs: nounwind
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// IRBUILDER-NEXT: declare i32 @__kmpc_global_thread_num(%struct.ident_t*) #
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// IRBUILDER_OPT: ; Function Attrs: inaccessiblememonly nofree nosync nounwind readonly
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// IRBUILDER_OPT-NEXT: declare i32 @__kmpc_global_thread_num(%struct.ident_t* nocapture nofree readonly) #
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// CHECK: define {{.+}} [[TMAIN_INT]](
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T]]* [[LOC]])
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// CHECK: call void @__kmpc_barrier([[IDENT_T]]* [[EXPLICIT_BARRIER_LOC]], i32 [[GTID]])
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// CHECK: define {{.+}} [[TMAIN_CHAR]](
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T]]* [[LOC]])
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// CHECK: call void @__kmpc_barrier([[IDENT_T]]* [[EXPLICIT_BARRIER_LOC]], i32 [[GTID]])
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#endif
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