xref: /llvm-project/clang/test/OpenMP/barrier_codegen.cpp (revision 29441e4f5fa5f5c7709f7cf180815ba97f611297)
1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,CLANGCG
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
3 // 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
4 
5 // 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
6 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fopenmp-enable-irbuilder -emit-pch -o %t %s
7 // 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
8 
9 // 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
10 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fopenmp-enable-irbuilder -emit-pch -o %t %s
11 // 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
12 
13 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
14 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
15 // 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
16 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
17 // expected-no-diagnostics
18 #ifndef HEADER
19 #define HEADER
20 
21 // CHECK: [[IDENT_T:%.+]] = type { i32, i32, i32, i32, ptr }
22 // CHECK-DAG: [[EXPLICIT_BARRIER_LOC:@.+]] = {{.+}} [[IDENT_T]] { i32 0, i32 34, i32 0, i32 {{[0-9]+}}, ptr @{{.+}} }
23 // CHECK-DAG: [[LOC:@.+]] = {{.+}} [[IDENT_T]] { i32 0, i32 2, i32 0, i32 {{[0-9]+}}, ptr @{{.+}} }
24 
25 void foo() {}
26 
27 template <class T>
28 T tmain(T argc) {
29   static T a;
30 #pragma omp barrier
31   return a + argc;
32 }
33 
34 // CHECK-LABEL: @main
35 int main(int argc, char **argv) {
36   static int a;
37 #pragma omp barrier
38   // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr [[LOC]])
39   // CHECK: call void @__kmpc_barrier(ptr [[EXPLICIT_BARRIER_LOC]], i32 [[GTID]])
40   // CHECK: call {{.+}} [[TMAIN_INT:@.+]](i{{[0-9][0-9]}}
41   // CHECK: call {{.+}} [[TMAIN_CHAR:@.+]](i{{[0-9]}}
42   return tmain(argc) + tmain(argv[0][0]) + a;
43 }
44 
45 // CLANGCG:            declare i32 @__kmpc_global_thread_num(ptr)
46 // IRBUILDER:          ; Function Attrs: nounwind
47 // IRBUILDER-NEXT:     declare i32 @__kmpc_global_thread_num(ptr) #
48 // IRBUILDER_OPT:      ; Function Attrs: nofree nosync nounwind willreturn memory(argmem: read, inaccessiblemem: read)
49 // IRBUILDER_OPT-NEXT: declare i32 @__kmpc_global_thread_num(ptr nofree readonly captures(none)) #
50 
51 // CHECK: define {{.+}} [[TMAIN_INT]](
52 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr [[LOC]])
53 // CHECK: call void @__kmpc_barrier(ptr [[EXPLICIT_BARRIER_LOC]], i32 [[GTID]])
54 
55 // CHECK: define {{.+}} [[TMAIN_CHAR]](
56 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr [[LOC]])
57 // CHECK: call void @__kmpc_barrier(ptr [[EXPLICIT_BARRIER_LOC]], i32 [[GTID]])
58 
59 #endif
60