diff options
Diffstat (limited to 'clang/test/OpenMP/for_codegen.cpp')
| -rw-r--r-- | clang/test/OpenMP/for_codegen.cpp | 61 |
1 files changed, 60 insertions, 1 deletions
diff --git a/clang/test/OpenMP/for_codegen.cpp b/clang/test/OpenMP/for_codegen.cpp index 757de65df46..badc5bdeca0 100644 --- a/clang/test/OpenMP/for_codegen.cpp +++ b/clang/test/OpenMP/for_codegen.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s +// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s // RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s // RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -g -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s // @@ -87,5 +87,64 @@ void static_not_chunked(float *a, float *b, float *c, float *d) { // CHECK: ret void } +// CHECK-LABEL: define {{.*void}} @{{.*}}static_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) +void static_chunked(float *a, float *b, float *c, float *d) { +// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) + #pragma omp for schedule(static, 5) +// CHECK: call void @__kmpc_for_static_init_4u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 33, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 5) +// UB = min(UB, GlobalUB) +// CHECK: [[UB:%.+]] = load i32* [[OMP_UB]] +// CHECK-NEXT: [[UBCMP:%.+]] = icmp ugt i32 [[UB]], 16908288 +// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]] +// CHECK: [[UBRESULT:%.+]] = phi i32 [ 16908288, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ] +// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]] +// CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]] +// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] + +// Outer loop header +// CHECK: [[O_IV:%.+]] = load i32* [[OMP_IV]] +// CHECK-NEXT: [[O_UB:%.+]] = load i32* [[OMP_UB]] +// CHECK-NEXT: [[O_CMP:%.+]] = icmp ule i32 [[O_IV]], [[O_UB]] +// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] + +// Loop header +// CHECK: [[O_LOOP1_BODY]] +// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]] +// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]] +// CHECK-NEXT: [[CMP:%.+]] = icmp ule i32 [[IV]], [[UB]] +// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] + for (unsigned i = 131071; i <= 2147483647; i += 127) { +// CHECK: [[LOOP1_BODY]] +// Start of body: calculate i from IV: +// CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]] +// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i32 [[IV1_1]], 127 +// CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 131071, [[CALC_I_1]] +// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]] +// ... loop body ... +// End of body: store into a[i]: +// CHECK: store float [[RESULT:%.+]], float* {{%.+}} + a[i] = b[i] * c[i] * d[i]; +// CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}} +// CHECK-NEXT: [[ADD1_2:%.+]] = add i32 [[IV1_2]], 1 +// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]] +// CHECK-NEXT: br label %{{.+}} + } +// CHECK: [[LOOP1_END]] +// Update the counters, adding stride +// CHECK: [[LB:%.+]] = load i32* [[OMP_LB]] +// CHECK-NEXT: [[ST:%.+]] = load i32* [[OMP_ST]] +// CHECK-NEXT: [[ADD_LB:%.+]] = add i32 [[LB]], [[ST]] +// CHECK-NEXT: store i32 [[ADD_LB]], i32* [[OMP_LB]] +// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]] +// CHECK-NEXT: [[ST:%.+]] = load i32* [[OMP_ST]] +// CHECK-NEXT: [[ADD_UB:%.+]] = add i32 [[UB]], [[ST]] +// CHECK-NEXT: store i32 [[ADD_UB]], i32* [[OMP_UB]] + +// CHECK: [[O_LOOP1_END]] +// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]]) +// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]]) +// CHECK: ret void +} + #endif // HEADER |
