| // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s |
| // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s |
| // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s |
| // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG |
| // RUN: %clang_cc1 -main-file-name for_codegen.cpp %s -o - -emit-llvm -fprofile-instrument=clang -fprofile-instrument-path=for_codegen-test.profraw | FileCheck %s --check-prefix=PROF-INSTR-PATH |
| // |
| // expected-no-diagnostics |
| #ifndef HEADER |
| #define HEADER |
| // PROF-INSTR-PATH: constant [25 x i8] c"for_codegen-test.profraw\00" |
| |
| // CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* } |
| // CHECK-DAG: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8* |
| // CHECK-DAG: [[LOOP_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 514, i32 0, i32 0, i8* |
| // CHECK-DAG: [[I:@.+]] = global i8 1, |
| // CHECK-DAG: [[J:@.+]] = global i8 2, |
| // CHECK-DAG: [[K:@.+]] = global i8 3, |
| |
| // CHECK-LABEL: define {{.*void}} @{{.*}}without_schedule_clause{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) |
| void without_schedule_clause(float *a, float *b, float *c, float *d) { |
| // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) |
| #pragma omp for nowait |
| // CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1) |
| // UB = min(UB, GlobalUB) |
| // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] |
| // CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423 |
| // CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]] |
| // CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ] |
| // CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]] |
| // CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]] |
| // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] |
| // Loop header |
| // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]] |
| // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] |
| // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] |
| // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] |
| for (int i = 33; i < 32000000; i += 7) { |
| // CHECK: [[LOOP1_BODY]] |
| // Start of body: calculate i from IV: |
| // CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]] |
| // CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7 |
| // CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 33, [[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* {{%.+}} |
| // CHECK-NOT: !llvm.mem.parallel_loop_access |
| a[i] = b[i] * c[i] * d[i]; |
| // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}} |
| // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1 |
| // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]] |
| // CHECK-NEXT: br label %{{.+}} |
| } |
| // CHECK: [[LOOP1_END]] |
| // CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]]) |
| // CHECK-NOT: __kmpc_barrier |
| // CHECK: ret void |
| } |
| |
| // CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) |
| void static_not_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) |
| // CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1) |
| // UB = min(UB, GlobalUB) |
| // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] |
| // CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423 |
| // CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]] |
| // CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ] |
| // CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]] |
| // CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]] |
| // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] |
| // Loop header |
| // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]] |
| // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] |
| // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] |
| // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] |
| for (int i = 32000000; i > 33; i += -7) { |
| // CHECK: [[LOOP1_BODY]] |
| // Start of body: calculate i from IV: |
| // CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]] |
| // CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7 |
| // CHECK-NEXT: [[CALC_I_2:%.+]] = sub nsw i32 32000000, [[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* {{%.+}} |
| // CHECK-NOT: !llvm.mem.parallel_loop_access |
| a[i] = b[i] * c[i] * d[i]; |
| // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}} |
| // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1 |
| // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]] |
| // CHECK-NEXT: br label %{{.+}} |
| } |
| // CHECK: [[LOOP1_END]] |
| // CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]]) |
| // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) |
| // 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(monotonic: static, 5) |
| // CHECK: call void @__kmpc_for_static_init_4u([[IDENT_T_TY]]* [[LOOP_LOC]], i32 [[GTID]], i32 536870945, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 5) |
| // UB = min(UB, GlobalUB) |
| // CHECK: [[UB:%.+]] = load i32, 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, i32* [[OMP_LB]] |
| // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] |
| |
| // Outer loop header |
| // CHECK: [[O_IV:%.+]] = load i32, i32* [[OMP_IV]] |
| // CHECK-NEXT: [[O_UB:%.+]] = load i32, 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, i32* [[OMP_IV]] |
| // CHECK-NEXT: [[UB:%.+]] = load i32, 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, 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* {{%.+}} |
| // CHECK-NOT: !llvm.mem.parallel_loop_access |
| a[i] = b[i] * c[i] * d[i]; |
| // CHECK: [[IV1_2:%.+]] = load i32, 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, i32* [[OMP_LB]] |
| // CHECK-NEXT: [[ST:%.+]] = load i32, 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, i32* [[OMP_UB]] |
| // CHECK-NEXT: [[ST:%.+]] = load i32, 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]]* [[LOOP_LOC]], i32 [[GTID]]) |
| // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) |
| // CHECK: ret void |
| } |
| |
| // CHECK-LABEL: define {{.*void}} @{{.*}}dynamic1{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) |
| void dynamic1(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(nonmonotonic: dynamic) |
| // CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741859, i64 0, i64 16908287, i64 1, i64 1) |
| // |
| // CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]]) |
| // CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0 |
| // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] |
| |
| // Loop header |
| // CHECK: [[O_LOOP1_BODY]] |
| // CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]] |
| // CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]] |
| // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]] |
| |
| // CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]] |
| // CHECK-NEXT: [[CMP:%.+]] = icmp ule i64 [[IV]], [[UB]] |
| // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] |
| for (unsigned long long i = 131071; i < 2147483647; i += 127) { |
| // CHECK: [[LOOP1_BODY]] |
| // Start of body: calculate i from IV: |
| // CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]] |
| // CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127 |
| // CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]] |
| // CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]] |
| // ... loop body ... |
| // End of body: store into a[i]: |
| // CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.mem.parallel_loop_access |
| a[i] = b[i] * c[i] * d[i]; |
| // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}} |
| // CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1 |
| // CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]] |
| // CHECK-NEXT: br label %{{.+}} |
| } |
| // CHECK: [[LOOP1_END]] |
| // CHECK: [[O_LOOP1_END]] |
| // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) |
| // CHECK: ret void |
| } |
| |
| // CHECK-LABEL: define {{.*void}} @{{.*}}guided7{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) |
| void guided7(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(guided, 7) |
| // CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 36, i64 0, i64 16908287, i64 1, i64 7) |
| // |
| // CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]]) |
| // CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0 |
| // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] |
| |
| // Loop header |
| // CHECK: [[O_LOOP1_BODY]] |
| // CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]] |
| // CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]] |
| // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]] |
| |
| // CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]] |
| // CHECK-NEXT: [[CMP:%.+]] = icmp ule i64 [[IV]], [[UB]] |
| // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] |
| for (unsigned long long i = 131071; i < 2147483647; i += 127) { |
| // CHECK: [[LOOP1_BODY]] |
| // Start of body: calculate i from IV: |
| // CHECK: [[IV1_1:%.+]] = load i64, i64* [[OMP_IV]] |
| // CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127 |
| // CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]] |
| // CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[LC_I:.+]] |
| // ... loop body ... |
| // End of body: store into a[i]: |
| // CHECK: store float [[RESULT:%.+]], float* {{%.+}}!llvm.mem.parallel_loop_access |
| a[i] = b[i] * c[i] * d[i]; |
| // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}} |
| // CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1 |
| // CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]] |
| // CHECK-NEXT: br label %{{.+}} |
| } |
| // CHECK: [[LOOP1_END]] |
| // CHECK: [[O_LOOP1_END]] |
| // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) |
| // CHECK: ret void |
| } |
| |
| // CHECK-LABEL: define {{.*void}} @{{.*}}test_auto{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) |
| void test_auto(float *a, float *b, float *c, float *d) { |
| unsigned int x = 0; |
| unsigned int y = 0; |
| // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) |
| #pragma omp for schedule(auto) collapse(2) |
| // CHECK: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 38, i64 0, i64 [[LAST_ITER:%[^,]+]], i64 1, i64 1) |
| // |
| // CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i64* [[OMP_LB:%[^,]+]], i64* [[OMP_UB:%[^,]+]], i64* [[OMP_ST:%[^,]+]]) |
| // CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0 |
| // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] |
| |
| // Loop header |
| // CHECK: [[O_LOOP1_BODY]] |
| // CHECK: [[LB:%.+]] = load i64, i64* [[OMP_LB]] |
| // CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]] |
| // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]] |
| |
| // CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]] |
| // CHECK-NEXT: [[CMP:%.+]] = icmp sle i64 [[IV]], [[UB]] |
| // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] |
| // FIXME: When the iteration count of some nested loop is not a known constant, |
| // we should pre-calculate it, like we do for the total number of iterations! |
| for (char i = static_cast<char>(y); i <= '9'; ++i) |
| for (x = 11; x > 0; --x) { |
| // CHECK: [[LOOP1_BODY]] |
| // Start of body: indices are calculated from IV: |
| // CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}} |
| // CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}} |
| // ... loop body ... |
| // End of body: store into a[i]: |
| // CHECK: store float [[RESULT:%.+]], float* {{%.+}} |
| // CHECK-NOT: !llvm.mem.parallel_loop_access |
| a[i] = b[i] * c[i] * d[i]; |
| // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}} |
| // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i64 [[IV1_2]], 1 |
| // CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]] |
| // CHECK-NEXT: br label %{{.+}} |
| } |
| // CHECK: [[LOOP1_END]] |
| // CHECK: [[O_LOOP1_END]] |
| // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) |
| // CHECK: ret void |
| } |
| |
| // CHECK-LABEL: define {{.*void}} @{{.*}}runtime{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}}) |
| void runtime(float *a, float *b, float *c, float *d) { |
| int x = 0; |
| // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]]) |
| #pragma omp for collapse(2) schedule(runtime) |
| // CHECK: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 37, i32 0, i32 199, i32 1, i32 1) |
| // |
| // CHECK: [[HASWORK:%.+]] = call i32 @__kmpc_dispatch_next_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32* [[OMP_ISLAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]]) |
| // CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0 |
| // CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]] |
| |
| // Loop header |
| // CHECK: [[O_LOOP1_BODY]] |
| // CHECK: [[LB:%.+]] = load i32, i32* [[OMP_LB]] |
| // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] |
| // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]] |
| |
| // CHECK-NEXT: [[UB:%.+]] = load i32, i32* [[OMP_UB]] |
| // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]] |
| // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]] |
| for (unsigned char i = '0' ; i <= '9'; ++i) |
| for (x = -10; x < 10; ++x) { |
| // CHECK: [[LOOP1_BODY]] |
| // Start of body: indices are calculated from IV: |
| // CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}} |
| // CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}} |
| // ... loop body ... |
| // End of body: store into a[i]: |
| // CHECK: store float [[RESULT:%.+]], float* {{%.+}} |
| // CHECK-NOT: !llvm.mem.parallel_loop_access |
| a[i] = b[i] * c[i] * d[i]; |
| // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}} |
| // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1 |
| // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]] |
| // CHECK-NEXT: br label %{{.+}} |
| } |
| // CHECK: [[LOOP1_END]] |
| // CHECK: [[O_LOOP1_END]] |
| // CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]]) |
| // CHECK: ret void |
| } |
| |
| // CHECK-LABEL: test_precond |
| void test_precond() { |
| // CHECK: [[A_ADDR:%.+]] = alloca i8, |
| // CHECK: [[CAP:%.+]] = alloca i8, |
| // CHECK: [[I_ADDR:%.+]] = alloca i8, |
| char a = 0; |
| // CHECK: store i8 0, |
| // CHECK: store i32 |
| // CHECK: store i8 |
| // CHECK: [[A:%.+]] = load i8, i8* [[CAP]], |
| // CHECK: [[CONV:%.+]] = sext i8 [[A]] to i32 |
| // CHECK: [[CMP:%.+]] = icmp slt i32 [[CONV]], 10 |
| // CHECK: br i1 [[CMP]], label %[[PRECOND_THEN:[^,]+]], label %[[PRECOND_END:[^,]+]] |
| // CHECK: [[PRECOND_THEN]] |
| // CHECK: call void @__kmpc_for_static_init_4 |
| #pragma omp for |
| for(char i = a; i < 10; ++i); |
| // CHECK: call void @__kmpc_for_static_fini |
| // CHECK: [[PRECOND_END]] |
| } |
| |
| // TERM_DEBUG-LABEL: foo |
| int foo() {return 0;}; |
| |
| // TERM_DEBUG-LABEL: parallel_for |
| void parallel_for(float *a) { |
| #pragma omp parallel |
| #pragma omp for schedule(static, 5) |
| // TERM_DEBUG-NOT: __kmpc_global_thread_num |
| // TERM_DEBUG: call void @__kmpc_for_static_init_4u({{.+}}), !dbg [[DBG_LOC_START:![0-9]+]] |
| // TERM_DEBUG: invoke i32 {{.*}}foo{{.*}}() |
| // TERM_DEBUG: unwind label %[[TERM_LPAD:.+]], |
| // TERM_DEBUG-NOT: __kmpc_global_thread_num |
| // TERM_DEBUG: call void @__kmpc_for_static_fini({{.+}}), !dbg [[DBG_LOC_END:![0-9]+]] |
| // TERM_DEBUG: call {{.+}} @__kmpc_barrier({{.+}}), !dbg [[DBG_LOC_CANCEL:![0-9]+]] |
| // TERM_DEBUG: [[TERM_LPAD]] |
| // TERM_DEBUG: call void @__clang_call_terminate |
| // TERM_DEBUG: unreachable |
| for (unsigned i = 131071; i <= 2147483647; i += 127) |
| a[i] += foo(); |
| } |
| // Check source line corresponds to "#pragma omp for schedule(static, 5)" above: |
| // TERM_DEBUG-DAG: [[DBG_LOC_START]] = !DILocation(line: [[@LINE-15]], |
| // TERM_DEBUG-DAG: [[DBG_LOC_END]] = !DILocation(line: [[@LINE-16]], |
| // TERM_DEBUG-DAG: [[DBG_LOC_CANCEL]] = !DILocation(line: [[@LINE-17]], |
| |
| char i = 1, j = 2, k = 3; |
| // CHECK-LABEL: for_with_global_lcv |
| void for_with_global_lcv() { |
| // CHECK: [[I_ADDR:%.+]] = alloca i8, |
| // CHECK: [[J_ADDR:%.+]] = alloca i8, |
| |
| // CHECK: call void @__kmpc_for_static_init_4( |
| // CHECK-NOT: [[I]] |
| // CHECK: store i8 %{{.+}}, i8* [[I_ADDR]] |
| // CHECK-NOT: [[I]] |
| // CHECK: [[I_VAL:%.+]] = load i8, i8* [[I_ADDR]], |
| // CHECK-NOT: [[I]] |
| // CHECK: store i8 [[I_VAL]], i8* [[K]] |
| // CHECK-NOT: [[I]] |
| // CHECK: call void @__kmpc_for_static_fini( |
| // CHECK: call void @__kmpc_barrier( |
| #pragma omp for |
| for (i = 0; i < 2; ++i) { |
| k = i; |
| } |
| // CHECK: call void @__kmpc_for_static_init_4( |
| // CHECK-NOT: [[J]] |
| // CHECK: store i8 %{{.+}}, i8* [[J_ADDR]] |
| // CHECK-NOT: [[J]] |
| // CHECK: [[J_VAL:%.+]] = load i8, i8* [[J_ADDR]], |
| // CHECK-NOT: [[J]] |
| // CHECK: store i8 [[J_VAL]], i8* [[K]] |
| // CHECK-NOT: [[J]] |
| // CHECK: call void @__kmpc_for_static_fini( |
| #pragma omp for collapse(2) |
| for (int i = 0; i < 2; ++i) |
| for (j = 0; j < 2; ++j) { |
| k = i; |
| k = j; |
| } |
| char &cnt = i; |
| #pragma omp for |
| for (cnt = 0; cnt < 2; ++cnt) |
| k = cnt; |
| } |
| |
| // CHECK-LABEL: for_with_references |
| void for_with_references() { |
| // CHECK: [[I:%.+]] = alloca i8, |
| // CHECK: [[CNT:%.+]] = alloca i8*, |
| // CHECK: [[CNT_PRIV:%.+]] = alloca i8, |
| // CHECK: call void @__kmpc_for_static_init_4( |
| // CHECK-NOT: load i8, i8* [[CNT]], |
| // CHECK: call void @__kmpc_for_static_fini( |
| char i = 0; |
| char &cnt = i; |
| #pragma omp for |
| for (cnt = 0; cnt < 2; ++cnt) |
| k = cnt; |
| } |
| |
| struct Bool { |
| Bool(bool b) : b(b) {} |
| operator bool() const { return b; } |
| const bool b; |
| }; |
| |
| template <typename T> |
| struct It { |
| It() : p(0) {} |
| It(const It &, int = 0) ; |
| template <typename U> |
| It(U &, int = 0) ; |
| It &operator=(const It &); |
| It &operator=(It &); |
| ~It() {} |
| |
| It(T *p) : p(p) {} |
| |
| operator T *&() { return p; } |
| operator T *() const { return p; } |
| T *operator->() const { return p; } |
| |
| It &operator++() { ++p; return *this; } |
| It &operator--() { --p; return *this; } |
| It &operator+=(unsigned n) { p += n; return *this; } |
| It &operator-=(unsigned n) { p -= n; return *this; } |
| |
| T *p; |
| }; |
| |
| template <typename T> |
| It<T> operator+(It<T> a, typename It<T>::difference_type n) { return a.p + n; } |
| |
| template <typename T> |
| It<T> operator+(typename It<T>::difference_type n, It<T> a) { return a.p + n; } |
| |
| template <typename T> |
| It<T> operator-(It<T> a, typename It<T>::difference_type n) { return a.p - n; } |
| |
| typedef Bool BoolType; |
| |
| template <typename T> |
| BoolType operator<(It<T> a, It<T> b) { return a.p < b.p; } |
| |
| void loop_with_It(It<char> begin, It<char> end) { |
| #pragma omp for |
| for (It<char> it = begin; it < end; ++it) { |
| *it = 0; |
| } |
| } |
| |
| // CHECK-LABEL: loop_with_It |
| // CHECK: call i32 @__kmpc_global_thread_num( |
| // CHECK: call void @__kmpc_for_static_init_8( |
| // CHECK: call void @__kmpc_for_static_fini( |
| |
| void loop_with_It_plus(It<char> begin, It<char> end) { |
| #pragma omp for |
| for (It<char> it = begin; it < end; it+=1u) { |
| *it = 0; |
| } |
| } |
| |
| // CHECK-LABEL: loop_with_It_plus |
| // CHECK: call i32 @__kmpc_global_thread_num( |
| // CHECK: call void @__kmpc_for_static_init_8( |
| // CHECK: call void @__kmpc_for_static_fini( |
| |
| void loop_with_stmt_expr() { |
| #pragma omp for |
| for (int i = __extension__({float b = 0;b; }); i < __extension__({double c = 1;c; }); i += __extension__({char d = 1; d; })) |
| ; |
| } |
| // CHECK-LABEL: loop_with_stmt_expr |
| // CHECK: call i32 @__kmpc_global_thread_num( |
| // CHECK: call void @__kmpc_for_static_init_4( |
| // CHECK: call void @__kmpc_for_static_fini( |
| |
| |
| // CHECK-LABEL: fint |
| // CHECK: call {{.*}}i32 {{.*}}ftemplate |
| // CHECK: ret i32 |
| |
| // CHECK: load i16, i16* |
| // CHECK: store i16 % |
| // CHECK: call void {{.+}}@__kmpc_fork_call( |
| // CHECK: call void @__kmpc_for_static_init_4( |
| template <typename T> |
| T ftemplate() { |
| short aa = 0; |
| |
| #pragma omp parallel for schedule(static, aa) |
| for (int i = 0; i < 100; i++) { |
| } |
| return T(); |
| } |
| |
| int fint(void) { return ftemplate<int>(); } |
| |
| #endif // HEADER |
