diff options
Diffstat (limited to 'test/OpenMP/for_codegen.cpp')
| -rw-r--r-- | test/OpenMP/for_codegen.cpp | 359 |
1 files changed, 341 insertions, 18 deletions
diff --git a/test/OpenMP/for_codegen.cpp b/test/OpenMP/for_codegen.cpp index 757de65..5dcacb2 100644 --- a/test/OpenMP/for_codegen.cpp +++ b/test/OpenMP/for_codegen.cpp @@ -1,49 +1,56 @@ -// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -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 +// 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 -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG // // expected-no-diagnostics #ifndef HEADER #define HEADER // 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: [[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 + #pragma omp for nowait // CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[DEFAULT_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* [[OMP_UB]] +// 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* [[OMP_LB]] +// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]] // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] // Loop header -// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]] -// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]] +// 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* [[OMP_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* [[OMP_IV]]{{.*}} +// 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]]* [[DEFAULT_LOC]], i32 [[GTID]]) -// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]]) +// CHECK-NOT: __kmpc_cancel_barrier // CHECK: ret void } @@ -53,39 +60,355 @@ void static_not_chunked(float *a, float *b, float *c, float *d) { #pragma omp for schedule(static) // CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[DEFAULT_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* [[OMP_UB]] +// 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* [[OMP_LB]] +// CHECK-NEXT: [[LB:%.+]] = load i32, i32* [[OMP_LB]] // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]] // Loop header -// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]] -// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]] +// 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* [[OMP_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* [[OMP_IV]]{{.*}} +// 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]]* [[DEFAULT_LOC]], i32 [[GTID]]) -// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]]) +// CHECK: call {{.+}} @__kmpc_cancel_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(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, 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]]* [[DEFAULT_LOC]], i32 [[GTID]]) +// CHECK: call {{.+}} @__kmpc_cancel_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(dynamic) +// CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 35, 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_cancel_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_cancel_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_cancel_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_cancel_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: [[I_ADDR:%.+]] = alloca i8, + char a = 0; + // CHECK: store i32 0, i32* [[IV_ADDR:%.+]], + // CHECK: [[A:%.+]] = load i8, i8* [[A_ADDR]], + // CHECK: [[CONV:%.+]] = sext i8 [[A]] to i32 + // CHECK: [[IV:%.+]] = load i32, i32* [[IV_ADDR]], + // CHECK: [[MUL:%.+]] = mul nsw i32 [[IV]], 1 + // CHECK: [[ADD:%.+]] = add nsw i32 [[CONV]], [[MUL]] + // CHECK: [[CONV:%.+]] = trunc i32 [[ADD]] to i8 + // CHECK: store i8 [[CONV]], i8* [[I_ADDR]], + // CHECK: [[A:%.+]] = load i8, i8* [[A_ADDR]], + // 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_cancel_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( +#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; + } +} + #endif // HEADER |
