forked from OSchip/llvm-project
151 lines
7.7 KiB
C++
151 lines
7.7 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
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// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
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// 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
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//
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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_TY:%.+]] = type { i32, i32, i32, i32, i8* }
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// CHECK-LABEL: define {{.*void}} @{{.*}}without_schedule_clause{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void without_schedule_clause(float *a, float *b, float *c, float *d) {
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
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#pragma omp for
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// 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)
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// UB = min(UB, GlobalUB)
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// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
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// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
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// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
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// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
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// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
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// CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]]
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// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
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// Loop header
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// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
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// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
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// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
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for (int i = 33; i < 32000000; i += 7) {
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// CHECK: [[LOOP1_BODY]]
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// Start of body: calculate i from IV:
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// CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]]
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// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
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// CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 33, [[CALC_I_1]]
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// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
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// ... loop body ...
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// End of body: store into a[i]:
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// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}}
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// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
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// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
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// CHECK-NEXT: br label %{{.+}}
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}
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// CHECK: [[LOOP1_END]]
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// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
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// CHECK: ret void
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}
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// CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void static_not_chunked(float *a, float *b, float *c, float *d) {
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
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#pragma omp for schedule(static)
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// 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)
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// UB = min(UB, GlobalUB)
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// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
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// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
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// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
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// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
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// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
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// CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]]
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// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
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// Loop header
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// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
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// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
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// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
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for (int i = 32000000; i > 33; i += -7) {
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// CHECK: [[LOOP1_BODY]]
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// Start of body: calculate i from IV:
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// CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]]
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// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
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// CHECK-NEXT: [[CALC_I_2:%.+]] = sub nsw i32 32000000, [[CALC_I_1]]
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// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
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// ... loop body ...
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// End of body: store into a[i]:
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// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}}
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// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
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// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
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// CHECK-NEXT: br label %{{.+}}
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}
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// CHECK: [[LOOP1_END]]
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// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
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// CHECK: ret void
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}
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// CHECK-LABEL: define {{.*void}} @{{.*}}static_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void static_chunked(float *a, float *b, float *c, float *d) {
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
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#pragma omp for schedule(static, 5)
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// 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)
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// UB = min(UB, GlobalUB)
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// CHECK: [[UB:%.+]] = load i32* [[OMP_UB]]
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// CHECK-NEXT: [[UBCMP:%.+]] = icmp ugt i32 [[UB]], 16908288
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// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
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// CHECK: [[UBRESULT:%.+]] = phi i32 [ 16908288, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
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// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
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// CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]]
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// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
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// Outer loop header
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// CHECK: [[O_IV:%.+]] = load i32* [[OMP_IV]]
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// CHECK-NEXT: [[O_UB:%.+]] = load i32* [[OMP_UB]]
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// CHECK-NEXT: [[O_CMP:%.+]] = icmp ule i32 [[O_IV]], [[O_UB]]
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// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
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// Loop header
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// CHECK: [[O_LOOP1_BODY]]
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// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
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// CHECK-NEXT: [[CMP:%.+]] = icmp ule i32 [[IV]], [[UB]]
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// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
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for (unsigned i = 131071; i <= 2147483647; i += 127) {
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// CHECK: [[LOOP1_BODY]]
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// Start of body: calculate i from IV:
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// CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]]
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// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i32 [[IV1_1]], 127
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// CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 131071, [[CALC_I_1]]
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// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
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// ... loop body ...
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// End of body: store into a[i]:
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// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}}
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// CHECK-NEXT: [[ADD1_2:%.+]] = add i32 [[IV1_2]], 1
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// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
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// CHECK-NEXT: br label %{{.+}}
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}
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// CHECK: [[LOOP1_END]]
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// Update the counters, adding stride
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// CHECK: [[LB:%.+]] = load i32* [[OMP_LB]]
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// CHECK-NEXT: [[ST:%.+]] = load i32* [[OMP_ST]]
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// CHECK-NEXT: [[ADD_LB:%.+]] = add i32 [[LB]], [[ST]]
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// CHECK-NEXT: store i32 [[ADD_LB]], i32* [[OMP_LB]]
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// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
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// CHECK-NEXT: [[ST:%.+]] = load i32* [[OMP_ST]]
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// CHECK-NEXT: [[ADD_UB:%.+]] = add i32 [[UB]], [[ST]]
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// CHECK-NEXT: store i32 [[ADD_UB]], i32* [[OMP_UB]]
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// CHECK: [[O_LOOP1_END]]
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// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
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// CHECK: ret void
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}
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#endif // HEADER
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