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517 lines
22 KiB
517 lines
22 KiB
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
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// RUN: %clang_cc1 -fopenmp -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 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
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// 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
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//
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// expected-no-diagnostics
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// REQUIRES: x86-registered-target
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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-DAG: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8*
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// CHECK-DAG: [[I:@.+]] = global i8 1,
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// CHECK-DAG: [[J:@.+]] = global i8 2,
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// CHECK-DAG: [[K:@.+]] = global i8 3,
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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 nowait
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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, 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, 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, i32* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i32, 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, 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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// CHECK-NOT: !llvm.mem.parallel_loop_access
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i32, 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-NOT: __kmpc_barrier
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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, 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, 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, i32* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i32, 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, 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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// CHECK-NOT: !llvm.mem.parallel_loop_access
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i32, 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_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], 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(monotonic: static, 5)
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// CHECK: call void @__kmpc_for_static_init_4u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 536870945, 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, 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, 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, i32* [[OMP_IV]]
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// CHECK-NEXT: [[O_UB:%.+]] = load i32, 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, i32* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i32, 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, 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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// CHECK-NOT: !llvm.mem.parallel_loop_access
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i32, 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, i32* [[OMP_LB]]
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// CHECK-NEXT: [[ST:%.+]] = load i32, 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, i32* [[OMP_UB]]
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// CHECK-NEXT: [[ST:%.+]] = load i32, 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_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
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// CHECK: ret void
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}
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// CHECK-LABEL: define {{.*void}} @{{.*}}dynamic1{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void dynamic1(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(nonmonotonic: dynamic)
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// CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741859, i64 0, i64 16908287, i64 1, i64 1)
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//
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// 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:%[^,]+]])
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// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
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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: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
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// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
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// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
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// CHECK-NEXT: [[CMP:%.+]] = icmp ule i64 [[IV]], [[UB]]
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// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
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for (unsigned long long 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 i64, i64* [[OMP_IV]]
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// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127
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// CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]]
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// CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[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* {{%.+}}!llvm.mem.parallel_loop_access
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
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// CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
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// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[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: [[O_LOOP1_END]]
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// CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
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// CHECK: ret void
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}
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// CHECK-LABEL: define {{.*void}} @{{.*}}guided7{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void guided7(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(guided, 7)
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// CHECK: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 36, i64 0, i64 16908287, i64 1, i64 7)
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//
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// 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:%[^,]+]])
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// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
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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: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
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// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
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// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
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// CHECK-NEXT: [[CMP:%.+]] = icmp ule i64 [[IV]], [[UB]]
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// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
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for (unsigned long long 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 i64, i64* [[OMP_IV]]
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// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i64 [[IV1_1]], 127
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// CHECK-NEXT: [[CALC_I_2:%.+]] = add i64 131071, [[CALC_I_1]]
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// CHECK-NEXT: store i64 [[CALC_I_2]], i64* [[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* {{%.+}}!llvm.mem.parallel_loop_access
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a[i] = b[i] * c[i] * d[i];
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// CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}
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// CHECK-NEXT: [[ADD1_2:%.+]] = add i64 [[IV1_2]], 1
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// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[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: [[O_LOOP1_END]]
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// CHECK: call {{.+}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_LOC]], i32 [[GTID]])
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// CHECK: ret void
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}
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// CHECK-LABEL: define {{.*void}} @{{.*}}test_auto{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void test_auto(float *a, float *b, float *c, float *d) {
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unsigned int x = 0;
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unsigned int y = 0;
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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(auto) collapse(2)
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// 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)
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//
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// 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:%[^,]+]])
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// CHECK-NEXT: [[O_CMP:%.+]] = icmp ne i32 [[HASWORK]], 0
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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: [[LB:%.+]] = load i64, i64* [[OMP_LB]]
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// CHECK-NEXT: store i64 [[LB]], i64* [[OMP_IV:[^,]+]]
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// CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
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// CHECK-NEXT: [[UB:%.+]] = load i64, i64* [[OMP_UB]]
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// CHECK-NEXT: [[CMP:%.+]] = icmp sle i64 [[IV]], [[UB]]
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// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
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// FIXME: When the iteration count of some nested loop is not a known constant,
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// we should pre-calculate it, like we do for the total number of iterations!
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for (char i = static_cast<char>(y); i <= '9'; ++i)
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for (x = 11; x > 0; --x) {
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// CHECK: [[LOOP1_BODY]]
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// 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_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
|