255 lines
13 KiB
C++
255 lines
13 KiB
C++
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s --check-prefixes=CHECK,OMP50
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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 -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -fopenmp-version=45 -o - | FileCheck %s --check-prefixes=CHECK,OMP45
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -fopenmp-version=45 -o %t %s
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// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -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 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -fopenmp-simd -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-simd -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
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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: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8*
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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) ordered
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// CHECK: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 66, i32 0, i32 4571423, i32 1, i32 1)
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//
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// 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:%[^,]+]])
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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 i32, i32* [[OMP_LB]]
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// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
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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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// ... start of ordered region ...
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// CHECK-NEXT: call void @__kmpc_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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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.access.group
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// CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// ... end of ordered region ...
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#pragma omp ordered
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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: call void @__kmpc_dispatch_fini_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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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}} @{{.*}}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(dynamic) ordered
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// OMP45: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 67, i64 0, i64 16908287, i64 1, i64 1)
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// OMP50: call void @__kmpc_dispatch_init_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741891, 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: [[BOUND:%.+]] = add i64 [[UB]], 1
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// CHECK-NEXT: [[CMP:%.+]] = icmp ult i64 [[IV]], [[BOUND]]
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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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// ... start of ordered region ...
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// CHECK-NEXT: call void @__kmpc_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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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.access.group
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// CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// ... end of ordered region ...
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#pragma omp ordered threads
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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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// ... end iteration for ordered loop ...
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// CHECK-NEXT: call void @__kmpc_dispatch_fini_8u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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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) ordered
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// OMP45: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 70, i64 0, i64 [[LAST_ITER:%[^,]+]], i64 1, i64 1)
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// OMP50: call void @__kmpc_dispatch_init_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741894, 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:
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// CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}}
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// CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}}
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// ... start of ordered region ...
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// CHECK: call void @__kmpc_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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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.access.group
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// CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// ... end of ordered region ...
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#pragma omp ordered
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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 nsw i64 [[IV1_2]], 1
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// CHECK-NEXT: store i64 [[ADD1_2]], i64* [[OMP_IV]]
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// ... end iteration for ordered loop ...
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// CHECK-NEXT: call void @__kmpc_dispatch_fini_8([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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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}} @{{.*}}runtime{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
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void runtime(float *a, float *b, float *c, float *d) {
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int x = 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 collapse(2) schedule(runtime) ordered
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// OMP45: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 69, i32 0, i32 199, i32 1, i32 1)
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// OMP50: call void @__kmpc_dispatch_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 1073741893, i32 0, i32 199, i32 1, i32 1)
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//
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// 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:%[^,]+]])
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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 i32, i32* [[OMP_LB]]
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// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
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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 (unsigned char i = '0' ; i <= '9'; ++i)
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for (x = -10; x < 10; ++x) {
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// CHECK: [[LOOP1_BODY]]
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// Start of body: indices are calculated from IV:
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// CHECK: store i8 {{%[^,]+}}, i8* {{%[^,]+}}
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// CHECK: store i32 {{%[^,]+}}, i32* {{%[^,]+}}
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// ... start of ordered region ...
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// CHECK: call void @__kmpc_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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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.access.group
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// CHECK-NEXT: call void @__kmpc_end_ordered([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// ... end of ordered region ...
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#pragma omp ordered threads
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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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// ... end iteration for ordered loop ...
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// CHECK-NEXT: call void @__kmpc_dispatch_fini_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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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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||
|
|
float f[10];
|
||
|
|
// CHECK-LABEL: foo_simd
|
||
|
|
void foo_simd(int low, int up) {
|
||
|
|
// CHECK: store float 0.000000e+00, float* %{{.+}}, align {{[0-9]+}}, !llvm.access.group !
|
||
|
|
// CHECK-NEXT: call void [[CAP_FUNC:@.+]](i32* %{{.+}}), !llvm.access.group !
|
||
|
|
#pragma omp simd
|
||
|
|
for (int i = low; i < up; ++i) {
|
||
|
|
f[i] = 0.0;
|
||
|
|
#pragma omp ordered simd
|
||
|
|
f[i] = 1.0;
|
||
|
|
}
|
||
|
|
// CHECK: store float 0.000000e+00, float* %{{.+}}, align {{[0-9]+}}
|
||
|
|
// CHECK-NEXT: call void [[CAP_FUNC:@.+]](i32* %{{.+}})
|
||
|
|
#pragma omp for simd ordered
|
||
|
|
for (int i = low; i < up; ++i) {
|
||
|
|
f[i] = 0.0;
|
||
|
|
#pragma omp ordered simd
|
||
|
|
f[i] = 1.0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: define internal void [[CAP_FUNC]](i32* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %{{.+}}) #
|
||
|
|
// CHECK: store float 1.000000e+00, float* %{{.+}}, align
|
||
|
|
// CHECK-NEXT: ret void
|
||
|
|
|
||
|
|
#endif // HEADER
|
||
|
|
|