128 lines
7.1 KiB
C++
128 lines
7.1 KiB
C++
// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -x c++ -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -x c++ -emit-llvm -std=c++98 %s -o - | FileCheck %s
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -x c++ -emit-llvm -std=c++11 %s -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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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -fexceptions -fcxx-exceptions -x c++ -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -fexceptions -fcxx-exceptions -x c++ -emit-llvm -std=c++98 %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -fexceptions -fcxx-exceptions -x c++ -emit-llvm -std=c++11 %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -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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int a;
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int b;
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struct St {
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unsigned long field;
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St() {}
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~St() {}
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int &get() { return a; }
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};
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// CHECK-LABEL: parallel_atomic_ewc
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void parallel_atomic_ewc() {
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St s;
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#pragma omp parallel
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{
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// CHECK: invoke void @_ZN2StC1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR:%.+]])
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// CHECK: [[SCALAR_ADDR:%.+]] = invoke noundef nonnull align 4 dereferenceable(4) i32* @_ZN2St3getEv(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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// CHECK: [[SCALAR_VAL:%.+]] = load atomic i32, i32* [[SCALAR_ADDR]] monotonic, align 4
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// CHECK: store i32 [[SCALAR_VAL]], i32* @b
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// CHECK98: invoke void @_ZN2StD1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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// CHECK11: call void @_ZN2StD1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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#pragma omp atomic read
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b = St().get();
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// CHECK-DAG: invoke void @_ZN2StC1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR:%.+]])
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// CHECK-DAG: [[SCALAR_ADDR:%.+]] = invoke noundef nonnull align 4 dereferenceable(4) i32* @_ZN2St3getEv(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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// CHECK-DAG: [[B_VAL:%.+]] = load i32, i32* @b
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// CHECK: store atomic i32 [[B_VAL]], i32* [[SCALAR_ADDR]] monotonic, align 4
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// CHECK: {{invoke|call}} void @_ZN2StD1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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#pragma omp atomic write
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St().get() = b;
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// CHECK: invoke void @_ZN2StC1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR:%.+]])
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// CHECK: [[SCALAR_ADDR:%.+]] = invoke noundef nonnull align 4 dereferenceable(4) i32* @_ZN2St3getEv(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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// CHECK: [[B_VAL:%.+]] = load i32, i32* @b
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// CHECK: [[OLD_VAL:%.+]] = load atomic i32, i32* [[SCALAR_ADDR]] monotonic, align 4
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// CHECK: br label %[[OMP_UPDATE:.+]]
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// CHECK: [[OMP_UPDATE]]
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// CHECK: [[OLD_PHI_VAL:%.+]] = phi i32 [ [[OLD_VAL]], %{{.+}} ], [ [[NEW_OLD_VAL:%.+]], %[[OMP_UPDATE]] ]
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// CHECK: [[NEW_VAL:%.+]] = srem i32 [[OLD_PHI_VAL]], [[B_VAL]]
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// CHECK: store i32 [[NEW_VAL]], i32* [[TEMP:%.+]],
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// CHECK: [[NEW_VAL:%.+]] = load i32, i32* [[TEMP]],
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// CHECK: [[RES:%.+]] = cmpxchg i32* [[SCALAR_ADDR]], i32 [[OLD_PHI_VAL]], i32 [[NEW_VAL]] monotonic monotonic, align 4
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// CHECK: [[NEW_OLD_VAL]] = extractvalue { i32, i1 } [[RES]], 0
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// CHECK: [[COND:%.+]] = extractvalue { i32, i1 } [[RES]], 1
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// CHECK: br i1 [[COND]], label %[[OMP_DONE:.+]], label %[[OMP_UPDATE]]
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// CHECK: [[OMP_DONE]]
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// CHECK: {{invoke|call}} void @_ZN2StD1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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#pragma omp atomic
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St().get() %= b;
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#pragma omp atomic hint(6)
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s.field++;
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// CHECK: invoke void @_ZN2StC1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR:%.+]])
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// CHECK: [[SCALAR_ADDR:%.+]] = invoke noundef nonnull align 4 dereferenceable(4) i32* @_ZN2St3getEv(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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// CHECK: [[B_VAL:%.+]] = load i32, i32* @b
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// CHECK: [[OLD_VAL:%.+]] = load atomic i32, i32* [[SCALAR_ADDR]] monotonic, align 4
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// CHECK: br label %[[OMP_UPDATE:.+]]
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// CHECK: [[OMP_UPDATE]]
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// CHECK: [[OLD_PHI_VAL:%.+]] = phi i32 [ [[OLD_VAL]], %{{.+}} ], [ [[NEW_OLD_VAL:%.+]], %[[OMP_UPDATE]] ]
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// CHECK: [[NEW_CALC_VAL:%.+]] = srem i32 [[OLD_PHI_VAL]], [[B_VAL]]
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// CHECK: store i32 [[NEW_CALC_VAL]], i32* [[TEMP:%.+]],
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// CHECK: [[NEW_VAL:%.+]] = load i32, i32* [[TEMP]],
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// CHECK: [[RES:%.+]] = cmpxchg i32* [[SCALAR_ADDR]], i32 [[OLD_PHI_VAL]], i32 [[NEW_VAL]] monotonic monotonic, align 4
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// CHECK: [[NEW_OLD_VAL]] = extractvalue { i32, i1 } [[RES]], 0
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// CHECK: [[COND:%.+]] = extractvalue { i32, i1 } [[RES]], 1
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// CHECK: br i1 [[COND]], label %[[OMP_DONE:.+]], label %[[OMP_UPDATE]]
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// CHECK: [[OMP_DONE]]
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// CHECK: store i32 [[NEW_CALC_VAL]], i32* @a,
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// CHECK: {{invoke|call}} void @_ZN2StD1Ev(%struct.St* {{[^,]*}} [[TEMP_ST_ADDR]])
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#pragma omp atomic capture
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a = St().get() %= b;
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}
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}
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int &foo() { extern void mayThrow(); mayThrow(); return a; }
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// TERM_DEBUG-LABEL: parallel_atomic
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void parallel_atomic() {
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#pragma omp parallel
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{
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#pragma omp atomic read
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// TERM_DEBUG-NOT: __kmpc_global_thread_num
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// TERM_DEBUG: invoke {{.*}}foo{{.*}}()
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// TERM_DEBUG: unwind label %[[TERM_LPAD:.+]],
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// TERM_DEBUG: load atomic i32, i32* @{{.+}} monotonic, align 4, !dbg [[READ_LOC:![0-9]+]]
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foo() = a;
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#pragma omp atomic write
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// TERM_DEBUG-NOT: __kmpc_global_thread_num
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// TERM_DEBUG: invoke {{.*}}foo{{.*}}()
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// TERM_DEBUG: unwind label %[[TERM_LPAD:.+]],
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// TERM_DEBUG-NOT: __kmpc_global_thread_num
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// TERM_DEBUG: store atomic i32 {{%.+}}, i32* @{{.+}} monotonic, align 4, !dbg [[WRITE_LOC:![0-9]+]]
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a = foo();
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#pragma omp atomic update
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// TERM_DEBUG-NOT: __kmpc_global_thread_num
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// TERM_DEBUG: invoke {{.*}}foo{{.*}}()
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// TERM_DEBUG: unwind label %[[TERM_LPAD:.+]],
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// TERM_DEBUG-NOT: __kmpc_global_thread_num
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// TERM_DEBUG: atomicrmw add i32* @{{.+}}, i32 %{{.+}} monotonic, align 4, !dbg [[UPDATE_LOC:![0-9]+]]
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a += foo();
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#pragma omp atomic capture
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// TERM_DEBUG-NOT: __kmpc_global_thread_num
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// TERM_DEBUG: invoke {{.*}}foo{{.*}}()
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// TERM_DEBUG: unwind label %[[TERM_LPAD:.+]],
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// TERM_DEBUG-NOT: __kmpc_global_thread_num
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// TERM_DEBUG: [[OLD_VAL:%.+]] = atomicrmw add i32* @{{.+}}, i32 %{{.+}} monotonic, align 4, !dbg [[CAPTURE_LOC:![0-9]+]]
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// TERM_DEBUG: store i32 [[OLD_VAL]], i32* @b,
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{b = a; a += foo(); }
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}
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// TERM_DEBUG: [[TERM_LPAD]]
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// TERM_DEBUG: call void @__clang_call_terminate
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// TERM_DEBUG: unreachable
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}
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// TERM_DEBUG-DAG: [[READ_LOC]] = !DILocation(line: [[@LINE-28]],
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// TERM_DEBUG-DAG: [[WRITE_LOC]] = !DILocation(line: [[@LINE-22]],
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// TERM_DEBUG-DAG: [[UPDATE_LOC]] = !DILocation(line: [[@LINE-16]],
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// TERM_DEBUG-DAG: [[CAPTURE_LOC]] = !DILocation(line: [[@LINE-9]],
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