93 lines
4.2 KiB
C++
93 lines
4.2 KiB
C++
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck %s
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -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-LABEL: foo
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void foo() { extern void mayThrow(); mayThrow(); };
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// CHECK-LABEL: bar
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void bar() { extern void mayThrow(); mayThrow(); };
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template <class T>
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T tmain() {
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#pragma omp parallel sections
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{
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foo();
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}
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return T();
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}
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// CHECK-LABEL: @main
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int main() {
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// CHECK: call void (%{{.+}}*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%{{.+}}* @{{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OMP_PARALLEL_FUNC:@.+]] to void (i32*, i32*, ...)*))
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// CHECK-LABEL: }
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// CHECK: define internal void [[OMP_PARALLEL_FUNC]](i32* noalias [[GTID_PARAM_ADDR:%.+]], i32* noalias %{{.+}})
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// CHECK: store i32* [[GTID_PARAM_ADDR]], i32** [[GTID_REF_ADDR:%.+]],
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#pragma omp parallel sections
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{
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// CHECK: store i32 0, i32* [[LB_PTR:%.+]],
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// CHECK: store i32 1, i32* [[UB_PTR:%.+]],
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// CHECK: call void @__kmpc_for_static_init_4(%{{.+}}* @{{.+}}, i32 [[GTID:%.+]], i32 34, i32* [[IS_LAST_PTR:%.+]], i32* [[LB_PTR]], i32* [[UB_PTR]], i32* [[STRIDE_PTR:%.+]], i32 1, i32 1)
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// <<UB = min(UB, GlobalUB);>>
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// CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]]
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// CHECK: [[CMP:%.+]] = icmp slt i32 [[UB]], 1
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// CHECK: [[MIN_UB_GLOBALUB:%.+]] = select i1 [[CMP]], i32 [[UB]], i32 1
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// CHECK: store i32 [[MIN_UB_GLOBALUB]], i32* [[UB_PTR]]
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// <<IV = LB;>>
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// CHECK: [[LB:%.+]] = load i32, i32* [[LB_PTR]]
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// CHECK: store i32 [[LB]], i32* [[IV_PTR:%.+]]
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// CHECK: br label %[[INNER_FOR_COND:.+]]
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// CHECK: [[INNER_FOR_COND]]
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// <<IV <= UB?>>
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// CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
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// CHECK: [[UB:%.+]] = load i32, i32* [[UB_PTR]]
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// CHECK: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
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// CHECK: br i1 [[CMP]], label %[[INNER_LOOP_BODY:.+]], label %[[INNER_LOOP_END:.+]]
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// CHECK: [[INNER_LOOP_BODY]]
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// <<TRUE>> - > <BODY>
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// CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
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// CHECK: switch i32 [[IV]], label %[[SECTIONS_EXIT:.+]] [
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// CHECK-NEXT: i32 0, label %[[SECTIONS_CASE0:.+]]
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// CHECK-NEXT: i32 1, label %[[SECTIONS_CASE1:.+]]
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#pragma omp section
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// CHECK: [[SECTIONS_CASE0]]
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// CHECK-NEXT: invoke void @{{.*}}foo{{.*}}()
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// CHECK: br label %[[SECTIONS_EXIT]]
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foo();
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#pragma omp section
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// CHECK: [[SECTIONS_CASE1]]
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// CHECK-NEXT: invoke void @{{.*}}bar{{.*}}()
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// CHECK: br label %[[SECTIONS_EXIT]]
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bar();
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// CHECK: [[SECTIONS_EXIT]]
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// <<++IV;>>
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// CHECK: [[IV:%.+]] = load i32, i32* [[IV_PTR]]
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// CHECK-NEXT: [[INC:%.+]] = add nsw i32 [[IV]], 1
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// CHECK-NEXT: store i32 [[INC]], i32* [[IV_PTR]]
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// CHECK-NEXT: br label %[[INNER_FOR_COND]]
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// CHECK: [[INNER_LOOP_END]]
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}
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// CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]])
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return tmain<int>();
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}
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// CHECK-LABEL: tmain
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// CHECK: call void {{.*}} @__kmpc_fork_call(
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// CHECK-NOT: __kmpc_global_thread_num
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// CHECK: call void @__kmpc_for_static_init_4(
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// CHECK: invoke void @{{.*}}foo{{.*}}()
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// CHECK-NEXT: unwind label %[[TERM_LPAD:.+]]
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// CHECK: call void @__kmpc_for_static_fini(
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// CHECK-NEXT: ret
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// CHECK: [[TERM_LPAD]]
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// CHECK: call void @__clang_call_terminate(i8*
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// CHECK-NEXT: unreachable
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#endif
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