b3998a0edb
Avoid copying of the orignal variable if it is going to be marked as firstprivate in task regions. For taskloops, still need to copy the non-trvially copyable variables to correctly construct them upon task creation.
95 lines
4.9 KiB
C++
95 lines
4.9 KiB
C++
// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -x c++ -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -x c++ -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -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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typedef void **omp_allocator_handle_t;
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extern const omp_allocator_handle_t omp_default_mem_alloc;
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extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
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extern const omp_allocator_handle_t omp_const_mem_alloc;
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extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
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extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
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extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
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extern const omp_allocator_handle_t omp_pteam_mem_alloc;
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extern const omp_allocator_handle_t omp_thread_mem_alloc;
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// CHECK: [[PRIVATES:%.+]] = type { i8*, i8* }
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struct S {
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int a;
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S() : a(0) {}
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S(const S&) {}
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S& operator=(const S&) {return *this;}
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~S() {}
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friend S operator+(const S&a, const S&b) {return a;}
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};
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int main(int argc, char **argv) {
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int a;
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float b;
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S c[5];
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short d[argc];
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#pragma omp taskgroup task_reduction(+: a, b, argc)
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{
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#pragma omp taskgroup task_reduction(-:c, d)
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#pragma omp parallel
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#pragma omp task in_reduction(+:a) in_reduction(-:d) allocate(omp_high_bw_mem_alloc: d)
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a += d[a];
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}
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return 0;
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}
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// CHECK-LABEL: @main
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// CHECK: void @__kmpc_taskgroup(%struct.ident_t* @0, i32 [[GTID:%.+]])
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// CHECK: [[TD1:%.+]] = call i8* @__kmpc_task_reduction_init(i32 [[GTID]], i32 3, i8* %
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// CHECK-NEXT: store i8* [[TD1]], i8** [[TD1_ADDR:%[^,]+]],
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// CHECK-NEXT: call void @__kmpc_taskgroup(%struct.ident_t* @0, i32 [[GTID]])
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// CHECK: [[TD2:%.+]] = call i8* @__kmpc_task_reduction_init(i32 [[GTID]], i32 2, i8* %
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// CHECK-NEXT: store i8* [[TD2]], i8** [[TD2_ADDR:%[^,]+]],
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// CHECK-NEXT: call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @0, i32 5, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*, i64, i16*, i8**, i8**)* [[OMP_PARALLEL:@.+]] to void (i32*, i32*, ...)*), i32* %{{.+}}, i64 %{{.+}}, i16* %{{.+}}, i8** [[TD1_ADDR]], i8** [[TD2_ADDR]])
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// CHECK-NEXT: call void @__kmpc_end_taskgroup(%struct.ident_t* @0, i32 [[GTID]])
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// CHECK-NEXT: call void @__kmpc_end_taskgroup(%struct.ident_t* @0, i32 [[GTID]])
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// CHECK: define internal void [[OMP_PARALLEL]](
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// CHECK: [[TASK_T:%.+]] = call i8* @__kmpc_omp_task_alloc(%struct.ident_t* @0, i32 [[GTID:%.+]], i32 1, i64 56, i64 40, i32 (i32, i8*)* bitcast (i32 (i32, [[T:%.+]]*)* [[OMP_TASK:@.+]] to i32 (i32, i8*)*))
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// CHECK-NEXT: [[TASK_T_WITH_PRIVS:%.+]] = bitcast i8* [[TASK_T]] to [[T]]*
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// CHECK: [[PRIVS:%.+]] = getelementptr inbounds [[T]], [[T]]* [[TASK_T_WITH_PRIVS]], i32 0, i32 1
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// CHECK: [[TD1_REF:%.+]] = getelementptr inbounds [[PRIVATES]], [[PRIVATES]]* [[PRIVS]], i32 0, i32 0
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// CHECK-NEXT: [[TD1:%.+]] = load i8*, i8** %{{.+}},
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// CHECK-NEXT: store i8* [[TD1]], i8** [[TD1_REF]],
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// CHECK-NEXT: [[TD2_REF:%.+]] = getelementptr inbounds [[PRIVATES]], [[PRIVATES]]* [[PRIVS]], i32 0, i32 1
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// CHECK-NEXT: [[TD2:%.+]] = load i8*, i8** %{{.+}},
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// CHECK-NEXT: store i8* [[TD2]], i8** [[TD2_REF]],
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// CHECK-NEXT: call i32 @__kmpc_omp_task(%struct.ident_t* @0, i32 [[GTID]], i8* [[TASK_T]])
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// CHECK-NEXT: ret void
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// CHECK-NEXT: }
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// CHECK: define internal {{.*}} [[OMP_TASK]](
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// CHECK: call void (i8*, ...) %{{[^(]+}}(i8* %{{.+}}, i8*** [[TD1_REF:%[^,]+]], i8*** [[TD2_REF:%[^,]+]])
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// CHECK-NEXT: [[TD1_ADDR:%.+]] = load i8**, i8*** [[TD1_REF]],
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// CHECK-NEXT: [[TD2_ADDR:%.+]] = load i8**, i8*** [[TD2_REF]],
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// CHECK-NEXT: [[A_REF:%.+]] = getelementptr inbounds %
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// CHECK-NEXT: [[A_ADDR:%.+]] = load i32*, i32** [[A_REF]],
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// CHECK-NEXT: [[TD1:%.+]] = load i8*, i8** [[TD1_ADDR]],
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// CHECK-NEXT: [[GTID:%.+]] = load i32, i32* %
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// CHECK-NEXT: [[A_PTR:%.+]] = bitcast i32* [[A_ADDR]] to i8*
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// CHECK-NEXT: call i8* @__kmpc_task_reduction_get_th_data(i32 [[GTID]], i8* [[TD1]], i8* [[A_PTR]])
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// CHECK: [[D_REF:%.+]] = getelementptr inbounds %
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// CHECK-NEXT: [[D_ADDR:%.+]] = load i16*, i16** [[D_REF]],
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// CHECK: call i8* @__kmpc_threadprivate_cached(
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// CHECK: [[TD2:%.+]] = load i8*, i8** [[TD2_ADDR]],
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// CHECK-NEXT: [[D_PTR:%.+]] = bitcast i16* [[D_ADDR]] to i8*
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// CHECK-NEXT: call i8* @__kmpc_task_reduction_get_th_data(i32 [[GTID]], i8* [[TD2]], i8* [[D_PTR]])
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// CHECK: add nsw i32
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// CHECK: store i32 %
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// CHECK-NOT: call i8* @__kmpc_threadprivate_cached(
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#endif
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