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clang-p2996/clang/test/OpenMP/taskloop_simd_in_reduction_codegen.cpp
Alexey Bataev b3998a0edb [OPENMP]Fix PR45047: Do not copy firstprivates in tasks twice.
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.
2020-03-13 18:04:16 -04:00

84 lines
4.3 KiB
C++

// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -x c++ -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -x c++ -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
// RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
// 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
// SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
// CHECK: [[PRIVATES:%.+]] = type { i8*, i8* }
struct S {
int a;
S() : a(0) {}
S(const S&) {}
S& operator=(const S&) {return *this;}
~S() {}
friend S operator+(const S&a, const S&b) {return a;}
};
int main(int argc, char **argv) {
int a;
float b;
S c[5];
short d[argc];
#pragma omp taskgroup task_reduction(+: a, b, argc)
{
#pragma omp taskgroup task_reduction(-:c, d)
#pragma omp parallel
#pragma omp taskloop simd in_reduction(+:a) in_reduction(-:d)
for (int i = 0; i < 5; ++i)
a += d[a];
}
return 0;
}
// CHECK-LABEL: @main
// CHECK: void @__kmpc_taskgroup(%struct.ident_t* @0, i32 [[GTID:%.+]])
// CHECK: [[TD1:%.+]] = call i8* @__kmpc_task_reduction_init(i32 [[GTID]], i32 3, i8* %
// CHECK-NEXT: store i8* [[TD1]], i8** [[TD1_ADDR:%[^,]+]],
// CHECK-NEXT: call void @__kmpc_taskgroup(%struct.ident_t* @0, i32 [[GTID]])
// CHECK: [[TD2:%.+]] = call i8* @__kmpc_task_reduction_init(i32 [[GTID]], i32 2, i8* %
// CHECK-NEXT: store i8* [[TD2]], i8** [[TD2_ADDR:%[^,]+]],
// 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]])
// CHECK-NEXT: call void @__kmpc_end_taskgroup(%struct.ident_t* @0, i32 [[GTID]])
// CHECK-NEXT: call void @__kmpc_end_taskgroup(%struct.ident_t* @0, i32 [[GTID]])
// CHECK: define internal void [[OMP_PARALLEL]](
// CHECK: [[TASK_T:%.+]] = call i8* @__kmpc_omp_task_alloc(%struct.ident_t* @0, i32 [[GTID:%.+]], i32 1, i64 96, i64 40, i32 (i32, i8*)* bitcast (i32 (i32, [[T:%.+]]*)* [[OMP_TASK:@.+]] to i32 (i32, i8*)*))
// CHECK-NEXT: [[TASK_T_WITH_PRIVS:%.+]] = bitcast i8* [[TASK_T]] to [[T]]*
// CHECK: [[PRIVS:%.+]] = getelementptr inbounds [[T]], [[T]]* [[TASK_T_WITH_PRIVS]], i32 0, i32 1
// CHECK: [[TD1_REF:%.+]] = getelementptr inbounds [[PRIVATES]], [[PRIVATES]]* [[PRIVS]], i32 0, i32 0
// CHECK-NEXT: [[TD1:%.+]] = load i8*, i8** %{{.+}},
// CHECK-NEXT: store i8* [[TD1]], i8** [[TD1_REF]],
// CHECK-NEXT: [[TD2_REF:%.+]] = getelementptr inbounds [[PRIVATES]], [[PRIVATES]]* [[PRIVS]], i32 0, i32 1
// CHECK-NEXT: [[TD2:%.+]] = load i8*, i8** %{{.+}},
// CHECK-NEXT: store i8* [[TD2]], i8** [[TD2_REF]],
// CHECK: call void @__kmpc_taskloop(%struct.ident_t* @0, i32 [[GTID]], i8* [[TASK_T]], i32 1,
// CHECK: ret void
// CHECK-NEXT: }
// CHECK: define internal {{.*}} [[OMP_TASK]](
// CHECK: call void (i8*, ...) %{{[^(]+}}(i8* %{{.+}}, i8*** [[TD1_REF:%[^,]+]], i8*** [[TD2_REF:%[^,]+]])
// CHECK-NEXT: [[TD1_ADDR:%.+]] = load i8**, i8*** [[TD1_REF]],
// CHECK-NEXT: [[TD2_ADDR:%.+]] = load i8**, i8*** [[TD2_REF]],
// CHECK-NEXT: [[A_REF:%.+]] = getelementptr inbounds %
// CHECK-NEXT: [[A_ADDR:%.+]] = load i32*, i32** [[A_REF]],
// CHECK-NEXT: [[TD1:%.+]] = load i8*, i8** [[TD1_ADDR]],
// CHECK-NEXT: [[GTID:%.+]] = load i32, i32* %
// CHECK-NEXT: [[A_PTR:%.+]] = bitcast i32* [[A_ADDR]] to i8*
// CHECK-NEXT: call i8* @__kmpc_task_reduction_get_th_data(i32 [[GTID]], i8* [[TD1]], i8* [[A_PTR]])
// CHECK: [[D_REF:%.+]] = getelementptr inbounds %
// CHECK-NEXT: [[D_ADDR:%.+]] = load i16*, i16** [[D_REF]],
// CHECK: [[TD2:%.+]] = load i8*, i8** [[TD2_ADDR]],
// CHECK-NEXT: [[D_PTR:%.+]] = bitcast i16* [[D_ADDR]] to i8*
// CHECK-NEXT: call i8* @__kmpc_task_reduction_get_th_data(i32 [[GTID]], i8* [[TD2]], i8* [[D_PTR]])
// CHECK: add nsw i32
// CHECK: store i32 %
#endif