e9bfa1dd38
Summary: Patch forces codegen to use the new runtime functions for task reductions where the issue with passing the address of the original variables to the UDR initializers is fixed. Also, this patch is required for upcoming support of task modifier inreduction clause. Reviewers: jdoerfert Subscribers: yaxunl, guansong, cfe-commits, caomhin Tags: #clang Differential Revision: https://reviews.llvm.org/D78733
84 lines
4.3 KiB
C++
84 lines
4.3 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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// 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 taskloop in_reduction(+:a) in_reduction(-:d)
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for (int i = 0; i < 5; ++i)
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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_taskred_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_taskred_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 96, 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: call void @__kmpc_taskloop(%struct.ident_t* @0, i32 [[GTID]], i8* [[TASK_T]], i32 1,
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// CHECK: 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: [[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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#endif
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