1 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -x c++ -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4 // expected-no-diagnostics
5 #ifndef HEADER
6 #define HEADER
7 
8 // CHECK: [[PRIVATES:%.+]] = type { i8*, i8* }
9 
10 struct S {
11   int a;
12   S() : a(0) {}
13   S(const S&) {}
14   S& operator=(const S&) {return *this;}
15   ~S() {}
16   friend S operator+(const S&a, const S&b) {return a;}
17 };
18 
19 
20 int main(int argc, char **argv) {
21   int a;
22   float b;
23   S c[5];
24   short d[argc];
25 #pragma omp taskgroup task_reduction(+: a, b, argc)
26   {
27 #pragma omp taskgroup task_reduction(-:c, d)
28 #pragma omp parallel
29 #pragma omp task in_reduction(+:a) in_reduction(-:d)
30     a += d[a];
31   }
32   return 0;
33 }
34 
35 // CHECK-LABEL: @main
36 // CHECK:       void @__kmpc_taskgroup(%ident_t* @0, i32 [[GTID:%.+]])
37 // CHECK:       [[TD1:%.+]] = call i8* @__kmpc_task_reduction_init(i32 [[GTID]], i32 3, i8* %
38 // CHECK-NEXT:  store i8* [[TD1]], i8** [[TD1_ADDR:%[^,]+]],
39 // CHECK-NEXT:  call void @__kmpc_taskgroup(%ident_t* @0, i32 [[GTID]])
40 // CHECK:       [[TD2:%.+]] = call i8* @__kmpc_task_reduction_init(i32 [[GTID]], i32 2, i8* %
41 // CHECK-NEXT:  store i8* [[TD2]], i8** [[TD2_ADDR:%[^,]+]],
42 // CHECK-NEXT:  call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%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]])
43 // CHECK-NEXT:  call void @__kmpc_end_taskgroup(%ident_t* @0, i32 [[GTID]])
44 // CHECK-NEXT:  call void @__kmpc_end_taskgroup(%ident_t* @0, i32 [[GTID]])
45 
46 // CHECK:       define internal void [[OMP_PARALLEL]](
47 // CHECK:       [[TASK_T:%.+]] = call i8* @__kmpc_omp_task_alloc(%ident_t* @0, i32 [[GTID:%.+]], i32 1, i64 56, i64 40, i32 (i32, i8*)* bitcast (i32 (i32, [[T:%.+]]*)* [[OMP_TASK:@.+]] to i32 (i32, i8*)*))
48 // CHECK-NEXT:  [[TASK_T_WITH_PRIVS:%.+]] = bitcast i8* [[TASK_T]] to [[T]]*
49 // CHECK:       [[PRIVS:%.+]] = getelementptr inbounds [[T]], [[T]]* [[TASK_T_WITH_PRIVS]], i32 0, i32 1
50 // CHECK:       [[TD1_REF:%.+]] = getelementptr inbounds [[PRIVATES]], [[PRIVATES]]* [[PRIVS]], i32 0, i32 0
51 // CHECK-NEXT:  [[TD1_SHAR:%.+]] = getelementptr inbounds %
52 // CHECK-NEXT:  [[TD1_ADDR:%.+]] = load i8**, i8*** [[TD1_SHAR]],
53 // CHECK-NEXT:  [[TD1:%.+]] = load i8*, i8** [[TD1_ADDR]],
54 // CHECK-NEXT:  store i8* [[TD1]], i8** [[TD1_REF]],
55 // CHECK-NEXT:  [[TD2_REF:%.+]] = getelementptr inbounds [[PRIVATES]], [[PRIVATES]]* [[PRIVS]], i32 0, i32 1
56 // CHECK-NEXT:  [[TD2_SHAR:%.+]] = getelementptr inbounds %
57 // CHECK-NEXT:  [[TD2_ADDR:%.+]] = load i8**, i8*** [[TD2_SHAR]],
58 // CHECK-NEXT:  [[TD2:%.+]] = load i8*, i8** [[TD2_ADDR]],
59 // CHECK-NEXT:  store i8* [[TD2]], i8** [[TD2_REF]],
60 // CHECK-NEXT:  call i32 @__kmpc_omp_task(%ident_t* @0, i32 [[GTID]], i8* [[TASK_T]])
61 // CHECK-NEXT:  ret void
62 // CHECK-NEXT:  }
63 
64 // CHECK:       define internal {{.*}} [[OMP_TASK]](
65 // CHECK:       call void (i8*, ...) %{{[^(]+}}(i8* %{{.+}}, i8*** [[TD1_REF:%[^,]+]], i8*** [[TD2_REF:%[^,]+]])
66 // CHECK-NEXT:  [[TD1_ADDR:%.+]] = load i8**, i8*** [[TD1_REF]],
67 // CHECK-NEXT:  [[TD2_ADDR:%.+]] = load i8**, i8*** [[TD2_REF]],
68 // CHECK-NEXT:  [[A_REF:%.+]] = getelementptr inbounds %
69 // CHECK-NEXT:  [[A_ADDR:%.+]] = load i32*, i32** [[A_REF]],
70 // CHECK-NEXT:  [[TD1:%.+]] = load i8*, i8** [[TD1_ADDR]],
71 // CHECK-NEXT:  [[GTID:%.+]] = load i32, i32* %
72 // CHECK-NEXT:  [[A_PTR:%.+]] = bitcast i32* [[A_ADDR]] to i8*
73 // CHECK-NEXT:  call i8* @__kmpc_task_reduction_get_th_data(i32 [[GTID]], i8* [[TD1]], i8* [[A_PTR]])
74 // CHECK:       [[D_REF:%.+]] = getelementptr inbounds %
75 // CHECK-NEXT:  [[D_ADDR:%.+]] = load i16*, i16** [[D_REF]],
76 // CHECK:       [[TD2:%.+]] = load i8*, i8** [[TD2_ADDR]],
77 // CHECK-NEXT:  [[D_PTR:%.+]] = bitcast i16* [[D_ADDR]] to i8*
78 // CHECK-NEXT:  call i8* @__kmpc_task_reduction_get_th_data(i32 [[GTID]], i8* [[TD2]], i8* [[D_PTR]])
79 // CHECK:       add nsw i32
80 // CHECK:       store i32 %
81 #endif
82