1 // Test host codegen only.
2 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
3 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -o %t %s
4 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
5 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
6 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-pch -o %t %s
7 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
8 
9 // expected-no-diagnostics
10 #ifndef HEADER
11 #define HEADER
12 
13 // CHECK: [[ANON_T:%.+]] = type { i32*, i32* }
14 // CHECK-DAG: [[SIZES_TEMPLATE:@.+]] = private {{.+}} constant [5 x i[[PTRSZ:32|64]]] [i{{32|64}} 4, i{{32|64}} 4, i{{32|64}} {{8|16}}, i{{32|64}} 0, i{{32|64}} 0]
15 // CHECK-DAG: [[TYPES_TEMPLATE:@.+]] = private {{.+}} constant [5 x i64] [i64 800, i64 800, i64 673, i64 844424930132752, i64 844424930132752]
16 // CHECK-DAG: [[SIZES:@.+]] = private {{.+}} constant [3 x i[[PTRSZ:32|64]]] [i{{32|64}} {{8|16}}, i{{32|64}} 0, i{{32|64}} 0]
17 // CHECK-DAG: [[TYPES:@.+]] = private {{.+}} constant [3 x i64] [i64 673, i64 281474976711440, i64 281474976711440]
18 
19 template <typename F>
omp_loop(int start,int end,F body)20 void omp_loop(int start, int end, F body) {
21 #pragma omp target teams distribute parallel for
22   for (int i = start; i < end; ++i) {
23     body(i);
24   }
25 }
26 
27 // CHECK: define {{.*}}[[MAIN:@.+]](
main()28 int main()
29 {
30   int* p = new int[100];
31   int* q = new int[100];
32   auto body = [=](int i){
33     p[i] = q[i];
34   };
35 
36 #pragma omp target teams distribute parallel for
37   for (int i = 0; i < 100; ++i) {
38     body(i);
39   }
40 
41 // CHECK: [[BASE_PTRS:%.+]] = alloca [3 x i8*]{{.+}}
42 // CHECK: [[PTRS:%.+]] = alloca [3 x i8*]{{.+}}
43 
44 // First gep of pointers inside lambdas to store the values across function call need to be ignored
45 // CHECK: {{%.+}} = getelementptr inbounds [[ANON_T]], [[ANON_T]]* %{{.+}}, i{{.+}} 0, i{{.+}} 0
46 // CHECK: {{%.+}} = getelementptr inbounds [[ANON_T]], [[ANON_T]]* %{{.+}}, i{{.+}} 0, i{{.+}} 1
47 
48 // access of pointers inside lambdas
49 // CHECK: [[BASE_PTR1:%.+]] = getelementptr inbounds [[ANON_T]], [[ANON_T]]* %{{.+}}, i{{.+}} 0, i{{.+}} 0
50 // CHECK: [[PTR1:%.+]] = load i32*, i32** [[BASE_PTR1]]
51 // CHECK: [[BASE_PTR2:%.+]] = getelementptr inbounds [[ANON_T]], [[ANON_T]]* %{{.+}}, i{{.+}} 0, i{{.+}} 1
52 // CHECK: [[PTR2:%.+]] = load i32*, i32** [[BASE_PTR2]]
53 
54 // storage of pointers in baseptrs and ptrs arrays
55 // CHECK: [[LOC_LAMBDA:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[BASE_PTRS]], i{{.+}} 0, i{{.+}} 0
56 // CHECK: [[CAST_LAMBDA:%.+]] = bitcast i8** [[LOC_LAMBDA]] to [[ANON_T]]**
57 // CHECK: store [[ANON_T]]* %{{.+}}, [[ANON_T]]** [[CAST_LAMBDA]]{{.+}}
58 // CHECK: [[LOC_LAMBDA:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[PTRS]], i{{.+}} 0, i{{.+}} 0
59 // CHECK: [[CAST_LAMBDA:%.+]] = bitcast i8** [[LOC_LAMBDA]] to [[ANON_T]]**
60 // CHECK: store [[ANON_T]]* %{{.+}}, [[ANON_T]]** [[CAST_LAMBDA]]{{.+}}
61 
62 // CHECK: [[LOC_PTR1:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[BASE_PTRS]], i{{.+}} 0, i{{.+}} 1
63 // CHECK: [[CAST_PTR1:%.+]] = bitcast i8** [[LOC_PTR1]] to i32***
64 // CHECK: store i32** [[BASE_PTR1]], i32*** [[CAST_PTR1]]{{.+}}
65 // CHECK: [[LOC_PTR1:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[PTRS]], i{{.+}} 0, i{{.+}} 1
66 // CHECK: [[CAST_PTR1:%.+]] = bitcast i8** [[LOC_PTR1]] to i32**
67 // CHECK: store i32* [[PTR1]], i32** [[CAST_PTR1]]{{.+}}
68 
69 
70 // CHECK: [[LOC_PTR2:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[BASE_PTRS]], i{{.+}} 0, i{{.+}} 2
71 // CHECK: [[CAST_PTR2:%.+]] = bitcast i8** [[LOC_PTR2]] to i32***
72 // CHECK: store i32** [[BASE_PTR2]], i32*** [[CAST_PTR2]]{{.+}}
73 // CHECK: [[LOC_PTR2:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[PTRS]], i{{.+}} 0, i{{.+}} 2
74 // CHECK: [[CAST_PTR2:%.+]] = bitcast i8** [[LOC_PTR2]] to i32**
75 // CHECK: store i32* [[PTR2]], i32** [[CAST_PTR2]]{{.+}}
76 
77 
78 // actual target invocation
79 // CHECK: [[BASES_GEP:%.+]] = getelementptr {{.+}} [3 x {{.+}}*], [3 x {{.+}}*]* [[BASE_PTRS]], {{.+}} 0, {{.+}} 0
80 // CHECK: [[PTRS_GEP:%.+]] = getelementptr {{.+}} [3 x {{.+}}*], [3 x {{.+}}*]* [[PTRS]], {{.+}} 0, {{.+}} 0
81 // CHECK: {{%.+}} = call{{.+}} @__tgt_target_teams_mapper(%struct.ident_t* @{{.+}}, {{.+}}, {{.+}}, {{.+}}, i8** [[BASES_GEP]], i8** [[PTRS_GEP]], i[[PTRSZ]]* getelementptr inbounds ([3 x i{{.+}}], [3 x i{{.+}}]* [[SIZES]], i{{.+}} 0, i{{.+}} 0), i64* getelementptr inbounds ([3 x i64], [3 x i64]* [[TYPES]], i{{.+}} 0, i{{.+}} 0), i8** null, i8** null, {{.+}}, {{.+}})
82 
83 
84   omp_loop(0,100,body);
85 }
86 
87 // CHECK: [[BASE_PTRS:%.+]] = alloca [5 x i8*]{{.+}}
88 // CHECK: [[PTRS:%.+]] = alloca [5 x i8*]{{.+}}
89 
90 // access of pointers inside lambdas
91 // CHECK: [[BASE_PTR1:%.+]] = getelementptr inbounds [[ANON_T]], [[ANON_T]]* %{{.+}}, i{{.+}} 0, i{{.+}} 0
92 // CHECK: [[PTR1:%.+]] = load i32*, i32** [[BASE_PTR1]]
93 // CHECK: [[BASE_PTR2:%.+]] = getelementptr inbounds [[ANON_T]], [[ANON_T]]* %{{.+}}, i{{.+}} 0, i{{.+}} 1
94 // CHECK: [[PTR2:%.+]] = load i32*, i32** [[BASE_PTR2]]
95 
96 // storage of pointers in baseptrs and ptrs arrays
97 // CHECK: [[LOC_LAMBDA:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[BASE_PTRS]], i{{.+}} 0, i{{.+}} 2
98 // CHECK: [[CAST_LAMBDA:%.+]] = bitcast i8** [[LOC_LAMBDA]] to [[ANON_T]]**
99 // CHECK: store [[ANON_T]]* %{{.+}}, [[ANON_T]]** [[CAST_LAMBDA]]{{.+}}
100 // CHECK: [[LOC_LAMBDA:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[PTRS]], i{{.+}} 0, i{{.+}} 2
101 // CHECK: [[CAST_LAMBDA:%.+]] = bitcast i8** [[LOC_LAMBDA]] to [[ANON_T]]**
102 // CHECK: store [[ANON_T]]* %{{.+}}, [[ANON_T]]** [[CAST_LAMBDA]]{{.+}}
103 
104 // CHECK: [[LOC_PTR1:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[BASE_PTRS]], i{{.+}} 0, i{{.+}} 3
105 // CHECK: [[CAST_PTR1:%.+]] = bitcast i8** [[LOC_PTR1]] to i32***
106 // CHECK: store i32** [[BASE_PTR1]], i32*** [[CAST_PTR1]]{{.+}}
107 // CHECK: [[LOC_PTR1:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[PTRS]], i{{.+}} 0, i{{.+}} 3
108 // CHECK: [[CAST_PTR1:%.+]] = bitcast i8** [[LOC_PTR1]] to i32**
109 // CHECK: store i32* [[PTR1]], i32** [[CAST_PTR1]]{{.+}}
110 
111 
112 // CHECK: [[LOC_PTR2:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[BASE_PTRS]], i{{.+}} 0, i{{.+}} 4
113 // CHECK: [[CAST_PTR2:%.+]] = bitcast i8** [[LOC_PTR2]] to i32***
114 // CHECK: store i32** [[BASE_PTR2]], i32*** [[CAST_PTR2]]{{.+}}
115 // CHECK: [[LOC_PTR2:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[PTRS]], i{{.+}} 0, i{{.+}} 4
116 // CHECK: [[CAST_PTR2:%.+]] = bitcast i8** [[LOC_PTR2]] to i32**
117 // CHECK: store i32* [[PTR2]], i32** [[CAST_PTR2]]{{.+}}
118 
119 
120 // actual target invocation
121 // CHECK: [[BASES_GEP:%.+]] = getelementptr {{.+}} [5 x {{.+}}*], [5 x {{.+}}*]* [[BASE_PTRS]], {{.+}} 0, {{.+}} 0
122 // CHECK: [[PTRS_GEP:%.+]] = getelementptr {{.+}} [5 x {{.+}}*], [5 x {{.+}}*]* [[PTRS]], {{.+}} 0, {{.+}} 0
123 // CHECK: {{%.+}} = call{{.+}} @__tgt_target_teams_mapper(%struct.ident_t* @{{.+}}, {{.+}}, {{.+}}, {{.+}}, i8** [[BASES_GEP]], i8** [[PTRS_GEP]], i[[PTRSZ]]* getelementptr inbounds ([5 x i{{.+}}], [5 x i{{.+}}]* [[SIZES_TEMPLATE]], i{{.+}} 0, i{{.+}} 0), i64* getelementptr inbounds ([5 x i64], [5 x i64]* [[TYPES_TEMPLATE]], i{{.+}} 0, i{{.+}} 0), i8** null, i8** null, {{.+}}, {{.+}})
124 
125 #endif
126