1 // RUN: %clang_cc1 -fopenmp -x c++ %s -verify -debug-info-kind=limited -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu | FileCheck %s
2 // expected-no-diagnostics
3 
4 struct S {
5   float a;
6   S() : a(0.0f) {}
7   ~S() {}
8 };
9 
10 #pragma omp declare reduction(+:S:omp_out.a += omp_in.a) initializer(omp_priv = omp_orig)
11 
12 float g;
13 
14 int a;
15 #pragma omp threadprivate(a)
16 int main (int argc, char *argv[])
17 {
18 int   i, n;
19 float a[100], b[100], sum, e[argc + 100];
20 S c[100];
21 float &d = g;
22 
23 /* Some initializations */
24 n = 100;
25 for (i=0; i < n; i++)
26   a[i] = b[i] = i * 1.0;
27 sum = 0.0;
28 
29 #pragma omp taskloop reduction(+:sum, c[:n], d, e)
30   for (i=0; i < n; i++) {
31     sum = sum + (a[i] * b[i]);
32     c[i].a = i*i;
33     d += i*i;
34     e[i] = i;
35   }
36 
37 }
38 
39 // CHECK-LABEL: @main(
40 // CHECK:    [[RETVAL:%.*]] = alloca i32,
41 // CHECK:    [[ARGC_ADDR:%.*]] = alloca i32,
42 // CHECK:    [[ARGV_ADDR:%.*]] = alloca i8**,
43 // CHECK:    [[I:%.*]] = alloca i32,
44 // CHECK:    [[N:%.*]] = alloca i32,
45 // CHECK:    [[A:%.*]] = alloca [100 x float],
46 // CHECK:    [[B:%.*]] = alloca [100 x float],
47 // CHECK:    [[SUM:%.*]] = alloca float,
48 // CHECK:    [[SAVED_STACK:%.*]] = alloca i8*,
49 // CHECK:    [[C:%.*]] = alloca [100 x %struct.S],
50 // CHECK:    [[D:%.*]] = alloca float*,
51 // CHECK:    [[AGG_CAPTURED:%.*]] = alloca [[STRUCT_ANON:%.*]],
52 // CHECK:    [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%ident_t*
53 // CHECK:    [[DOTRD_INPUT_:%.*]] = alloca [4 x %struct.kmp_task_red_input_t],
54 // CHECK:    [[DOTCAPTURE_EXPR_:%.*]] = alloca i32,
55 // CHECK:    [[DOTCAPTURE_EXPR_9:%.*]] = alloca i32,
56 // CHECK:    store i32 0, i32* [[RETVAL]],
57 // CHECK:    store i32 [[ARGC:%.*]], i32* [[ARGC_ADDR]],
58 // CHECK:    store i8** [[ARGV:%.*]], i8*** [[ARGV_ADDR]],
59 // CHECK:    [[TMP1:%.*]] = load i32, i32* [[ARGC_ADDR]],
60 // CHECK:    [[ADD:%.*]] = add nsw i32 [[TMP1]], 100
61 // CHECK:    [[TMP2:%.*]] = zext i32 [[ADD]] to i64
62 // CHECK:    [[VLA:%.+]] = alloca float, i64 %
63 
64 // CHECK:    call void @__kmpc_taskgroup(%ident_t*
65 // CHECK-DAG:    [[TMP21:%.*]] = bitcast float* [[SUM]] to i8*
66 // CHECK-DAG:    store i8* [[TMP21]], i8** [[TMP20:%[^,]+]],
67 // CHECK-DAG:    [[TMP20]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T:%.+]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_:%.+]], i32 0, i32 0
68 // CHECK-DAG:    [[TMP22:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 1
69 // CHECK-DAG:    store i64 4, i64* [[TMP22]],
70 // CHECK-DAG:    [[TMP23:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 2
71 // CHECK-DAG:    store i8* bitcast (void (i8*)* [[RED_INIT1:@.+]] to i8*), i8** [[TMP23]],
72 // CHECK-DAG:    [[TMP24:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 3
73 // CHECK-DAG:    store i8* null, i8** [[TMP24]],
74 // CHECK-DAG:    [[TMP25:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 4
75 // CHECK-DAG:    store i8* bitcast (void (i8*, i8*)* [[RED_COMB1:@.+]] to i8*), i8** [[TMP25]],
76 // CHECK-DAG:    [[TMP26:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 5
77 // CHECK-DAG:    [[TMP27:%.*]] = bitcast i32* [[TMP26]] to i8*
78 // CHECK-DAG:    call void @llvm.memset.p0i8.i64(i8* [[TMP27]], i8 0, i64 4, i32 8, i1 false)
79 // CHECK-DAG:    [[ARRAYIDX5:%.*]] = getelementptr inbounds [100 x %struct.S], [100 x %struct.S]* [[C]], i64 0, i64 0
80 // CHECK-DAG:    [[LB_ADD_LEN:%.*]] = add nsw i64 -1, %
81 // CHECK-DAG:    [[ARRAYIDX6:%.*]] = getelementptr inbounds [100 x %struct.S], [100 x %struct.S]* [[C]], i64 0, i64 [[LB_ADD_LEN]]
82 // CHECK-DAG:    [[TMP31:%.*]] = bitcast %struct.S* [[ARRAYIDX5]] to i8*
83 // CHECK-DAG:    store i8* [[TMP31]], i8** [[TMP28:%[^,]+]],
84 // CHECK-DAG:    [[TMP28]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4:%.+]], i32 0, i32 0
85 // CHECK-DAG:    [[TMP32:%.*]] = ptrtoint %struct.S* [[ARRAYIDX6]] to i64
86 // CHECK-DAG:    [[TMP33:%.*]] = ptrtoint %struct.S* [[ARRAYIDX5]] to i64
87 // CHECK-DAG:    [[TMP34:%.*]] = sub i64 [[TMP32]], [[TMP33]]
88 // CHECK-DAG:    [[TMP35:%.*]] = sdiv exact i64 [[TMP34]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
89 // CHECK-DAG:    [[TMP36:%.*]] = add nuw i64 [[TMP35]], 1
90 // CHECK-DAG:    [[TMP37:%.*]] = mul nuw i64 [[TMP36]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
91 // CHECK-DAG:    store i64 [[TMP37]], i64* [[TMP38:%[^,]+]],
92 // CHECK-DAG:    [[TMP38]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 1
93 // CHECK-DAG:    [[TMP39:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 2
94 // CHECK-DAG:    store i8* bitcast (void (i8*)* [[RED_INIT2:@.+]] to i8*), i8** [[TMP39]],
95 // CHECK-DAG:    [[TMP40:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 3
96 // CHECK-DAG:    store i8* bitcast (void (i8*)* [[RED_FINI2:@.+]] to i8*), i8** [[TMP40]],
97 // CHECK-DAG:    [[TMP41:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 4
98 // CHECK-DAG:    store i8* bitcast (void (i8*, i8*)* [[RED_COMB2:@.+]] to i8*), i8** [[TMP41]],
99 // CHECK-DAG:    [[TMP42:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 5
100 // CHECK-DAG:    store i32 1, i32* [[TMP42]],
101 // CHECK-DAG:    [[TMP44:%.*]] = load float*, float** [[D]],
102 // CHECK-DAG:    [[TMP45:%.*]] = bitcast float* [[TMP44]] to i8*
103 // CHECK-DAG:    store i8* [[TMP45]], i8** [[TMP43:%[^,]+]],
104 // CHECK-DAG:    [[TMP43]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7:%.+]], i32 0, i32 0
105 // CHECK-DAG:    [[TMP46:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 1
106 // CHECK-DAG:    store i64 4, i64* [[TMP46]],
107 // CHECK-DAG:    [[TMP47:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 2
108 // CHECK-DAG:    store i8* bitcast (void (i8*)* [[RED_INIT3:@.+]] to i8*), i8** [[TMP47]],
109 // CHECK-DAG:    [[TMP48:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 3
110 // CHECK-DAG:    store i8* null, i8** [[TMP48]],
111 // CHECK-DAG:    [[TMP49:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 4
112 // CHECK-DAG:    store i8* bitcast (void (i8*, i8*)* [[RED_COMB3:@.+]] to i8*), i8** [[TMP49]],
113 // CHECK-DAG:    [[TMP50:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 5
114 // CHECK-DAG:    [[TMP51:%.*]] = bitcast i32* [[TMP50]] to i8*
115 // CHECK-DAG:    call void @llvm.memset.p0i8.i64(i8* [[TMP51]], i8 0, i64 4, i32 8, i1 false)
116 // CHECK-DAG:    [[TMP53:%.*]] = bitcast float* [[VLA]] to i8*
117 // CHECK-DAG:    store i8* [[TMP53]], i8** [[TMP52:%[^,]+]],
118 // CHECK-DAG:    [[TMP52]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8:%.+]], i32 0, i32 0
119 // CHECK-DAG:    [[TMP54:%.*]] = mul nuw i64 [[TMP2]], 4
120 // CHECK-DAG:    [[TMP55:%.*]] = udiv exact i64 [[TMP54]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
121 // CHECK-DAG:    store i64 [[TMP54]], i64* [[TMP56:%[^,]+]],
122 // CHECK-DAG:    [[TMP56]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 1
123 // CHECK-DAG:    [[TMP57:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 2
124 // CHECK-DAG:    store i8* bitcast (void (i8*)* [[RED_INIT4:@.+]] to i8*), i8** [[TMP57]],
125 // CHECK-DAG:    [[TMP58:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 3
126 // CHECK-DAG:    store i8* null, i8** [[TMP58]],
127 // CHECK-DAG:    [[TMP59:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 4
128 // CHECK-DAG:    store i8* bitcast (void (i8*, i8*)* [[RED_COMB4:@.+]] to i8*), i8** [[TMP59]],
129 // CHECK-DAG:    [[TMP60:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 5
130 // CHECK-DAG:    store i32 1, i32* [[TMP60]],
131 // CHECK-DAG:    [[DOTRD_INPUT_GEP_]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
132 // CHECK-DAG:    [[DOTRD_INPUT_GEP_4]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
133 // CHECK-DAG:    [[DOTRD_INPUT_GEP_7]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
134 // CHECK-DAG:    [[DOTRD_INPUT_GEP_8]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
135 // CHECK:    [[TMP61:%.*]] = bitcast [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]] to i8*
136 // CHECK:    [[TMP62:%.*]] = call i8* @__kmpc_task_reduction_init(i32 [[TMP0]], i32 4, i8* [[TMP61]])
137 // CHECK:    [[TMP63:%.*]] = load i32, i32* [[N]],
138 // CHECK:    store i32 [[TMP63]], i32* [[DOTCAPTURE_EXPR_]],
139 // CHECK:    [[TMP64:%.*]] = load i32, i32* [[DOTCAPTURE_EXPR_]],
140 // CHECK:    [[SUB:%.*]] = sub nsw i32 [[TMP64]], 0
141 // CHECK:    [[SUB10:%.*]] = sub nsw i32 [[SUB]], 1
142 // CHECK:    [[ADD11:%.*]] = add nsw i32 [[SUB10]], 1
143 // CHECK:    [[DIV:%.*]] = sdiv i32 [[ADD11]], 1
144 // CHECK:    [[SUB12:%.*]] = sub nsw i32 [[DIV]], 1
145 // CHECK:    store i32 [[SUB12]], i32* [[DOTCAPTURE_EXPR_9]],
146 // CHECK:    [[TMP65:%.*]] = call i8* @__kmpc_omp_task_alloc(%ident_t* %{{.+}}, i32 [[TMP0]], i32 1, i64 888, i64 72, i32 (i32, i8*)* bitcast (i32 (i32, %struct.kmp_task_t_with_privates*)* @[[TASK:.+]] to i32 (i32, i8*)*))
147 // CHECK:    call void @__kmpc_taskloop(%ident_t* %{{.+}}, i32 [[TMP0]], i8* [[TMP65]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 0, i32 0, i64 0, i8* null)
148 // CHECK:    call void @__kmpc_end_taskgroup(%ident_t*
149 
150 // CHECK:    ret i32
151 
152 // CHECK: define internal void [[RED_INIT1]](i8*)
153 // CHECK: store float 0.000000e+00, float* %
154 // CHECK: ret void
155 
156 // CHECK: define internal void [[RED_COMB1]](i8*, i8*)
157 // CHECK: fadd float %
158 // CHECK: store float %{{.+}}, float* %
159 // CHECK: ret void
160 
161 // CHECK: define internal void [[RED_INIT2]](i8*)
162 // CHECK: call i8* @__kmpc_threadprivate_cached(
163 // CHECK: call i8* @__kmpc_threadprivate_cached(
164 // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(
165 // CHECK: ret void
166 
167 // CHECK: define internal void [[RED_FINI2]](i8*)
168 // CHECK: call i8* @__kmpc_threadprivate_cached(
169 // CHECK: call void @
170 // CHECK: ret void
171 
172 // CHECK: define internal void [[RED_COMB2]](i8*, i8*)
173 // CHECK: call i8* @__kmpc_threadprivate_cached(
174 // CHECK: fadd float %
175 // CHECK: store float %{{.+}}, float* %
176 // CHECK: ret void
177 
178 // CHECK: define internal void [[RED_INIT3]](i8*)
179 // CHECK: store float 0.000000e+00, float* %
180 // CHECK: ret void
181 
182 // CHECK: define internal void [[RED_COMB3]](i8*, i8*)
183 // CHECK: fadd float %
184 // CHECK: store float %{{.+}}, float* %
185 // CHECK: ret void
186 
187 // CHECK: define internal void [[RED_INIT4]](i8*)
188 // CHECK: call i8* @__kmpc_threadprivate_cached(
189 // CHECK: store float 0.000000e+00, float* %
190 // CHECK: ret void
191 
192 // CHECK: define internal void [[RED_COMB4]](i8*, i8*)
193 // CHECK: call i8* @__kmpc_threadprivate_cached(
194 // CHECK: fadd float %
195 // CHECK: store float %{{.+}}, float* %
196 // CHECK: ret void
197 
198 // CHECK: distinct !DISubprogram(linkageName: "[[TASK]]", scope: !
199