1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-apple-darwin10 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
5 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
6 // expected-no-diagnostics
7 // REQUIRES: x86-registered-target
8 #ifndef HEADER
9 #define HEADER
10 
11 template <class T>
12 struct S {
13   T f;
14   S(T a) : f(a) {}
15   S() : f() {}
16   S<T> &operator=(const S<T> &);
17   operator T() { return T(); }
18   ~S() {}
19 };
20 
21 volatile int g = 1212;
22 float f;
23 char cnt;
24 
25 // CHECK: [[S_FLOAT_TY:%.+]] = type { float }
26 // CHECK: [[S_INT_TY:%.+]] = type { i32 }
27 // CHECK-DAG: [[F:@.+]] = global float 0.0
28 // CHECK-DAG: [[CNT:@.+]] = global i8 0
29 template <typename T>
30 T tmain() {
31   S<T> test;
32   T *pvar = &test.f;
33   T lvar = T();
34 #pragma omp parallel for linear(pvar, lvar)
35   for (int i = 0; i < 2; ++i) {
36     ++pvar, ++lvar;
37   }
38   return T();
39 }
40 
41 int main() {
42 #ifdef LAMBDA
43   // LAMBDA: [[G:@.+]] = global i{{[0-9]+}} 1212,
44   // LAMBDA-LABEL: @main
45   // LAMBDA: call void [[OUTER_LAMBDA:@.+]](
46   [&]() {
47   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
48   // LAMBDA: call void {{.+}} @__kmpc_fork_call({{.+}}, i32 1, {{.+}}* [[OMP_REGION:@.+]] to {{.+}}, i32* [[G]])
49 #pragma omp parallel for linear(g:5)
50   for (int i = 0; i < 2; ++i) {
51     // LAMBDA: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* noalias %{{.+}}, i32* noalias %{{.+}}, i32* dereferenceable(4) %{{.+}})
52     // LAMBDA: alloca i{{[0-9]+}},
53     // LAMBDA: [[G_START_ADDR:%.+]] = alloca i{{[0-9]+}},
54     // LAMBDA: alloca i{{[0-9]+}},
55     // LAMBDA: alloca i{{[0-9]+}},
56     // LAMBDA: alloca i{{[0-9]+}},
57     // LAMBDA: alloca i{{[0-9]+}},
58     // LAMBDA: alloca i{{[0-9]+}},
59     // LAMBDA: [[G_PRIVATE_ADDR:%.+]] = alloca i{{[0-9]+}},
60     // LAMBDA: store i32 0,
61     // LAMBDA: [[GTID_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** %{{.+}}
62     // LAMBDA: [[GTID:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[GTID_REF]]
63     // LAMBDA: call {{.+}} @__kmpc_for_static_init_4(%{{.+}}* @{{.+}}, i32 [[GTID]], i32 34, i32* [[IS_LAST_ADDR:%.+]], i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32 1, i32 1)
64     // LAMBDA: [[VAL:%.+]] = load i32, i32* [[G_START_ADDR]]
65     // LAMBDA: [[CNT:%.+]] = load i32, i32*
66     // LAMBDA: [[MUL:%.+]] = mul nsw i32 [[CNT]], 5
67     // LAMBDA: [[ADD:%.+]] = add nsw i32 [[VAL]], [[MUL]]
68     // LAMBDA: store i32 [[ADD]], i32* [[G_PRIVATE_ADDR]],
69     // LAMBDA: [[VAL:%.+]] = load i32, i32* [[G_PRIVATE_ADDR]],
70     // LAMBDA: [[ADD:%.+]] = add nsw i32 [[VAL]], 5
71     // LAMBDA: store i32 [[ADD]], i32* [[G_PRIVATE_ADDR]],
72     // LAMBDA: [[G_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
73     // LAMBDA: store i{{[0-9]+}}* [[G_PRIVATE_ADDR]], i{{[0-9]+}}** [[G_PRIVATE_ADDR_REF]]
74     // LAMBDA: call void [[INNER_LAMBDA:@.+]](%{{.+}}* [[ARG]])
75     // LAMBDA: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]])
76     g += 5;
77     [&]() {
78       // LAMBDA: define {{.+}} void [[INNER_LAMBDA]](%{{.+}}* [[ARG_PTR:%.+]])
79       // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
80       g = 2;
81       // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
82       // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
83       // LAMBDA: [[G_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[G_PTR_REF]]
84       // LAMBDA: store i{{[0-9]+}} 2, i{{[0-9]+}}* [[G_REF]]
85     }();
86   }
87   }();
88   return 0;
89 #elif defined(BLOCKS)
90   // BLOCKS: [[G:@.+]] = global i{{[0-9]+}} 1212,
91   // BLOCKS-LABEL: @main
92   // BLOCKS: call void {{%.+}}(i8
93   ^{
94   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
95   // BLOCKS: call void {{.+}} @__kmpc_fork_call({{.+}}, i32 1, {{.+}}* [[OMP_REGION:@.+]] to {{.+}}, i32* [[G]])
96 #pragma omp parallel for linear(g:5)
97   for (int i = 0; i < 2; ++i) {
98     // BLOCKS: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* noalias %{{.+}}, i32* noalias %{{.+}}, i32* dereferenceable(4) %{{.+}})
99     // BLOCKS: alloca i{{[0-9]+}},
100     // BLOCKS: [[G_START_ADDR:%.+]] = alloca i{{[0-9]+}},
101     // BLOCKS: alloca i{{[0-9]+}},
102     // BLOCKS: alloca i{{[0-9]+}},
103     // BLOCKS: alloca i{{[0-9]+}},
104     // BLOCKS: alloca i{{[0-9]+}},
105     // BLOCKS: alloca i{{[0-9]+}},
106     // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = alloca i{{[0-9]+}},
107     // BLOCKS: store i32 0,
108     // BLOCKS: [[GTID_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** %{{.+}}
109     // BLOCKS: [[GTID:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[GTID_REF]]
110     // BLOCKS: call {{.+}} @__kmpc_for_static_init_4(%{{.+}}* @{{.+}}, i32 [[GTID]], i32 34, i32* [[IS_LAST_ADDR:%.+]], i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32 1, i32 1)
111     // BLOCKS: [[VAL:%.+]] = load i32, i32* [[G_START_ADDR]]
112     // BLOCKS: [[CNT:%.+]] = load i32, i32*
113     // BLOCKS: [[MUL:%.+]] = mul nsw i32 [[CNT]], 5
114     // BLOCKS: [[ADD:%.+]] = add nsw i32 [[VAL]], [[MUL]]
115     // BLOCKS: store i32 [[ADD]], i32* [[G_PRIVATE_ADDR]],
116     // BLOCKS: [[VAL:%.+]] = load i32, i32* [[G_PRIVATE_ADDR]],
117     // BLOCKS: [[ADD:%.+]] = add nsw i32 [[VAL]], 5
118     // BLOCKS: store i32 [[ADD]], i32* [[G_PRIVATE_ADDR]],
119     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
120     // BLOCKS: i{{[0-9]+}}* [[G_PRIVATE_ADDR]]
121     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
122     // BLOCKS: call void {{%.+}}(i8
123     // BLOCKS: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 [[GTID]])
124     g += 5;
125     g = 1;
126     ^{
127       // BLOCKS: define {{.+}} void {{@.+}}(i8*
128       g = 2;
129       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
130       // BLOCKS: store i{{[0-9]+}} 2, i{{[0-9]+}}*
131       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
132       // BLOCKS: ret
133     }();
134   }
135   }();
136   return 0;
137 #else
138   S<float> test;
139   float *pvar = &test.f;
140   long long lvar = 0;
141 #pragma omp parallel for linear(pvar, lvar : 3)
142   for (int i = 0; i < 2; ++i) {
143     pvar += 3, lvar += 3;
144   }
145   return tmain<int>();
146 #endif
147 }
148 
149 // CHECK: define i{{[0-9]+}} @main()
150 // CHECK: [[TEST:%.+]] = alloca [[S_FLOAT_TY]],
151 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR:@.+]]([[S_FLOAT_TY]]* [[TEST]])
152 // CHECK: call void (%{{.+}}*, i{{[0-9]+}}, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)*, ...) @__kmpc_fork_call(%{{.+}}* @{{.+}}, i{{[0-9]+}} 2, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)* bitcast (void (i{{[0-9]+}}*, i{{[0-9]+}}*, float**, i64*)* [[MAIN_MICROTASK:@.+]] to void
153 // CHECK: = call {{.+}} [[TMAIN_INT:@.+]]()
154 // CHECK: call void [[S_FLOAT_TY_DESTR:@.+]]([[S_FLOAT_TY]]*
155 // CHECK: ret
156 
157 // CHECK: define internal void [[MAIN_MICROTASK]](i{{[0-9]+}}* noalias [[GTID_ADDR:%.+]], i{{[0-9]+}}* noalias %{{.+}}, float** dereferenceable(8) %{{.+}}, i64* dereferenceable(8) %{{.+}})
158 // CHECK: alloca i{{[0-9]+}},
159 // CHECK: [[PVAR_START:%.+]] = alloca float*,
160 // CHECK: [[LVAR_START:%.+]] = alloca i64,
161 // CHECK: alloca i{{[0-9]+}},
162 // CHECK: alloca i{{[0-9]+}},
163 // CHECK: alloca i{{[0-9]+}},
164 // CHECK: alloca i{{[0-9]+}},
165 // CHECK: alloca i{{[0-9]+}},
166 // CHECK: [[PVAR_PRIV:%.+]] = alloca float*,
167 // CHECK: [[LVAR_PRIV:%.+]] = alloca i64,
168 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
169 
170 // CHECK: [[PVAR_REF:%.+]] = load float**, float*** %
171 // CHECK: [[LVAR_REF:%.+]] = load i64*, i64** %
172 
173 // Check for default initialization.
174 // CHECK: [[PVAR_VAL:%.+]] = load float*, float** [[PVAR_REF]],
175 // CHECK: store float* [[PVAR_VAL]], float** [[PVAR_START]],
176 // CHECK: [[LVAR_VAL:%.+]] = load i64, i64* [[LVAR_REF]],
177 // CHECK: store i64 [[LVAR_VAL]], i64* [[LVAR_START]],
178 // CHECK: call {{.+}} @__kmpc_for_static_init_4(%{{.+}}* @{{.+}}, i32 [[GTID:%.+]], i32 34, i32* [[IS_LAST_ADDR:%.+]], i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32 1, i32 1)
179 // CHECK: [[PVAR_VAL:%.+]] = load float*, float** [[PVAR_START]],
180 // CHECK: [[CNT:%.+]] = load i32, i32*
181 // CHECK: [[MUL:%.+]] = mul nsw i32 [[CNT]], 3
182 // CHECK: [[IDX:%.+]] = sext i32 [[MUL]] to i64
183 // CHECK: [[PTR:%.+]] = getelementptr inbounds float, float* [[PVAR_VAL]], i64 [[IDX]]
184 // CHECK: store float* [[PTR]], float** [[PVAR_PRIV]],
185 // CHECK: [[LVAR_VAL:%.+]] = load i64, i64* [[LVAR_START]],
186 // CHECK: [[CNT:%.+]] = load i32, i32*
187 // CHECK: [[MUL:%.+]] = mul nsw i32 [[CNT]], 3
188 // CHECK: [[CONV:%.+]] = sext i32 [[MUL]] to i64
189 // CHECK: [[VAL:%.+]] = add nsw i64 [[LVAR_VAL]], [[CONV]]
190 // CHECK: store i64 [[VAL]], i64* [[LVAR_PRIV]],
191 // CHECK: [[PVAR_VAL:%.+]] = load float*, float** [[PVAR_PRIV]]
192 // CHECK: [[PTR:%.+]] = getelementptr inbounds float, float* [[PVAR_VAL]], i64 3
193 // CHECK: store float* [[PTR]], float** [[PVAR_PRIV]],
194 // CHECK: [[LVAR_VAL:%.+]] = load i64, i64* [[LVAR_PRIV]],
195 // CHECK: [[ADD:%.+]] = add nsw i64 [[LVAR_VAL]], 3
196 // CHECK: store i64 [[ADD]], i64* [[LVAR_PRIV]],
197 // CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 %{{.+}})
198 // CHECK: ret void
199 
200 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
201 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
202 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* [[TEST]])
203 // CHECK: call void (%{{.+}}*, i{{[0-9]+}}, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)*, ...) @__kmpc_fork_call(%{{.+}}* @{{.+}}, i{{[0-9]+}} 2, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)* bitcast (void (i{{[0-9]+}}*, i{{[0-9]+}}*, i32**, i32*)* [[TMAIN_MICROTASK:@.+]] to void
204 // CHECK: call void [[S_INT_TY_DESTR:@.+]]([[S_INT_TY]]*
205 // CHECK: ret
206 //
207 // CHECK: define internal void [[TMAIN_MICROTASK]](i{{[0-9]+}}* noalias [[GTID_ADDR:%.+]], i{{[0-9]+}}* noalias %{{.+}}, i32** dereferenceable(8) %{{.+}}, i32* dereferenceable(4) %{{.+}})
208 // CHECK: alloca i{{[0-9]+}},
209 // CHECK: [[PVAR_START:%.+]] = alloca i32*,
210 // CHECK: [[LVAR_START:%.+]] = alloca i32,
211 // CHECK: alloca i{{[0-9]+}},
212 // CHECK: alloca i{{[0-9]+}},
213 // CHECK: alloca i{{[0-9]+}},
214 // CHECK: alloca i{{[0-9]+}},
215 // CHECK: alloca i{{[0-9]+}},
216 // CHECK: [[PVAR_PRIV:%.+]] = alloca i32*,
217 // CHECK: [[LVAR_PRIV:%.+]] = alloca i32,
218 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
219 
220 // CHECK: [[PVAR_REF:%.+]] = load i32**, i32*** %
221 // CHECK: [[LVAR_REF:%.+]] = load i32*, i32** %
222 
223 // Check for default initialization.
224 // CHECK: [[PVAR_VAL:%.+]] = load i32*, i32** [[PVAR_REF]],
225 // CHECK: store i32* [[PVAR_VAL]], i32** [[PVAR_START]],
226 // CHECK: [[LVAR_VAL:%.+]] = load i32, i32* [[LVAR_REF]],
227 // CHECK: store i32 [[LVAR_VAL]], i32* [[LVAR_START]],
228 // CHECK: call {{.+}} @__kmpc_for_static_init_4(%{{.+}}* @{{.+}}, i32 [[GTID:%.+]], i32 34, i32* [[IS_LAST_ADDR:%.+]], i32* %{{.+}}, i32* %{{.+}}, i32* %{{.+}}, i32 1, i32 1)
229 // CHECK: [[PVAR_VAL:%.+]] = load i32*, i32** [[PVAR_START]],
230 // CHECK: [[CNT:%.+]] = load i32, i32*
231 // CHECK: [[MUL:%.+]] = mul nsw i32 [[CNT]], 1
232 // CHECK: [[IDX:%.+]] = sext i32 [[MUL]] to i64
233 // CHECK: [[PTR:%.+]] = getelementptr inbounds i32, i32* [[PVAR_VAL]], i64 [[IDX]]
234 // CHECK: store i32* [[PTR]], i32** [[PVAR_PRIV]],
235 // CHECK: [[LVAR_VAL:%.+]] = load i32, i32* [[LVAR_START]],
236 // CHECK: [[CNT:%.+]] = load i32, i32*
237 // CHECK: [[MUL:%.+]] = mul nsw i32 [[CNT]], 1
238 // CHECK: [[VAL:%.+]] = add nsw i32 [[LVAR_VAL]], [[MUL]]
239 // CHECK: store i32 [[VAL]], i32* [[LVAR_PRIV]],
240 // CHECK: [[PVAR_VAL:%.+]] = load i32*, i32** [[PVAR_PRIV]]
241 // CHECK: [[PTR:%.+]] = getelementptr inbounds i32, i32* [[PVAR_VAL]], i32 1
242 // CHECK: store i32* [[PTR]], i32** [[PVAR_PRIV]],
243 // CHECK: [[LVAR_VAL:%.+]] = load i32, i32* [[LVAR_PRIV]],
244 // CHECK: [[ADD:%.+]] = add nsw i32 [[LVAR_VAL]], 1
245 // CHECK: store i32 [[ADD]], i32* [[LVAR_PRIV]],
246 // CHECK: call void @__kmpc_for_static_fini(%{{.+}}* @{{.+}}, i32 %{{.+}})
247 // CHECK: ret void
248 #endif
249 
250