1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -ast-print %s | FileCheck %s --check-prefix=CHECK --check-prefix=OMP45
2 // RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix=CHECK --check-prefix=OMP45
4 // RUN: %clang_cc1 -verify -fopenmp -DOMP5 -ast-print %s | FileCheck %s --check-prefix=CHECK --check-prefix=OMP50
5 // RUN: %clang_cc1 -fopenmp -DOMP5 -x c++ -std=c++11 -emit-pch -o %t %s
6 // RUN: %clang_cc1 -fopenmp -DOMP5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix=CHECK --check-prefix=OMP50
7 
8 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 -ast-print %s | FileCheck %s --check-prefix=CHECK --check-prefix=OMP45
9 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
10 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix=CHECK --check-prefix=OMP45
11 // RUN: %clang_cc1 -verify -fopenmp-simd -DOMP5 -ast-print %s | FileCheck %s --check-prefix=CHECK --check-prefix=OMP50
12 // RUN: %clang_cc1 -fopenmp-simd -DOMP5 -x c++ -std=c++11 -emit-pch -o %t %s
13 // RUN: %clang_cc1 -fopenmp-simd -DOMP5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix=CHECK --check-prefix=OMP50
14 // expected-no-diagnostics
15 
16 #ifndef HEADER
17 #define HEADER
18 
19 void foo() {}
20 
21 struct S1 {
22   S1() : a(0) {}
23   S1(int v) : a(v) {}
24   int a;
25   typedef int type;
26 };
27 
28 template <typename T>
29 class S7 : public T {
30 protected:
31   T a;
32   S7() : a(0) {}
33 
34 public:
35   S7(typename T::type v) : a(v) {
36 #pragma omp parallel for simd private(a) private(this->a) private(T::a)
37     for (int k = 0; k < a.a; ++k)
38       ++this->a.a;
39   }
40   S7 &operator=(S7 &s) {
41 #pragma omp parallel for simd private(a) private(this->a)
42     for (int k = 0; k < s.a.a; ++k)
43       ++s.a.a;
44     return *this;
45   }
46 };
47 
48 // CHECK: #pragma omp parallel for simd private(this->a) private(this->a) private(T::a){{$}}
49 // CHECK: #pragma omp parallel for simd private(this->a) private(this->a)
50 // CHECK: #pragma omp parallel for simd private(this->a) private(this->a) private(this->S1::a)
51 
52 class S8 : public S7<S1> {
53   S8() {}
54 
55 public:
56   S8(int v) : S7<S1>(v){
57 #pragma omp parallel for simd private(a) private(this->a) private(S7 <S1>::a)
58     for (int k = 0; k < a.a; ++k)
59       ++this->a.a;
60   }
61   S8 &operator=(S8 &s) {
62 #pragma omp parallel for simd private(a) private(this->a)
63     for (int k = 0; k < s.a.a; ++k)
64       ++s.a.a;
65     return *this;
66   }
67 };
68 
69 // CHECK: #pragma omp parallel for simd private(this->a) private(this->a) private(this->S7<S1>::a)
70 // CHECK: #pragma omp parallel for simd private(this->a) private(this->a)
71 
72 int g_ind = 1;
73 template<class T, class N> T reduct(T* arr, N num) {
74   N i;
75   N ind;
76   N myind;
77   T sum = (T)0;
78 // CHECK: T sum = (T)0;
79 #pragma omp parallel for simd private(myind, g_ind), linear(ind), aligned(arr) if (parallel :num)
80 // CHECK-NEXT: #pragma omp parallel for simd private(myind,g_ind) linear(ind) aligned(arr) if(parallel: num)
81   for (i = 0; i < num; ++i) {
82     myind = ind;
83     T cur = arr[myind];
84     ind += g_ind;
85     sum += cur;
86   }
87 }
88 
89 template<class T> struct S {
90   S(const T &a)
91     :m_a(a)
92   {}
93   T result(T *v) const {
94     T res;
95     T val;
96     T lin = 0;
97 // CHECK: T res;
98 // CHECK: T val;
99 // CHECK: T lin = 0;
100     #pragma omp parallel for simd private(val)  safelen(7) linear(lin : -5) lastprivate(res) simdlen(5) if(7) allocate(lin)
101 // CHECK-NEXT: #pragma omp parallel for simd private(val) safelen(7) linear(lin: -5) lastprivate(res) simdlen(5) if(7) allocate(lin)
102     for (T i = 7; i < m_a; ++i) {
103       val = v[i-7] + m_a;
104       res = val;
105       lin -= 5;
106     }
107     const T clen = 3;
108 // CHECK: T clen = 3;
109     #pragma omp parallel for simd safelen(clen-1) simdlen(clen-1) ordered
110 // CHECK-NEXT: #pragma omp parallel for simd safelen(clen - 1) simdlen(clen - 1) ordered
111     for(T i = clen+2; i < 20; ++i) {
112 // CHECK-NEXT: for (T i = clen + 2; i < 20; ++i) {
113       v[i] = v[v-clen] + 1;
114 // CHECK-NEXT: v[i] = v[v - clen] + 1;
115     }
116 // CHECK-NEXT: }
117     return res;
118   }
119   ~S()
120   {}
121   T m_a;
122 };
123 
124 template<int LEN> struct S2 {
125   static void func(int n, float *a, float *b, float *c) {
126     int k1 = 0, k2 = 0;
127 #pragma omp parallel for simd allocate(k1) safelen(LEN) linear(k1,k2:LEN) aligned(a:LEN) simdlen(LEN)
128     for(int i = 0; i < n; i++) {
129       c[i] = a[i] + b[i];
130       c[k1] = a[k1] + b[k1];
131       c[k2] = a[k2] + b[k2];
132       k1 = k1 + LEN;
133       k2 = k2 + LEN;
134     }
135   }
136 };
137 
138 // S2<4>::func is called below in main.
139 // CHECK: template<> struct S2<4> {
140 // CHECK-NEXT: static void func(int n, float *a, float *b, float *c)     {
141 // CHECK-NEXT:   int k1 = 0, k2 = 0;
142 // CHECK-NEXT: #pragma omp parallel for simd allocate(k1) safelen(4) linear(k1,k2: 4) aligned(a: 4) simdlen(4)
143 // CHECK-NEXT:   for (int i = 0; i < n; i++) {
144 // CHECK-NEXT:     c[i] = a[i] + b[i];
145 // CHECK-NEXT:     c[k1] = a[k1] + b[k1];
146 // CHECK-NEXT:     c[k2] = a[k2] + b[k2];
147 // CHECK-NEXT:     k1 = k1 + 4;
148 // CHECK-NEXT:     k2 = k2 + 4;
149 // CHECK-NEXT:   }
150 // CHECK-NEXT: }
151 
152 int main (int argc, char **argv) {
153   int b = argc, c, d, e, f, g;
154   int k1=0,k2=0;
155   static int *a;
156 // CHECK: static int *a;
157 #ifdef OMP5
158 #pragma omp parallel for simd if(parallel :b) if(simd: b) nontemporal(argc, c) lastprivate(conditional:d,f) order(concurrent)
159 #else
160 #pragma omp parallel for simd if(parallel :b) ordered
161 #endif // OMP5
162 // OMP50-NEXT: #pragma omp parallel for simd if(parallel: b) if(simd: b) nontemporal(argc,c) lastprivate(conditional: d,f) order(concurrent)
163 // OMP45-NEXT: #pragma omp parallel for simd if(parallel: b) ordered
164   for (int i=0; i < 2; ++i)*a=2;
165 // CHECK-NEXT: for (int i = 0; i < 2; ++i)
166 // CHECK-NEXT: *a = 2;
167 #pragma omp  parallel
168 #pragma omp parallel for simd private(argc, b),lastprivate(d,f) collapse(2) aligned(a : 4) ,firstprivate( g ) if(g)
169   for (int i = 0; i < 10; ++i)
170   for (int j = 0; j < 10; ++j) {foo(); k1 += 8; k2 += 8;}
171 // CHECK-NEXT: #pragma omp parallel
172 // CHECK-NEXT: #pragma omp parallel for simd private(argc,b) lastprivate(d,f) collapse(2) aligned(a: 4) firstprivate(g) if(g)
173 // CHECK-NEXT: for (int i = 0; i < 10; ++i)
174 // CHECK-NEXT: for (int j = 0; j < 10; ++j) {
175 // CHECK-NEXT: foo();
176 // CHECK-NEXT: k1 += 8;
177 // CHECK-NEXT: k2 += 8;
178 // CHECK-NEXT: }
179   for (int i = 0; i < 10; ++i)foo();
180 // CHECK-NEXT: for (int i = 0; i < 10; ++i)
181 // CHECK-NEXT: foo();
182   const int CLEN = 4;
183 // CHECK-NEXT: const int CLEN = 4;
184   #pragma omp parallel for simd aligned(a:CLEN) linear(a:CLEN) safelen(CLEN) collapse( 1 ) simdlen(CLEN)
185 // CHECK-NEXT: #pragma omp parallel for simd aligned(a: CLEN) linear(a: CLEN) safelen(CLEN) collapse(1) simdlen(CLEN)
186   for (int i = 0; i < 10; ++i)foo();
187 // CHECK-NEXT: for (int i = 0; i < 10; ++i)
188 // CHECK-NEXT: foo();
189 
190   float arr[16];
191   S2<4>::func(0,arr,arr,arr);
192   return (0);
193 }
194 
195 #endif
196