1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ast-print %s | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp=libiomp5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
4 // expected-no-diagnostics
5
6 #ifndef HEADER
7 #define HEADER
8
foo()9 void foo() {}
10 int g_ind = 1;
11 template<class T, class N> T reduct(T* arr, N num) {
12 N i;
13 N ind;
14 N myind;
15 T sum = (T)0;
16 // CHECK: T sum = (T)0;
17 #pragma omp for simd private(myind, g_ind), linear(ind), aligned(arr)
18 // CHECK-NEXT: #pragma omp for simd private(myind,g_ind) linear(ind) aligned(arr)
19 for (i = 0; i < num; ++i) {
20 myind = ind;
21 T cur = arr[myind];
22 ind += g_ind;
23 sum += cur;
24 }
25 }
26
27 template<class T> struct S {
SS28 S(const T &a)
29 :m_a(a)
30 {}
resultS31 T result(T *v) const {
32 T res;
33 T val;
34 T lin = 0;
35 // CHECK: T res;
36 // CHECK: T val;
37 // CHECK: T lin = 0;
38 #pragma omp for simd private(val) safelen(7) linear(lin : -5) lastprivate(res)
39 // CHECK-NEXT: #pragma omp for simd private(val) safelen(7) linear(lin: -5) lastprivate(res)
40 for (T i = 7; i < m_a; ++i) {
41 val = v[i-7] + m_a;
42 res = val;
43 lin -= 5;
44 }
45 const T clen = 3;
46 // CHECK: T clen = 3;
47 #pragma omp for simd safelen(clen-1)
48 // CHECK-NEXT: #pragma omp for simd safelen(clen - 1)
49 for(T i = clen+2; i < 20; ++i) {
50 // CHECK-NEXT: for (T i = clen + 2; i < 20; ++i) {
51 v[i] = v[v-clen] + 1;
52 // CHECK-NEXT: v[i] = v[v - clen] + 1;
53 }
54 // CHECK-NEXT: }
55 return res;
56 }
~SS57 ~S()
58 {}
59 T m_a;
60 };
61
62 template<int LEN> struct S2 {
funcS263 static void func(int n, float *a, float *b, float *c) {
64 int k1 = 0, k2 = 0;
65 #pragma omp for simd safelen(LEN) linear(k1,k2:LEN) aligned(a:LEN)
66 for(int i = 0; i < n; i++) {
67 c[i] = a[i] + b[i];
68 c[k1] = a[k1] + b[k1];
69 c[k2] = a[k2] + b[k2];
70 k1 = k1 + LEN;
71 k2 = k2 + LEN;
72 }
73 }
74 };
75
76 // S2<4>::func is called below in main.
77 // CHECK: template <int LEN = 4> struct S2 {
78 // CHECK-NEXT: static void func(int n, float *a, float *b, float *c) {
79 // CHECK-NEXT: int k1 = 0, k2 = 0;
80 // CHECK-NEXT: #pragma omp for simd safelen(4) linear(k1,k2: 4) aligned(a: 4)
81 // CHECK-NEXT: for (int i = 0; i < n; i++) {
82 // CHECK-NEXT: c[i] = a[i] + b[i];
83 // CHECK-NEXT: c[k1] = a[k1] + b[k1];
84 // CHECK-NEXT: c[k2] = a[k2] + b[k2];
85 // CHECK-NEXT: k1 = k1 + 4;
86 // CHECK-NEXT: k2 = k2 + 4;
87 // CHECK-NEXT: }
88 // CHECK-NEXT: }
89
main(int argc,char ** argv)90 int main (int argc, char **argv) {
91 int b = argc, c, d, e, f, g;
92 int k1=0,k2=0;
93 static int *a;
94 // CHECK: static int *a;
95 #pragma omp for simd
96 // CHECK-NEXT: #pragma omp for simd
97 for (int i=0; i < 2; ++i)*a=2;
98 // CHECK-NEXT: for (int i = 0; i < 2; ++i)
99 // CHECK-NEXT: *a = 2;
100 #pragma omp parallel
101 #pragma omp for simd private(argc, b),lastprivate(d,f) collapse(2) aligned(a : 4) ,firstprivate( g )
102 for (int i = 0; i < 10; ++i)
103 for (int j = 0; j < 10; ++j) {foo(); k1 += 8; k2 += 8;}
104 // CHECK-NEXT: #pragma omp parallel
105 // CHECK-NEXT: #pragma omp for simd private(argc,b) lastprivate(d,f) collapse(2) aligned(a: 4) firstprivate(g)
106 // CHECK-NEXT: for (int i = 0; i < 10; ++i)
107 // CHECK-NEXT: for (int j = 0; j < 10; ++j) {
108 // CHECK-NEXT: foo();
109 // CHECK-NEXT: k1 += 8;
110 // CHECK-NEXT: k2 += 8;
111 // CHECK-NEXT: }
112 for (int i = 0; i < 10; ++i)foo();
113 // CHECK-NEXT: for (int i = 0; i < 10; ++i)
114 // CHECK-NEXT: foo();
115 const int CLEN = 4;
116 // CHECK-NEXT: const int CLEN = 4;
117 #pragma omp for simd aligned(a:CLEN) linear(a:CLEN) safelen(CLEN) collapse( 1 )
118 // CHECK-NEXT: #pragma omp for simd aligned(a: CLEN) linear(a: CLEN) safelen(CLEN) collapse(1)
119 for (int i = 0; i < 10; ++i)foo();
120 // CHECK-NEXT: for (int i = 0; i < 10; ++i)
121 // CHECK-NEXT: foo();
122
123 float arr[16];
124 S2<4>::func(0,arr,arr,arr);
125 return (0);
126 }
127
128 #endif
129