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; reduct(T * arr,N num)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 parallel for simd private(myind, g_ind), linear(ind), aligned(arr) 18 // CHECK-NEXT: #pragma omp parallel 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 parallel for simd private(val) safelen(7) linear(lin : -5) lastprivate(res) 39 // CHECK-NEXT: #pragma omp parallel 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 parallel for simd safelen(clen-1) 48 // CHECK-NEXT: #pragma omp parallel 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 parallel 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 parallel 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 parallel for simd 96 // CHECK-NEXT: #pragma omp parallel 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 parallel 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 parallel 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 parallel for simd aligned(a:CLEN) linear(a:CLEN) safelen(CLEN) collapse( 1 ) 118 // CHECK-NEXT: #pragma omp parallel 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