1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -ast-print %s | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -std=c++11 -ast-print %s | FileCheck %s
6 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -emit-pch -o %t %s
7 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
8 // expected-no-diagnostics
9 
10 #ifndef HEADER
11 #define HEADER
12 
13 #pragma omp declare simd linear(d: 8)
14 #pragma omp declare simd inbranch simdlen(32)
15 #pragma omp declare simd notinbranch
16 void add_1(float *d) __attribute__((cold));
17 
18 // CHECK: #pragma omp declare simd notinbranch
19 // CHECK-NEXT: #pragma omp declare simd inbranch simdlen(32)
20 // CHECK-NEXT: #pragma omp declare simd linear(val(d): 8)
21 // CHECK-NEXT: void add_1(float *d) __attribute__((cold));
22 //
23 
24 #pragma omp declare simd aligned(hp, hp2)
25 template <class C> void h(C *hp, C *hp2, C *hq, C *lin) {
26 }
27 
28 // CHECK: #pragma omp declare simd aligned(hp) aligned(hp2)
29 // CHECK-NEXT: template <class C> void h(C *hp, C *hp2, C *hq, C *lin) {
30 // CHECK-NEXT: }
31 
32 // CHECK: #pragma omp declare simd aligned(hp) aligned(hp2)
33 // CHECK-NEXT: template<> void h<float>(float *hp, float *hp2, float *hq, float *lin) {
34 // CHECK-NEXT: }
35 
36 // CHECK-NEXT: template<> void h<int>(int *hp, int *hp2, int *hq, int *lin) {
37 // CHECK-NEXT: h((float *)hp, (float *)hp2, (float *)hq, (float *)lin);
38 // CHECK-NEXT: }
39 
40 // Explicit specialization with <C=int>.
41 // Pragmas need to be same, otherwise standard says that's undefined behavior.
42 #pragma omp declare simd aligned(hp, hp2)
43 template <>
44 void h(int *hp, int *hp2, int *hq, int *lin)
45 {
46   // Implicit specialization with <C=float>.
47   // This is special case where the directive is stored by Sema and is
48   // generated together with the (pending) function instatiation.
49   h((float*) hp, (float*) hp2, (float*) hq, (float*) lin);
50 }
51 
52 class VV {
53   // CHECK: #pragma omp declare simd uniform(this, a) linear(val(b): a)
54   // CHECK-NEXT: int add(int a, int b) __attribute__((cold))    {
55   // CHECK-NEXT: return a + b;
56   // CHECK-NEXT: }
57   #pragma omp declare simd uniform(this, a) linear(val(b): a)
58   int add(int a, int b) __attribute__((cold)) { return a + b; }
59 
60   // CHECK: #pragma omp declare simd aligned(b: 4) aligned(a) linear(ref(b): 4) linear(val(this)) linear(val(a))
61   // CHECK-NEXT: float taddpf(float *a, float *&b)     {
62   // CHECK-NEXT: return *a + *b;
63   // CHECK-NEXT: }
64   #pragma omp declare simd aligned (b: 4) aligned(a) linear(ref(b): 4) linear(this, a)
65   float taddpf(float *a, float *&b) { return *a + *b; }
66 
67 // CHECK: #pragma omp declare simd aligned(b: 8)
68 // CHECK-NEXT: #pragma omp declare simd linear(uval(c): 8)
69 // CHECK-NEXT: int tadd(int (&b)[], int &c) {
70 // CHECK-NEXT: return this->x[b[0]] + b[0];
71 // CHECK-NEXT: }
72   #pragma omp declare simd linear(uval(c): 8)
73   #pragma omp declare simd aligned(b : 8)
74   int tadd(int (&b)[], int &c) { return x[b[0]] + b[0]; }
75 
76 private:
77   int x[10];
78 };
79 
80 // CHECK: template <int X, typename T> class TVV {
81 // CHECK: #pragma omp declare simd simdlen(X)
82 // CHECK-NEXT: int tadd(int a, int b) {
83 // CHECK: #pragma omp declare simd aligned(a: X * 2) aligned(b) linear(ref(b): X)
84 // CHECK-NEXT: float taddpf(float *a, T *&b) {
85 // CHECK-NEXT: return *a + *b;
86 // CHECK-NEXT: }
87 // CHECK: #pragma omp declare simd uniform(this, b)
88 // CHECK-NEXT: #pragma omp declare simd{{$}}
89 // CHECK-NEXT: int tadd(int b) {
90 // CHECK-NEXT: return this->x[b] + b;
91 // CHECK-NEXT: }
92 // CHECK: }
93 template <int X, typename T>
94 class TVV {
95 public:
96 // CHECK: template<> class TVV<16, float> {
97   #pragma omp declare simd simdlen(X)
98   int tadd(int a, int b) { return a + b; }
99 
100 // CHECK: #pragma omp declare simd simdlen(16)
101 // CHECK-NEXT: int tadd(int a, int b);
102 
103   #pragma omp declare simd aligned(a : X * 2) aligned(b) linear(ref(b): X)
104   float taddpf(float *a, T *&b) { return *a + *b; }
105 
106 // CHECK: #pragma omp declare simd aligned(a: 16 * 2) aligned(b) linear(ref(b): 16)
107 // CHECK-NEXT: float taddpf(float *a, float *&b) {
108 // CHECK-NEXT: return *a + *b;
109 // CHECK-NEXT: }
110 
111   #pragma omp declare simd
112   #pragma omp declare simd uniform(this, b)
113   int tadd(int b) { return x[b] + b; }
114 
115 // CHECK: #pragma omp declare simd uniform(this, b)
116 // CHECK-NEXT: #pragma omp declare simd
117 // CHECK-NEXT: int tadd(int b) {
118 // CHECK-NEXT: return this->x[b] + b;
119 // CHECK-NEXT: }
120 
121 private:
122   int x[X];
123 };
124 // CHECK: };
125 
126 // CHECK: #pragma omp declare simd simdlen(N) aligned(b: N * 2) linear(uval(c): N)
127 // CHECK: template <int N> void foo(int (&b)[N], float *&c)
128 // CHECK: #pragma omp declare simd simdlen(64) aligned(b: 64 * 2) linear(uval(c): 64)
129 // CHECK: template<> void foo<64>(int (&b)[64], float *&c)
130 #pragma omp declare simd simdlen(N) aligned(b : N * 2) linear(uval(c): N)
131 template <int N>
132 void foo(int (&b)[N], float *&c);
133 
134 // CHECK: TVV<16, float> t16;
135 TVV<16, float> t16;
136 
137 void f() {
138   float a = 1.0f, b = 2.0f;
139   float *p = &b;
140   float r = t16.taddpf(&a, p);
141   int res = t16.tadd(b);
142   int c[64];
143   foo(c, p);
144 }
145 
146 #endif
147