1 // RUN: %clang_cc1 -triple=powerpc-apple-darwin8 -faltivec -fsyntax-only -verify -std=c++11 %s
2 
3 __vector char vv_c;
4 __vector signed char vv_sc;
5 __vector unsigned char vv_uc;
6 __vector short vv_s;
7 __vector signed  short vv_ss;
8 __vector unsigned  short vv_us;
9 __vector short int vv_si;
10 __vector signed short int vv_ssi;
11 __vector unsigned short int vv_usi;
12 __vector int vv_i;
13 __vector signed int vv_sint;
14 __vector unsigned int vv_ui;
15 __vector float vv_f;
16 __vector bool char vv_bc;
17 __vector bool short vv_bs;
18 __vector bool int vv_bi;
19 __vector __pixel vv_p;
20 __vector pixel vv__p;
21 __vector int vf__r();
22 void vf__a(__vector int a);
23 void vf__a2(int b, __vector int a);
24 
25 vector char v_c;
26 vector signed char v_sc;
27 vector unsigned char v_uc;
28 vector short v_s;
29 vector signed  short v_ss;
30 vector unsigned  short v_us;
31 vector short int v_si;
32 vector signed short int v_ssi;
33 vector unsigned short int v_usi;
34 vector int v_i;
35 vector signed int v_sint;
36 vector unsigned int v_ui;
37 vector float v_f;
38 vector bool char v_bc;
39 vector bool short v_bs;
40 vector bool int v_bi;
41 vector __pixel v_p;
42 vector pixel v__p;
43 vector int f__r();
44 void f_a(vector int a);
45 void f_a2(int b, vector int a);
46 
47 vector int v = (vector int)(-1);
48 
49 // These should have warnings.
50 __vector long vv_l;                 // expected-warning {{Use of 'long' with '__vector' is deprecated}}
51 __vector signed long vv_sl;         // expected-warning {{Use of 'long' with '__vector' is deprecated}}
52 __vector unsigned long vv_ul;       // expected-warning {{Use of 'long' with '__vector' is deprecated}}
53 __vector long int vv_li;            // expected-warning {{Use of 'long' with '__vector' is deprecated}}
54 __vector signed long int vv_sli;    // expected-warning {{Use of 'long' with '__vector' is deprecated}}
55 __vector unsigned long int vv_uli;  // expected-warning {{Use of 'long' with '__vector' is deprecated}}
56 vector long v_l;                    // expected-warning {{Use of 'long' with '__vector' is deprecated}}
57 vector signed long v_sl;            // expected-warning {{Use of 'long' with '__vector' is deprecated}}
58 vector unsigned long v_ul;          // expected-warning {{Use of 'long' with '__vector' is deprecated}}
59 vector long int v_li;               // expected-warning {{Use of 'long' with '__vector' is deprecated}}
60 vector signed long int v_sli;       // expected-warning {{Use of 'long' with '__vector' is deprecated}}
61 vector unsigned long int v_uli;     // expected-warning {{Use of 'long' with '__vector' is deprecated}}
62 __vector long double  vv_ld;        // expected-warning {{Use of 'long' with '__vector' is deprecated}} expected-error {{cannot use 'double' with '__vector'}}
63 vector long double  v_ld;           // expected-warning {{Use of 'long' with '__vector' is deprecated}} expected-error {{cannot use 'double' with '__vector'}}
64 
65 // These should have errors.
66 __vector double vv_d1;               // expected-error {{cannot use 'double' with '__vector'}}
67 vector double v_d2;                  // expected-error {{cannot use 'double' with '__vector'}}
68 __vector long double  vv_ld3;        // expected-warning {{Use of 'long' with '__vector' is deprecated}} expected-error {{cannot use 'double' with '__vector'}}
69 vector long double  v_ld4;           // expected-warning {{Use of 'long' with '__vector' is deprecated}} expected-error {{cannot use 'double' with '__vector'}}
70 vector bool v_b;                     // expected-error {{C++ requires a type specifier for all declarations}}
71 vector bool float v_bf;              // expected-error {{cannot use 'float' with '__vector bool'}}
72 vector bool double v_bd;             // expected-error {{cannot use 'double' with '__vector bool'}}
73 vector bool pixel v_bp;              // expected-error {{cannot use '__pixel' with '__vector bool'}}
74 vector bool signed char v_bsc;       // expected-error {{cannot use 'signed' with '__vector bool'}}
75 vector bool unsigned int v_bsc2;      // expected-error {{cannot use 'unsigned' with '__vector bool'}}
76 vector bool long v_bl;               // expected-error {{cannot use 'long' with '__vector bool'}}
77 vector bool long long v_bll;         // expected-error {{cannot use 'long long' with '__vector bool'}}
78 
79 void f() {
80   __vector unsigned int v = {0,0,0,0};
81   __vector int v__cast = (__vector int)v;
82   __vector int v_cast = (vector int)v;
83   __vector char vb_cast = (vector char)v;
84 
85   // Check some casting between gcc and altivec vectors.
86   #define gccvector __attribute__((vector_size(16)))
87   gccvector unsigned int gccv = {0,0,0,0};
88   gccvector unsigned int gccv1 = gccv;
89   gccvector int gccv2 = (gccvector int)gccv;
90   gccvector unsigned int gccv3 = v;
91   __vector unsigned int av = gccv;
92   __vector int avi = (__vector int)gccv;
93   gccvector unsigned int gv = v;
94   gccvector int gvi = (gccvector int)v;
95   __attribute__((vector_size(8))) unsigned int gv8;
96   gv8 = gccv;     // expected-error {{assigning to '__attribute__((__vector_size__(2 * sizeof(unsigned int)))) unsigned int' from incompatible type '__attribute__((__vector_size__(4 * sizeof(unsigned int)))) unsigned int'}}
97   av = gv8;       // expected-error {{assigning to '__vector unsigned int' from incompatible type '__attribute__((__vector_size__(2 * sizeof(unsigned int)))) unsigned int'}}
98 
99   v = gccv;
100   __vector unsigned int tv = gccv;
101   gccv = v;
102   gccvector unsigned int tgv = v;
103 }
104 
105 // Now for the C++ version:
106 
107 class vc__v {
108   __vector int v;
109   __vector int f__r();
110   void f__a(__vector int a);
111   void f__a2(int b, __vector int a);
112 };
113 
114 class c_v {
115   vector int v;
116   vector int f__r();
117   void f__a(vector int a);
118   void f__a2(int b, vector int a);
119 };
120 
121 
122 // bug 6895 - Vectorl literal casting confusion.
123 vector char v1 = (vector char)((vector int)(1, 2, 3, 4));
124 vector char v2 = (vector char)((vector float)(1.0f, 2.0f, 3.0f, 4.0f));
125 vector char v3 = (vector char)((vector int)('a', 'b', 'c', 'd'));
126 vector int v4 = (vector int)(1, 2, 3, 4);
127 vector float v5 = (vector float)(1.0f, 2.0f, 3.0f, 4.0f);
128 vector char v6 = (vector char)((vector int)(1+2, -2, (int)(2.0 * 3), -(5-3)));
129 
130 // bug 7553 - Problem with '==' and vectors
131 void func() {
132   bool res_b;
133   res_b = (vv_sc == vv_sc);
134   res_b = (vv_uc != vv_uc);
135   res_b = (vv_s > vv_s);
136   res_b = (vv_us >= vv_us);
137   res_b = (vv_i < vv_i);
138   res_b = (vv_ui <= vv_ui);
139   res_b = (vv_f <= vv_f);
140 }
141 
142 // vecreturn attribute test
143 struct Vector
144 {
145 	__vector float xyzw;
146 } __attribute__((vecreturn));
147 
148 Vector Add(Vector lhs, Vector rhs)
149 {
150 	Vector result;
151 	result.xyzw = vec_add(lhs.xyzw, rhs.xyzw);
152 	return result; // This will (eventually) be returned in a register
153 }
154 
155 // vecreturn attribute test - should error because of virtual function.
156 class VectorClassNonPod
157 {
158 	__vector float xyzw;
159 public:
160   VectorClassNonPod() {}
161   virtual ~VectorClassNonPod() {}
162 } __attribute__((vecreturn));     // expected-error {{the vecreturn attribute can only be used on a POD (plain old data) class or structure (i.e. no virtual functions)}}
163 
164 // vecreturn attribute test - should error because of virtual function.
165 class VectorClassMultipleMembers
166 {
167 public:
168 	__vector float xyzw;
169 	__vector float abcd;
170 } __attribute__((vecreturn));     // expected-error {{the vecreturn attribute can only be used on a class or structure with one member, which must be a vector}}
171 
172 template<typename... Args> void PR16874() {
173 	(void) (Args::foo()...); // expected-error {{expression contains unexpanded parameter pack 'Args'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
174 }
175