xref: /minix3/external/bsd/llvm/dist/clang/test/Parser/cxx-altivec.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 // RUN: %clang_cc1 -triple=powerpc-apple-darwin8 -faltivec -fsyntax-only -verify -std=c++11 %s
2 // RUN: %clang_cc1 -triple=powerpc64-unknown-linux-gnu -faltivec -fsyntax-only -verify -std=c++11 %s
3 // RUN: %clang_cc1 -triple=powerpc64le-unknown-linux-gnu -faltivec -fsyntax-only -verify -std=c++11 %s
4 
5 __vector char vv_c;
6 __vector signed char vv_sc;
7 __vector unsigned char vv_uc;
8 __vector short vv_s;
9 __vector signed  short vv_ss;
10 __vector unsigned  short vv_us;
11 __vector short int vv_si;
12 __vector signed short int vv_ssi;
13 __vector unsigned short int vv_usi;
14 __vector int vv_i;
15 __vector signed int vv_sint;
16 __vector unsigned int vv_ui;
17 __vector float vv_f;
18 __vector bool char vv_bc;
19 __vector bool short vv_bs;
20 __vector bool int vv_bi;
21 __vector __pixel vv_p;
22 __vector pixel vv__p;
23 __vector int vf__r();
24 void vf__a(__vector int a);
25 void vf__a2(int b, __vector int a);
26 
27 vector char v_c;
28 vector signed char v_sc;
29 vector unsigned char v_uc;
30 vector short v_s;
31 vector signed  short v_ss;
32 vector unsigned  short v_us;
33 vector short int v_si;
34 vector signed short int v_ssi;
35 vector unsigned short int v_usi;
36 vector int v_i;
37 vector signed int v_sint;
38 vector unsigned int v_ui;
39 vector float v_f;
40 vector bool char v_bc;
41 vector bool short v_bs;
42 vector bool int v_bi;
43 vector __pixel v_p;
44 vector pixel v__p;
45 vector int f__r();
46 void f_a(vector int a);
47 void f_a2(int b, vector int a);
48 
49 vector int v = (vector int)(-1);
50 
51 // These should have warnings.
52 __vector long vv_l;                 // expected-warning {{Use of 'long' with '__vector' is deprecated}}
53 __vector signed long vv_sl;         // expected-warning {{Use of 'long' with '__vector' is deprecated}}
54 __vector unsigned long vv_ul;       // expected-warning {{Use of 'long' with '__vector' is deprecated}}
55 __vector long int vv_li;            // expected-warning {{Use of 'long' with '__vector' is deprecated}}
56 __vector signed long int vv_sli;    // expected-warning {{Use of 'long' with '__vector' is deprecated}}
57 __vector unsigned long int vv_uli;  // expected-warning {{Use of 'long' with '__vector' is deprecated}}
58 vector long v_l;                    // expected-warning {{Use of 'long' with '__vector' is deprecated}}
59 vector signed long v_sl;            // expected-warning {{Use of 'long' with '__vector' is deprecated}}
60 vector unsigned long v_ul;          // expected-warning {{Use of 'long' with '__vector' is deprecated}}
61 vector long int v_li;               // expected-warning {{Use of 'long' with '__vector' is deprecated}}
62 vector signed long int v_sli;       // expected-warning {{Use of 'long' with '__vector' is deprecated}}
63 vector unsigned long int v_uli;     // expected-warning {{Use of 'long' with '__vector' is deprecated}}
64 __vector long double  vv_ld;        // expected-error {{cannot use 'long double' with '__vector'}}
65 vector long double  v_ld;           // expected-error {{cannot use 'long double' with '__vector'}}
66 
67 // These should have errors.
68 __vector double vv_d1;               // expected-error {{use of 'double' with '__vector' requires VSX support to be enabled (available on the POWER7 or later)}}
69 vector double v_d2;                  // expected-error {{use of 'double' with '__vector' requires VSX support to be enabled (available on the POWER7 or later)}}
70 __vector long double  vv_ld3;        // expected-error {{cannot use 'long double' with '__vector'}}
71 vector long double  v_ld4;           // expected-error {{cannot use 'long double' with '__vector'}}
72 vector bool v_b;                     // expected-error {{C++ requires a type specifier for all declarations}}
73 vector bool float v_bf;              // expected-error {{cannot use 'float' with '__vector bool'}}
74 vector bool double v_bd;             // expected-error {{cannot use 'double' with '__vector bool'}}
75 vector bool pixel v_bp;              // expected-error {{cannot use '__pixel' with '__vector bool'}}
76 vector bool signed char v_bsc;       // expected-error {{cannot use 'signed' with '__vector bool'}}
77 vector bool unsigned int v_bsc2;      // expected-error {{cannot use 'unsigned' with '__vector bool'}}
78 vector bool long v_bl;               // expected-error {{cannot use 'long' with '__vector bool'}}
79 vector bool long long v_bll;         // expected-error {{cannot use 'long long' with '__vector bool'}}
80 
81 // vector long is deprecated, but vector long long is not.
82 vector long long v_ll;
83 vector signed long long v_sll;
84 vector unsigned long long v_ull;
85 
f()86 void f() {
87   __vector unsigned int v = {0,0,0,0};
88   __vector int v__cast = (__vector int)v;
89   __vector int v_cast = (vector int)v;
90   __vector char vb_cast = (vector char)v;
91 
92   // Check some casting between gcc and altivec vectors.
93   #define gccvector __attribute__((vector_size(16)))
94   gccvector unsigned int gccv = {0,0,0,0};
95   gccvector unsigned int gccv1 = gccv;
96   gccvector int gccv2 = (gccvector int)gccv;
97   gccvector unsigned int gccv3 = v;
98   __vector unsigned int av = gccv;
99   __vector int avi = (__vector int)gccv;
100   gccvector unsigned int gv = v;
101   gccvector int gvi = (gccvector int)v;
102   __attribute__((vector_size(8))) unsigned int gv8;
103   gv8 = gccv;     // expected-error {{assigning to '__attribute__((__vector_size__(2 * sizeof(unsigned int)))) unsigned int' (vector of 2 'unsigned int' values) from incompatible type '__attribute__((__vector_size__(4 * sizeof(unsigned int)))) unsigned int' (vector of 4 'unsigned int' values)}}
104   av = gv8;       // expected-error {{assigning to '__vector unsigned int' (vector of 4 'unsigned int' values) from incompatible type '__attribute__((__vector_size__(2 * sizeof(unsigned int)))) unsigned int' (vector of 2 'unsigned int' values)}}
105 
106   v = gccv;
107   __vector unsigned int tv = gccv;
108   gccv = v;
109   gccvector unsigned int tgv = v;
110 }
111 
112 // Now for the C++ version:
113 
114 class vc__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 class c_v {
122   vector int v;
123   vector int f__r();
124   void f__a(vector int a);
125   void f__a2(int b, vector int a);
126 };
127 
128 
129 // bug 6895 - Vectorl literal casting confusion.
130 vector char v1 = (vector char)((vector int)(1, 2, 3, 4));
131 vector char v2 = (vector char)((vector float)(1.0f, 2.0f, 3.0f, 4.0f));
132 vector char v3 = (vector char)((vector int)('a', 'b', 'c', 'd'));
133 vector int v4 = (vector int)(1, 2, 3, 4);
134 vector float v5 = (vector float)(1.0f, 2.0f, 3.0f, 4.0f);
135 vector char v6 = (vector char)((vector int)(1+2, -2, (int)(2.0 * 3), -(5-3)));
136 
137 // bug 7553 - Problem with '==' and vectors
func()138 void func() {
139   bool res_b;
140   res_b = (vv_sc == vv_sc);
141   res_b = (vv_uc != vv_uc);
142   res_b = (vv_s > vv_s);
143   res_b = (vv_us >= vv_us);
144   res_b = (vv_i < vv_i);
145   res_b = (vv_ui <= vv_ui);
146   res_b = (vv_f <= vv_f);
147 }
148 
149 // vecreturn attribute test
150 struct Vector
151 {
152 	__vector float xyzw;
153 } __attribute__((vecreturn));
154 
Add(Vector lhs,Vector rhs)155 Vector Add(Vector lhs, Vector rhs)
156 {
157 	Vector result;
158 	result.xyzw = vec_add(lhs.xyzw, rhs.xyzw);
159 	return result; // This will (eventually) be returned in a register
160 }
161 
162 // vecreturn attribute test - should error because of virtual function.
163 class VectorClassNonPod
164 {
165 	__vector float xyzw;
166 public:
VectorClassNonPod()167   VectorClassNonPod() {}
~VectorClassNonPod()168   virtual ~VectorClassNonPod() {}
169 } __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)}}
170 
171 // vecreturn attribute test - should error because of virtual function.
172 class VectorClassMultipleMembers
173 {
174 public:
175 	__vector float xyzw;
176 	__vector float abcd;
177 } __attribute__((vecreturn));     // expected-error {{the vecreturn attribute can only be used on a class or structure with one member, which must be a vector}}
178 
PR16874()179 template<typename... Args> void PR16874() {
180 	(void) (Args::foo()...); // expected-error {{expression contains unexpanded parameter pack 'Args'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
181 }
182