xref: /llvm-project/clang/test/Parser/cxx-altivec.cpp (revision 01c600dec6f506ae305abf04cf955e08aa59b234)
1 // RUN: %clang_cc1 -triple=powerpc64-unknown-linux-gnu -target-feature +altivec -target-feature +vsx -fsyntax-only -verify=expected,nonaix -std=c++11 %s
2 // RUN: %clang_cc1 -triple=powerpc64le-unknown-linux-gnu -target-feature +altivec -fsyntax-only -verify=expected,novsx -std=c++11 %s
3 // RUN: %clang_cc1 -triple=powerpc64-unknown-linux-gnu -target-feature +vsx -target-cpu pwr7 -fsyntax-only -verify=expected,nonaix -std=c++11 %s
4 // RUN: %clang_cc1 -triple=powerpc64le-unknown-linux-gnu -target-feature -vsx -target-cpu pwr7 -fsyntax-only -verify=expected,novsx -std=c++11 %s
5 // RUN: %clang_cc1 -triple=powerpc-ibm-aix -target-feature +altivec -fsyntax-only -verify=expected,aix -std=c++11 %s
6 // RUN: %clang_cc1 -triple=powerpc64-ibm-aix -target-feature +altivec -fsyntax-only -verify=expected,aix -std=c++11 %s
7 #include <altivec.h>
8 
9 __vector char vv_c;
10 __vector signed char vv_sc;
11 __vector unsigned char vv_uc;
12 __vector short vv_s;
13 __vector signed  short vv_ss;
14 __vector unsigned  short vv_us;
15 __vector short int vv_si;
16 __vector signed short int vv_ssi;
17 __vector unsigned short int vv_usi;
18 __vector int vv_i;
19 __vector signed int vv_sint;
20 __vector unsigned int vv_ui;
21 __vector float vv_f;
22 __vector bool char vv_bc;
23 __vector bool short vv_bs;
24 __vector bool int vv_bi;
25 __vector __bool char vv___bc;
26 __vector __bool short vv___bs;
27 __vector __bool int vv___bi;
28 __vector __pixel vv_p;
29 __vector pixel vv__p;
30 __vector int vf__r();
31 void vf__a(__vector int a);
32 void vf__a2(int b, __vector int a);
33 
34 vector char v_c;
35 vector signed char v_sc;
36 vector unsigned char v_uc;
37 vector short v_s;
38 vector signed  short v_ss;
39 vector unsigned  short v_us;
40 vector short int v_si;
41 vector signed short int v_ssi;
42 vector unsigned short int v_usi;
43 vector int v_i;
44 vector signed int v_sint;
45 vector unsigned int v_ui;
46 vector float v_f;
47 vector bool char v_bc;
48 vector bool short v_bs;
49 vector bool int v_bi;
50 vector __bool char v___bc;
51 vector __bool short v___bs;
52 vector __bool int v___bi;
53 vector __pixel v_p;
54 vector pixel v__p;
55 vector int f__r();
56 void f_a(vector int a);
57 void f_a2(int b, vector int a);
58 
59 vector int v = (vector int)(-1);
60 
61 // These should have errors on AIX and warnings otherwise.
62 __vector long vv_l;                 // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
63                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
64                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
65 __vector signed long vv_sl;         // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
66                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
67                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
68 __vector unsigned long vv_ul;       // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
69                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
70                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
71 __vector long int vv_li;            // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
72                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
73                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
74 __vector signed long int vv_sli;    // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
75                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
76                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
77 __vector unsigned long int vv_uli;  // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
78                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
79                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
80 vector long v_l;                    // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
81                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
82                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
83 vector signed long v_sl;            // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
84                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
85                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
86 vector unsigned long v_ul;          // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
87                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
88                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
89 vector long int v_li;               // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
90                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
91                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
92 vector signed long int v_sli;       // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
93                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
94                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
95 vector unsigned long int v_uli;     // nonaix-warning {{use of 'long' with '__vector' is deprecated}}
96                                     // aix-error@-1 {{cannot use 'long' with '__vector'}}
97                                     // novsx-error@-2 {{cannot use 'long' with '__vector'}}
98 
99 // These should have warnings.
100 __vector long double  vv_ld;        // expected-error {{cannot use 'long double' with '__vector'}}
101 vector long double  v_ld;           // expected-error {{cannot use 'long double' with '__vector'}}
102 
103 #ifndef __VSX__
104 // These should have errors for non pwr7 vsx builds.
105 __vector double vv_d1;               // expected-error {{use of 'double' with '__vector' requires VSX support to be enabled (available on POWER7 or later)}}
106 vector double v_d2;                  // expected-error {{use of 'double' with '__vector' requires VSX support to be enabled (available on POWER7 or later)}}
107 __vector bool long long v_bll1;      // expected-error {{use of 'long long' with '__vector' requires VSX support (available on POWER7 or later) to be enabled}}
108 __vector __bool long long v_bll2;    // expected-error {{use of 'long long' with '__vector' requires VSX support (available on POWER7 or later) to be enabled}}
109 vector bool long long v_bll3;        // expected-error {{use of 'long long' with '__vector' requires VSX support (available on POWER7 or later) to be enabled}}
110 vector __bool long long v_bll4;      // expected-error {{use of 'long long' with '__vector' requires VSX support (available on POWER7 or later) to be enabled}}
111 #endif
112 __vector long double  vv_ld3;        // expected-error {{cannot use 'long double' with '__vector'}}
113 vector long double  v_ld4;           // expected-error {{cannot use 'long double' with '__vector'}}
114 vector float _Complex v_cf;          // expected-error {{cannot use '_Complex' with '__vector'}}
115 vector double _Complex v_cd;         // expected-error {{cannot use '_Complex' with '__vector'}}
116 vector long double _Complex v_cld;   // expected-error {{cannot use '_Complex' with '__vector'}}
117 __vector float _Complex v_cf2;       // expected-error {{cannot use '_Complex' with '__vector'}}
118 __vector double _Complex v_cd2;      // expected-error {{cannot use '_Complex' with '__vector'}}
119 __vector long double _Complex v_cld2;// expected-error {{cannot use '_Complex' with '__vector'}}
120 // FIXME: why is this diagnostic different from the others?
121 vector bool v_b;                     // expected-error {{a type specifier is required for all declarations}}
122 vector bool float v_bf;              // expected-error {{cannot use 'float' with '__vector bool'}}
123 vector bool double v_bd;             // expected-error {{cannot use 'double' with '__vector bool'}}
124 vector bool pixel v_bp;              // expected-error {{cannot use '__pixel' with '__vector bool'}}
125 vector bool signed char v_bsc;       // expected-error {{cannot use 'signed' with '__vector bool'}}
126 vector bool unsigned int v_bsc2;     // expected-error {{cannot use 'unsigned' with '__vector bool'}}
127 vector bool long v_bl;               // expected-error {{cannot use 'long' with '__vector bool'}}
128 vector __bool float v___bf;          // expected-error {{cannot use 'float' with '__vector bool'}}
129 vector __bool double v___bd;         // expected-error {{cannot use 'double' with '__vector bool'}}
130 vector __bool pixel v___bp;          // expected-error {{cannot use '__pixel' with '__vector bool'}}
131 vector __bool signed char v___bsc;   // expected-error {{cannot use 'signed' with '__vector bool'}}
132 vector __bool unsigned int v___bsc2; // expected-error {{cannot use 'unsigned' with '__vector bool'}}
133 vector __bool long v___bl;           // expected-error {{cannot use 'long' with '__vector bool'}}
134 
135 #ifdef __VSX__
136 // vector long is deprecated, but vector long long is not.
137 vector long long v_ll;
138 vector signed long long v_sll;
139 vector unsigned long long v_ull;
140 #else
141 // vector long long is not supported without vsx.
142 vector long long v_ll;              //  expected-error {{use of 'long long' with '__vector' requires VSX support (available on POWER7 or later) to be enabled}}
143 vector signed long long v_sll;      //  expected-error {{use of 'long long' with '__vector' requires VSX support (available on POWER7 or later) to be enabled}}
144 vector unsigned long long v_ull;    //  expected-error {{use of 'long long' with '__vector' requires VSX support (available on POWER7 or later) to be enabled}}
145 #endif
146 
f()147 void f() {
148   __vector unsigned int v = {0,0,0,0};
149   __vector int v__cast = (__vector int)v;
150   __vector int v_cast = (vector int)v;
151   __vector char vb_cast = (vector char)v;
152 
153   // Check some casting between gcc and altivec vectors.
154   #define gccvector __attribute__((vector_size(16)))
155   gccvector unsigned int gccv = {0,0,0,0};
156   gccvector unsigned int gccv1 = gccv;
157   gccvector int gccv2 = (gccvector int)gccv;
158   gccvector unsigned int gccv3 = v;
159   __vector unsigned int av = gccv;
160   __vector int avi = (__vector int)gccv;
161   gccvector unsigned int gv = v;
162   gccvector int gvi = (gccvector int)v;
163   __attribute__((vector_size(8))) unsigned int gv8;
164   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)}}
165   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)}}
166 
167   v = gccv;
168   __vector unsigned int tv = gccv;
169   gccv = v;
170   gccvector unsigned int tgv = v;
171 }
172 
173 // Now for the C++ version:
174 
175 class vc__v {
176   __vector int v;
177   __vector int f__r();
178   void f__a(__vector int a);
179   void f__a2(int b, __vector int a);
180 };
181 
182 class c_v {
183   vector int v;
184   vector int f__r();
185   void f__a(vector int a);
186   void f__a2(int b, vector int a);
187 };
188 
189 
190 // bug 6895 - Vectorl literal casting confusion.
191 vector char v1 = (vector char)((vector int)(1, 2, 3, 4));
192 vector char v2 = (vector char)((vector float)(1.0f, 2.0f, 3.0f, 4.0f));
193 vector char v3 = (vector char)((vector int)('a', 'b', 'c', 'd'));
194 vector int v4 = (vector int)(1, 2, 3, 4);
195 vector float v5 = (vector float)(1.0f, 2.0f, 3.0f, 4.0f);
196 vector char v6 = (vector char)((vector int)(1+2, -2, (int)(2.0 * 3), -(5-3)));
197 
198 // bug 7553 - Problem with '==' and vectors
func()199 void func() {
200   bool res_b;
201   res_b = (vv_sc == vv_sc);
202   res_b = (vv_uc != vv_uc);
203   res_b = (vv_s > vv_s);
204   res_b = (vv_us >= vv_us);
205   res_b = (vv_i < vv_i);
206   res_b = (vv_ui <= vv_ui);
207   res_b = (vv_f <= vv_f);
208 }
209 
210 // vecreturn attribute test
211 struct Vector
212 {
213 	__vector float xyzw;
214 } __attribute__((vecreturn));
215 
Add(Vector lhs,Vector rhs)216 Vector Add(Vector lhs, Vector rhs)
217 {
218 	Vector result;
219 	result.xyzw = vec_add(lhs.xyzw, rhs.xyzw);
220 	return result; // This will (eventually) be returned in a register
221 }
222 
223 // vecreturn attribute test - should error because of virtual function.
224 class VectorClassNonPod
225 {
226 	__vector float xyzw;
227 public:
VectorClassNonPod()228   VectorClassNonPod() {}
~VectorClassNonPod()229   virtual ~VectorClassNonPod() {}
230 } __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)}}
231 
232 // vecreturn attribute test - should error because of virtual function.
233 class VectorClassMultipleMembers
234 {
235 public:
236 	__vector float xyzw;
237 	__vector float abcd;
238 } __attribute__((vecreturn));     // expected-error {{the vecreturn attribute can only be used on a class or structure with one member, which must be a vector}}
239 
PR16874()240 template<typename... Args> void PR16874() {
241 	(void) (Args::foo()...); // expected-error {{expression contains unexpanded parameter pack 'Args'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
242 }
243 
244