clang/test/Parser/cxx-altivec.cpp

   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 // FIXME: why is this diagnostic different from the others?
 115 vector bool v_b;                     // expected-error {{a type specifier is required for all declarations}}
 116 vector bool float v_bf;              // expected-error {{cannot use 'float' with '__vector bool'}}
 117 vector bool double v_bd;             // expected-error {{cannot use 'double' with '__vector bool'}}
 118 vector bool pixel v_bp;              // expected-error {{cannot use '__pixel' with '__vector bool'}}
 119 vector bool signed char v_bsc;       // expected-error {{cannot use 'signed' with '__vector bool'}}
 120 vector bool unsigned int v_bsc2;     // expected-error {{cannot use 'unsigned' with '__vector bool'}}
 121 vector bool long v_bl;               // expected-error {{cannot use 'long' with '__vector bool'}}
 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
 129 #ifdef __VSX__
 130 // vector long is deprecated, but vector long long is not.
 131 vector long long v_ll;
 132 vector signed long long v_sll;
 133 vector unsigned long long v_ull;
 134 #else
 135 // vector long long is not supported without vsx.
 136 vector long long v_ll;              //  expected-error {{use of 'long long' with '__vector' requires VSX support (available on POWER7 or later) to be enabled}}
 137 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}}
 138 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}}
 139 #endif
 140
 141 void f() {
 142   __vector unsigned int v = {0,0,0,0};
 143   __vector int v__cast = (__vector int)v;
 144   __vector int v_cast = (vector int)v;
 145   __vector char vb_cast = (vector char)v;
 146
 147   // Check some casting between gcc and altivec vectors.
 148   #define gccvector __attribute__((vector_size(16)))
 149   gccvector unsigned int gccv = {0,0,0,0};
 150   gccvector unsigned int gccv1 = gccv;
 151   gccvector int gccv2 = (gccvector int)gccv;
 152   gccvector unsigned int gccv3 = v;
 153   __vector unsigned int av = gccv;
 154   __vector int avi = (__vector int)gccv;
 155   gccvector unsigned int gv = v;
 156   gccvector int gvi = (gccvector int)v;
 157   __attribute__((vector_size(8))) unsigned int gv8;
 158   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)}}
 159   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)}}
 160
 161   v = gccv;
 162   __vector unsigned int tv = gccv;
 163   gccv = v;
 164   gccvector unsigned int tgv = v;
 165 }
 166
 167 // Now for the C++ version:
 168
 169 class vc__v {
 170   __vector int v;
 171   __vector int f__r();
 172   void f__a(__vector int a);
 173   void f__a2(int b, __vector int a);
 174 };
 175
 176 class c_v {
 177   vector int v;
 178   vector int f__r();
 179   void f__a(vector int a);
 180   void f__a2(int b, vector int a);
 181 };
 182
 183
 184 // bug 6895 - Vectorl literal casting confusion.
 185 vector char v1 = (vector char)((vector int)(1, 2, 3, 4));
 186 vector char v2 = (vector char)((vector float)(1.0f, 2.0f, 3.0f, 4.0f));
 187 vector char v3 = (vector char)((vector int)('a', 'b', 'c', 'd'));
 188 vector int v4 = (vector int)(1, 2, 3, 4);
 189 vector float v5 = (vector float)(1.0f, 2.0f, 3.0f, 4.0f);
 190 vector char v6 = (vector char)((vector int)(1+2, -2, (int)(2.0 * 3), -(5-3)));
 191
 192 // bug 7553 - Problem with '==' and vectors
 193 void func() {
 194   bool res_b;
 195   res_b = (vv_sc == vv_sc);
 196   res_b = (vv_uc != vv_uc);
 197   res_b = (vv_s > vv_s);
 198   res_b = (vv_us >= vv_us);
 199   res_b = (vv_i < vv_i);
 200   res_b = (vv_ui <= vv_ui);
 201   res_b = (vv_f <= vv_f);
 202 }
 203
 204 // vecreturn attribute test
 205 struct Vector
 206 {
 207         __vector float xyzw;
 208 } __attribute__((vecreturn));
 209
 210 Vector Add(Vector lhs, Vector rhs)
 211 {
 212         Vector result;
 213         result.xyzw = vec_add(lhs.xyzw, rhs.xyzw);
 214         return result; // This will (eventually) be returned in a register
 215 }
 216
 217 // vecreturn attribute test - should error because of virtual function.
 218 class VectorClassNonPod
 219 {
 220         __vector float xyzw;
 221 public:
 222   VectorClassNonPod() {}
 223   virtual ~VectorClassNonPod() {}
 224 } __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)}}
 225
 226 // vecreturn attribute test - should error because of virtual function.
 227 class VectorClassMultipleMembers
 228 {
 229 public:
 230         __vector float xyzw;
 231         __vector float abcd;
 232 } __attribute__((vecreturn));     // expected-error {{the vecreturn attribute can only be used on a class or structure with one member, which must be a vector}}
 233
 234 template<typename... Args> void PR16874() {
 235         (void) (Args::foo()...); // expected-error {{expression contains unexpanded parameter pack 'Args'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 236 }
 237