Home | History | Annotate | Download | only in Parser
      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-warning {{Use of 'long' with '__vector' is deprecated}} expected-error {{cannot use 'double' with '__vector'}}
     65 vector long double  v_ld;           // expected-warning {{Use of 'long' with '__vector' is deprecated}} expected-error {{cannot use 'double' with '__vector'}}
     66 
     67 // These should have errors.
     68 __vector double vv_d1;               // expected-error {{cannot use 'double' with '__vector'}}
     69 vector double v_d2;                  // expected-error {{cannot use 'double' with '__vector'}}
     70 __vector long double  vv_ld3;        // expected-warning {{Use of 'long' with '__vector' is deprecated}} expected-error {{cannot use 'double' with '__vector'}}
     71 vector long double  v_ld4;           // expected-warning {{Use of 'long' with '__vector' is deprecated}} expected-error {{cannot use '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 void f() {
     82   __vector unsigned int v = {0,0,0,0};
     83   __vector int v__cast = (__vector int)v;
     84   __vector int v_cast = (vector int)v;
     85   __vector char vb_cast = (vector char)v;
     86 
     87   // Check some casting between gcc and altivec vectors.
     88   #define gccvector __attribute__((vector_size(16)))
     89   gccvector unsigned int gccv = {0,0,0,0};
     90   gccvector unsigned int gccv1 = gccv;
     91   gccvector int gccv2 = (gccvector int)gccv;
     92   gccvector unsigned int gccv3 = v;
     93   __vector unsigned int av = gccv;
     94   __vector int avi = (__vector int)gccv;
     95   gccvector unsigned int gv = v;
     96   gccvector int gvi = (gccvector int)v;
     97   __attribute__((vector_size(8))) unsigned int gv8;
     98   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)}}
     99   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)}}
    100 
    101   v = gccv;
    102   __vector unsigned int tv = gccv;
    103   gccv = v;
    104   gccvector unsigned int tgv = v;
    105 }
    106 
    107 // Now for the C++ version:
    108 
    109 class vc__v {
    110   __vector int v;
    111   __vector int f__r();
    112   void f__a(__vector int a);
    113   void f__a2(int b, __vector int a);
    114 };
    115 
    116 class c_v {
    117   vector int v;
    118   vector int f__r();
    119   void f__a(vector int a);
    120   void f__a2(int b, vector int a);
    121 };
    122 
    123 
    124 // bug 6895 - Vectorl literal casting confusion.
    125 vector char v1 = (vector char)((vector int)(1, 2, 3, 4));
    126 vector char v2 = (vector char)((vector float)(1.0f, 2.0f, 3.0f, 4.0f));
    127 vector char v3 = (vector char)((vector int)('a', 'b', 'c', 'd'));
    128 vector int v4 = (vector int)(1, 2, 3, 4);
    129 vector float v5 = (vector float)(1.0f, 2.0f, 3.0f, 4.0f);
    130 vector char v6 = (vector char)((vector int)(1+2, -2, (int)(2.0 * 3), -(5-3)));
    131 
    132 // bug 7553 - Problem with '==' and vectors
    133 void func() {
    134   bool res_b;
    135   res_b = (vv_sc == vv_sc);
    136   res_b = (vv_uc != vv_uc);
    137   res_b = (vv_s > vv_s);
    138   res_b = (vv_us >= vv_us);
    139   res_b = (vv_i < vv_i);
    140   res_b = (vv_ui <= vv_ui);
    141   res_b = (vv_f <= vv_f);
    142 }
    143 
    144 // vecreturn attribute test
    145 struct Vector
    146 {
    147 	__vector float xyzw;
    148 } __attribute__((vecreturn));
    149 
    150 Vector Add(Vector lhs, Vector rhs)
    151 {
    152 	Vector result;
    153 	result.xyzw = vec_add(lhs.xyzw, rhs.xyzw);
    154 	return result; // This will (eventually) be returned in a register
    155 }
    156 
    157 // vecreturn attribute test - should error because of virtual function.
    158 class VectorClassNonPod
    159 {
    160 	__vector float xyzw;
    161 public:
    162   VectorClassNonPod() {}
    163   virtual ~VectorClassNonPod() {}
    164 } __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)}}
    165 
    166 // vecreturn attribute test - should error because of virtual function.
    167 class VectorClassMultipleMembers
    168 {
    169 public:
    170 	__vector float xyzw;
    171 	__vector float abcd;
    172 } __attribute__((vecreturn));     // expected-error {{the vecreturn attribute can only be used on a class or structure with one member, which must be a vector}}
    173 
    174 template<typename... Args> void PR16874() {
    175 	(void) (Args::foo()...); // expected-error {{expression contains unexpanded parameter pack 'Args'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    176 }
    177