clang/test/Sema/vecshift.c

   1 // RUN: %clang_cc1 -fsyntax-only -DERR -verify %s
   2 // RUN: %clang_cc1 -fsyntax-only -verify %s -Wno-error=vec-elem-size
   3 // RUN: %clang_cc1 -fsyntax-only -DEXT -DERR -verify %s
   4 // RUN: %clang_cc1 -fsyntax-only -DEXT -verify %s -Wno-error=vec-elem-size
   5
   6 #ifdef EXT
   7 typedef __attribute__((__ext_vector_type__(8))) char vector_char8;
   8 typedef __attribute__((__ext_vector_type__(8))) short vector_short8;
   9 typedef __attribute__((__ext_vector_type__(8))) int vector_int8;
  10 typedef __attribute__((__ext_vector_type__(8))) unsigned char vector_uchar8;
  11 typedef __attribute__((__ext_vector_type__(8))) unsigned short vector_ushort8;
  12 typedef __attribute__((__ext_vector_type__(8))) unsigned int vector_uint8;
  13 typedef __attribute__((__ext_vector_type__(4))) char vector_char4;
  14 typedef __attribute__((__ext_vector_type__(4))) short vector_short4;
  15 typedef __attribute__((__ext_vector_type__(4))) int vector_int4;
  16 typedef __attribute__((__ext_vector_type__(4))) unsigned char vector_uchar4;
  17 typedef __attribute__((__ext_vector_type__(4))) unsigned short vector_ushort4;
  18 typedef __attribute__((__ext_vector_type__(4))) unsigned int vector_uint4;
  19 #else
  20 typedef __attribute__((vector_size(8))) char vector_char8;
  21 typedef __attribute__((vector_size(16))) short vector_short8;
  22 typedef __attribute__((vector_size(32))) int vector_int8;
  23 typedef __attribute__((vector_size(8))) unsigned char vector_uchar8;
  24 typedef __attribute__((vector_size(16))) unsigned short vector_ushort8;
  25 typedef __attribute__((vector_size(32))) unsigned int vector_uint8;
  26 typedef __attribute__((vector_size(4))) char vector_char4;
  27 typedef __attribute__((vector_size(4))) short vector_short4;
  28 typedef __attribute__((vector_size(16))) int vector_int4;
  29 typedef __attribute__((vector_size(4))) unsigned char vector_uchar4;
  30 typedef __attribute__((vector_size(8))) unsigned short vector_ushort4;
  31 typedef __attribute__((vector_size(16))) unsigned int vector_uint4;
  32 #endif
  33
  34 char c;
  35 short s;
  36 int i;
  37 unsigned char uc;
  38 unsigned short us;
  39 unsigned int ui;
  40 vector_char8 vc8;
  41 vector_short8 vs8;
  42 vector_int8 vi8;
  43 vector_uchar8 vuc8;
  44 vector_ushort8 vus8;
  45 vector_uint8 vui8;
  46 vector_char4 vc4;
  47 vector_short4 vs4;
  48 vector_int4 vi4;
  49 vector_uchar4 vuc4;
  50 vector_ushort4 vus4;
  51 vector_uint4 vui4;
  52
  53 void foo(void) {
  54   vc8 = 1 << vc8;
  55   vuc8 = 1 << vuc8;
  56   vi8 = 1 << vi8;
  57   vui8 = 1 << vui8;
  58   vs8 = 1 << vs8;
  59   vus8 = 1 << vus8;
  60
  61   vc8 = c << vc8;
  62   vuc8 = i << vuc8;
  63   vi8 = uc << vi8;
  64   vui8 = us << vui8;
  65   vs8 = ui << vs8;
  66   vus8 = 1 << vus8;
  67
  68   vc8 = vc8 << vc8;
  69 #ifdef ERR
  70   vi8 = vi8 << vuc8; // expected-error {{vector operands do not have the same elements sizes}}
  71   vuc8 = vuc8 << vi8; // expected-error {{vector operands do not have the same elements sizes}}
  72   vus8 = vus8 << vui8; // expected-error {{vector operands do not have the same elements sizes}}
  73   vui8 = vui8 << vs8; // expected-error {{vector operands do not have the same elements sizes}}
  74 #else
  75   vi8 = vi8 << vuc8; // expected-warning {{vector operands do not have the same elements sizes}}
  76   vuc8 = vuc8 << vi8; // expected-warning {{vector operands do not have the same elements sizes}}
  77   vus8 = vus8 << vui8; // expected-warning {{vector operands do not have the same elements sizes}}
  78   vui8 = vui8 << vs8; // expected-warning {{vector operands do not have the same elements sizes}}
  79 #endif
  80
  81   vc8 <<= vc8;
  82 #ifdef ERR
  83   vi8 <<= vuc8; // expected-error {{vector operands do not have the same elements sizes}}
  84   vuc8 <<= vi8; // expected-error {{vector operands do not have the same elements sizes}}
  85   vus8 <<= vui8; // expected-error {{vector operands do not have the same elements sizes}}
  86   vui8 <<= vs8; // expected-error {{vector operands do not have the same elements sizes}}
  87 #else
  88   vi8 <<= vuc8; // expected-warning {{vector operands do not have the same elements sizes}}
  89   vuc8 <<= vi8; // expected-warning {{vector operands do not have the same elements sizes}}
  90   vus8 <<= vui8; // expected-warning {{vector operands do not have the same elements sizes}}
  91   vui8 <<= vs8; // expected-warning {{vector operands do not have the same elements sizes}}
  92 #endif
  93
  94   c <<= vc8; // expected-error {{assigning to 'char' from incompatible type}}
  95   i <<= vuc8; // expected-error {{assigning to 'int' from incompatible type}}
  96   uc <<= vi8; // expected-error {{assigning to 'unsigned char' from incompatible type}}
  97   us <<= vui8; // expected-error {{assigning to 'unsigned short' from incompatible type}}
  98   ui <<= vs8; // expected-error {{assigning to 'unsigned int' from incompatible type}}
  99 }