validation/builtin-bswap-variable.c

   1 typedef unsigned short     u16;
   2 typedef unsigned int       u32;
   3 typedef unsigned long long u64;
   4
   5 static u16 swap16v(u16 a)
   6 {
   7         return __builtin_bswap16(a);
   8 }
   9
  10 static u32 swap32v(u64 a)
  11 {
  12         return __builtin_bswap32(a);
  13 }
  14
  15 static u64 swap64v(u32 a)
  16 {
  17         return __builtin_bswap64(a);
  18 }
  19
  20 /*
  21  * check-name: builtin-bswap
  22  * check-command: test-linearize $file
  23  * check-description: Check that the right builtin function is called, and
  24  *                    that the args are correctly promoted or truncated.
  25  *
  26  * check-output-ignore
  27  * check-output-contains:call.16 .* __builtin_bswap16
  28  * check-output-contains:trunc.32 .* (64) %arg1
  29  * check-output-contains:call.32 .* __builtin_bswap32
  30  * check-output-contains:zext.64 .* (32) %arg1
  31  * check-output-contains:call.64 .* __builtin_bswap64
  32  */