gcc/testsuite/gcc.dg/builtin-bswap-1.c


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/* { dg-do compile } */
/* { dg-options "" } */
/* { dg-final { scan-assembler-not "__builtin_" } } */

#include <stdint.h>

uint32_t foo (uint32_t a)
{
  int b;

  b = __builtin_bswap32 (a);

  return b;
}