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view gcc/testsuite/gcc.dg/tree-ssa/ssa-hoist-1.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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line source

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre" } */

unsigned short f(unsigned short a)
{
  if (a & 0x8000)
    a <<= 1, a = a ^ 0x1021;
  else
    a <<= 1;

  return a;
}

/* We should hoist and CSE the shift.  */

/* { dg-final { scan-tree-dump-times " << 1;" 1 "pre" } } */