view gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-30.c @ 131:84e7813d76e9

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-require-effective-target int32 } */
/* { dg-options "-O2 -fdump-tree-pre-details" } */

int f;
int g;
unsigned int
foo (int b, int x)
{
  if (b)
    x = *(int *)&f;
  g = x;
  return *(unsigned int*)&f;
}
float
bar (int b, int x)
{
  if (b)
    x = *(int *)&f;
  g = x;
  return *(float *)&f;
}

/* We should see the partial redundant loads of f even though they
   are using different types (of the same size).  */

/* { dg-final { scan-tree-dump-times "Replaced MEM" 2 "pre" } } */