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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-original" } */
/* { dg-final { scan-tree-dump-times "return s \\^ x;" 4 "original" } } */
int f1 (int x, int s)
{
return ~(~(x|s)|x)|~(~(x|s)|s);
}
int f2 (int x, int s)
{
return ~(~(~x&s)&~(x&~s));
}
int f3 (int x, int s)
{
return ~((x|~s)&(~x|s));
}
int f4 (int x, int s)
{
return (x|~s)^(~x|s);
}
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