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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre-stats" } */
extern void spoil (void);
int foo(int **a,int argc)
{
int b;
int d, e;
if (argc)
{
d = *(*a);
}
else
{
/* Spoil *a and *(*a) to avoid hoisting it before the "if (...)". */
spoil ();
}
/* Should be able to eliminate one of the *(*a)'s along the if path
by pushing it into the else path. We will also eliminate
one of the *a's. */
e = *(*a);
return d + e;
}
/* { dg-final { scan-tree-dump-times "Eliminated: 2" 1 "pre"} } */
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