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/* { dg-do compile } */
/* { dg-options "-O2 -fno-tree-fre -fdump-tree-vrp1-details" } */
/* Compile with -fno-tree-fre -O2 to prevent CSEing *p. */
foo (int a, int *p)
{
int x = *p + 2;
int y = *p - 1;
int z = *p + 9;
/* This should be folded to if (1), but only one ASSERT_EXPR should
be inserted. */
if (p)
a = x + y + z;
else
a = x - y;
return a;
}
/* Target with fno-delete-null-pointer-checks should not fold checks */
/* { dg-final { scan-tree-dump-times "Folding predicate p_.*to 1" 1 "vrp1" { target { ! keeps_null_pointer_checks } } } } */
/* { dg-final { scan-tree-dump-times "PREDICATE: p_.* ne_expr 0" 1 "vrp1" { target { ! keeps_null_pointer_checks } } } } */
/* { dg-final { scan-tree-dump-times "Folding predicate p_.*to 1" 0 "vrp1" { target { keeps_null_pointer_checks } } } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */
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