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/* PR tree-optimization/20702
VRP did not insert ASSERT_EXPRs into dominator dominator children
of a basic block ending with COND_EXPR unless the children are also
immediate successors of the basic block. */
/* { dg-do compile } */
/* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-vrp1-details" } */
extern void bar (int);
int
foo (int *p, int b)
{
int a;
if (b)
bar (123);
else
bar (321);
a = *p;
if (p == 0)
return 0;
return a;
}
/* Target with fno-delete-null-pointer-checks should not fold checks */
/* { dg-final { scan-tree-dump-times "Folding predicate" 1 "vrp1" { target { ! keeps_null_pointer_checks } } } } */
/* { dg-final { scan-tree-dump-times "Folding predicate" 0 "vrp1" { target { keeps_null_pointer_checks } } } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */
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