File: pr20702.c

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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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-thread-jumps -fdisable-tree-evrp -fdump-tree-vrp1-details -fdelete-null-pointer-checks" } */

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 disabling -fdelete-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 } } } } */