File: phi-opt-2.c

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */
/* { dg-additional-options "-mbranch-cost=1" { target branch_cost } } */

_Bool f1(_Bool a, _Bool b)
{
  if (a)
   {
     if (b)
      return 1;
     else
      return 0;
   }
  return 0;
}


/* There should be only one if, the outer one; the inner one
   should have been changed to straight line code with the
   value of b (except that we don't fold ! (b != 0) into b
   which can be fixed in a different patch).
   Test this only when known to be !LOGICAL_OP_NON_SHORT_CIRCUIT,
   otherwise ifcombine may convert this into return a & b;.  */
/* { dg-final { scan-tree-dump-times "if" 1 "optimized" { target { i?86-*-* x86_64-*-* mips*-*-* s390*-*-* avr*-*-* } } } } */