gcc/gcc/testsuite/gcc.dg/predict-13.c

25 lines
546 B
C

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-profile_estimate" } */
int main(int argc, char **argv)
{
switch (argc)
{
case 1:
return 1;
case 2:
return 2;
case 3:
__builtin_unreachable();
case 4:
__builtin_unreachable();
default:
return 5;
}
return 10;
}
/* { dg-final { scan-tree-dump-times "combined heuristics of edge\[^:\]*: 33.3%" 3 "profile_estimate"} } */
/* { dg-final { scan-tree-dump-times "combined heuristics of edge\[^:\]*: 0.0%" 2 "profile_estimate"} } */