[PATCH] PR tree-optimization/103254 - Limit depth for all GORI expressions.

Aldy Hernandez aldyh@redhat.com
Fri Nov 19 10:15:47 GMT 2021



On 11/18/21 8:28 PM, Andrew MacLeod wrote:

> @@ -376,6 +366,14 @@ range_def_chain::get_def_chain (tree name)
>        return NULL;
>      }
>  
> +  // Terminate the def chains if we see too many cascading stmts.
> +  if (m_logical_depth == param_ranger_logical_depth)
> +    return NULL;
> +
> +  // Increase the depth if we have a pair of ssa-names.
> +  if (ssa1 && ssa2)
> +    m_logical_depth++;
> +

Not sure it matters, since this is an internal knob, but if the --param 
now applies to all statements, perhaps we should remove the "logical" 
reference from the knob.

Aldy



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