On 5/21/07, Tehila Meyzels <[EMAIL PROTECTED]> wrote:
Hi,
I'd like to get an explanation why ifcvt.c checks whether 1 of the 2
successors of the IF-header block has a stmt that exits from the loop?
Why does it prevent the if-conversion?
I'm referring to the following code:
/* Nor exit the loop
Tehila Meyzels <[EMAIL PROTECTED]> writes:
> I'd like to get an explanation why ifcvt.c checks whether 1 of the 2
> successors of the IF-header block has a stmt that exits from the loop?
> Why does it prevent the if-conversion?
> I'm referring to the following code:
>
> /* Nor exit the loop. */
Hi,
I'd like to get an explanation why ifcvt.c checks whether 1 of the 2
successors of the IF-header block has a stmt that exits from the loop?
Why does it prevent the if-conversion?
I'm referring to the following code:
/* Nor exit the loop. */
if ((then_edge->flags & EDGE_LOOP_EXIT)
||