On 06/07/13 02:30, Steven Bosscher wrote:
On Fri, Jun 7, 2013 at 8:07 AM, Jeff Law wrote:
Rather than using strict pointer equality, we can do better by looking at
TYPE_CANONICAL when it's available. Thus objects of the following two types
(T1 & T2) become candidates for coalescing if they are tied together by a
copy or PHI node.
typedef int t1;
typedef int t2;
This typically eliminates necessary copies and constant initializations,
which is good.
Hmm... Can't you use types_compatible_p?
No. That was my first inclination.
jeff
