Re: Minor SSA cleanups

[Richard Henderson <rth at redhat dot com>]

On Fri, Jun 22, 2001 at 05:51:43AM -0400, Daniel Berlin wrote:
> By keeping the block number there, you *force* SSA-GVN to keep track of
> where each register is def'd.  Without it, I could do a simple replacement
> of register with register.

Um, no, the block number (or, eventually, pointer) in the PHI
node is not the block in which the register is defined.  It
is the incoming _edge_ from whence the definition came.


r~