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Re: [patch] Allow merging blocks with phi nodes

From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
To: Andrew MacLeod <amacleod at redhat dot com>
Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Mon, 16 May 2005 22:16:13 +0200
Subject: Re: [patch] Allow merging blocks with phi nodes
References: <20050516191822.GB16082@atrey.karlin.mff.cuni.cz> <1116273431.2514.257.camel@pain>

Hello,

> > New version of fold_stmt (fold_stmt_inplace) is necessary, since
> > fold_stmt may replace the whole statement, but we cannot get the pointer
> > to statement from immediate uses, only the statement itself.
> 
> Isn't that what bsi_for_stmt () is for?

bsi_for_stmt is slow at the moment (and fold_stmt does not do much more
than fold_stmt_inplace does, anyway).

Zdenek

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References:
- [patch] Allow merging blocks with phi nodes
  - From: Zdenek Dvorak
- Re: [patch] Allow merging blocks with phi nodes
  - From: Andrew MacLeod

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