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Re: Question on cfg_remove_useless_stmts_bb

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: law at redhat dot com
Cc: gcc at gcc dot gnu dot org
Date: Wed, 18 Aug 04 07:42:00 EDT
Subject: Re: Question on cfg_remove_useless_stmts_bb

    the fact that it wasn't obvious to you is a good indication that I
    should have had more comments in that code.

Actually, there's still some confusion there.  Now that you've pointed it
out, from the way I read that code, VAL is always either a PARM_DECL or
a VAR_DECL.  So why test !TREE_CONSTANT (val)?

And why exclude a constant anyway

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