Mercurial > projects > ldc
view dmd/hdrgen.h @ 1491:360a8e8eea51
Teach stack promotion to walk the CFG when a potential reuse of an allocation
is found to see if it can actually happen instead of just assuming it will.
This allows it to catch cases like
{{{
int i;
Foo f;
while (cond(i))
f = new Foo(i++);
return f.value;
}}}
where it previously wouldn't because a phi using the allocation would appear in
the condition block to propagate it to the use after the loop.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Thu, 11 Jun 2009 02:04:44 +0200 |
parents | c53b6e3fe49a |
children |
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// Compiler implementation of the D programming language // Copyright (c) 1999-2006 by Digital Mars // All Rights Reserved // initial header generation implementation by Dave Fladebo // http://www.digitalmars.com // License for redistribution is by either the Artistic License // in artistic.txt, or the GNU General Public License in gnu.txt. // See the included readme.txt for details. struct HdrGenState { int hdrgen; // 1 if generating header file int ddoc; // 1 if generating Ddoc file int console; // 1 if writing to console int tpltMember; int inCallExp; int inPtrExp; int inSlcExp; int inDotExp; int inBinExp; int inArrExp; int emitInst; struct { int init; int decl; } FLinit; HdrGenState() { memset(this, 0, sizeof(HdrGenState)); } };