[Mono-dev] [PATCH] A "fastpath" dead code elimination
massi at ximian.com
Thu Nov 17 07:43:55 EST 2005
On Thu, 2005-11-17 at 13:23 +0100, Zoltan Varga wrote:
> The general JIT changes in the patch look harmless to me. There is a problem
> tough: the patch makes tests/marhal2.exe crash when run with -O=all.
That looks more SSAPRE than the patch (or, better, it happens if
you specify -O=ssapre and disappears otherwise).
SSAPRE and fastdce *cannot* happen togather (if SSAPRE is in, then
SSA is built, and in the patch the JIT falls back to SSA deadce).
Anyway, I still have to fully debug this, but this doesn't seem to
involve fastdce here.
I'll investigate more...
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