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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - "LLVM triggered Diagnostic Handler: unsupported call to function ldexpf in main" when starting race in stuntrally"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92709#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - "LLVM triggered Diagnostic Handler: unsupported call to function ldexpf in main" when starting race in stuntrally"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92709">bug 92709</a>
from <span class="vcard"><a class="email" href="mailto:arsenm2@gmail.com" title="Matt Arsenault <arsenm2@gmail.com>"> <span class="fn">Matt Arsenault</span></a>
</span></b>
<pre>(In reply to Michel Dänzer from <a href="show_bug.cgi?id=92709#c6">comment #6</a>)
<span class="quote">> (In reply to Matt Arsenault from <a href="show_bug.cgi?id=92709#c5">comment #5</a>)
> > It seems bizarre that an llvm intrinsic would ever be changed to something
> > involving a library call.
>
> I think the exp2 -> ldexpf transform is rather questionable for us anyway,
> since we have a native exp2 instruction, isn't it? Maybe we just don't want
> to use the LibCallSimplifier pass? The comment at the top of
> SimplifyLibCalls.cpp kind of sounds like "this is not the pass you're
> looking for"...</span >
We do want this. ldexp is a full rate instruction, and exp2 is a quarter rate
instruction.</pre>
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