<div dir="ltr">Test case added in r<span style="color:rgb(0,0,0);white-space:pre-wrap">180907.</span><div><span style="color:rgb(0,0,0);white-space:pre-wrap"><br></span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">-- </span></div>
<div style><span style="color:rgb(0,0,0);white-space:pre-wrap">David Majnemer</span></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Apr 30, 2013 at 4:32 AM, Eric Christopher <span dir="ltr"><<a href="mailto:echristo@gmail.com" target="_blank">echristo@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Testcase?<br>
<span class="HOEnZb"><font color="#888888"><br>
-eric<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
On Tue, Apr 30, 2013 at 11:36 AM, David Majnemer<br>
<<a href="mailto:david.majnemer@gmail.com">david.majnemer@gmail.com</a>> wrote:<br>
> Author: majnemer<br>
> Date: Tue Apr 30 05:36:33 2013<br>
> New Revision: 180779<br>
><br>
> URL: <a href="http://llvm.org/viewvc/llvm-project?rev=180779&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=180779&view=rev</a><br>
> Log:<br>
> Fix a bug in foldSelectICmpAndOr.<br>
><br>
> Differences in bitwidth between X and Y could exist even if C1 and C2 have<br>
> the same Log2 representation.<br>
><br>
> Modified:<br>
>     llvm/trunk/lib/Transforms/InstCombine/InstCombineSelect.cpp<br>
><br>
> Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineSelect.cpp<br>
> URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineSelect.cpp?rev=180779&r1=180778&r2=180779&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineSelect.cpp?rev=180779&r1=180778&r2=180779&view=diff</a><br>

> ==============================================================================<br>
> --- llvm/trunk/lib/Transforms/InstCombine/InstCombineSelect.cpp (original)<br>
> +++ llvm/trunk/lib/Transforms/InstCombine/InstCombineSelect.cpp Tue Apr 30 05:36:33 2013<br>
> @@ -401,7 +401,8 @@ static Value *foldSelectICmpAndOr(const<br>
>    } else if (C1Log > C2Log) {<br>
>      V = Builder->CreateLShr(V, C1Log - C2Log);<br>
>      V = Builder->CreateZExtOrTrunc(V, Y->getType());<br>
> -  }<br>
> +  } else<br>
> +    V = Builder->CreateZExtOrTrunc(V, Y->getType());<br>
><br>
>    ICmpInst::Predicate Pred = IC->getPredicate();<br>
>    if ((Pred == ICmpInst::ICMP_NE && OrOnFalseVal) ||<br>
><br>
><br>
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</div></div></blockquote></div><br></div>