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<P>Hi Rafael,</P>
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<P>Can you please provide me the attachment test-func.ll and test-bad.ll. I guess you missed attaching them. </P>
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<P>I will try to see where things are going wrong.</P>
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<P>Regards,</P>
<P>Suyog Sarda</P>
<P> </P>
<P>------- <B>Original Message</B> -------</P>
<P><B>Sender</B> : Rafael Espíndola<rafael.espindola@gmail.com></P>
<P><B>Date</B> : May 29, 2014 23:41 (GMT+09:00)</P>
<P><B>Title</B> : Re: [llvm] r209746 - InstCombine: Improvement to check if signed addition overflows.</P>
<P> </P>OK, I reduced this to llvm::SelectionDAGISel::MorphNode being miscompiled.<BR><BR>Suyog Sarda, attached you will find test-func.ll which is the input<BR>and test-bad.ll with is the output produce by "opt -instcombine" with<BR>your patch included. Without your patch, instcombine produces no<BR>changes.<BR><BR>I will re-revert the patch for now, can you check why the produced<BR>changes are invalid and update your patch?<BR><BR>Thanks,<BR>Rafael<BR>
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<P> </P><!--SP:suyog.sarda--><!--suyog.sarda:EP-->
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