[llvm-commits] [llvm] r91489 - in /llvm/trunk: lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86Instr64bit.td lib/Target/X86/X86InstrInfo.td test/CodeGen/X86/setcc.ll

[Evan Cheng]

I'll take a look at this today.

Evan

On Dec 16, 2009, at 3:07 AM, Török Edwin wrote:

>> 
>> Hi Evan,
>> 
>> I noticed an infloop convertin and->zero_extend->and, could this patch
>> be the cause?
>> http://llvm.org/bugs/show_bug.cgi?id=5802
>> 
> 
> git bisect tells me that SVN r91380 introduces the infloops:
> 
> 5b6187226b44f590ce7f614b128480b9c2d823ef is the first bad commit
> commit 5b6187226b44f590ce7f614b128480b9c2d823ef
> Author: Evan Cheng <evan.cheng at apple.com>
> Date:   Tue Dec 15 00:52:11 2009 +0000
> 
>    Fold (zext (and x, cst)) -> (and (zext x), cst).
> 
> 
>    git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91380
> 91177308-0d34-0410-b5e6-96231b3b80d8
> 
> Best regards,
> --Edwin

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