[llvm-dev] Miscompilation bugs in GVN.cpp and PromoteMemoryToRegister.cpp?

Friedman, Eli via llvm-dev llvm-dev at lists.llvm.org
Tue Apr 10 10:28:43 PDT 2018


On 4/9/2018 8:19 PM, Jeehoon Kang via llvm-dev wrote:
> Dear llvm-dev,
>
>
> Hi! We're collecting mis-compilation bugs in gvn and mem2reg since 
> 3.7.1.  Specifically, We're interested in bugs in the following files:
>
> llvm/lib/Transforms/Scalar/GVN.cpp
> llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp

3.7 was released over two years ago; there have been many bugfixes to 
both GVN and the analysis passes it depends on since then.  Do you have 
some idea of what, specifically, you're looking for?

mem2reg is a very simple pass; I would be surprised if you found 
miscompile bug in it.

-Eli

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project

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