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Instcombine hangs after 5207cde5cb4147155c469e1861427ea9d569bd5a #49222

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d0k opened this issue Apr 7, 2021 · 3 comments
Closed

Instcombine hangs after 5207cde5cb4147155c469e1861427ea9d569bd5a #49222

d0k opened this issue Apr 7, 2021 · 3 comments
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@d0k
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d0k commented Apr 7, 2021

Bugzilla Link 49878
Resolution FIXED
Resolved on Apr 07, 2021 09:37
Version trunk
OS All
Attachments reduced test case
CC @aqjune,@LebedevRI,@RKSimon,@nikic,@rotateright
Fixed by commit(s) 1894c6c

Extended Description

$ opt -instcombine t.ll -S

This worked before 5207cde
@rotateright
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There's another reduced test for what is likely the same problem at: https://reviews.llvm.org/D99674

@rotateright
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Proposal:
https://reviews.llvm.org/D100044

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https://reviews.llvm.org/rG1894c6c59e37

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 11, 2021
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@d0k @rotateright