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SelectionDAG crashes on optnone function after r308025 #33180

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chandlerc opened this issue Jul 18, 2017 · 1 comment
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SelectionDAG crashes on optnone function after r308025 #33180

chandlerc opened this issue Jul 18, 2017 · 1 comment
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bugzilla Issues migrated from bugzilla duplicate Resolved as duplicate

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@chandlerc
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Bugzilla Link 33833
Resolution DUPLICATE
Resolved on Jul 18, 2017 10:43
Version unspecified
OS Linux
Attachments reduced IR test case

Extended Description

After r308025, SelectionDAG crashes while compiling the file:
https://github.com/xiph/speex/blob/master/libspeex/testenc.c

(Possibly some older version of it, I haven't checked...)

I'm attaching a minimized test case that pretty clearly shows the bug. It seems specific to O0 (optnone attribute is applied).

Because this is blocking even unoptimized builds I'm going to revert the patch while it gets investigated.
@llvmbot
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llvmbot commented Jul 18, 2017

*** This bug has been marked as a duplicate of bug #31862 ***

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 10, 2021
This issue was closed.
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