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infinite loop in instcombine #1589

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nlewycky opened this issue Feb 22, 2007 · 2 comments
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infinite loop in instcombine #1589

nlewycky opened this issue Feb 22, 2007 · 2 comments
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bugzilla Issues migrated from bugzilla compile-fail Use [accepts-invalid] and [rejects-valid] instead

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@nlewycky
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Bugzilla Link 1217
Resolution FIXED
Resolved on Feb 22, 2010 12:45
Version trunk
OS All
Attachments [llvm-as < pr1217.ll

Extended Description

This file causes instcombine to take a very long time. The stacktrace shows
FoldOpIntoPhi and visitAdd.
@nlewycky
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assigned to @lattner

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lattner commented Feb 24, 2007

Fixed, testcase here: InstCombine/2007-02-23-PhiFoldInfLoop.ll

Patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070219/044967.html

-Chris

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 3, 2021
clementval pushed a commit to clementval/llvm-project that referenced this issue Apr 20, 2022
@schweitzpgi
Lowering in a FORALL context must use arrays loaded for the explicit …
3b90daf 
…space. (llvm#1589)

Fix compiler warning.
troelsbjerre pushed a commit to troelsbjerre/llvm-project that referenced this issue Jan 10, 2024
@ahatanaka
Merge pull request llvm#1589 from apple/PR-66029552
9057aa7 
[CodeGen][ObjC] Mark calls to objc_unsafeClaimAutoreleasedReturnValue as notail on x86-64
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