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[eh] branchfolding inf recursion with EH enabled #1600

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asl opened this issue Feb 26, 2007 · 7 comments
Closed

[eh] branchfolding inf recursion with EH enabled #1600

asl opened this issue Feb 26, 2007 · 7 comments
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@lattner
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bugzilla Issues migrated from bugzilla compile-fail Use [accepts-invalid] and [rejects-valid] instead llvm:codegen

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@asl
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asl commented Feb 26, 2007

Bugzilla Link 1228
Resolution FIXED
Resolved on Feb 22, 2010 12:52
Version trunk
OS All
Blocks #964
Attachments Failed bytecode

Extended Description

Attached bytecode (probably) cycles and consumes all available memory.

Reproduce with:

ulimit -v 512000
llc -enable-eh locale.bc
@asl
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asl commented Feb 26, 2007

assigned to @lattner

@asl
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asl commented Feb 26, 2007

Err, not bytecode, but llc cycles :)

@llvmbot
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llvmbot commented Feb 26, 2007

BranchFolding::OptimizeBlock recursing infinitely. Likely problem handling landing pad. This code is
currently evolving.

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llvmbot commented Apr 30, 2007

another testcase, from the Ada runtime

@asl
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asl commented Apr 30, 2007

Updated testcase
Bytecode is not valid anymore due to format change. Attaching source.

@lattner
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lattner commented May 1, 2007

Fixed, patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070430/048754.html

Testcase here:
CodeGen/Generic/2007-04-30-LandingPadBranchFolding.ll

-Chris

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llvmbot commented Nov 27, 2021

mentioned in issue #964

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 3, 2021
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bugzilla Issues migrated from bugzilla compile-fail Use [accepts-invalid] and [rejects-valid] instead llvm:codegen
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