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another assertion failed in RegisterScavenging #1651

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llvmbot opened this issue Mar 27, 2007 · 6 comments
Closed

another assertion failed in RegisterScavenging #1651

llvmbot opened this issue Mar 27, 2007 · 6 comments
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bugzilla Issues migrated from bugzilla compile-fail Use [accepts-invalid] and [rejects-valid] instead

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@llvmbot
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llvmbot commented Mar 27, 2007

Bugzilla Link 1279
Resolution FIXED
Resolved on Feb 22, 2010 12:52
Version unspecified
OS Linux
Attachments bugpoint-reduced-simplified.bc
Reporter LLVM Bugzilla Contributor

Extended Description

laurov@laurov-desktop:~/llvm/llvm/build$ llc bugpoint-reduced-simplified.bc
llc: /home/laurov/llvm/llvm/lib/CodeGen/RegisterScavenging.cpp:141: void
llvm::RegScavenger::forward(): Assertion `isUnused(Reg) || isReserved(Reg)' failed.
llc((anonymous namespace)::PrintStackTrace()+0x1a)[0x88d7886]
llc((anonymous namespace)::SignalHandler(int)+0x112)[0x88d7b4c]
[0xffffe420]
/lib/tls/i686/cmov/libc.so.6(abort+0x103)[0xb7d8cef3]
/lib/tls/i686/cmov/libc.so.6(__assert_fail+0xfb)[0xb7d84dbb]
llc(llvm::RegScavenger::forward()+0x3df)[0x8741249]
llc(llvm::RegScavenger::forward(llvm::ilist_iteratorllvm::MachineInstr)+0x13)[0x8455267]
llc[0x872b9ea]
llc[0x872d99e]
llc(llvm::MachineFunctionPass::runOnFunction(llvm::Function&)+0x28)[0x8405a8e]
llc(llvm::FPPassManager::runOnFunction(llvm::Function&)+0x13a)[0x88639a6]
llc(llvm::FunctionPassManagerImpl::run(llvm::Function&)+0x6e)[0x8863c2a]
llc(llvm::FunctionPassManager::run(llvm::Function&)+0x88)[0x8863cea]
llc(main+0xbe9)[0x83d6bdd]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7d778cc]
llc(__gxx_personality_v0+0x175)[0x83d4f11]
Aborted (core dumped)
@llvmbot
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llvmbot commented Mar 28, 2007

Fixed.
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070326/046321.html

@llvmbot
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llvmbot commented Mar 28, 2007

This assertion remains failing in other testcase.

laurov@edgy-laptop:~$ llc bugpoint-reduced-simplified2.bc
llc: /home/laurov/llvm/llvm/lib/CodeGen/RegisterScavenging.cpp:141: void
llvm::RegScavenger::forward(): Assertion `isUnused(Reg) || isReserved(Reg)' failed.
...

@llvmbot
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llvmbot commented Mar 28, 2007

bugpoint-reduced-simplified2.bc

@llvmbot
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llvmbot commented Mar 28, 2007

Yes. The second test didn't crash with an llvm a couple of days old, so it was broken recently.

@lattner
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lattner commented Mar 30, 2007

Evan/Dale,

Can one of you take a look at this, after you figure out the recent weirdness in the tree?

Thanks,

-Chris

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llvmbot commented Mar 30, 2007

Fixed.

http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070326/046517.html

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 3, 2021
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