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<div>We are using LLVM from CVS and encountered a bug in gccas. We
used bugpoint to help pinpoint the error.</div>
<div><br></div>
<div>command to repeat error:</div>
<div><br></div>
<blockquote>opt bugpoint-passinput.bc -simplify-libcalls</blockquote>
<div><br></div>
<div>the offending file is attached.</div>
<div><br></div>
<div>Unfortunately, bugpoint fell over while trying to reduce the test
case. It emitted the error message:</div>
<div><br></div>
<blockquote>Checking instruction '': Success!</blockquote>
<blockquote>PHINode should have one entry for each predecessor of its
parent basic block!</blockquote>
<blockquote> %i.3 = phi int
[ %inc.11, %endif.5 ], [ 0, %endif.0 ], [ 0, %endif.0 ], [ 0, %endif.0
], [ 0, %endif.0 ], [ 0, %endif.0
] <span
></span> ; <int> [#uses=3]</blockquote>
<blockquote>Broken module found, compilation aborted!</blockquote>
<blockquote>Checking instruction 'tmp.208': bugpoint((anonymous
namespace)::PrintStackTrace()+0x1a)[0x873fada]</blockquote>
<blockquote>bugpoint((anonymous
namespace)::SignalHandler(int)+0xcb)[0x873fd4d]</blockquote>
<blockquote>[0xffffe420]</blockquote>
<blockquote>/lib/libc.so.6(abort+0x16d)[0xb7dd236d]</blockquote>
<blockquote>bugpoint((anonymous
namespace)::Verifier::abortIfBroken()+0xd5)[0x86fe6d3]</blockquote>
<blockquote>bugpoint((anonymous
namespace)::Verifier::runOnFunction(llvm::Function&)+0x57)[0x86fd<span
></span>d6f]</blockquote>
<blockquote
>bugpoint(llvm::PassManagerTraits<llvm::Function>::runPass(llvm<span
></span>::FunctionPass*,
llvm::Function*)+0x1f)[0x86e1905]</blockquote>
<blockquote
>bugpoint(llvm::PassManagerT<llvm::Function>::runOnUnit(llvm::F<span
></span>unction*)+0x5c3)[0x86d7657]</blockquote>
<blockquote
>bugpoint(llvm::PassManagerTraits<llvm::Function>::runOnFunctio<span
></span>n(llvm::Function&)+0x1f)[0x86d820d]</blockquote>
<blockquote
>bugpoint(llvm::FunctionPass::runOnModule(llvm::Module&)+0xa7)[0x<span
></span>868c7d7]</blockquote>
<blockquote
>bugpoint(llvm::PassManagerTraits<llvm::Module>::runPass(llvm::<span
></span>ModulePass*, llvm::Module*)+0x1f)[0x86e199b]</blockquote>
<blockquote
>bugpoint(llvm::PassManagerT<llvm::Module>::runOnUnit(llvm::Mod<span
></span>ule*)+0x5c3)[0x86d57e3]</blockquote>
<blockquote
>bugpoint(llvm::PassManagerTraits<llvm::Module>::runOnModule(ll<span
></span>vm::Module&)+0x1f)[0x86d6e77]</blockquote>
<blockquote
>bugpoint(llvm::PassManager::run(llvm::Module&)+0x23)[0x868bbe1<span
></span>]</blockquote>
<blockquote
>bugpoint(llvm::BugDriver::deleteInstructionFromProgram(llvm::Instruc<span
></span>tion const*, unsigned int)
const+0x366)[0x840696a]</blockquote>
<blockquote>bugpoint[0x83f6209]</blockquote>
<blockquote
>bugpoint(llvm::BugDriver::debugOptimizerCrash()+0x1cf)[0x83f6669]</blockquote
>
<blockquote>bugpoint(llvm::BugDriver::run()+0x5d)[0x83f3207]</blockquote
>
<blockquote>bugpoint(main+0xc7)[0x84149cf]</blockquote>
<blockquote>/lib/libc.so.6(__libc_start_main+0xb8)[0xb7dbd488]</blockquote
>
<blockquote>bugpoint[0x83f29c1]</blockquote>
<blockquote>Abort</blockquote>
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