LICM crash, "Uses remain when a value is destroyed" #1280
Labels
bugzilla
Issues migrated from bugzilla
compile-fail
Use [accepts-invalid] and [rejects-valid] instead
loopoptim
Extended Description
MultiSource/Applications/oggenc picked up a failure in the nightly run. It
appears to be in the loop invariant code motion pass. Here's what happens:
$ ~/llvm/Debug/bin/opt -licm bugpoint-reduced-simplified.bc
WARNING: You're attempting to print out a bytecode file.
This is inadvisable as it may cause display problems. If
you REALLY want to taste LLVM bytecode first-hand, you
can force output with the `-f' option.
While deleting: uint %tmp16.i
Use still stuck around after Def is destroyed: %exitcond155 = seteq uint 0,
%tmp16.i ; [#uses=0]
opt: Value.cpp:59: virtual llvm::Value::~Value(): Assertion `use_begin() ==
use_end() && "Uses remain when a value is destroyed!"' failed.
/home/nicholas/llvm/Debug/bin/opt((anonymous
namespace)::PrintStackTrace()+0x1a)[0x873245c]
/home/nicholas/llvm/Debug/bin/opt((anonymous
namespace)::SignalHandler(int)+0x110)[0x8732720]
[0xffffe500]
Aborted
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