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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [LICM] Assertion failed: (isa<X>(Val) && "cast<Ty>() argument of incompatible type!")"
href="https://bugs.llvm.org/show_bug.cgi?id=35342">35342</a>
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<th>Summary</th>
<td>[LICM] Assertion failed: (isa<X>(Val) && "cast<Ty>() argument of incompatible type!")
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Loop Optimizer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>igor@azulsystems.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>After rL317335 we started to observe following failure on one of our internal
tests:
Assertion failed: (isa<X>(Val) && "cast<Ty>() argument of incompatible type!"),
function cast, file
/Users/igor/Projects/llvm-svn/include/llvm/Support/Casting.h, line 255.
0 opt 0x000000010fe83068
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1 opt 0x000000010fe83756 SignalHandler(int) + 486
2 libsystem_platform.dylib 0x00007fffe9369b3a _sigtramp + 26
3 libsystem_platform.dylib 0x0000000000000020 _sigtramp + 382297344
4 libsystem_c.dylib 0x00007fffe91ee420 abort + 129
5 libsystem_c.dylib 0x00007fffe91b5893 basename_r + 0
6 opt 0x000000010fc72fd3
llvm::sinkRegion(llvm::DomTreeNodeBase<llvm::BasicBlock>*, llvm::AAResults*,
llvm::LoopInfo*, llvm::DominatorTree*, llvm::TargetLibraryInfo*, llvm::Loop*,
llvm::AliasSetTracker*, llvm::LoopSafetyInfo*,
llvm::OptimizationRemarkEmitter*) + 8899
7 opt 0x000000010fc70124 (anonymous
namespace)::LoopInvariantCodeMotion::runOnLoop(llvm::Loop*, llvm::AAResults*,
llvm::LoopInfo*, llvm::DominatorTree*, llvm::TargetLibraryInfo*,
llvm::ScalarEvolution*, llvm::OptimizationRemarkEmitter*, bool) + 1268
8 opt 0x000000010fc7657c (anonymous
namespace)::LegacyLICMPass::runOnLoop(llvm::Loop*, llvm::LPPassManager&) + 1148
9 opt 0x000000010f37dcaf
llvm::LPPassManager::runOnFunction(llvm::Function&) + 1263
10 opt 0x000000010f8fae3d
llvm::FPPassManager::runOnFunction(llvm::Function&) + 541
11 opt 0x000000010f8fb123
llvm::FPPassManager::runOnModule(llvm::Module&) + 67
12 opt 0x000000010f8fb66b
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 955
13 opt 0x000000010e5fbedd main + 11725
14 libdyld.dylib 0x00007fffe915a235 start + 1
Stack dump:
0. Program arguments: ../llvm-svn/buildRA/bin/opt -licm test.ll
1. Running pass 'Function Pass Manager' on module 'test.ll'.
2. Running pass 'Loop Pass Manager' on function '@test'
3. Running pass 'Loop Invariant Code Motion' on basic block '%not_zero'
[1] 15799 abort ../llvm-svn/buildRA/bin/opt -licm test.
Reduced test case is attached.</pre>
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