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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - opt -separate-const-offset-from-gep fails with Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=45371">45371</a>
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</tr>
<tr>
<th>Summary</th>
<td>opt -separate-const-offset-from-gep fails with Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
</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>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Scalar Optimizations
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mikael.holmen@ericsson.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=23296" name="attach_23296" title="bbi-40415_aarch64.ll reproducer">attachment 23296</a> <a href="attachment.cgi?id=23296&action=edit" title="bbi-40415_aarch64.ll reproducer">[details]</a></span>
bbi-40415_aarch64.ll reproducer
Reproduce with:
opt -mtriple aarch64-unknown-linux-gnu -separate-const-offset-from-gep -S -o -
bbi-40415_aarch64.ll
Result:
opt: ../include/llvm/Support/Casting.h:263: typename cast_retty<X, Y
*>::ret_type llvm::cast(Y *) [X = llvm::BinaryOperator, Y = llvm::User]:
Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
0. Program arguments: ../../master/llvm/build-all-builtins/bin/opt
-mtriple aarch64-unknown-linux-gnu -separate-const-offset-from-gep -S -o -
bbi-40415_aarch64.ll
1. Running pass 'Function Pass Manager' on module 'bbi-40415_aarch64.ll'.
2. Running pass 'Split GEPs to a variadic base and a constant offset for
better CSE' on function '@g'
#0 0x000000000429aa64 PrintStackTraceSignalHandler(void*)
(../../master/llvm/build-all-builtins/bin/opt+0x429aa64)
#1 0x000000000429862e llvm::sys::RunSignalHandlers()
(../../master/llvm/build-all-builtins/bin/opt+0x429862e)
#2 0x000000000429ae6c SignalHandler(int)
(../../master/llvm/build-all-builtins/bin/opt+0x429ae6c)
#3 0x00007f06058ce890 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
#4 0x00007f0604377e97 raise
/build/glibc-OTsEL5/glibc-2.27/signal/../sysdeps/unix/sysv/linux/raise.c:51:0
#5 0x00007f0604379801 abort /build/glibc-OTsEL5/glibc-2.27/stdlib/abort.c:81:0
#6 0x00007f060436939a __assert_fail_base
/build/glibc-OTsEL5/glibc-2.27/assert/assert.c:89:0
#7 0x00007f0604369412 (/lib/x86_64-linux-gnu/libc.so.6+0x30412)
#8 0x000000000418c322 (anonymous
namespace)::ConstantOffsetExtractor::distributeExtsAndCloneChain(unsigned int)
(../../master/llvm/build-all-builtins/bin/opt+0x418c322)
#9 0x000000000418c1dc (anonymous
namespace)::ConstantOffsetExtractor::distributeExtsAndCloneChain(unsigned int)
(../../master/llvm/build-all-builtins/bin/opt+0x418c1dc)
#10 0x0000000004189ae8 (anonymous
namespace)::SeparateConstOffsetFromGEP::splitGEP(llvm::GetElementPtrInst*)
(../../master/llvm/build-all-builtins/bin/opt+0x4189ae8)
#11 0x0000000004188638 (anonymous
namespace)::SeparateConstOffsetFromGEP::runOnFunction(llvm::Function&)
(../../master/llvm/build-all-builtins/bin/opt+0x4188638)
#12 0x0000000003af5374 llvm::FPPassManager::runOnFunction(llvm::Function&)
(../../master/llvm/build-all-builtins/bin/opt+0x3af5374)
#13 0x0000000003af5628 llvm::FPPassManager::runOnModule(llvm::Module&)
(../../master/llvm/build-all-builtins/bin/opt+0x3af5628)
#14 0x0000000003af5c7d llvm::legacy::PassManagerImpl::run(llvm::Module&)
(../../master/llvm/build-all-builtins/bin/opt+0x3af5c7d)
#15 0x0000000002370d9f main
(../../master/llvm/build-all-builtins/bin/opt+0x2370d9f)
#16 0x00007f060435ab97 __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:344:0
#17 0x000000000235b02a _start
(../../master/llvm/build-all-builtins/bin/opt+0x235b02a)
Abort (core dumped)</pre>
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