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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - bogus cpu parameter crashes llc"
href="http://llvm.org/bugs/show_bug.cgi?id=20557">20557</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>bogus cpu parameter crashes llc
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>spatel+llvm@rotateright.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Using llc built from r214897 on MacOS X, x86-64:
$ cat crash.ll
define <4 x float> @fneg4(<4 x float> %x) #0 {
%sub = fsub <4 x float> zeroinitializer, %x
ret <4 x float> %sub
}
$ ./llc -march=aarch64 -mcpu=bogus crash.ll -o -
'bogus' is not a recognized processor for this target (ignoring processor)
'bogus' is not a recognized processor for this target (ignoring processor)
'bogus' is not a recognized processor for this target (ignoring processor)
'bogus' is not a recognized processor for this target (ignoring processor)
.section __TEXT,__text,regular,pure_instructions
.macosx_version_min 13, 3
Assertion failed: (NumElements > 0 && "#Elements of a VectorType must be
greater than 0"), function get, file /Users/llvm/lib/IR/Type.cpp, line 705.
0 llc 0x000000010cb49d9e
llvm::sys::PrintStackTrace(__sFILE*) + 46
1 llc 0x000000010cb4a0ab
PrintStackTraceSignalHandler(void*) + 27
2 llc 0x000000010cb4a43c SignalHandler(int) + 412
3 libsystem_platform.dylib 0x00007fff9176c5aa _sigtramp + 26
4 libsystem_platform.dylib 000000000000000000 _sigtramp + 1854487152
5 llc 0x000000010cb4a0db raise + 27
6 llc 0x000000010cb4a192 abort + 18
7 llc 0x000000010cb4a171 __assert_rtn + 129
8 llc 0x000000010c60f017
llvm::VectorType::get(llvm::Type*, unsigned int) + 119
9 llc 0x000000010c626cfa
llvm::EVT::getExtendedVectorVT(llvm::LLVMContext&, llvm::EVT, unsigned int) +
58
10 llc 0x000000010c98a5b1
llvm::EVT::getVectorVT(llvm::LLVMContext&, llvm::EVT, unsigned int) + 113
11 llc 0x000000010c9a4c75
llvm::TargetLoweringBase::getTypeConversion(llvm::LLVMContext&, llvm::EVT)
const + 565
12 llc 0x000000010c98a4d2
llvm::TargetLoweringBase::getTypeAction(llvm::LLVMContext&, llvm::EVT) const +
66
13 llc 0x000000010c8d836d
llvm::DAGTypeLegalizer::getTypeAction(llvm::EVT) const + 77
14 llc 0x000000010c8d1d66 llvm::DAGTypeLegalizer::run() +
822
15 llc 0x000000010c8d7b9c
llvm::SelectionDAG::LegalizeTypes() + 60
16 llc 0x000000010ca2691a
llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 3466
17 llc 0x000000010ca25b7d
llvm::SelectionDAGISel::SelectBasicBlock(llvm::ilist_iterator<llvm::Instruction
const>, llvm::ilist_iterator<llvm::Instruction const>, bool&) + 253
18 llc 0x000000010ca258d0
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) + 5296
19 llc 0x000000010ca231da
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) + 1258
20 llc 0x000000010b4c9038 (anonymous
namespace)::AArch64DAGToDAGISel::runOnMachineFunction(llvm::MachineFunction&) +
152
21 llc 0x000000010c1da46e
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 110
22 llc 0x000000010c5d99eb
llvm::FPPassManager::runOnFunction(llvm::Function&) + 427
23 llc 0x000000010c5d9cf8
llvm::FPPassManager::runOnModule(llvm::Module&) + 104
24 llc 0x000000010c5da704 (anonymous
namespace)::MPPassManager::runOnModule(llvm::Module&) + 1412
25 llc 0x000000010c5d9fae
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 302
26 llc 0x000000010c5dae81
llvm::legacy::PassManager::run(llvm::Module&) + 33
27 llc 0x000000010b441052 compileModule(char**,
llvm::LLVMContext&) + 7106
28 llc 0x000000010b43f422 main + 226
29 libdyld.dylib 0x00007fff909755fd start + 1
Stack dump:
0. Program arguments: ./llc -march=aarch64 -mcpu=bogus crash.ll -o -
1. Running pass 'Function Pass Manager' on module 'crash.ll'.
2. Running pass 'AArch64 Instruction Selection' on function '@fneg4'
Illegal instruction: 4</pre>
</div>
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