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<head>
<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 --- - ARM codegen ice - expected larger existing stack allocation"
href="http://llvm.org/bugs/show_bug.cgi?id=15293">15293</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ARM codegen ice - expected larger existing stack allocation
</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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Backend: ARM
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>arathorn@fastwebnet.it
</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>Can be reproduced using llc on the following:
; ModuleID = 'bugpoint-reduced-simplified.bc'
target datalayout =
"e-p:32:32:32-S64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:64:128-a0:0:64-n32"
target triple = "arm--linux-gnueabihf"
%"armbug.Rebindable!(TimeZone).Rebindable" = type <{ i8 }>
%armbug.SysTime = type <{ %"armbug.Rebindable!(TimeZone).Rebindable" }>
%armbug.TimeZone = type { i8* }
declare fastcc void
@opAssign(%"armbug.Rebindable!(TimeZone).Rebindable"*,
%"armbug.Rebindable!(TimeZone).Rebindable"* byval)
define fastcc %armbug.SysTime* @doOpAssign(%armbug.SysTime*
%.this_arg, %armbug.SysTime* byval %p_arg) {
entry:
br i1 undef, label %noassert, label %assert
assert: ; preds = %entry
unreachable
noassert: ; preds = %entry
call fastcc void
@opAssign(%"armbug.Rebindable!(TimeZone).Rebindable"* undef,
%"armbug.Rebindable!(TimeZone).Rebindable"* byval undef)
ret %armbug.SysTime* %.this_arg
}
and results in:
Assertion failed: (size >= excess && "expected larger existing stack
allocation"), function HandleByVal, file ARMISelLowering.cpp, line 1681.
0 llc 0x0000000109bb42bd char const* std::__find<char const*,
char>(char const*, char const*, char const&, std::random_access_iterator_tag) +
1233
1 llc 0x0000000109bb4650 char const* std::__find<char const*,
char>(char const*, char const*, char const&, std::random_access_iterator_tag) +
2148
2 libsystem_c.dylib 0x00007fff8a0b58ea _sigtramp + 26
3 llc 0x0000000109ba7698 void*
llvm::object_creator<std::vector<char const*, std::allocator<char const*> > >()
+ 29018
4 llc 0x0000000109bb44c8 char const* std::__find<char const*,
char>(char const*, char const*, char const&, std::random_access_iterator_tag) +
1756
5 llc 0x0000000109bb44b2 char const* std::__find<char const*,
char>(char const*, char const*, char const&, std::random_access_iterator_tag) +
1734
6 llc 0x000000010962a492 std::vector<llvm::SDValue,
std::allocator<llvm::SDValue>
<span class="quote">>::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::SDValue*,</span >
std::vector<llvm::SDValue, std::allocator<llvm::SDValue> > >, llvm::SDValue
const&) + 26142
7 llc 0x00000001098cc287 llvm::Pass*
llvm::callDefaultCtor<llvm::CalculateSpillWeights>() + 349
8 llc 0x00000001096268aa std::vector<llvm::SDValue,
std::allocator<llvm::SDValue>
<span class="quote">>::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::SDValue*,</span >
std::vector<llvm::SDValue, std::allocator<llvm::SDValue> > >, llvm::SDValue
const&) + 10806
9 llc 0x00000001098cc698 llvm::Pass*
llvm::callDefaultCtor<llvm::CalculateSpillWeights>() + 1390
10 llc 0x0000000109627a77 std::vector<llvm::SDValue,
std::allocator<llvm::SDValue>
<span class="quote">>::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::SDValue*,</span >
std::vector<llvm::SDValue, std::allocator<llvm::SDValue> > >, llvm::SDValue
const&) + 15363
11 llc 0x000000010984dfc4 std::_Rb_tree<llvm::SDNode const*,
std::pair<llvm::SDNode const* const, std::string>,
std::_Select1st<std::pair<llvm::SDNode const* const, std::string> >,
std::less<llvm::SDNode const*>, std::allocator<std::pair<llvm::SDNode const*
const, std::string> > >::_M_erase(std::_Rb_tree_node<std::pair<llvm::SDNode
const* const, std::string> >*) + 129430
12 llc 0x000000010983f16c std::_Rb_tree<llvm::SDNode const*,
std::pair<llvm::SDNode const* const, std::string>,
std::_Select1st<std::pair<llvm::SDNode const* const, std::string> >,
std::less<llvm::SDNode const*>, std::allocator<std::pair<llvm::SDNode const*
const, std::string> > >::_M_erase(std::_Rb_tree_node<std::pair<llvm::SDNode
const* const, std::string> >*) + 68414
13 llc 0x0000000109833d09 std::_Rb_tree<llvm::SDNode const*,
std::pair<llvm::SDNode const* const, std::string>,
std::_Select1st<std::pair<llvm::SDNode const* const, std::string> >,
std::less<llvm::SDNode const*>, std::allocator<std::pair<llvm::SDNode const*
const, std::string> > >::_M_erase(std::_Rb_tree_node<std::pair<llvm::SDNode
const* const, std::string> >*) + 22235
14 llc 0x000000010982f598 std::_Rb_tree<llvm::SDNode const*,
std::pair<llvm::SDNode const* const, std::string>,
std::_Select1st<std::pair<llvm::SDNode const* const, std::string> >,
std::less<llvm::SDNode const*>, std::allocator<std::pair<llvm::SDNode const*
const, std::string> > >::_M_erase(std::_Rb_tree_node<std::pair<llvm::SDNode
const* const, std::string> >*) + 3946
15 llc 0x000000010982ed1f std::_Rb_tree<llvm::SDNode const*,
std::pair<llvm::SDNode const* const, std::string>,
std::_Select1st<std::pair<llvm::SDNode const* const, std::string> >,
std::less<llvm::SDNode const*>, std::allocator<std::pair<llvm::SDNode const*
const, std::string> > >::_M_erase(std::_Rb_tree_node<std::pair<llvm::SDNode
const* const, std::string> >*) + 1777
16 llc 0x000000010985f2fd std::vector<llvm::GCRoot,
std::allocator<llvm::GCRoot>
<span class="quote">>::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::GCRoot*,</span >
std::vector<llvm::GCRoot, std::allocator<llvm::GCRoot> > >, llvm::GCRoot
const&) + 22415
17 llc 0x000000010985f0b6 std::vector<llvm::GCRoot,
std::allocator<llvm::GCRoot>
<span class="quote">>::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::GCRoot*,</span >
std::vector<llvm::GCRoot, std::allocator<llvm::GCRoot> > >, llvm::GCRoot
const&) + 21832
18 llc 0x000000010985db9e std::vector<llvm::GCRoot,
std::allocator<llvm::GCRoot>
<span class="quote">>::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::GCRoot*,</span >
std::vector<llvm::GCRoot, std::allocator<llvm::GCRoot> > >, llvm::GCRoot
const&) + 16432
19 llc 0x0000000109923be2 std::vector<llvm::MachineBasicBlock*,
std::allocator<llvm::MachineBasicBlock*>
<span class="quote">>::_M_fill_insert(__gnu_cxx::__normal_iterator<llvm::MachineBasicBlock**,</span >
std::vector<llvm::MachineBasicBlock*, std::allocator<llvm::MachineBasicBlock*>
<span class="quote">> >, unsigned long, llvm::MachineBasicBlock* const&) + 1416</span >
20 llc 0x0000000109b43ee0
llvm::SymbolTableListTraits<llvm::GlobalAlias,
llvm::Module>::toPtr(llvm::ValueSymbolTable*) + 17988
21 llc 0x0000000109b44084
llvm::SymbolTableListTraits<llvm::GlobalAlias,
llvm::Module>::toPtr(llvm::ValueSymbolTable*) + 18408
22 llc 0x0000000109b441bb
llvm::SymbolTableListTraits<llvm::GlobalAlias,
llvm::Module>::toPtr(llvm::ValueSymbolTable*) + 18719
23 llc 0x0000000109b4451e
llvm::SymbolTableListTraits<llvm::GlobalAlias,
llvm::Module>::toPtr(llvm::ValueSymbolTable*) + 19586
24 llc 0x0000000109b44637
llvm::SymbolTableListTraits<llvm::GlobalAlias,
llvm::Module>::toPtr(llvm::ValueSymbolTable*) + 19867
25 llc 0x000000010949e552
26 libdyld.dylib 0x00007fff954fc7e1 start + 0
27 libdyld.dylib 0x0000000000000002 start + 18446603338011129889
Stack dump:
0. Program arguments: llc ice.bc
1. Running pass 'Function Pass Manager' on module 'ice.bc'.
2. Running pass 'ARM Instruction Selection' on function '@doOpAssign'
Illegal instruction: 4</pre>
</div>
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