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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [powerpc-darwin] Impossible reg-to-reg copy crashing tests"
href="http://llvm.org/bugs/show_bug.cgi?id=19028">19028</a>
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<tr>
<th>Summary</th>
<td>[powerpc-darwin] Impossible reg-to-reg copy crashing tests
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Macintosh
</td>
</tr>
<tr>
<th>OS</th>
<td>MacOS X
</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: PowerPC
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>fang@csl.cornell.edu
</td>
</tr>
<tr>
<th>CC</th>
<td>hfinkel@anl.gov, iains-llvm@btconnect.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>On powerpc-darwin8, I'm seeing new regressions between r202302 and r202541:
FAIL: LLVM :: CodeGen/Generic/bool-to-double.ll (1410 of 8907)
******************** TEST 'LLVM :: CodeGen/Generic/bool-to-double.ll' FAILED
***
*****************
Script:
--
gtimeout 1m /Users/fang/local/src/LLVM-svn/gcc40-cmake-build/./bin/llc <
/Volumes/Isolde/sources/LLVM-svn/llvm.git/test/CodeGen/Generic/bool-to-double.ll
--
Exit Code: 134
Command Output (stderr):
--
/Users/fang/local/src/LLVM-svn/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:247
2: failed assertion `NewInTy.isInteger() && "Ran out of possibilities!"'
Stack dump:
0. Program arguments:
/Users/fang/local/src/LLVM-svn/gcc40-cmake-build/./bin/llc
1. Running pass 'Function Pass Manager' on module '<stdin>'.
2. Running pass 'PowerPC DAG->DAG Pattern Instruction Selection' on
function '@test'
--
********************
FAIL: LLVM :: CodeGen/Generic/print-arith-fp.ll (1454 of 8907)
******************** TEST 'LLVM :: CodeGen/Generic/print-arith-fp.ll' FAILED
***
*****************
Script:
--
gtimeout 1m /Users/fang/local/src/LLVM-svn/gcc40-cmake-build/./bin/llc <
/Volumes/Isolde/sources/LLVM-svn/llvm.git/test/CodeGen/Generic/print-arith-fp.ll
--
Exit Code: 133
Command Output (stderr):
--
Impossible reg-to-reg copy
UNREACHABLE executed at
/Users/fang/local/src/LLVM-svn/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:672!
Stack dump:
0. Program arguments:
/Users/fang/local/src/LLVM-svn/gcc40-cmake-build/./bin/llc
1. Running pass 'Function Pass Manager' on module '<stdin>'.
2. Running pass 'Post-RA pseudo instruction expansion pass' on function
'@main'
--
********************
FAIL: LLVM :: CodeGen/Generic/print-arith-int.ll (1455 of 8907)
******************** TEST 'LLVM :: CodeGen/Generic/print-arith-int.ll' FAILED
**
******************
Script:
--
gtimeout 1m /Users/fang/local/src/LLVM-svn/gcc40-cmake-build/./bin/llc <
/Volumes/Isolde/sources/LLVM-svn/llvm.git/test/CodeGen/Generic/print-arith-int.ll
--
Exit Code: 133
Command Output (stderr):
--
Impossible reg-to-reg copy
UNREACHABLE executed at
/Users/fang/local/src/LLVM-svn/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:672!
Stack dump:
0. Program arguments:
/Users/fang/local/src/LLVM-svn/gcc40-cmake-build/./bin/llc
1. Running pass 'Function Pass Manager' on module '<stdin>'.
2. Running pass 'Post-RA pseudo instruction expansion pass' on function
'@main'
--
********************
FAIL: LLVM ::
ExecutionEngine/2003-10-18-PHINode-ConstantExpr-CondCode-Failure.ll (5506 of
8907)
******************** TEST 'LLVM ::
ExecutionEngine/2003-10-18-PHINode-ConstantExpr-CondCode-Failure.ll' FAILED
********************
Script:
--
gtimeout 1m /Users/fang/local/src/LLVM-svn/gcc40-cmake-build/./bin/lli
/Volumes/Isolde/sources/LLVM-svn/llvm.git/test/ExecutionEngine/2003-10-18-PHINode-ConstantExpr-CondCode-Failure.ll
<span class="quote">> /dev/null</span >
--
Exit Code: 133
Command Output (stderr):
--
Impossible reg-to-reg copy
UNREACHABLE executed at
/Users/fang/local/src/LLVM-svn/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:672!
Stack dump:
0. Program arguments:
/Users/fang/local/src/LLVM-svn/gcc40-cmake-build/./bin/lli
/Volumes/Isolde/sources/LLVM-svn/llvm.git/test/ExecutionEngine/2003-10-18-PHINode-ConstantExpr-CondCode-Failure.ll
1. Running pass 'Post-RA pseudo instruction expansion pass' on function
'@main'
--
********************
That revision range happens to span the adding of CR bit tracking. Related?
I think Iain is also affected by this on powerpc-darwin9.</pre>
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