[LLVMbugs] [Bug 6591] New: llc/lli crashes: 1246 tests failed on Ubuntu hardy lpia
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Fri Mar 12 05:11:58 PST 2010
http://llvm.org/bugs/show_bug.cgi?id=6591
Summary: llc/lli crashes: 1246 tests failed on Ubuntu hardy
lpia
Product: new-bugs
Version: trunk
Platform: PC
URL: http://launchpadlibrarian.net/40834252/buildlog_ubuntu
-hardy-lpia.clamav_0.96~rc1%2Bdfsg-0ubuntu1~hardy1~ppa
2_FAILEDTOBUILD.txt.gz
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
AssignedTo: unassignedbugs at nondot.org
ReportedBy: edwintorok at gmail.com
CC: llvmbugs at cs.uiuc.edu
Bug originally noticed in ClamAV's buildlogs, reproduced with upstream LLVM:
LLVM SVN r97959
../llvm/configure --enable-optimized --enable-targets=host-only
--disable-bindings
On Ubuntu hardy, architecture lpia (an i686 with "power saving optimizations")
llc/lli crashes a lot with -O2 (works with -O0):
Expected Passes : 115
Expected Failures : 17
Unsupported Tests : 757
Unexpected Failures: 1246
I got an Ubuntu lpia chroot like this (on Debian):
debootstrap --arch lpia hardy /home/edwin/hardy-lpia/ http://ports.ubuntu.com/
And in /etc/schroot/schroot.conf:
[hardy-lpia]
description=Ubuntu hardy lpia
location=/home/edwin/hardy-lpia
priority=3
users=edwin,root
groups=edwin,root
root-groups=root
personality=linux32
type=directory
$ Release/bin/llc <..//llvm/test/CodeGen/X86/xor.ll
.file "<stdin>"
.text
.globl test1
.align 16, 0x90
.type test1, at function
test1: # @test1
# BB#0:
xorps %xmm0, %xmm0
ret
.size test1, .-test1
0 llc 0x087cb364
Stack dump:
0. Program arguments: Release/bin/llc
1. Running pass 'X86 DAG->DAG Instruction Selection' on function '@test2'
Segmentation fault
Ubuntu hardy lpia has this compiler:
gcc -v
Using built-in specs.
Target: i686-linux-gnulp
Configured with: ../src/configure -v
--enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr
--with-arch=i686 --with-tune=i586 --enable-checking=release
--build=i686-linux-gnulp --host=i686-linux-gnulp --target=i686-linux-gnulp
Thread model: posix
gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)
g++ -v
Using built-in specs.
Target: i686-linux-gnulp
Configured with: ../src/configure -v
--enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr
--with-arch=i686 --with-tune=i586 --enable-checking=release
--build=i686-linux-gnulp --host=i686-linux-gnulp --target=i686-linux-gnulp
Thread model: posix
gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)
ld -v
GNU ld (GNU Binutils for Ubuntu) 2.18.0.20080103
Karmic lpia (and others) built LLVM fine, and all tests passed.
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