[LLVMbugs] [Bug 15766] New: fatal error: error in backend: Cannot select: 0x9956be8: i32 = fabs 0x995a980 [ORD=256] [ID=18]
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Wed Apr 17 03:00:06 PDT 2013
http://llvm.org/bugs/show_bug.cgi?id=15766
Bug ID: 15766
Summary: fatal error: error in backend: Cannot select:
0x9956be8: i32 = fabs 0x995a980 [ORD=256] [ID=18]
Product: clang
Version: 3.2
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: paulepanter at users.sourceforge.net
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
Under Debian Sid/unstable building Midori from git works with gcc
$ gcc --version
gcc-4.7.real (Debian 4.7.2-15) 4.7.2
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
but fails with Clang.
$ clang --version
Debian clang version 3.2-1~exp6 (tags/RELEASE_32/final) (based on LLVM 3.2)
Target: i386-pc-linux-gnu
Thread model: posix
$ git clone git://git.xfce.org/apps/midori
Add `--depth 1` clone if you do not want the whole history. Note, that I only
tested with the commit below.
$ cd midori
$ git describe
0.5.0-68-g7e985a2
Get dependencies. Under Debian run `sudo aptitude build-dep midori`.
$ ./waf clean
[…]
$ CC=clang ./waf configure
Checking for release version : 0.5.0-68-g7e985a2
Checking for program gcc or cc : clang
Checking for program cpp : /usr/bin/cpp
Checking for program ar : /usr/bin/ar
Checking for program ranlib : /usr/bin/ranlib
Checking for gcc : ok
Checking for program valac : /usr/bin/valac
Checking for gobject-2.0 : yes
Checking for gthread-2.0 : yes
Checking for program version valac >= 0.1.6 : ok 0.16.1
Checking for program glib-genmarshal : /usr/bin/glib-genmarshal
Checking for program glib-mkenums : /usr/bin/glib-mkenums
Checking for program msgfmt : /usr/bin/msgfmt
Checking for program intltool-merge : /usr/bin/intltool-merge
Checking for header locale.h : yes
Checking for program rsvg-convert : /usr/bin/rsvg-convert
Checking for gtk-doc : disabled
Checking for libnotify : 0.7.5
Checking for granite : disabled
Checking for zeitgeist-1.0 >= 0.3.14 : 0.3.18
Checking for library m : yes
Checking for gmodule-2.0 : 2.32.4
Checking for gio-2.0 >= 2.22.0 : 2.32.4
Checking for x11 : 1.5.0
Checking for header X11/extensions/scrnsaver.h : yes
Checking for library Xss : yes
Checking for gtk+-2.0 >= 2.16.0 : 2.24.10
Checking for webkit-1.0 >= 1.1.17 : 1.8.1
Checking for gcr-3-gtk2 >= 2.32 : no
gcr-3-gtk2 >= 2.32 not found
Checking for javascriptcoregtk-1.0 >= 1.5.1 : 1.8.1
Checking for unique-1.0 >= 0.9 : 1.1.6
Checking for libsoup-2.4 >= 2.27.90 : 2.38.1
Checking for libxml-2.0 >= 2.6 : 2.8.0
Checking for sqlite3 >= 3.6.19 : 3.7.16.1
Checking for header unistd.h : yes
Checking for header signal.h : yes
'configure' finished successfully (10.926s)
$ ./waf build
Waf: Entering directory `/src/midori/_build'
[ 1/158] valac: katze/katze-separatoraction.vala katze/midori-hsts.vala
katze/midori-paths.vala katze/midori-uri.vala midori/midori-completion.vala
midori/midori-dialog.vala midori/midori-download.vala
midori/midori-extensions-column.vala midori/midori-historycompletion.vala
midori/midori-panedaction.vala midori/midori-searchcompletion.vala
midori/midori-settings.vala midori/midori-speeddial.vala midori/midori-tab.vala
midori/midori-viewable.vala midori/midori-viewcompletion.vala ->
_build/default/katze/katze-separatoraction.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps _build/default/katze/midori-hsts.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps _build/default/katze/midori-paths.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps _build/default/katze/midori-uri.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps
_build/default/midori/midori-completion.c _build/default/midori/midori-core.h
_build/default/midori/midori-core.vapi _build/default/midori/midori-core.deps
_build/default/midori/midori-dialog.c _build/default/midori/midori-core.h
_build/default/midori/midori-core.vapi _build/default/midori/midori-core.deps
_build/default/midori/midori-download.c _build/default/midori/midori-core.h
_build/default/midori/midori-core.vapi _build/default/midori/midori-core.deps
_build/default/midori/midori-extensions-column.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps
_build/default/midori/midori-historycompletion.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps
_build/default/midori/midori-panedaction.c _build/default/midori/midori-core.h
_build/default/midori/midori-core.vapi _build/default/midori/midori-core.deps
_build/default/midori/midori-searchcompletion.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps _build/default/midori/midori-settings.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps _build/default/midori/midori-speeddial.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps _build/default/midori/midori-tab.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps _build/default/midori/midori-viewable.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps
_build/default/midori/midori-viewcompletion.c
_build/default/midori/midori-core.h _build/default/midori/midori-core.vapi
_build/default/midori/midori-core.deps
../katze/midori-uri.vala:19.60-19.74: warning: use of possibly unassigned
parameter `path'
../katze/midori-uri.vala:173.34-173.49: warning: use of possibly unassigned
parameter `label'
../katze/midori-uri.vala:173.13-173.31: warning: use of possibly unassigned
parameter `checksum'
../midori/midori-download.vala:271.66-271.84: warning: use of possibly
unassigned parameter `basename'
../midori/midori-speeddial.vala:121.43-121.56: warning: use of possibly
unassigned parameter `count'
[ 2/158] cc: _build/default/katze/katze-separatoraction.c ->
_build/default/katze/katze-separatoraction_1.o
[ 3/158] cc: _build/default/katze/midori-hsts.c ->
_build/default/katze/midori-hsts_1.o
fatal error: error in backend: Cannot select: 0x9956be8: i32 = fabs
0x995a980 [ORD=256] [ID=18]
dbg:/src/midori/katze/midori-hsts.vala:23
0x995a980: i32 = zero_extend 0x995b288 [ID=17]
0x995b288: i8 = X86ISD::SETCC 0x99568b8, 0x995b8e8 [ID=16]
0x99568b8: i8 = Constant<9> [ID=10]
0x995b8e8: i32 = X86ISD::CMP 0x995c758, 0x995aa90 [ID=14]
0x995c758: i32,ch = load 0x98f6500, 0x9956cf8,
0x995be50<LD4[FixedStack-2]> [ORD=254] [ID=12]
0x9956cf8: i32 = FrameIndex<-2> [ORD=254] [ID=3]
0x995be50: i32 = undef [ORD=254] [ID=2]
0x995aa90: i32 = Constant<0> [ORD=254] [ID=6]
In function: midori_hsts_directive_construct_from_header
Waf: Leaving directory `/src/midori/_build'
Build failed: -> task failed (err #1):
{task: cc midori-hsts.c -> midori-hsts_1.o}
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