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> On Feb 9, 2016, at 9:55 AM, Rafael Espíndola via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > > > JavaScriptCore's [FTL JIT](https://trac.webkit.org/wiki/FTLJIT <https://trac.webkit.org/wiki/FTLJIT>) is moving away > > from using LLVM as its backend, towards [B3 (Bare Bones > > Backend)](https://webkit.org/docs/b3/ <https://webkit.org/docs/b3/>). This includes its own [SSA > &g...

...Air. Andy > > Philip > > On 02/15/2016 03:12 PM, Andrew Trick via llvm-dev wrote: >> >>> On Feb 9, 2016, at 9:55 AM, Rafael Espíndola via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote: >>> > >>> > JavaScriptCore's [FTL JIT](https://trac.webkit.org/wiki/FTLJIT <https://trac.webkit.org/wiki/FTLJIT>) is moving away >>> > from using LLVM as its backend, towards [B3 (Bare Bones >>> > Backend)](https://webkit.org/docs/b3/ <https://webkit.org/docs/b3/>). This includes its...

...:owner:] + 391 13 org.R-project.R 0x00002538 main + 296 14 org.R-project.R 0x000023d6 start + 54 Thread 1: 0 libSystem.B.dylib 0x9744946e __semwait_signal + 10 1 libSystem.B.dylib 0x97473dcd pthread_cond_wait$UNIX2003 + 73 2 com.apple.JavaScriptCore 0x947e0842 WTF::TCMalloc_PageHeap::scavengerThread() + 578 3 com.apple.JavaScriptCore 0x947e086f WTF::TCMalloc_PageHeap::runScavengerThread(void*) + 15 4 libSystem.B.dylib 0x97473155 _pthread_start + 321 5 libSystem.B.dylib 0x97473012 thread_start + 34...

..., or @llvmweekly or @asbradbury on Twitter. ## News and articles from around the web Slides from the LLVM devroom at FOSDEM last weekend are [now available online](http://llvm.org/devmtg/2016-01/). Unfortunately there was an issue with the recording of the talks so videos will not be available. JavaScriptCore's [FTL JIT](https://trac.webkit.org/wiki/FTLJIT) is moving away from using LLVM as its backend, towards [B3 (Bare Bones Backend)](https://webkit.org/docs/b3/). This includes its own [SSA IR](https://webkit.org/docs/b3/intermediate-representation.html), optimisations, and instruction selection...

...rick via llvm-dev wrote: >>>> >>>>> On Feb 9, 2016, at 9:55 AM, Rafael Espíndola via llvm-dev < <mailto:llvm-dev at lists.llvm.org>llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote: >>>>> > >>>>> > JavaScriptCore's [FTL JIT]( <https://trac.webkit.org/wiki/FTLJIT>https://trac.webkit.org/wiki/FTLJIT <https://trac.webkit.org/wiki/FTLJIT>) is moving away >>>>> > from using LLVM as its backend, towards [B3 (Bare Bones >>>>> > Backend)](https://webkit.org/docs/...

...cr2: 0x00007fff7e8f8ff0 Logical CPU: 0 Binary Images: 0x105b88000 - 0x105b88fff +SafariForWebKitDevelopment (7536.30.1) <7E1AB8E9-8D8B-3A43-8E63-7C92529C507F> /Applications/Safari.app/Contents/MacOS/SafariForWebKitDevelopment 0x105b93000 - 0x105f72ff7 com.apple.JavaScriptCore (538+ - 538.1+) <1AF4B0D6-B929-34DB-8B30-C1F87E220A48> /Documents/*/JavaScriptCore.framework/Versions/A/JavaScriptCore 0x10616e000 - 0x1062d8ff7 com.apple.WebKit (538+ - 538.1+) <E7111ECC-9BE5-3F80-98A2-CCB4E80F941E> /Documents/*/WebKit.framework/Versions/A/WebKit...

...sl. > 0.9.7.dylib > 0x95dfe000 - 0x95eb6fff com.apple.audio.toolbox.AudioToolbox > 1.3.3 /System/Library/Frameworks/AudioToolbox.framework/Versions/ > A/AudioToolbox > 0x95f30000 - 0x9601efff libiconv.2.dylib /usr/lib/libiconv.2.dylib > 0x961b0000 - 0x96292fff com.apple.JavaScriptCore 312 /System/ > Library/Frameworks/WebKit.framework/Versions/A/Frameworks/ > JavaScriptCore.framework/Versions/A/JavaScriptCore > 0x962e6000 - 0x965befff com.apple.CoreGraphics 1.203.30 (???) / > System/Library/Frameworks/ApplicationServices.framework/Versions/A/ > Framewor...

...b 0x90d20000 - 0x90d3bfff com.apple.SystemConfiguration 1.7.1 (???) /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration 0x90ec0000 - 0x90ec0fff com.apple.Cocoa 6.3 (???) /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa 0x90ec2000 - 0x90fa4fff com.apple.JavaScriptCore 312 /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore 0x90ff8000 - 0x90ff8fff com.apple.audio.units.AudioUnit 1.3.3 /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit 0x910b0000 - 0x91101fff com.apple.bom 1.2.5 (63...

I've got a library function which writes to external state, but which does not update any location addressable from the code being compiled. I'd like to mark this function as read only to enable store forwarding, but I still need to model the side effect. (Otherwise, LLVM will happily remove any calls to the function since it returns void.) Does LLVM have a mechanism to describe

...ces.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib 0x94b67000 - 0x94b88fff libmx.A.dylib /usr/lib/libmx.A.dylib 0x9562d000 - 0x956bbfff com.apple.WebKit 418.8 /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit 0x95717000 - 0x957adfff com.apple.JavaScriptCore 418.3 /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore 0x957ea000 - 0x95af6fff com.apple.WebCore 418.20.1 /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/Versions/A/WebCore 0x95c7f000 - 0x95ca8f...

...RIP.A.dylib /System/Library/Frameworks/ ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib 0x95663000 - 0x956effff com.apple.WebKit 417.9 /System/Library/ Frameworks/WebKit.framework/Versions/A/WebKit 0x9574a000 - 0x9583ffff com.apple.JavaScriptCore 1.2 (417.8) /System/ Library/Frameworks/WebKit.framework/Versions/A/Frameworks/ JavaScriptCore.framework/Versions/A/JavaScriptCore 0x9587b000 - 0x95b85fff com.apple.WebCore 417.17 /System/Library/ Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/ Versions/A/WebCore 0x95d0c00...

> On Feb 16, 2016, at 1:14 AM, David Chisnall <David.Chisnall at cl.cam.ac.uk> wrote: > > On 15 Feb 2016, at 23:12, Andrew Trick via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> >> Prior to FTL, JavaScriptCore had no dependence on the LLVM project. Maintaining a dependence on an external project naturally has integration overhead. > > And the fact that a company that has as much in-house LLVM expertise as Apple decided that this was a significant burden is something that we should take note of....

Hallo, ich schreibe einfach mal deutsch, und hoffe dass Du das auch verstehst (if not write me back in English). OS X 10.3.9 Ich habe R 2.1.0 installiert, und das Programm hat auch funktioniert. Will wenig sp??ter wieder mit R arbeiten, es l??sst sich aber nicht mehr starten. "Das Programm R wurde unerwartet beendet", w??hrend ich versuche es durch Doppelklicken auf das R.app-symbol

> First, I create libjscore.a with ar, where I've changed the command > line to load the plugin: > ar cqs --plugin > /home/tmjackso/multicompiler/llvm-3.0/release/lib/LLVMgold.so > libjscore.a <list of object files> Note that you shouldn't need to pass --plugin to ar, it searches bfd-plugins. > Then I link jsc against libjscore.a: >

.../Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib 0x96165000 - 0x96182fff com.apple.audio.SoundManager 3.9 /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CarbonSound.framework/Versions/A/CarbonSound 0x961b0000 - 0x96292fff com.apple.JavaScriptCore 1.2 (312) /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore 0x968d0000 - 0x969b2fff libicucore.A.dylib /usr/lib/libicucore.A.dylib 0x96a20000 - 0x96ae2fff libcrypto.0.9.7.dylib /usr/lib/libcrypto.0.9.7.dylib 0x96b50000 - 0x96bdff...

...P.A.dylib /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib 0x94d98000 - 0x94e2bfff com.apple.WebKit 418.8 /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit 0x94e85000 - 0x94f07fff com.apple.JavaScriptCore 418.3 /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore 0x94f3a000 - 0x95219fff com.apple.WebCore 418.19 /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/Versions/A/WebCore 0x95377000 - 0x...

...ffff libRIP.A.dylib /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib 0x95a79000 - 0x95b05fff com.apple.WebKit 418 /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit 0x95b60000 - 0x95c55fff com.apple.JavaScriptCore 417.11 /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore 0x95c91000 - 0x95f9bfff com.apple.WebCore 417.24 /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/Versions/A/WebCore 0x96123000 - 0x9614cff...

...RIP.A.dylib /System/Library/Frameworks/ ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib 0x95663000 - 0x956effff com.apple.WebKit 417.9 /System/Library/ Frameworks/WebKit.framework/Versions/A/WebKit 0x9574a000 - 0x9583ffff com.apple.JavaScriptCore 1.2 (417.8) /System/ Library/Frameworks/WebKit.framework/Versions/A/Frameworks/ JavaScriptCore.framework/Versions/A/JavaScriptCore 0x9587b000 - 0x95b85fff com.apple.WebCore 417.17 /System/Library/ Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/ Versions/A/WebCore 0x95d0c00...

Hi, I've been following the instructions on how to use the LLVM Gold plugin at http://llvm.org/docs/GoldPlugin.html while building an multiple versions of WebKit. The documentation hasn't been updated since 2010 and hasn't really matched my experiences, so I'd like to ask if I'm doing these steps incorrectly. What I'm trying to do is force all compilation steps to

...ytime if you are interested Thanks! Required Knowledge / Skills: * Excellent knowledge of C/C++. * Good knowledge of ARM, PowerPC and x86 * Experience implementing compilers such as GCC, LLVM or Clang. * Experience implementing Virtual Machines (VMs) such as Mono, JavaScriptCore (JSC), V8 or Java * Detailed architectural understanding of different operation systems such as Linux, Windows and Android. * Strong analytical and problem solving skills. * Good team, communication, documentation and interpersonal skills. Qualifications: Required Exp...