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...commits <llvm-commits at lists.llvm.org> Reply-To: Rui Ueyama <ruiu at google.com> Date: Friday, October 13, 2017 at 4:22 PM To: Rafael Avila de Espindola <rafael.espindola at gmail.com> Cc: llvm-commits <llvm-commits at lists.llvm.org> Subject: Re: Reducing confusion around isUndefined() I think I'm not too excited about adding more predicates or inheritance. Lazy symbols are useful only when we are adding files to the symbol table. After that, there's no use of them. So maybe we can just visit all symbols at some point after reading all files but before writeResult to n...

Hi, What is the best way to debug an llc crash using bugpoint? I am getting the following crash that I would like to reduce llc: /home/vadve/aggarwa4/llvm29/llvm-2.9/lib/MC/MCAsmStreamer.cpp:273: virtual void<unnamed>::MCAsmStreamer::EmitLabel(llvm::MCSymbol*): Assertion `Symbol->isUndefined() && "Cannot define a symbol twice!"' failed. 0 llc 0x00000000013ae046 1 llc 0x00000000013ae5d4 2 libpthread.so.0 0x000000325660eb10 3 libc.so.6 0x0000003255a30265 gsignal + 53 4 libc.so.6 0x0000003255a31d10 abort + 272 5 libc.so.6...

Compiling the IR code at http://pastebin.com/hSwdLdD0 for target triple x86_64-apple-macosx fails with : assert(Symbol->isUndefined() && "Cannot define a symbol twice!"); `anon'::MCMachOStreamer::EmitLabel(llvm::MCSymbol * Symbol) llvm::DwarfDebug::emitDebugInfo() Line 1752 + 0x3c bytes C++ llvm::DwarfDebug::endModule() Line 865 C++ llvm::AsmPrinter::doFinalization(llvm::Module & M) Line 878 C++ ll...

...he best way to debug an llc crash using bugpoint? > > I am getting the following crash that I would like to reduce > > llc: /home/vadve/aggarwa4/llvm29/llvm-2.9/lib/MC/MCAsmStreamer.cpp:273: virtual void<unnamed>::MCAsmStreamer::EmitLabel(llvm::MCSymbol*): Assertion `Symbol->isUndefined() && "Cannot define a symbol twice!"' failed. > 0 llc 0x00000000013ae046 > 1 llc 0x00000000013ae5d4 > 2 libpthread.so.0 0x000000325660eb10 > 3 libc.so.6 0x0000003255a30265 gsignal + 53 > 4 libc.so.6 0x0000003255a31d10 abo...

Has anyone written any "cookie" class using prototype? Basically, what I am looking for is if there is an easy way to store mutiple cookies in a single cookie using hash or something - easy writing and retrieval (updating the cookie value). For eg - If I had 25 cookies for my domain 5 of the cookies would either get dropped or not be set (as there is a limit of 20 cookies per domain).

Hey guys I have an interesting problem - I have some draggable elements (sortable actually), with links (<A>) inside them. I want the user to be able to click on the link, however if the user drags the element I don''t want the link to get fired. Can anyone think of a way to do this? It only needs to work in Firefox. Cheers -Rob

...(1) global float 1.0 @"a_28_b" = addrspace(1) global float 1.0 If I run this through the x86 backend, I get: llc: /scratch/jholewinski/llvm/src/llvm/lib/MC/MCAsmStreamer.cpp:351: virtual void <anonymous namespace>::MCAsmStreamer::EmitLabel(llvm::MCSymbol *): Assertion `Symbol->isUndefined() && "Cannot define a symbol twice!"' failed. The backend tries to define the mangled symbol name twice, since "a(b" mangles to "a_28_b". Was it a conscious design choice to do it this way? Perhaps to save the time of verifying the uniqueness of the sym...

Dear LLVM developers, I have a question regarding the IPSCCP class and the handling of dead blocks: The file lib/Transforms/Scalar/SCCP.cpp of llvm 2.8 from contains some code to deal with a dead block which could not be folded (line 1909ff). This happens when a user of this dead block is a branch or switch with an undef condition. The action taken than is to replace this terminator with an

On Fri, Jul 16, 2010 at 11:25 AM, Daniel Dunbar <daniel at zuster.org> wrote: > Hi Michael, > > Overall patch looks good. I do have a few comments below. My main > comment is please try to make the style match that used in the > MCMachOStreamer more closely. I intend to refactor more functionality > into the base MCObjectStreamer class, and having them use consistent >

...an't figure this out... I have a compiler that outputs my module in either .s assembly format or .obj binary format, either one works just fine. But if I try to output both of them by adding passes, LLVM throws an Assert: void WinCOFFStreamer::EmitLabel(MCSymbol *Symbol) { assert(Symbol->isUndefined() && "Cannot define a symbol twice!"); MCObjectStreamer::EmitLabel(Symbol); } I attached my code which attempts to make it output both... if I comment out the lines for one or the other it works just fine. That code is just a copy of the llvm c compiler's code, changed slig...

...1 and MBB12 have both their address taken, and the reference count for BB1 is increased twice. With this, I am triggering a new assertion failure: In lib/MC/MCAsmStreamer.cpp:328 of MCAsmStreamer::EmitLabel(llvm::MCSymbol*) ---- void MCAsmStreamer::EmitLabel(MCSymbol *Symbol) { assert(Symbol->isUndefined() && "Cannot define a symbol twice!"); MCStreamer::EmitLabel(Symbol); OS << *Symbol << MAI.getLabelSuffix(); EmitEOL(); } --- When I disable the assertion, I observe the following: The different labels for the machine basic blocks are emitted, but the two new b...

...rying to add dbg.declare inst for a local variable I added to a function. I used the DIBuilder to build a DIVariable. When I try to compile llc fails with following message. llc: MCAsmStreamer.cpp:273: virtual void<unnamed>::MCAsmStreamer::EmitLabel(llvm::MCSymbol*): Assertion `Symbol->isUndefined() && "Cannot define a symbol twice!"' failed. I can't figure out what is wrong, there are no obvious duplicate entries. The original CU entry got replaced by the CU I created with DIBuilder. Not sure, if changing the CU is the cause of error. What is the right way to...

...o custom stuff. > void AsmPrinter::EmitFunctionEntryLabel() { > - OutStreamer.EmitLabel(CurrentFnSym); > + // The function label could have already been emitted if two symbols end up > + // conflicting due to asm renaming. Detect this and emit an error. > + if (CurrentFnSym->isUndefined()) > + return OutStreamer.EmitLabel(CurrentFnSym); > + > + report_fatal_error("'" + Twine(CurrentFnSym->getName()) + > + "' label emitted multiple times to assembly file"); > } >

...ternally end up wanting an alignment in bytes. - // FIXME: Diagnose overflow. - if (Pow2Alignment < 0) - return Error(Pow2AlignmentLoc, "invalid '.comm' or '.lcomm' directive " - "alignment, can't be less than zero"); - - if (!Sym->isUndefined()) - return Error(IDLoc, "invalid symbol redefinition"); - - // '.lcomm' is equivalent to '.zerofill'. - // Create the Symbol as a common or local common with Size and Pow2Alignment - if (IsLocal) { - Out.EmitZerofill(Ctx.getMachOSection("__DATA", "...

...t] = false } - }); + }); }, zindex: 1000, revert: false, @@ -250,57 +250,57 @@ var Draggable = Class.create({ snap: false, // false, or xy or [x,y] or function(x,y){ return [x,y] } delay: 0 }; - + if(!arguments[1] || Object.isUndefined(arguments[1].endeffect)) Object.extend(defaults, { starteffect: function(element) { element._opacity = Element.getOpacity(element); Draggable._dragging[element] = true; - new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); +...

Note that one of the 8 patches (#6) will be sent separately in reply to this email, as some of the replaced lines are too long, so git won't let me send the email. However, there is nothing wrong with that patch, and it should be applied in the sequence listed below. Note also that I assume this will be tested on a clean f11 install, rather than an upgrade of an existing ovirt server

...+ IsExtern = 1; + Index = SD->getIndex(); + + // For external relocations, make sure to offset the fixup value to + // compensate for the addend of the symbol address, if it was + // undefined. This occurs with weak definitions, for example. + if (!SD->Symbol->isUndefined()) + FixedValue -= Layout.getSymbolOffset(SD); + } else { + // The index is the section ordinal (1-based). + const MCSectionData &SymSD = + Asm.getSectionData(SD->getSymbol().getSection()); + Index = SymSD.getOrdinal() + 1; + FixedValue += Writer->ge...