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...Mar 23, 2019 at 1:40 PM Doerfert, Johannes via llvm-dev < llvm-dev at lists.llvm.org> wrote: > Oh, my bad. > > > Idk why llc seems to know that architecture but clang does not. > > Doesn't make sense to me, sorry. > ------------------------------ > *From:* J S <mm92126 at hotmail.com> > *Sent:* Saturday, March 23, 2019 3:32:03 PM > *To:* Doerfert, Johannes > *Cc:* via llvm-dev > *Subject:* Re: [llvm-dev] Generating object files more efficiently > > It is my actual target architecture > ------------------------------ > *From:* Doerfert,...

...arch 23, 2019 1:30 PM To: J S Cc: via llvm-dev Subject: Re: [llvm-dev] Generating object files more efficiently I copied "-march=XYZ" from your original email, you have to replace it with your actual target architecture or simply drop it. ________________________________ From: J S <mm92126 at hotmail.com> Sent: Saturday, March 23, 2019 3:26:59 PM To: Doerfert, Johannes Cc: via llvm-dev Subject: Re: [llvm-dev] Generating object files more efficiently Johannes, I tried the last one and it gave me this: error: unknown target CPU 'XYZ' note: valid target CPU values are:...

...e/modules/GenerateVersionFromVCS.cmake exist? Can you > `git pull`, and does `git status` show any changes? > > > > *From: *llvm-dev <llvm-dev-bounces at lists.llvm.org> on behalf of Josh > Sharp via llvm-dev <llvm-dev at lists.llvm.org> > *Reply-To: *Josh Sharp <mm92126 at hotmail.com> > *Date: *Tuesday, March 19, 2019 at 3:15 PM > *To: *Rui Ueyama <ruiu at google.com> > *Cc: *via llvm-dev <llvm-dev at lists.llvm.org> > *Subject: *Re: [llvm-dev] Building lld > > > > I tried deleting my build directory and restarting from scra...

...hanks, Paul. How do I generate the 'as'? When I look at the bin directory , there is an llvm-as that takes llvm assembly as input but no 'as'. ________________________________ From: paul.robinson at sony.com <paul.robinson at sony.com> Sent: Tuesday, March 26, 2019 1:58 PM To: mm92126 at hotmail.com; craig.topper at gmail.com Cc: llvm-dev at lists.llvm.org Subject: RE: [llvm-dev] Generating object files more efficiently There isn't an option to specify a particular assembler. You can use `-fno-integrated-as` to tell Clang to run the `as` tool instead of trying to generate...

Tim, Thanks for the explanation. "it tells the linker to insert the address of date when converting this .o file into a final executable." Which utility do you use to convert .o to .elf and insert the address of 'date'? llvm-objcopy? ________________________________ From: Tim Northover <t.p.northover at gmail.com> Sent: Wednesday, March 13, 2019 3:20 AM To: Josh Sharp Cc:

Is it possible to get a virtual register and then use that to create a real register? I've seen it done in unittests/CodeGen/MachineInstrTest.cpp like this: unsigned VirtualDef1 = -42; VD1VU->addOperand(*MF, MachineOperand::CreateReg(VirtualDef1, /*isDef*/ true)); But when I do that in my code I get an assertion so I wasn't sure if it's legal or not. Thanks.

Hi Tim, >That C++ function is probably what looks for an FrameIndex node and >has been taught that it can be folded into the load. How do you teach a function that a node can be folded into an instruction? ________________________________ From: Tim Northover <t.p.northover at gmail.com> Sent: Monday, January 21, 2019 11:52 PM To: Josh Sharp Cc: via llvm-dev Subject: Re: [llvm-dev]

I tried deleting my build directory and restarting from scratch $ cd llvm-project $ mkdir build && cd build $ cmake -G "Unix Makefiles" -DLLVM_ENABLE_PROJECTS=lld ../llvm $ make I got this error: make[2]: *** No rule to make target 'llvm/cmake/modules/GenerateVersionFromVCS.cmake', needed by 'tools/lld/Common/VCSVersion.inc'. Stop. CMakeFiles/Makefile2:57166:

Johannes, I tried the last one and it gave me this: error: unknown target CPU 'XYZ' note: valid target CPU values are: nocona, core2, penryn, bonnell, atom, silvermont, slm, goldmont, goldmont-plus, tremont, nehalem, corei7, westmere, sandybridge, corei7-avx, ivybridge, core-avx-i, haswell, core-avx2, broadwell, skylake, skylake-avx512, skx, cascadelake,

How do I tell clang to use my target CPU's assembler instead of my host's assembler? I found the -fuse-ld option to tell it to use my linker but didn't find an option for the assembler. Thanks. ________________________________ From: llvm-dev <llvm-dev-bounces at lists.llvm.org> on behalf of Craig Topper via llvm-dev <llvm-dev at lists.llvm.org> Sent: Monday, March 25, 2019

cmake ../llvm/ -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Debug" -DCMAKE_INSTALL_PREFIX=../install -DLLVM_TARGETS_TO_BUILD="XXX" -DLLVM_ENABLE_PROJECTS='lld;clang;' ________________________________ From: Hans Wennborg <hans at chromium.org> Sent: Thursday, March 21, 2019 2:21 AM To: Josh Sharp Cc: Brian Cain; via llvm-dev Subject: Re: [llvm-dev] LLVM 8.0.0

> On Dec 5, 2018, at 22:15, Tom Stellard via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > On 12/05/2018 07:22 PM, m m via llvm-dev wrote: >> Hi, >> I'm new to LLVM and need some help. I defined an instruction to increment the stack pointer by 'amount' (i.e. sp = sp + amount). During assembly generation, the string that gets emitted is "ADS $SP"