similar to: [LLVMdev] a very beginning question

Thank you. I'm only consider about how the compiler comiles c program to LLVM IR. I know there should be a scanner, parser, and IR generator. But where is the main entrance and how about the flow of the process, especially about the IR generator? > shding at mtu.edu wrote: >> Hi, >> Where can I find the main function of llvm compiler in the source >> file? >>

shding at mtu.edu wrote: > Hi, > Where can I find the main function of llvm compiler in the source file? > Thanks! Well, there's a loaded question. :) It depends on "which" compiler you mean. If you're talking about the llvm-gcc and llvm-g++ compilers (C/C++ to LLVM) then they are in the downloadable tarballs available here: http://llvm.cs.uiuc.edu/releases/. You

Hi, I want to annotate values in llvm, like making a flag for the operands and result of an instruction for future use. I wonder if there's any interface to do such a thing? Thanks! -- Shuhan

Hi: I want to pass some message of instructions from LLVM Internal representation to backend code. For example, I make a flag for some certain operands of certain instructions. How can it be passed to the backend instructions? Which programs I should look into? Would someone give me some idea? Thank you ! -- Shuhan

Hi: I have extended the IR for adding flag. But I just want this flag to pass through the backend machine code. I know there're several passes like register relocation, schedualing, etc. But I think I just miss the part which is used to "parser" the LLVM IR to machine code instructions. Would you give me some help? Thank you ! > On Sun, 10 Jul 2005 shding at mtu.edu wrote:

Hi, I'm changing bytecode format a little bit, i.e. for 2 operands Instructions, the original is like this: 01-00:Opcode type 07-02:Opcode 15-08: Instruction type 23-16: Operand#1 31-24: Operand#2 My change is like this: 01-00:Opcode type 07-02:Opcode 15-08: Instruction type 16: myflag1 17: myflag2 24-18: Operand#1 31-25: Operand#2 I do

Hi, I have some problems when I use this command: gcc hello.s -o hello.native(for example) to assembly the native language to a program. I always got a error message like this : "gccas: hello.s:3: parse error, unexpected $undefined. hello.s:3: while reading token: '.' " I don't know what's wrong here. By the way, when I learned llvm at the first time, I followed

I'm a new guy for llvm. I'm doing a project in which some instructions should be moved from one block into another. Those instructions may be data-dependent. When I tried to delete them one by one, it cause the error message like, " use stuck around after a def is destroyed" even if I deleted the use befor the def. When I tried to add them to another block, errors occurred like

Reid Spencer wrote: > Yes, that's right! > > In fact, shortly the process of doing that will get easier with the > llvmc (compiler driver) tool that I'm working on. [another newbie delurks] Hi, Reid. Been tinkering with LLVM about 2 weeks now. I've been using the Stacker Compiler as an example so far for my own little project. Is this tool you mentioned coming

Hi, In the directory of lib/CodeGen/SelectionDAG, I cann't find SelectionDAGISel.cpp. I only have DAGBuilder.cpp and SelectionDAG.cpp. I don't know why. My edtion is 1.4. Is it because of the edtion difference? Thanks! > On Mon, 11 Jul 2005 shding at mtu.edu wrote: >> I have extended the IR for adding flag. But I just want this flag to >> pass through the backend

As the title. Thank! -- Shuhan

Hi: For some reason, I changed the files /ByteCode/Writer/Writer.cpp and /ByteCode/Reader/Reader.cpp and I introduced an new version number 6. Now I replaced these two changed files with the original ones that are version 5. And I rebuild the llvm compiler. What make me mad is that the bytecode produced now is still version 6! Of course the reader cannot recognize it because the current reader

On Mon, 11 Jul 2005 shding at mtu.edu wrote: > I have extended the IR for adding flag. But I just want this flag to > pass through the backend machine code. I know there're several passes > like register relocation, schedualing, etc. But I think I just miss the > part which is used to "parser" the LLVM IR to machine code > instructions. The part of the code

Hello, The interface is named Annotation and it allows any Annotable object to be annotated. Note that the Value class is an Annotable. HOWEVER, if the annotation information is something that might be useful to other developers or to other analysis/transformation passes, you're strongly encouraged to create an Analysis instead. See the various analyses in include/llvm/Analysis for examples.

On Sun, 10 Jul 2005 shding at mtu.edu wrote: > Hi: > I want to pass some message of instructions from LLVM Internal > representation to backend code. For example, I make a flag for some > certain operands of certain instructions. How can it be passed to the > backend instructions? Which programs I should look into? Would someone > give me some idea? Thank you ! The easiest

On 7/25/05, Reid Spencer <reid at x10sys.com> wrote: > I think that the answer is that llc is intended to be the final compiler > of executable output. Running "general" passes in llc was never part of > the design. It just runs machine passes, assuming that its bytecode > input is already optimized. OK, that makes sense. > What you're looking for is a program

Folks, As of the writing of this note, the llvmc tool is enabled for build on the CVS head. I'm encouraging you to try it out, provide some feedback, and help with the issues below. llvmc is now able to correctly link a pure bytecode version of any Stacker program. This includes translation with stkrc, optimization with opt and linking with llvm-link. It is also able to find Stacker's

Hi: When I tried to use llc -march=sparcv9 to compile some llvm .bc to SparcV9, I got such error: llc: /llvm/lib/Target/SparcV9/SparcV9RegInfo.h:62: virtual void llvm::TargetRegClassInfo::markColorsUsed(unsigned int, int, int, std::vector<bool, std::allocator<bool> >&) const: Assertion `UserRegType == RegTypeWanted && "Default method is probably incorrect for

Hi: In the file of SparcV9BurgISel.cpp, you said you didn't implement the "Switch" instruction and I also can't find how the "Select" instruction is implemented. So do you do some work to handle these two kind of instructions in other parts? Where can I find it? Thank you! -- Shuhan

On Mon, 2005-07-25 at 21:48 -0700, Michael McCracken wrote: > On 7/25/05, Reid Spencer <reid at x10sys.com> wrote: > > Why not just create your pass as a shared object and: > > > > opt -load mypass.so -mypass | llc > > My pass is an implementation of an analysis group that I wanted to > make available to machine passes as well as optimization passes. So I >