similar to: How does one reduce a function CFG to its entry block?

Hi. I would like to move first function of module to end. To do this, I remove function from module, then I insert it with getOrInsertFunction() method. It worked. But there is a problem: I can't see body of function (basic blocks). In other words, function basic blocks don't move. To solve, I store function basic blocks before remove it. and after function insertion, I want to insert

2011/2/28 John Criswell <criswell at illinois.edu>: > On 2/28/11 6:31 AM, Gabriel Rodríguez wrote: > > Hi all, > > I am trying to extend a FunctionType to include new parameters. In > particular, I want to > ensure that the main function has been declared with both argsc and argsv. > However > there seems to be no easy way to accomplish this: >

On 2/28/11 10:04 AM, Frits van Bommel wrote: > 2011/2/28 John Criswell<criswell at illinois.edu>: >> On 2/28/11 6:31 AM, Gabriel Rodríguez wrote: >> >> Hi all, >> >> I am trying to extend a FunctionType to include new parameters. In >> particular, I want to >> ensure that the main function has been declared with both argsc and argsv. >>

On Mon, Feb 28, 2011 at 5:10 PM, John Criswell <criswell at illinois.edu> wrote: > On 2/28/11 10:04 AM, Frits van Bommel wrote: >> I don't think a full clone is necessary, since he wants to replace the >> function. He only needs to create the new function and splice in the >> body of the old one. > > That is exactly what MakeFunctionClone() does.  It creates a

Hi Bill, I am using the following version of BuildMI : MachineInstrBuilder BuildMI(MachineFunction &MF, const TargetInstrDesc &TID, unsigned DestReg) I do the following : void createInstrs(std::vector<MachineInstr *>& ilist) { Machine Instr *mi; mi = BuildMI(MF, someTID, somereg);

Ah, didn't see that, that's what comes of trying to do something at 5pm :) I attached an updated patch which creates a virtual register instead of using R0. How does this look? Cheers, Gary Dan Gohman wrote: > PPCTargetLowering::EmitInstrWithCustomInserter has a reference > to the current MachineFunction for other purposes. Can you use > MachineFunction::getRegInfo instead?

Evan Cheng wrote: > You need to insert new basic blocks and update CFG to accomplish this. > There is a hackish way to do this right now. Add a pseudo instruction > to represent this operation and mark it usesCustomDAGSchedInserter. > This means the intrinsic is mapped to a single (pseudo) node. But it > is then expanded into instructions that can span multiple basic >

Hi, all I am trying to write a function pass to replace a old function to a new function like: int haha(int a) { } ==> int haha(int a, char *IO) { } The below is a part of my code and generate segmentation fault. Can you help me to fix it? Thanks, Shawn // Since we have now created the new function, splice the body of the old // function right into the new function, leaving the

Hi, I am trying to prune some uninteresting llvm ir branches, corresponding to the *if-else* condition in the source code. And here is the procedures: 1. Get the BasicBlock containing the BranchInst which has 2 successors(in order to keep consistent with the source code I am using the llvm ir without any optimizations, so SelectInst/SwitchInst/PHINode is absent), one of which should be

Hi all. I want to know how the dropAllReferences() is used in the FunctionPass MoudlePass and so on. If I want to delete the node about function in Module, I can use it ,am i right? Thanks for your help. yao. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130308/d3f9294b/attachment.html>

On Wednesday 09 July 2008 13:49, David Greene wrote: > > then it seems you're doing > > > > for each function > > generate_ir > > convert_to_llvm_ir > > optimize_llvm_ir > > Yep. Ok, I've mostly got a mechanism to do what I want: 1. As each function comes in for op/codegen, clone it and save off the clone and its associated ValueMap (I

I have ran under valgrind memcheck the process using libLLVM-2.9.so (rev.126022) and got several errors: ==24227== Invalid read of size 1 ==24227== at 0x40274C9: memcpy (mc_replace_strmem.c:497) ==24227== by 0x40D5B84: char* std::string::_S_construct<char const*>(char const*, char const*, std::allocator<char> const&, std::forward_iterator_tag) (in

llvm is giving me some assertion errors when trying to replace an instruction, and I'm not quite sure of what to do. I have the following snippet of code: switch((*I)->getOpcode()) { case Instruction::Malloc: { AllocaInst *AI; AI = new AllocaInst(cast<AllocationInst>(*I)->getAllocatedType(), cast<AllocationInst>(*I)->getArraySize());

Hi, I'm having trouble booting my system using the SuSE 9.0 installer CD at ftp://ftp.suse.com/pub/suse/i386/9.0/boot/boot.iso (ISOLINUX 2.06). My system is a Kontron cPCI-DT64 single board computer. The CD-ROM drive is an Adtron IC6C, has its own IDE controller and sits in another cPCI slot. System Details: System BIOS - PhoenixBIOS 4 Release 6.0, cPCI-DT64 BIOS 2.5 Adapter BIOS - Sil

Using Valgrind hasn't shown me anything terribly unusual. And I'm confused because its not even trying to delete a real instruction; deleting a void type with no name? That doesn't make any sense... Any other hints? I've seen a few posts in the past about this relating to some internal LLVM bugs... -Griffin On Thu, 12 Jan 2012 21:26:41 +0100, Duncan Sands <baldrick at

Hello, I am a newbie to LLVM and right now I am on the hook to parse some IR code and do some instrumentations. However, my problem is that no matter how I tweak my parsing code, it simply cannot print out anything. So here is my C code: int your_fun(int arg2) { int x = arg2; return x+2; } And here is my parsing code: #include <llvm/IR/Module.h> #include

Hi Griffin, did your pass create a data structure that holds values somehow, and forgot to delete it? Also, try running under valgrind in case this is due to a memory error of some kind. Ciao, Duncan. > So I have an LLVM pass that appears to run completely and work fine, and > then it aborts at the very end. When exiting the final runOnFunction call, > I get the following error /

Yes, it is a pass. Here is a very general overview of the file structure as far as the AA is concerned. LLVM is not my strong-suit, I do hardware simulators, not compilers. using namespace llvm; char RelRecovery::ID = 0; static RegisterPass<RelRecovery> X("relRecovery", "Reliability transformation for lightweight recovery"); void

Hey everyone, So I have an LLVM pass that appears to run completely and work fine, and then it aborts at the very end. When exiting the final runOnFunction call, I get the following error / stack dump. I cannot figure out why this is happening for the life of me - does anyone have any ideas? I'm not trying to do any crazy deallocation or anything, it just seems like a normal pass to me.

Cool, that worked. New patch attached... Cheers, Gary Evan Cheng wrote: > Just cast both values to const TargetRegisterClass*. > > Evan > > On Jul 10, 2008, at 7:36 AM, Gary Benson wrote: > > Evan Cheng wrote: > > > How about? > > > > > > const TargetRegisterClass *RC = is64Bit ? &PPC:GPRCRegClass : > > > &PPC:G8RCRegClass; >