similar to: Accessing global variables arrays result in inlined getelementptrs

Hello, Here is one question regarding the LLVM TableGen: Which file in the llvm/lib/Target/X86 folder describes how the bits in the EFLAGS register are modified by the x86 instructions? For example, in the "X86InstrInfo.td" file, lines 2134-2135, it says: let SchedRW = [WriteALU], Defs = [EFLAGS], Uses = [EFLAGS] in { def CLC : I<0xF8, RawFrm, (outs), (ins), "clc",

Hello LLVMDev List, It's my first time sending a message to the List - I have been working on a tool for my research project using LLVM. Thanks for your awesome work! I have come across some bytecode like the following with an GetElementPtr instruction in brackets: Bytecode:%3 = call i32 @_Z4funcPKc(i8* getelementptr inbounds ([5 x i8]* @.str2, i32 0, i32 0)) C++ code:func("bleh");

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I''m a rails newbie trying to develop a blog application with rails. I''ve some troubles to find the best way of automaticly set a field value on update and creation of a blog item. In fact my problem is very simple. I''ve a blog table with two column named create_date an mod_date. And I''d like : 1 - that

On 2017-11-15 21:24, Richard W.M. Jones wrote: > On Wed, Nov 15, 2017 at 09:07:12PM +0100, Max Reitz wrote: >> On 2017-11-15 21:06, Gandalf Corvotempesta wrote: >>> 2017-11-15 20:59 GMT+01:00 Max Reitz <mreitz@redhat.com>: >>>> Well, you can't just add support to qemu-img alone either. Every image >>>> format supported by qemu-img is one

On 2017-11-15 21:06, Gandalf Corvotempesta wrote: > 2017-11-15 20:59 GMT+01:00 Max Reitz <mreitz@redhat.com>: >> Well, you can't just add support to qemu-img alone either. Every image >> format supported by qemu-img is one supported by qemu as a whole and >> thus needs a proper block driver that needs to support random accesses >> as well. > > I was

2017-11-15 23:55 GMT+01:00 Max Reitz <mreitz@redhat.com>: > https://xanclic.moe/convert-xva.rb -- does this work? > (It seems to works on the two example images I found...) > > An example is in the code, you use it like this: > > $ ./convert-xva.rb ~/Downloads/stats-appliance-2.36.020502.xva Ref:73 It doesn't work on huge images: # time convert-xva.rb

Hi, I've been struggling with constantexprs for a bit. I'm working on a pass that transforms global variables to local variables, and in particular the GetElementPtrConstantExpr is a bit troublesome. For my transformation to properly work, a global value should only be used by Instructions, not by ConstantExprs. I was thinking to add a ConstantExpr::replaceWithInstr() virtual method,

Hi Michael, Please keep in mind non-C/C++ frontends. For example, in Rust, we promise to avoid all undefined behavior in safe code. There is no reasonable compositional analysis that can statically detect stack overflows (I know safety-critical systems are subjected such analyses, but those could not reasonably be enforced on all Rust code -- most of them just forbid recursion, for example), so

Dear members, here is my trouble: My data consists of counts of trapped insects in different attractive traps. I usually use GLMs with a poisson error distribution to find out the differences between my traitments (and to look at other factor effects). But for some dataset where one traitment contains only zeros, GLM with poisson family fail to find any difference between this particular traitment

On 10/1/12 9:26 PM, Magee, Josh wrote: > Hello, > > I plan to implement "Stack Smashing Protection - Strong" support in LLVM. > Below is a description of this feature and an overview of the implementation > plan. I have divided up the implementation into stages that can be delivered > incrementally. > > I'm looking for any feedback (suggestions, requests,

Thanks for the answers, I?m aware of the ?.? option, just wanted to give a very simple example. But the lapply ??' parameter use has eluded me and thanks for enlightening me. What do you mean by messing up the call stack. As far as I understand it, piping should translate into same code as deep nesting. So then I only see a tiny downside for debugging here. No loss of time/space efficiency

Hello, I plan to implement "Stack Smashing Protection - Strong" support in LLVM. Below is a description of this feature and an overview of the implementation plan. I have divided up the implementation into stages that can be delivered incrementally. I'm looking for any feedback (suggestions, requests, etc) before I actually begin the work. Thank you! Josh

On Sat, Nov 22, 2014 at 11:09 AM, Sanjoy Das <sanjoy at playingwithpointers.com > wrote: > Hi Qiuping, > > If I'm reading the IR correctly, what you have is a > GetElementPtrConstantExpr [1]. It subclasses from llvm::Constant. > If you want the same code to handle GetElementPtrConstantExpr *and* GetElementPtrInst, you can use GEPOperator. > > Thanks, > --

On Fri, Apr 8, 2011 at 10:26 PM, Graham Reitz <grahamreitz at me.com> wrote: > There is a ~/llvm-2.8/lib/Target/PIC16/ backend in llvm-2.8.  It doesn't appear to be present in llvm-2.9. > > Has that backend been dropped? Yes; commit message for r116190: "Per discussion with Sanjiv, remove the PIC16 target from mainline. When/if it comes back, it will be largely a rewrite,

Hi all, I just come across an IR instruction like this: %0 = getelementptr i32* getelementptr inbounds ([42 x i32]* @aaa, i32 0, i32 0), i32 %2 What does the part "i32* getelementptr inbounds ([42 x i32]* @aaa, i32 0, i32 0)" mean? As far as I could understand this is a GetElementPtrConstantExpr, isn't it? My question is: how can I instantiate a class that represents that

Hi Michael, Thank you very much. But idx_begin/idx_end iterators can only be used through a getelementptr instruction, right? However, I think value "i32* getelementptr inbounds (%struct.Args* @globalArg, i64 0, i32 2)" itself is not a getelementptr instruction, so? Or could you tell me how can I get a getelementptr instruction first from this value?

Hello everybody, sorry for stupid qustion, but I have following problem: I succesfully installed Dovecot on Debian (from source). Now I want to run it. I tryed: # /usr/local/dovecot/sbin/dovecot # but nothing happened: # ps -Af | grep dove ....... ps -Af | grep dove # What is wrong? I want Dovecot to serve POP3 over SSL. Many thanks and sorry again :o)

Hi During a pass, the XCore target lowers thread local global variables by turning them into global variable arrays indexed by the (max 8) thread ID. (see XCoreLowerThreadLocal.cpp) This works fine for instructions e.g. GetElementPtrInst But can't be done for constants e.g. GetElementPtrConstantExpr Thus I would like to replace GetElementPtrConstantExpr with GetElementPtrInst when it is

Hmm... if I do a print() on the result of getFileName(), I get i8 * getelementptr ([9 x i8]* @.str, i32 0, i32 0) back, but if I try to dyn_cast this to GetElementPtrInst it fails (returning null), so presumably I'm seeing a GetElementPtrConstantExpr... so how can I get at that constant i8 array without casting to a GetElementPtrInst, and with GetElementPtrConstantExpr being

On 2017-11-15 22:50, Gandalf Corvotempesta wrote: > https://stacklet.com/downloads/XenServer-XVA-Template-Debian-7.8-Lightweight-x86 Hmmm, that gives me a timeout when downloading. And another image I got gives me an "argument list too long" -- which I had feared already... It has a size of 3 MB and Linux "only" allows 2... Max