similar to: [LLVMdev] llvm::ShuffleVectorInst yields incorrect vector length in 2.6

On Feb 2, 2010, at 4:56 AM, Maarten Hoeben wrote: > > Hi, > > When I emit the llvm::ShuffleVectorInst instruction from my code generator > the result vector has the length of vector 1, instead of the element type of > vector 1 and the length of the mask vector; > > %13 = load <3 x float>* %w ; <<3 x float>> [#uses=0] > %14 =

Bob Wilson-3 wrote: > >> >> %13 = load <3 x float>* %w ; <<3 x float>> >> [#uses=0] >> %14 = shufflevector <3 x float> %13, <3 x float> undef, <2 x i32> <i32 >> 1, >> i32 0> ; <<3 x float>> [#uses=0] > > The type of %14 should be <2 x float>, since the elements are

Hi! currently instcombine does not detect constant diagonal matrix times vector, for example a.xx * [2 0] + a.yy * [0 3] can be optimized to a * [2 3] I have implemented this for float. I know that this assumes x * 0 = 0 which is not ieee compliant but i post it here in case it is interesting for someone. on my wish list there is still an option for target independent optimizations to have x

On 11/23/2011 05:52 PM, Hal Finkel wrote: > On Mon, 2011-11-21 at 21:22 -0600, Hal Finkel wrote: >> > On Mon, 2011-11-21 at 11:55 -0600, Hal Finkel wrote: >>> > > Tobias, >>> > > >>> > > I've attached an updated patch. It contains a few bug fixes and many >>> > > (refactoring and coding-convention) changes inspired

Hi, I'm developing an OpenGL shader-like language, using LLVM as the JIT engine. For some circumstances or exceptions I would like to abort the script, by throwing an exception back to the code that called the ExecutionEngine::runFunction. Initially I had problems throwing exceptions from functions called from the JIT code, where the JIT code would handle the exceptions, but this was solved

Tobias, I've attached an updated copy of the patch. I believe that I accounted for all of your suggestions except for: 1. You said that I could make AA a member of the class and initialize it for each basic block. I suppose that I'd need to make it a pointer, but more generally, what is the thread-safely model that I should have in mind for the analysis passes (will multiple threads

On Mon, 2011-11-21 at 21:22 -0600, Hal Finkel wrote: > On Mon, 2011-11-21 at 11:55 -0600, Hal Finkel wrote: > > Tobias, > > > > I've attached an updated patch. It contains a few bug fixes and many > > (refactoring and coding-convention) changes inspired by your comments. > > > > I'm currently trying to fix the bug responsible for causing a compile

On Fri, 2011-12-02 at 17:07 +0100, Tobias Grosser wrote: > On 11/23/2011 05:52 PM, Hal Finkel wrote: > > On Mon, 2011-11-21 at 21:22 -0600, Hal Finkel wrote: > >> > On Mon, 2011-11-21 at 11:55 -0600, Hal Finkel wrote: > >>> > > Tobias, > >>> > > > >>> > > I've attached an updated patch. It contains a few bug fixes

I'm trying to build Samba 3.0.2 or 3.0.2a on a Solaris system (I've tried both Solaris 8 and Solaris 9), and after successfully running configure, the "make" step hangs building proto.h. Checking the process table, the command that is hanging is: nawk -v headername=_PROTO_H_ -f script/mkproto.awk I've tried running this command by hand and it also hangs. I've tried

On Mon, 2011-11-21 at 11:55 -0600, Hal Finkel wrote: > Tobias, > > I've attached an updated patch. It contains a few bug fixes and many > (refactoring and coding-convention) changes inspired by your comments. > > I'm currently trying to fix the bug responsible for causing a compile > failure when compiling >

Oh, no. I should have been more clear. The patch was not rejected, just lost in the daily shuffle. I already have my employer's approval to send this upstream, so I will prepare a patch against trunk this morning. > I proposed a similar patch to LLVM (left circular shift) around 10/2011. > > Parts of my patch did make it into trunk about a year after, but others > > did not.

Currently, for scalable vectors, only splat shuffles are allowed; we're considering allowing more different kinds of shuffles. The issue is, essentially, that a shuffle mask is a simple list of integers, and that isn't enough to express a scalable operation. For example, concatenating two fixed-length vectors currently looks like this: shufflevector <2 x i32> %v1, <2 x i32>

On Monday, July 30, 2012 12:16 AM, Cameron McInally wrote: > Hey Andy, > > I proposed a similar patch to LLVM (left circular shift) around 10/2011. > Parts of my patch did make it into trunk about a year after, but others > did not. > > At that time, my solution was to add a binary operator to the IRBuilder, > since LCS fits in nicely with the other shift operators. But,

On 11/17/2011 12:38 AM, Hal Finkel wrote: > Tobias, et al., > > Attached is the my autovectorization pass. Very nice. Will you be at the developer summit? Maybe we could discuss the integration there? Here a first review of the source code. > diff --git a/docs/Passes.html b/docs/Passes.html > index 5c42f3f..076effa 100644 > --- a/docs/Passes.html > +++ b/docs/Passes.html

Ok, makes sense. My suggestion is that we patch the IR Verifier to ensure that the mask is indeed a vector of constants and/or undefs. Right now it only runs the standard checks for instructions. We will also run Alive2 on the test suite to make sure undef is never replaced in practice. Thanks, Nuno -----Original Message----- From: Eli Friedman <efriedma at quicinc.com> Sent: 27 de

Andy, Here is the left circular shift operator patch. I apologize to the reviewer in advance. The patch has a good bit of fine detail. Any comments/criticisms? Some caveats... 1) This is just the bare minimum needed to make the left circular shift operator work (e.g. no instruction combining). 2) I tried my best to select operator names in the existing style; please feel free to change them as

Hello at all ! What is the correct form to give a list form R (e.g. list(c(-1,1), "TestFile") ) to C. I have no problems, if I don't use character and I have also no problems to give a character vector form R to C. But, if I combine real and strings in a list then I don't know the correct syntax. I try it with following (an example): SEXP writeFile(SEXP headerR){ Image

Tobias, I've attached an updated patch. It contains a few bug fixes and many (refactoring and coding-convention) changes inspired by your comments. I'm currently trying to fix the bug responsible for causing a compile failure when compiling test-suite/MultiSource/Applications/obsequi/toggle_move.c; after the pass begins to fuse instructions in a basic block in this file, the aliasing

Hi all, I have exactly the same problem as the OP and tried the solution below, but I still get the error: 'Username IUCNNL\PC050$ is invalid on this system'. Should I map useraccount, enable Guest account, chang eunix directory permissions or things like that? Problem: My Windows 10 computers' machine accounts cannot acces shares on a domain member (samba 4.6 , id map = ad, centos

Tobias, et al., Attached is the my autovectorization pass. I've fixed a bug that appears when using -bb-vectorize-aligned-only, fixed some 80-col violations, etc., and at least on x86_64, all test cases pass except for a few; and all of these failures look like instruction-selection bugs. For example: MultiSource/Applications/ClamAV - fails to compile shared_sha256.c with an error: error in