similar to: [RFC] Disabling DAG combines in /O0

Hi, DAG combiner does indeed optimizations but also canonicalization. The latter, we probably need to keep, the former, we should be able to disable. When I asked Marianne to do a RFC about this, I was hoping we could get new ideas on how to tackle this problem. I am fine with the approach of disabling the optimizations one by one when we know it is indeed an optimization. However, I am not a

Hi, I am looking at the Type Based Alias Analysis and I am trying to understand why, from what I see, pointsToConstantMemory() never returns true. It seems that this information should come from the TBAA metadata, in which the Access Tag has an optional 4th field to specify this information. "Access tags are represented as MDNode s with either 3 or 4 operands. The first operand is an

Hello, it looks like I do have infinite loop in llc on linux/armv7 platform somewhere in llvm::SmallVectorImpl. Two backtraces obtained with 10 seconds delay are: 0x0099be14 in llvm::SmallVectorTemplateCommon<llvm::SDNode*>::setEnd (this=0x7ee90b38, P=0x5c06988) at /export/home/karel/vcs/llvm-head/include/llvm/ADT/SmallVector.h:103 103 void setEnd(T *P) { this->EndX = P; }

Hi, The add.with.overflow instrinsics don't seem to work with constant arguments, i.e. changing the call in add-with-overflow.ll to: %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 0, i32 0) causes the following exception when running the codegen tests: llc: DAGCombiner.cpp:646: void<unnamed>::DAGCombiner::Run(llvm::CombineLevel): Assertion `N->getValueType(0) ==

Applied. Thanks, Zoltan! -bw On Tue, Dec 9, 2008 at 1:12 PM, Zoltan Varga <vargaz at gmail.com> wrote: > Hi, > > Attached is the final version of the patch, adding the requested > FIXME. If this is ok, can > somebody check it in ? > > thanks > > Zoltan > > On Tue, Dec 9, 2008 at 9:58 PM,

Hi, Attached is the final version of the patch, adding the requested FIXME. If this is ok, can somebody check it in ? thanks Zoltan On Tue, Dec 9, 2008 at 9:58 PM, Bill Wendling <isanbard at gmail.com> wrote: > On Tue, Dec 9, 2008 at 6:11 AM, Zoltan Varga <vargaz at gmail.com> wrote: >> Hi, >>

Dear list, I have two vectors: x <- c("one","two") y <- paste(rep(x,2),"blah") I want to replace all occurrences of each element of x in y with something else, so that y looks like this: y [1] "something else blah" "something else blah" "something else blah" [4] "something else blah" I can do this using a loop: for (

Hello, How can I apply a function on a vector that refers to actual (n) and previous elements in the vector (e.g. n-1)? For example: I would like to calculate the sum of (n-1) + n for each element of a vector and get a vector as a result. Besides others I tried this: v<-c(3,6,8,1,1,3,9,5,6,3) for (i in 1:NROW(v)){a[i]<-a[i-1]+a[i]} I would like to get this result:

Dear list, I have data like this: dat1 <- data.frame(subject=rep(1:10,2), cond1=rep(c("A","B"),each=5), cond2=rep(c("C","D"),each=10), choice=sample(0:1,10,replace=TRUE)) I would like to compare subjects' "choice" for (cond1=="A" & cond2=="C") vs

Dear Rers, I have a function to barplot() a matrix, eg myfun <- function(x, ...) { barplot(x , ... )} (The real function is more complicated, it does things to the matrix first.) So I can do: m1 <- matrix(1:20,4) myfun(m1) myfun(m1, main="My title") I'd like to be able to add the number of rows of the matrix passed to the function to the "..." argument, eg

Virt SIG folks, please join me in welcoming our latest SIG member, Marianne Lombard (username: jehane). She's been a Fedora contributor for quite sometime already, and will now be helping to ensure I'm not being a bottleneck RE: docker on CentOS virt :) Welcome aboard, Marianne. -- Lokesh Freenode: lsm5 GPG: 0xC7C3A0DD -------------- next part -------------- A non-text attachment was

I have two lists of the same shape, like this: x <- list() x[[1]] <- c("one","two") x[[2]] <- c("three","four","five") y <- list() y[[1]] <- c(TRUE,FALSE) y[[2]] <- c(FALSE,TRUE,TRUE) I would like to index x "by" y, that is, the result in this case should be: z [[1]] [1] "one" [[2]] [1] "four"

Dear list, I would like to start some R workshops at King's College London, and to do so, I would like to use the "Use R!" logo at http://www.agrocampus-ouest.fr/math/useR-2009//useR%21%202008_fichiers/useR-middle.png Since it seems to be difficult to get a shell account at KCL, I also went ahead and registered use-r.org.uk and am starting to put together a website at

Hi list, I have data in a dataframe t1, with a column for different amounts spent, a column what it was spent on, and a column with dates, from which I create a new column with months. Example: amount <- rep(c(10,20,30),3) what <- rep(c("food","books","cycling"),3) when <- c(rep("2008-09-05",5),rep("2008-10-07",4)) t1 <-

Dear R users, I create a graphic with two plots side by side using layout(), like this: layout(matrix(c(1,2),1)) plot(1:10,main="left plot") lines(c(3:7,7:3),col="red") plot(10:1,main="right plot") The lines() obivously get added to the "left plot" plot. Now, I'm trying to write a function that builds up a plot bit by bit to then include it in a

Dear list, I've written a function that plots subjects. Something like: myplot <- function(subject) { plot(subject) } Subjects are vectors, e.g. ... s1 <- c(200,200,190,180) ... and plotting them works fine, e.g. ... myplot(s1) Now I want to have "s1" etc appear in the plot title, but I don't know how to refer to this generically (the object "name"? I tried

Dear list, I have a file that is comma delimited but contains some erroneous non-delimiter commas. I would like to replace these commas with semicolons and then read the correct file into R as a data frame. I want to do this from within R, without changing the original data file. My current idea of how to do this would be to use system("sed ...") and feed the result to read.csv(), but

Hi, I have a qplot like the one in the minimal example below, except I also have faceting like this: qplot(jitter(Goodall),jitter(Better.adapt),colour=Second.adapt,facets=~Pol,data=d1) and with the real data I get quite a lot of overplotting, so I would like to add an alpha channel. In addition, I would like to be able to control which colors are used for each value of Second.adapt (which

Hello everybody, A statistician performed an analysis in SAS for me which I would like to replicate in R. I have however problems in figuring out the R code to do that. As I understood it was a "covariance regression model". In the analysis, baseline was used as covariate and autoregressive (1) as covariance structure. The model included baseline, session, group and interaction

Hi everyone, My background is not math and I am trying to figure out exactly what equation to use to map a response variable in GIS based on the coefficients obtained from the GLM and the values of the independent variables in each grid cell of my study area. Most specifically, I want to know how to incorporate the Poisson family and log link function in the equation. I would really appreciate if