similar to: [LLVMdev] Speculative phi elimination at the top of a loop?

Hi, On Fri, Jun 4, 2010 at 5:18 AM, Pekka Nikander <pekka.nikander at nomadiclab.com> wrote: >  Would the best way be to add an option to -loop-unroll, and hack away at lib/Transforms/Utils/LoopUnroll.cpp? Instead, the better alternative is to write another pass similar to LoopUnrollPass.cpp (say LoopPeelPass.cpp) and add new option -loop-peel. The new pass could use llvm::UnrollLoop()

On Fri, Jun 4, 2010 at 8:18 AM, Pekka Nikander <pekka.nikander at nomadiclab.com> wrote: > I am working on heavily optimising unusually static C++ code, and have encountered a situation where I basically want an optimiser that would speculatively unroll a loop to see if the first round of the loop could be optimised further.  (I happen to know that it is possible.)  The previous

Hi, I am using asterisk's SMS functionality for sending messages. Most of the time it works without problems (as in situation 1) but sometimes something seems to go wrong with the transmission (as in situation 2). I am using "Deutsche Telekom", Germany's main TELCO, so I suppose the problem must be on my end. Can anybody tell me what is going on or how I could narrow down

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[I am a newcomer to llvm, so don't believe me.] Hi Claude, I added -debug to the command line in an attempt to study your example, and got out this: Loop Unroll: F[main] Loop %bb1 Loop Size = 4 Can't unroll; loop not terminated by a conditional branch. The source code for that is on line 116 (or so) in lib/Transforms/Utils/LoopUnroll.cpp Based on a quick look at the source code,

Hi all, I have tried to use the loop-unroll pass on a large example, but without success. So I have tried on smaller examples, and I did not get more success. My simplest example is attached. It comes from this C code (using llvm-gcc, but similar result with clang): int main (int argc, char *argv[]) { int i; for (i = 0; i!=5; ++i) {} return 0; } I use this command (version 2.8svn, from

I would like to preform a t.test to each of the measured variables (sand.silt etc.) with a mean and sd for each of the treatments (up or down), and out put this as a table.... I am having a hard time starting- maybe it is to close to lunch. Any suggestions would be greatly appreciated. Stephen Sefick x <- (structure(list(sample. = structure(c(1L, 7L, 8L, 9L, 10L, 11L, 12L, 13L, 14L, 2L, 3L,

If a class is derived from a superclass using 'contains', then coercion of an object from the class to the superclass fails to preserve the 'package' attribute of class of the object. This occurs only when the derived class has no additional slots. This is a problem because the 'new' function relies on the exact identity of the class, including the package attribute.

Dear all, To explain my problem I am attaching a demonstration package "myclasspkg": I have the following two S4 classes with similar inheritance: SubSubClassA <- SubClassB <- BaseClass SubSubClassB <- SubClassB <- BaseClass In R I am calling the following functions: > library(myclasspkg) > subA <-

Hi, I'm trying to define a mutable variable, outside functions. The code below is trying to evaluate an expression much like "x = 1" at the module level in Python. It appears that when it tries to JIT the function there is an error because there is no storage allocated for 'x'. How do I do that? thanks, Rob ----- dumped IR ----- ; ModuleID = 'repl-module' %0 =

Dear all, Maybe, I am doing something wrong, but using R-2.5.0 on my Intel-Mac, I have problems using function callNextMethod() in method initialize. I am loading the following code as file "testS4.R": setClass("baseClass", representation(myname = "character", mydir = "character", "VIRTUAL"),

Hi, I am trying to write an LLVM project, using LLVM 2.9. My passes are defined as follows, where the Pass2 requires Pass1. namespace llvm { class BaseClass : public ModulePass { // Name for printing const char* printname; protected: BaseClass(char id, const char* name) : ModulePass(id),printname(name){ } }; class Pass1 : public BaseClass { public: static char ID; Pass1() :

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On Wed, Jan 12, 2011 at 6:08 PM, Renato Golin <rengolin at systemcall.org> wrote: > On 12 January 2011 22:28, Rob Nikander <rob.nikander at gmail.com> wrote: >> @x = external global %0* > > Hi Rob, > > Try removing the 'extern', as it implies the variable storage is > elsewhere (ie. another object file). > I have to pass something from the

I successfully built LLVM (r102824) with ./configure --enable-optimized --enable-targets=host --with-built-clang on Fedora 12 on an Athlon64 processor. (The clang is the 2.7 pre-built version.) However, running `make check' produced 6 unexpected failures (see below). If there's something you'd like me to do, just holler. --- Vladimir FAIL:

On 30.8.2011, at 19.19, Eli Friedman wrote: > reg2mem won't do quite this transformation... not sure exactly what you need. I need to get rid of phis. This code is compiled from C++ and for some functions there are no phis, but multiple call instructions. I am targeting hardware in the end, and the next tool reading the IR does not like phis when it's generating VHDL. My questions may

On 12 January 2011 22:28, Rob Nikander <rob.nikander at gmail.com> wrote: > @x = external global %0* Hi Rob, Try removing the 'extern', as it implies the variable storage is elsewhere (ie. another object file). cheers, --renato

On Wed, Jan 12, 2011 at 11:28 PM, Rob Nikander <rob.nikander at gmail.com> wrote: > I'm trying to define a mutable variable, outside functions.  The code > below is trying to evaluate an expression much like "x = 1" at the > module level in Python.  It appears that when it tries to JIT the > function there is an error because there is no storage allocated for >