similar to: [LLVMdev] Assertion failed in Pass.cpp

I wonder in what cases FunctionPass is better that Pass. For example, addPassesToEmitAssembly takes PassManger and addPassesToJITCompile takes FunctionPassManager. Another question is about FunctionPassManager::run(Function&) and FunctionPass(Function&). The former calls the later, which is fine, but the latter looks like this: bool FunctionPass::run(Function &F) { if

Hi David, Thanks for your quick response! I now understand the reason that inlining cannot be done on functions with different target-attributes. Thanks for your explanation! However, I think I didn't fully understand your solution; it would be nice if you would like to elaborate a bit more. Here's a bit more info on my current workflow: (1) The clang++ compiler builds C++ source file

Dear People, I'm trying to write an R wrapper for a C++ library, using .Call. I've never used .Call before. I'm currently having some difficulties converting a R character string to a C one. Here is a little test program. #include <R.h> #include <Rinternals.h> #include <stdio.h> SEXP testfn(SEXP chstr) { char * charptr = CHAR(chstr); printf("%s",

Hello, I'm new to LLVM and I recently hit a weird problem about inlining behavior. I managed to get a minimal repro and the symptom of the issue, but I couldn't understand the root cause or how I should properly handle this issue. Below is an IR code consisting of two functions '_Z2fnP10TestStructi' and 'testfn', with the latter calling the former. One would expect the

Thank you so much David! After thinking a bit more I agree with you that attempting to add 'target-features' to my functions seem to be the safest approach of all. I noticed that if I mark the clang++ function as 'AlwaysInline', the inlining is performed normally. Is this a potential bug, given what you said that LLVM may accidentally move code using advanced cpu features outside

On Thu, 24 Jun 2004, Vladimir Prus wrote: > I wonder in what cases FunctionPass is better that Pass. For example, > addPassesToEmitAssembly takes PassManger and addPassesToJITCompile takes > FunctionPassManager. Here's a simple way to look at it. Use a Function pass whenever you can. A function pass will always work where a Pass works (it derives from pass as you've noticed),

Hello, i just tried to write some passes and in one of them i want to delete a call Instruction. I can identify the specific Instruction without a problem, but when i put the delete operation in the code i always get a error message while running opt. I already tried to rename my pass, but without any change. Another question i have is: why do i always get the "opt: CommandLine Error:"

cvs co llvm ... cd llvm; ./configure --with-llvmgccdir=<llvmgccdir>; make ... Compiling llvmAsmParser.cpp Linking /home/dcrowe/llvm/llvmcvs/llvm/lib/Debug/asmparser.o make[2]: Leaving directory `/home/dcrowe/llvm/llvmcvs/llvm/lib/AsmParser' make[2]: Entering directory `/home/dcrowe/llvm/llvmcvs/llvm/lib/Bytecode' make[2]: *** No rule to make target `all'. Stop. make[2]:

Suppose, I have a Pass1 implemented as a subclass of Pass, with source code in the directory of llvm source base( transform/analyze ) I can run that pass through opt on the bytecode emitted by gcc frontend through opt tool. However, I want that Pass1 to be the part of the actual GCC compiler. I want to know how I can position Pass1 among other passes /optimizations/ code generations. e.g if

> I can run that pass through opt on the bytecode emitted by gcc frontend > through opt tool. However, I want that Pass1 to be the part of the > actual GCC compiler. I want to know how I can position Pass1 among > other passes /optimizations/ code generations. I had a similar question and Chris recommended that I edit the addPassesToEmitAssembly method. Quoting him: "

Does anybody have a workable system to run an Rnw document through R-Sweave when necessary, but to just run it through LaTeX if no new R calculations are needed? I.e., the figures already exist, I do not need R to do more work for me, so I send the document straight to LaTeX. I want to leave open the option that I might need to run the document through Sweave in the future, so I don't want

Hi, We use LLVM libraries to compile C++ code and noticed slow downs when multiple threads of a process were compiling at once. *perf *indicated that most of the CPU time was spent in a spin lock, which was being locked/unlocked from llvm::PassRegistry::getPassInfo(). We read the relevant LLVM code and found out that PassRegistry is a ManagedStatic and is shared among all threads in case of a

Howdy everybody. I'm trying hard to load my backend. But I got problems. I took the target SparcV8 for lab. 1. mark all of the code in the bool SparcV8TargetMachine::addPassesToEmitAssembly(PassManager &PM,std::ostream &Out) and make it return false.( Of course I mark the // Output assembly language. PM.add(createSparcV8CodePrinterPass(Out, *this));) 2. generate the

Thank you... I am preparing to build a simple C compiler for our new architecture. According to your suggestion. I try to dynamically load my backend. But I got the error message : llc : target 'Your_Arch' does not support static compilation! could you tell me where is this problem? On Mon, 24 Jan 2005 22:53:15 -0600 (CST), Chris Lattner <sabre at nondot.org> wrote: > On

is there anyway for some parts of the function output to not be returned, even if the output has been used to calculate a further part of the function? i have tried invisible() to no avail. Thanks Emma -- View this message in context: http://www.nabble.com/Function-output-difficulties-tp20813117p20813117.html Sent from the R help mailing list archive at Nabble.com.

On Tue, 25 Jan 2005, s88 wrote: > Thank you... > I am preparing to build a simple C compiler for our new architecture. > According to your suggestion. I try to dynamically load my backend. > But I got the error message : > llc : target 'Your_Arch' does not support static compilation! > could you tell me where is this problem? A useful tool in llvm is named

Here are some patches to expand some of the examples in R-intro.texi. -- Brian Gough Network Theory Ltd, Publishing the R Reference Manuals --- http://www.network-theory.co.uk/R/ --- R-intro.texi~ Tue Aug 24 11:21:37 2004 +++ R-intro.texi Tue Aug 24 11:21:37 2004 @@ -6288,6 +6288,21 @@ use @example +> help(package = "@var{name}") +@end example + +A complete list of the

Greetings, I seem to be butting up against what may be a Vista-related issue for mingw-based compilation. I did some googling earlier today and found these steps: http://blogs.tedneward.com/2008/02/24/Building+LLVM+On+Windows+Using+MinGW32.aspx, which I followed. But try as I did, I couldn't seem to get past the "tools" section of the compilation. It seemed to always have

Hi again, I have put together a "blank skeleton" for a X86NASMPrinter class, with effectively the same behaviour as the X86IntelAsmPrinter class. I had to do this within the X86AsmPrinter.cpp file rather than as a separate source file as the dependancies were so. Please do not commit this yet, I have included it not for confidence sake :)) I do not know whether it is a good idea to

I am looking for a list of the various optimizations that llvm performs when I use the JIT execution engine. Eg. I am assuming: strench reduction, dead code elimination ? Simon.