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On 9 June 2017 at 15:29, Jajoo, Malhar via llvm-dev <llvm-dev at lists.llvm.org> wrote: > Thanks for that , I have read the documentation on this , but I would like to know > if it would be the right thing to do , ie , changing the enum within llvm::Type Well, I find the idea of a non-canonical DummyType slightly di...

This [1] might worth reading, Malhar. [1] http://llvm.org/docs/HowToSetUpLLVMStyleRTTI.html 2017-06-10 4:12 GMT+08:00 Tim Northover via llvm-dev < llvm-dev at lists.llvm.org>: > On 9 June 2017 at 12:03, Jajoo, Malhar via llvm-dev > <llvm-dev at lists.llvm.org> wrote: > > Is there some way around this ( without suggesting a change to my entire > AST ) ? > > LLVM has its own lightweight dynamic casting infrastructure which the > Type hierarchy already makes use of. > > You...

Hi, Just had a simple question , The use-def and def-use chains provided by llvm::Value class , would they work for IR that has not been optimized by the "mem2reg" pass ? ( ie, IR code that contains memory interactions and is not in SSA form yet ) Thanks, Malhar -------------- next part -------------- An HTML attachment was scrubbed... URL:

Hi, I have been trying to move some instructions between basic blocks , After looking at the API , I found llvm::Instruction::clone() but there is no result value for this. For example- source Basic block : continuation: ; preds = %else, %then %iftmp = phi i32 [ 5, %then ], [ 9, %else ] store i32 %iftmp, i32* %datasize ; 3 instructions below

Hi everyone, I just had a question - I am aware that LLVM supports it's own form of RTTI ( using dyn_cast<>() ,etc) but I wish to use C++ RTTI currently. I have tried building with "cmake -G "Unix Makefiles" -LLVM_ENABLE_RTTI=ON" but that doesnt seem to remove the "fno-rtti" flag from llvm-config and I still get an error when I try using

I was trying to run the simplify CFG Pass in LLVM , and delete an unreachable basic block ("continuation" below ) after running one of my own IR transforms , but I keep getting the error - While deleting: i8* %g Use still stuck around after Def is destroyed: store i8 0, i8* %g I am well aware of what that means, but isn't the whole purpose of the "simplifyCFGPass" to

Hi, I was wondering how I can print out the result of some arithmetic on 128 bit integers. After having a look at the API , it seems it is possible to get the integer value from the "ConstantInt::getSextValue() " but the return value is only a int64_t. I wish to print it on the console output and printing as a string or decimal ( using C standard library printf ) My Question :

Hi, I was wondering if it was possible to create a Dummy Type by subclassing LLVM Type. I do not want to create a new type or even do much with this dummy type , all I need is a placeholder type until I generate IR. I want to use this approach as most of my AST is already configured to accept a Type* and not a DummyType* ( which is my own class ) I explored this a bit and did manage to

Hi, I was trying to print out a 128 bit result at runtime using a call to printf in LLVM. I am able to print 32 uptil 64 bit integers using the format string "%d" in printf . Please see the code in red below , as I am having a bit difficulty in trying to print the 128 bit value computed at runtime. The code in red is never executed since the value may never be casted to a