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Thanks again Elior, Yes, I tried using '!if', etc. but I just get type mismatches for the initializer (int) - probably something daft I'm doing :-( MartinO -----Original Message----- From: Malul, Elior [mailto:elior.malul at intel.com] Sent: 29 September 2013 09:19 To: Martin.ORiordan at movidius.com; llvmdev at cs.uiuc.edu Subject: RE: [LLVMdev] Tblgen and computed expressions Martin hi. It seems like you have in fact understood the offered solution, and its disadvantages. The thing is...

...t find that fits you, please let me know - maybe we can define a new function that will meet your needs, And maybe also those of the silent crowed. Thx, Elior -----Original Message----- From: Martin O'Riordan [mailto:Martin.ORiordan at movidius.com] Sent: Friday, September 27, 2013 15:50 To: Malul, Elior; llvmdev at cs.uiuc.edu Subject: RE: [LLVMdev] TableGen and computed expressions Thanks Elior, Sorry for the delay - emergencies never seem to go away in compiler development ;-) That sounds like an interesting approach, a kind-of pre-processor for TD files. But will this still not resul...

----- Original Message ----- > From: "Elior Malul" <elior.malul at intel.com> > To: "Michael Gottesman" <mgottesman at apple.com>, "Hal Finkel" <hfinkel at anl.gov> > Cc: "LLVM Developers Mailing List" <llvmdev at cs.uiuc.edu> > Sent: Thursday, February 14, 2013 8:33:42 AM > Su...

...nimum amount of re-writing and giving me a good opportunity to cleanup the code, but the list construction outlined above doesn't seem to be as straight-forward. All the best, MartinO PS: My next bit of fun will be moving to v3.3 before v3.4 is shipped :-) -----Original Message----- From: Malul, Elior [mailto:elior.malul at intel.com] Sent: 22 September 2013 08:06 To: Martin.ORiordan at movidius.com; llvmdev at cs.uiuc.edu Subject: RE: [LLVMdev] TableGen and computed expressions Martin hi. I encountered a similar problem, and made a solution for it. The solution is a tblgen enhancement,...

Martin hi. I encountered a similar problem, and made a solution for it. The solution is a tblgen enhancement, and enables tblgen code expressions to be dynamically evaluated. It works as follows: 1. Code expressions have 'special runtime evaluation' expression (very similar to strings in ruby), e.g.: code c = {[ My name is #{injected}. }. 2. I have added another command line switch for

Hi LLVMDev, I am revising an existing LLVM backend for a new variant of our CPU architecture. I have looked at other targets, and the approach used by Hexagon seems to suit most of my needs quite well, so I am using Predicates to enable/disable instructions for the architectures. This works very well for disabling old instructions, and enabling new instructions. For the remaining instructions

First let me say that I really like the notion of being able to plug in .bc libraries into the compiler and I think that there are many potential uses (i.e. vector saturation operations and the like). But even so it is important to realize the limitations of this approach. Generally implementations of transcendental functions require platform specific optimizations to get the best performance and

Hi all, my name is Elior Malul, and Intel employee, and it is the first time I'm writing to the llvm-dev community. The purpose of that mail is a 'recon-mission' on a small tblgen feature I think might prove itself useful. I would like to add a built-in types 'pair'. Pair is a compound type with two template...

Hi all. In fact, this is how we have implemented it in our compiler (intel's OpenCL). We have created a .bc file for every architecture. Each file contains all the SIMD versions for the functions to be vectorized. To cope with the massive amount of code to be produced, we implemented a dedicated tblgen BE for that purpose. We are willing to share that code with the llvm community, in case this

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