[llvm-dev] Mark code from source to IR

Johan Wehrli via llvm-dev llvm-dev at lists.llvm.org
Thu Sep 22 04:45:46 PDT 2016

Hi everyone,

I am looking at a way to mark part of a source code for an optimisation pass (or how to transfert information from source code to IR).

I want to work on C / C++ / Objective-c and Swift.

Something like:

//Begin Optimisation 
if(i % 2){
//End Optimisation

for(int i = 0; i < 10; ++i){
	printf("%d, “, i);

I have found several informations here: http://clang-analyzer.llvm.org/annotations.html <http://clang-analyzer.llvm.org/annotations.html>. I was thinking about using #pragma or annotate attribute but this is not working on Swift.

Does anyone has an hint to begin with?



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