[llvm-dev] Mark code from source to IR

[Johan Wehrli via llvm-dev]

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){
	printf(“Something”);
}
//End Optimisation

for(int i = 0; i < 10; ++i){
	printf("%d, “, i);
}
printf("\n”);
…

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?

Greetings,

Johan


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