search for: 0220c8cf

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2014 Jul 17
3
[LLVMdev] Preventing IR instruction duplication
Hi, For a certain type of analysis I generate inline assembly which I insert into the LLVM IR code. This inline assembly code contains labels that should not be duplicated. Problem is that the tail duplication pass duplicates code. It checks isNotDuplicatable on a machine instruction however there is no such a flag on an IR instruction that I could set. Is there a way to tell in an IR pass that