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15d7bb29
2017 Nov 09
2
Get basic-block cycle cost from LLVM
Hi all,
I'm interested in obtaining the cycles spend by the CPU from LLVM and i was
wondering if this was possible to obtain this with the scheduling
information from LLVM. (For the cortex-m0 in particular).
I found the following function : getInstrLatency() in the TargetInstrInfo
class.
If i sum the latencies of the instructions in a basic block i suppose i
will get the total cycle cost