[llvm-dev] Data flow graph with latency

Alexey Zhikhartsev via llvm-dev llvm-dev at lists.llvm.org
Fri Oct 11 08:34:56 PDT 2019


Instruction latency is target-dependent, so midend IR does not have it.
Latencies can be found in instruction scheduling DAGs, although be aware
that they are local (I.e., per basic block).

Best,
Alexey

On Thu., Oct. 10, 2019, 12:27 a.m. 이수연 via llvm-dev, <
llvm-dev at lists.llvm.org> wrote:

> I'm looking for the method to print out the Data Flow Graph(DFG) which has
> edges labeled with latency.
> Is it possible to generate it from LLVM IR?
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20191011/c1c8a37c/attachment-0001.html>


More information about the llvm-dev mailing list