[llvm-bugs] [Bug 38731] New: [llvm-mca] Move the llvm-mca library into core llvm.

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Aug 27 16:43:27 PDT 2018


https://bugs.llvm.org/show_bug.cgi?id=38731

            Bug ID: 38731
           Summary: [llvm-mca] Move the llvm-mca library into core llvm.
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: matthew.davis at sony.com
                CC: llvm-bugs at lists.llvm.org

This is a bug to track the discussion and RFC (not yet created) for moving the
llvm-mca library into llvm/lib.

The goal of this feature is to make the core of llvm-mca available for use by
optimizations and other llvm components.   For example, using llvm-mca's core
as an aid for cost modeling.  As llvm-mca grows, other components of llvm can
benefit from the ability to simulate various stages of an instruction pipeline.

To accomplish this we'll need a RFC with well defined use cases.  This work
involves moving the tools/llvm-mca/include and tools/llvm-mca/lib
subdirectories of into llvm/include and llvm/lib accordingly.  Perhaps
llvm/lib/MCA and llvm/include/MCA.

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