[llvm-bugs] [Bug 49699] New: [llvm-mca] MCA Bottleneck Analysis is not supported for in-order processors

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Mar 23 08:20:47 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=49699

            Bug ID: 49699
           Summary: [llvm-mca] MCA Bottleneck Analysis is not supported
                    for in-order processors
           Product: tools
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: llvm-mca
          Assignee: unassignedbugs at nondot.org
          Reporter: andrew.savonichev at gmail.com
                CC: andrea.dibiagio at gmail.com, llvm-bugs at lists.llvm.org,
                    matthew.davis at sony.com

Bottleneck Analysis only supports out-of-order processors now. It is disabled
by default for in-order processors, and can be enabled only if
--bottleneck-analysis option is passed explicitly.

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