[llvm-bugs] [Bug 42282] New: [llvm-mca] initializeUsedResources(): Assertion `countPopulation(A.first) > 1 && "Expected a group!"' failed.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42282

            Bug ID: 42282
           Summary: [llvm-mca] initializeUsedResources(): Assertion
                    `countPopulation(A.first) > 1 && "Expected a group!"'
                    failed.
           Product: tools
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: llvm-mca
          Assignee: unassignedbugs at nondot.org
          Reporter: lebedev.ri at gmail.com
                CC: andrea.dibiagio at gmail.com, llvm-bugs at lists.llvm.org,
                    matthew.davis at sony.com

Created attachment 22102
  --> https://bugs.llvm.org/attachment.cgi?id=22102&action=edit
X86ScheduleBarcelona.td

I fully expect it to be an issue in the sched model,
but would be great to see something else than an assertion,
maybe?

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