[llvm-bugs] [Bug 51979] New: [Costmodel][X86] Add interleaved cost test coverage for pre-AVX2 targets

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=51979

            Bug ID: 51979
           Summary: [Costmodel][X86] Add interleaved cost test coverage
                    for pre-AVX2 targets
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: craig.topper at gmail.com, lebedev.ri at gmail.com,
                    llvm-bugs at lists.llvm.org, llvm-dev at redking.me.uk,
                    pengfei.wang at intel.com, spatel+llvm at rotateright.com

Although we have AVX2 + AVX512 interleaved costs we have no test coverage for
older targets, let alone actual cost tables.

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