[llvm-bugs] [Bug 41273] New: x86 should realize when bitreverse is avoidable.

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Mar 28 07:06:06 PDT 2019


https://bugs.llvm.org/show_bug.cgi?id=41273

            Bug ID: 41273
           Summary: x86 should realize when bitreverse is avoidable.
           Product: new-bugs
           Version: 8.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: slandden at gmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

Not sure if this should be in the middle-end or in the x86(_64) backend.

https://zig.godbolt.org/z/QEKG8j

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