[llvm-bugs] [Bug 51601] New: RegAllocGreedy fails allocation with overlapping tuples and register hints

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=51601

            Bug ID: 51601
           Summary: RegAllocGreedy fails allocation with overlapping
                    tuples and register hints
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Register Allocator
          Assignee: unassignedbugs at nondot.org
          Reporter: Matthew.Arsenault at amd.com
                CC: llvm-bugs at lists.llvm.org, quentin.colombet at gmail.com

Created attachment 25186
  --> https://bugs.llvm.org/attachment.cgi?id=25186&action=edit
Testcase

This testcase fails, apparently due to mishandling overlapping register tuples.
The allocation succeeds if the hints are removed

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