[llvm-bugs] [Bug 28538] New: [mc][gfx8] No validation for DPP control row_bcast

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28538

            Bug ID: 28538
           Summary: [mc][gfx8] No validation for DPP control row_bcast
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: AMDGPU
          Assignee: unassignedbugs at nondot.org
          Reporter: i.am.perminov at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

The value provided with DPP control row_bcast is not checked properly for
allowed values. Instead, instruction is silently assembled with a wrong VOP_DPP
dword. Example:

v_mov_b32 v0, v1 row_bcast:13

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