[Debugify] Allow unsigned values narrower than their variables

Suppress the diagnostic for mis-sized dbg.values when a value operand is
narrower than the unsigned variable it describes. Assume that a debugger
would implicitly zero-extend these values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336452 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed