[llvm] [JITLink][LoongArch] Support large code model (PR #155566)

[Lu Weining via llvm-commits]

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SixWeining wrote:

The expression for `Page20` is:
Fixup <- getLoongArchPageDelta(Target + Addend, Fixup, Kind)[31:12] : int20

In `applyFixup()`, should also call `getLoongArchPageDelta` if the fixup is `Page20`.

Refer https://github.com/llvm/llvm-project/commit/4e35ae10c4d7bc840ad6b6a9b13e465bfaaf3768.

https://github.com/llvm/llvm-project/pull/155566