[llvm] [RISCV] Use TableGen-based macro fusion (PR #72224)

[Craig Topper via llvm-commits]

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@@ -1,210 +0,0 @@
-//===- RISCVMacroFusion.cpp - RISC-V Macro Fusion -------------------------===//
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topperc wrote:

Do I need to migrate all my downstream macrofusions to tblgen now?

https://github.com/llvm/llvm-project/pull/72224