[PATCH] D156943: [RISCV] Implement straight-forward bf16<->int conversion cases

[Alex Bradbury via Phabricator via llvm-commits]

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This ports over the test cases half-convert.ll and implements patterns or RISCVISelLowering.cpp changes for all of the most straight-forward cases (those that don't require changes outside of lib/Target/RISCV). The remaining cases and noted poor codegen for saturating conversions will be handled in follow-up patches.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156943

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVInstrInfoZfbfmin.td
  llvm/test/CodeGen/RISCV/bfloat-convert.ll

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