[PATCH] D156646: [RISCV] Expand load extension / truncate store for bf16

[Jun Sha via Phabricator via llvm-commits]

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Currentlt, bf16 operations are automatically supported by promoting to float. This patch adds bf16 support by ensuring that load extension / truncate store operations are properly expanded.


https://reviews.llvm.org/D156646

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/test/CodeGen/RISCV/bf16-promote.ll

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