[PATCH] D156944: [TargetLowering][RISCV] Improve codegen for saturing bf16 to int conversion

[Alex Bradbury via Phabricator via llvm-commits]

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Extending to f32 first (as is done for f16) results in better generated code for RISC-V (and affects no other in-tree tests). Additionally, performing the FP_EXTEND first seems equally justified for bf16 and for f16.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156944

Files:
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/test/CodeGen/RISCV/bfloat-convert.ll

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