[PATCH] D113601: [AArch64] Use custom lowering for {U,S}INT_TO_FP with i8.

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added reviewers: dmgreen, ab, aemerson.
Herald added subscribers: hiraditya, kristof.beyls.
fhahn requested review of this revision.
Herald added a project: LLVM.

With fullfp16, it is cheaper to cast the {U,S}INT_TO_FP operand to i16
first, rather than promoting it to i32. The custom lowering for
{U,S}INT_TO_FP  already supports that, it just needs to be used.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113601

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/fp16-v8-instructions.ll

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