[PATCH] D117318: [WIP][RISCV][GlobalISel] Add lowerReturn for calling conv

[Lewis Revill via Phabricator via llvm-commits]

lewis-revill created this revision.
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Add minimal support to lower return, and introduce an outgoing ValueHandler for returns.

Supports return values with integer, pointer and aggregate types.

(Update of D69808 <https://reviews.llvm.org/D69808> - avoiding commandeering that revision)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D117318

Files:
  llvm/lib/CodeGen/TargetRegisterInfo.cpp
  llvm/lib/Target/RISCV/RISCVCallLowering.cpp
  llvm/lib/Target/RISCV/RISCVCallLowering.h
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.h
  llvm/test/CodeGen/RISCV/GlobalISel/calllowering-ret.ll
  llvm/test/CodeGen/RISCV/GlobalISel/irtranslator-calllowering.ll
  llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/ret.ll
  llvm/test/CodeGen/RISCV/GlobalISel/ret-roundtrip.ll

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