[PATCH] D69898: [Mips] Add rematerialization support for ldi.fmt

[Mirko Brkusanin via Phabricator via llvm-commits]

mbrkusanin created this revision.
mbrkusanin added reviewers: petarj, atanasyan, mstojanovic.
mbrkusanin added a project: LLVM.
Herald added subscribers: jrtc27, hiraditya, arichardson, sdardis.

Instruction ldi.fmt can be considered cheap enough to avoid spill and restore
of value that it produces since it's loaded from immediate. Also for other
instructions that have isReMaterializable flag we can provide earlier result
if they can actually be rematerialized.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69898

Files:
  llvm/lib/Target/Mips/MipsInstrInfo.cpp
  llvm/lib/Target/Mips/MipsInstrInfo.h
  llvm/lib/Target/Mips/MipsMSAInstrInfo.td
  llvm/test/CodeGen/Mips/msa/remat-ldi.ll

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