[PATCH] D141431: [AArch64] FEAT_LRCPC3 load/store optimisations

[Tomas Matheson via Phabricator via llvm-commits]

tmatheson created this revision.
tmatheson added reviewers: lenary, pratlucas, stuij.
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Extend the load/store optimizer to identify cases where the offset variants of
+rcpc3 instructions can be used.

The non-indexed LDIAPP/STILP are output by instruction selection and are
optimised to their +/- 8/16 byte variants by the load/store optimiser.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141431

Files:
  llvm/include/llvm/CodeGen/MachineInstr.h
  llvm/lib/CodeGen/MachineInstr.cpp
  llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
  llvm/lib/Target/AArch64/AArch64InstrInfo.h
  llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
  llvm/test/CodeGen/AArch64/aarch64-rcpc3-ldst.ll

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