[PATCH] D155470: [AArch64] LSLFast to fold onto base address by default

[harvin iriawan via Phabricator via llvm-commits]

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- Most CPUs have dedicated adder & shifter to compute base address of

loads and stores, hence they are always free to use


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D155470

Files:
  llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
  llvm/test/CodeGen/AArch64/aarch64-fold-lslfast.ll
  llvm/test/CodeGen/AArch64/arm64-addr-mode-folding.ll
  llvm/test/CodeGen/AArch64/arm64-fold-address.ll
  llvm/test/CodeGen/AArch64/arm64-fold-lsl.ll

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