[PATCH] D98781: [AArch64] Enable UseAA globally in the AArch64 backend

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: t.p.northover, fhahn, SjoerdMeijer, david-arm, sdesmalen, efriedma, hfinkel.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
dmgreen requested review of this revision.
Herald added a project: LLVM.

This is similar to D69796 <https://reviews.llvm.org/D69796> from the ARM backend. We remove the UseAA feature, enabling it globally in the AArch64 backend. This should in general be an improvement allowing the backend to reorder more instructions in scheduling and codegen, and enabling it by default helps to improve the testing of the feature, not making it cpu-specific. A debugging option is added instead for testing.


https://reviews.llvm.org/D98781

Files:
  llvm/lib/Target/AArch64/AArch64.td
  llvm/lib/Target/AArch64/AArch64Subtarget.cpp
  llvm/lib/Target/AArch64/AArch64Subtarget.h
  llvm/test/CodeGen/AArch64/aarch64-gep-opt.ll
  llvm/test/CodeGen/AArch64/arm64-variadic-aapcs.ll
  llvm/test/CodeGen/AArch64/arm64-virtual_base.ll
  llvm/test/CodeGen/AArch64/ilp32-va.ll
  llvm/test/CodeGen/AArch64/misched-stp.ll
  llvm/test/CodeGen/AArch64/seh-finally.ll

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