[PATCH] D71992: [ARM] Unrestrict Armv8 IT blocks

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: efriedma, evandro, t.p.northover, dmgreen, SjoerdMeijer, olista01.
Herald added subscribers: hiraditya, kristof.beyls.
Herald added a project: LLVM.

In Section 5.10 of the Cortex-A75 optimization guide and Section 4.12 of the Cortex-A76 and A77 optimization guides, it is stated that multi-instruction IT blocks are preferred over multiple, single instruction, blocks.


https://reviews.llvm.org/D71992

Files:
  llvm/lib/Target/ARM/ARM.td
  llvm/lib/Target/ARM/ARMSubtarget.cpp
  llvm/lib/Target/ARM/ARMSubtarget.h
  llvm/test/CodeGen/Thumb2/v8_deprecate_IT.ll

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