[PATCH] D66921: GlobalISel: Add known bits to InstructionSelector

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: aemerson, aditya_nandakumar, paquette.
Herald added subscribers: Petar.Avramovic, volkan, tpr, javed.absar, rovka, wdng.

AMDGPU uses this for some addressing mode selection patterns. The
 analysis run itself doesn't do anything so it seems easier to just
always require this than adding a way to opt in.


https://reviews.llvm.org/D66921

Files:
  include/llvm/CodeGen/GlobalISel/InstructionSelector.h
  lib/CodeGen/GlobalISel/InstructionSelect.cpp
  lib/Target/AArch64/AArch64InstructionSelector.cpp
  test/CodeGen/AArch64/GlobalISel/gisel-commandline-option.ll
  test/CodeGen/AArch64/O0-pipeline.ll

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