[PATCH] D42137: Add a TargetOption to enable/disable GlobalISel

[Volkan Keles via Phabricator via llvm-commits]

volkan created this revision.
volkan added reviewers: qcolombet, aemerson, ab, dsanders.
Herald added subscribers: kristof.beyls, javed.absar, rovka.

This patch adds a new target option in order to control GlobalISel.
This will allow the users to enable/disable GlobalISel prior to the
backend by calling `TargetMachine::setGlobalISel(bool Enable)`.

No test case as there is already a test to check GlobalISel
command line options.
See: CodeGen/AArch64/GlobalISel/gisel-commandline-option.ll.


https://reviews.llvm.org/D42137

Files:
  include/llvm/CodeGen/TargetPassConfig.h
  include/llvm/Target/TargetMachine.h
  include/llvm/Target/TargetOptions.h
  lib/CodeGen/TargetPassConfig.cpp
  lib/Target/AArch64/AArch64TargetMachine.cpp

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