[PATCH] D81445: GlobalISel: Rewrite getLCMType

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: paquette, aemerson, dsanders, aditya_nandakumar.
Herald added subscribers: hiraditya, rovka, wdng.
Herald added a project: LLVM.
arsenm added a parent revision: D81376: GlobalISel: Add unit tests for some utils functions.

Try to make the behavior more consistent with getGCDType, and bias
towards returning something closer to the source type whenever there's
an ambiguity.


https://reviews.llvm.org/D81445

Files:
  llvm/include/llvm/CodeGen/GlobalISel/Utils.h
  llvm/lib/CodeGen/GlobalISel/Utils.cpp
  llvm/unittests/CodeGen/GlobalISel/GISelUtilsTest.cpp

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