[PATCH] D158445: [llvm][NFC] Refactor AutoUpgrade case 'n'

[Nathan Sidwell via Phabricator via llvm-commits]

urnathan created this revision.
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The NVPTX intrinsics are under 'n'. While that does first check for 'nvvm.', it didn't use the `consume_front` API, so fix that. Refactor the helper function to group matchers on the first component and check that first, rather than as a single monolithic list. Do similarly with the final set of intrinsics, which have a lot of commonality in the matching.
Finally reorder the argument/return type checking wrt name checking -- the former is going to be cheaper, so do that first before checking the name.


https://reviews.llvm.org/D158445

Files:
  llvm/lib/IR/AutoUpgrade.cpp

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