[PATCH] D68384: [AMDGPU][SILoadStoreOptimizer] NFC: Refactor code

[Piotr Sobczak via Phabricator via llvm-commits]

piotr created this revision.
Herald added subscribers: llvm-commits, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl, arsenm.
Herald added a project: LLVM.

This patch fixes a potential aliasing problem in InstClassEnum,
where local values were mixed with machine opcodes.

Introducing InstSubclass will keep them separate and help extending
InstClassEnum with other instruction types (e.g. MIMG) in the future.

This patch also makes getSubRegIdxs() more concise.


Repository:
  rL LLVM

https://reviews.llvm.org/D68384

Files:
  lib/Target/AMDGPU/SILoadStoreOptimizer.cpp

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