[PATCH] D55474: [AMDGPU] Extend constant folding for logical operations

[Graham Sellers via Phabricator via llvm-commits]

grahamsellers created this revision.
grahamsellers added reviewers: arsenm, nhaehnle.
Herald added subscribers: llvm-commits, t-tye, tpr, dstuttard, yaxunl, wdng, jvesely, kzhuravl.

This patch extends existing constant folding in logical operations to handle S_XNOR, S_NAND, S_NOR, S_ANDN2, S_ORN2, V_LSHL_ADD_U32 and V_AND_OR_B32. Also added a couple of tests for existing folds.


Repository:
  rL LLVM

https://reviews.llvm.org/D55474

Files:
  lib/Target/AMDGPU/SIFoldOperands.cpp
  test/CodeGen/AMDGPU/constant-fold-imm-immreg.mir

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