[PATCH] D30708: [ARM] SMULW [T|B] DAG Combine

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
Herald added subscribers: rengolin, aemerson.

Splitting SMULWB and SMULWT instruction selection changes from https://reviews.llvm.org/D30044 into separate patch. ISel has been moved from DAGToDAG into combine and so the related SMLAWB and SMLAWT instructions can be selected in tablegen. The helper functions have been removed from the original patch too.


https://reviews.llvm.org/D30708

Files:
  lib/Target/ARM/ARMISelDAGToDAG.cpp
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.h
  lib/Target/ARM/ARMInstrInfo.td
  lib/Target/ARM/ARMInstrThumb2.td

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