[PATCH] D49125: [ARM] ParallelDSP: multiple reduction stmts in loop

[Sjoerd Meijer via Phabricator via llvm-commits]

SjoerdMeijer created this revision.
SjoerdMeijer added reviewers: samparker, dmgreen.
Herald added a reviewer: javed.absar.
Herald added subscribers: chrib, kristof.beyls.

This fixes an issue that we were not properly supporting multiple
reduction stmts in a loop, and not generating SMLADs for these cases. The
alias analysis checks were done too early, making it too conservative.


https://reviews.llvm.org/D49125

Files:
  lib/Target/ARM/ARMParallelDSP.cpp
  test/CodeGen/ARM/smlad0.ll

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