[PATCH] D67392: [ARM][ParallelDSP] Change smlad insertion order

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: efriedma, SjoerdMeijer, dmgreen.
Herald added subscribers: mgrang, zzheng, kristof.beyls.

Instead of inserting everything after the 'root' of the reduction, insert all instructions as close to their operands as possible. This can help reduce register pressure.

Note: I have no idea why git has decided that I've made a change to an MC test.


https://reviews.llvm.org/D67392

Files:
  lib/Target/ARM/ARMParallelDSP.cpp
  test/CodeGen/ARM/ParallelDSP/complex_dot_prod.ll
  test/CodeGen/ARM/ParallelDSP/exchange.ll
  test/CodeGen/ARM/ParallelDSP/inner-full-unroll.ll
  test/CodeGen/ARM/ParallelDSP/multi-use-loads.ll
  test/CodeGen/ARM/ParallelDSP/overlapping.ll
  test/CodeGen/ARM/ParallelDSP/pr43073.ll
  test/CodeGen/ARM/ParallelDSP/smlad11.ll
  test/CodeGen/ARM/ParallelDSP/smladx-1.ll
  test/CodeGen/ARM/ParallelDSP/smlaldx-1.ll
  test/CodeGen/ARM/ParallelDSP/smlaldx-2.ll
  test/MC/AsmParser/preserve-comments-crlf.s

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