[PATCH] D53152: [Hexagon] Restrict compound instructions with constant value.

[Sumanth Gundapaneni via Phabricator via llvm-commits]

sgundapa created this revision.
sgundapa added reviewers: bcahoon, kparzysz.
Herald added a subscriber: llvm-commits.

Having a constant value operand in the compound instruction
is not always profitable. This patch improves coremark by ~4% on
Hexagon.


Repository:
  rL LLVM

https://reviews.llvm.org/D53152

Files:
  lib/Target/Hexagon/HexagonPatterns.td
  test/CodeGen/Hexagon/constant_compound.ll

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