[PATCH] D33091: [MIPS][MicroMIPS] Extending size reduction pass with LBU16, LHU16, SB16 and SH16

[Milena Vujosevic Janicic via Phabricator via llvm-commits]

milena.vujosevic.janicic created this revision.
Herald added a subscriber: arichardson.

The patch extends size reduction pass for MicroMIPS.
The following instructions are examined and transformed, if possible:
LBU instruction is transformed into 16-bit instruction LBU16
LHU instruction is transformed into 16-bit instruction LHU16
SB  instruction is transformed into 16-bit instruction SB16
SH  instruction is transformed into 16-bit instruction SH16


https://reviews.llvm.org/D33091

Files:
  lib/Target/Mips/MicroMipsSizeReduction.cpp
  test/CodeGen/Mips/micromips-sizereduction/micromips-lbu16-lhu16-sb16-sh16.ll

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