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[mips][microMIPS] Extending size reduction pass with LWP and SWP

Description

[mips][microMIPS] Extending size reduction pass with LWP and SWP
Author: milena.vujosevic.janicic
Reviewers: sdardis
The patch extends size reduction pass for MicroMIPS.
It introduces reduction of two instructions into one instruction:
Two SW instructions are transformed into one SWP instrucition.
Two LW instructions are transformed into one LWP instrucition.
Differential Revision: https://reviews.llvm.org/D39115

Details

Committed
zjovanovicJun 13 2018, 5:51 AM
Differential Revision
D39115: [MIPS][MicroMIPS] Extending size reduction pass with LWP and SWP
Parents
rL334594: Improve handling of COPY instructions with identical value numbers
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