tree d5ebe8697d6658f32a60f52696534238e371f76c
parent 7edabba9cf0ea0276ec22aa97faba757244fe6dd
author Anton Korobeynikov <anton@korobeynikov.info> 1547038981 +0000
committer Anton Korobeynikov <anton@korobeynikov.info> 1547038981 +0000

[MSP430] Optimize 'shl x, 8[+ N] -> swpb(zext(x)) [<< N]' for i16

Perform additional simplification to reduce shift amount.

Patch by Kristina Bessonova!

Differential Revision: https://reviews.llvm.org/D56016


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350712 91177308-0d34-0410-b5e6-96231b3b80d8