Luis Marques 20d2424016 [RISCV] Custom lower SHL_PARTS, SRA_PARTS, SRL_PARTS ...

When not optimizing for minimum size (-Oz) we custom lower wide shifts
(SHL_PARTS, SRA_PARTS, SRL_PARTS) instead of expanding to a libcall.

Differential Revision: https://reviews.llvm.org/D59477

llvm-svn: 358498

2019-04-16 14:38:32 +00:00

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