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Author SHA1 Message Date
Zheng Chen 04377a81ae [Powerpc] set instruction count as lsr first priority of lsr. 
On Powerpc, set instruction count as lsr first priority of lsr by default.
Add an option ppc-lsr-no-insns-cost to return back to default lsr cost model.

Reviewed By: steven.zhang, jsji

Differential Revision: https://reviews.llvm.org/D72683
 2020-02-16 21:04:55 -05:00
Zheng Chen 671544c25b [PowerPC] [NFC] set instruction number as 1st priority of lsr cost model. 2020-01-14 02:19:33 -05:00