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2 Commits

Author SHA1 Message Date
Kai Luo
5a52a910f1 [PowerPC][Peephole] Combine extsw and sldi after instruction selection 
Summary:
`extsw` and `sldi` are supposed to be combined if they are in the same
BB in instruction selection phase. This patch handles the case where
extsw and sldi are not in the same BB.

Differential Revision: https://reviews.llvm.org/D63806

llvm-svn: 365430
 2019-07-09 02:55:08 +00:00
Kai Luo
79b2f06446 [PowerPC][NFC] Added test for sext/shl combination after isel. 
llvm-svn: 363118
 2019-06-12 02:45:27 +00:00