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Author SHA1 Message Date
Arthur Eubanks f50b3ff02e [Hexagon] Use InstSimplify instead of ConstantProp 
This is the last remaining use of ConstantProp, migrate it to InstSimplify in the goal of removing ConstantProp.

Add -hexagon-instsimplify option to enable skipping of instsimplify in
tests that can't handle the extra optimization.

Differential Revision: https://reviews.llvm.org/D85047
 2020-08-04 15:42:39 -07:00
Krzysztof Parzyszek d51f7b3b43 [Hexagon] Check validity of register class when generating bitsplit 
llvm-svn: 341137
 2018-08-30 22:26:43 +00:00