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Author SHA1 Message Date
Simon Pilgrim 9fa58d1bf2 [DAG] Add SimplifyDemandedVectorElts binop SimplifyMultipleUseDemandedBits handling 
For the supported binops (basic arithmetic, logicals + shifts), if we fail to simplify the demanded vector elts, then call SimplifyMultipleUseDemandedBits and try to peek through ops to remove unnecessary dependencies.

This helps with PR40502.

Differential Revision: https://reviews.llvm.org/D79003
 2020-05-25 12:41:22 +01:00
Sanjay Patel 7fa3a0eec9 [AArch64] add tests with multiple binop+splat vals; NFC 
See D60890 for context.

llvm-svn: 358853
 2019-04-21 15:01:19 +00:00
Sanjay Patel 5d281ac9ce [AArch64] add tests for mul-by-element; NFC 
llvm-svn: 358718
 2019-04-18 21:48:46 +00:00