Andrew Zhogin 45d192823e [DAGCombiner] visitRotate patch to optimize pair of ROTR/ROTL instructions into one with combined shift operand. ...

For two ROTR operations with shifts C1, C2; combined shift operand will be (C1 + C2) % bitsize.

Differential revision: https://reviews.llvm.org/D12833

llvm-svn: 307179

2017-07-05 17:55:42 +00:00

1.0 KiB

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