Aditya Nandakumar b63e763847 [GISel]: Make GlobalISelEmitter rule prioritization compatible with selectionDAG ...

This patch changes GlobalISelEmitter to rank patterns similar to how the
DAG does it (ie it computes a score for a pattern and adds the added
complexity to it).
This is so that the decision tree for GISelSelector remains compatible
with that of SelectionDAG.

https://reviews.llvm.org/D43270

llvm-svn: 325401

2018-02-16 22:37:15 +00:00

153 KiB

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