[SelectOptimize] Add some debug logging. NFC
authorDavid Green <david.green@arm.com>
Tue, 22 Nov 2022 13:47:56 +0000 (13:47 +0000)
committerDavid Green <david.green@arm.com>
Tue, 22 Nov 2022 13:47:56 +0000 (13:47 +0000)
commit7d098988bc32d2894c338640cbee7084a02c15c8
tree2b554c07099b5faea27b04b91e4e8178e64af150
parent95ef005230e9f793aeb84e2f5ee58571698aace6
[SelectOptimize] Add some debug logging. NFC

This is some quick debug messages for the SelectOptimize pass, adding
some information for the costs that are measured from getInstructionCost
calls, and re-using the existing optimization remarks to print some
information about if transforms were performed or not.

Differential Revision: https://reviews.llvm.org/D138108
llvm/lib/CodeGen/SelectOptimize.cpp