Remove an IR walk during lowering.
authorPat Gavlin <pagavlin@microsoft.com>
Sat, 24 Jun 2017 00:41:06 +0000 (17:41 -0700)
committerPat Gavlin <pagavlin@microsoft.com>
Sat, 24 Jun 2017 21:10:19 +0000 (14:10 -0700)
commit8bbcefcac71fd4cd0161b39e2b6537251ddba53d
treed7515a0cd555d1ea8516709d355c1a6d4d761341
parent34a4ba15cf73140d2aa017eef8cf00fb21319bea
Remove an IR walk during lowering.

Now that the `IsUnusedValue` flag is maintained by decomposition and
lowering, it does not need to be recalculated before LSRA.

Commit migrated from https://github.com/dotnet/coreclr/commit/0dcf3843ccbeb1e1937d84cfbe155a7e55fd38c2
src/coreclr/src/jit/lower.cpp