tree 4ee2f1ade7a00898636d1cd9ac52cb2c2925f5be
parent 3ae571eda128f994413c1d1e780ca8937e93699c
author Nicolas Capens <capn@google.com> 1510846940 -0500
committer Nicolas Capens <nicolascapens@google.com> 1510871300 +0000

Reduce temporaries used during rvalue evaluation.

This optimizes evaluation of chained indexing operations by first
looking for an lvalue 'root' node and copying from it directly into the
topmost rvalue, instead of creating potentially many temporaries.

Change-Id: I47cf9b0230bd305695e7b2a44ddc44bc1320b764
Reviewed-on: https://swiftshader-review.googlesource.com/13908
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>