tree bdd39b730f959b92c242b57286d20fbe2dc70d1a
parent 66b979d7fb7539acd7007b1782c5e52d7b7e090a
author Ben Clayton <bclayton@google.com> 1626960299 +0000
committer Ben Clayton <bclayton@google.com> 1626960299 +0000

sem: Split sem::Variable into global, local and parameter

Each of these may contain information specific to their kind.

Change-Id: Ic8ac808088132b7bc2e43da6ce46a06571e0fed5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/59200
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: James Price <jrprice@google.com>