tree 53172d1b08eb281972502f6fec72c0010cdb4c9b
parent 66e1c18ee075a04577b13d49d09a9d0e31af8cdb
author Ben Clayton <bclayton@google.com> 1714644062 +0000
committer Ben Clayton <bclayton@google.com> 1714644062 +0000

[tint][ir] Validate value scoping

Errors if a value is used before it has been declared.

Note: this doesn't currently validate value declarations used in a
continuing block are all made before the first 'ir::Continue' statement.

Change-Id: Id2419135ff168e72dc012289839cdd1ca7f460e0
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/186463
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>