tree fafc7d6a2543795b8314b85f4b8c29f611d4fce5
parent 806c58324c292a10c8d344fa8f0cd33fc1dbcaa5
author dan sinclair <dsinclair@chromium.org> 1669169383 +0000
committer Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com> 1669169383 +0000

[ir] Add conditions to if and switch nodes.

This CL updates the if and switch nodes to store the condition value in
a register. The EmitExpression is updated to return a Register and the
builder updated to emit the expressions for the if, break-if, while,
and switch expressions.

Bug: tint:1718
Change-Id: Ie710812c74e8b9423a4aa997db451d9cdf304feb
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/110784
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>