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>
This CL adds the sketch of how to walk the IR tree in order to rebuild
the format of the original control flow.
Bug: tint:1718
Change-Id: Id9376d51907ea2a60f32506a152928b3a82d14ed
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/110481
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
This CL adds the framework and `tint` option to write the IR to stdout
as text for debug purposes.
Bug: tint:1718
Change-Id: I05bd83635800fbfe3b65d968a84b30931ec1bdb6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/110171
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
This CL adds the ability to dump an IR graph to a dot file. The
`--dump-ir-graph` option is added to the main tint command. The IR code
is moved behind a TINT_BUILD_IR flag in order to allow the GN build to
continue to build the tint program.
Bug: tint:1718
Change-Id: I0953fe2a59a34c21bb6cd288cb90e9d0298af793
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/107860
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
