This CL adds the machinery to emit binary operations to the IR. The
debug helper is split into Debug and Disassembler. The Disassembler is
used to help test the IR output.
Bug: tint:1718
Change-Id: Iffdd3be92e69a87828655ac41be91b34d5618174
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/110841
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
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>