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Previously only WalkerPasses had access to the `getPassRunner` and
`getPassOptions` methods. Move those methods to `Pass` so all passes can use
them. As a result, the `PassRunner` passed to `Pass::run` and
`Pass::runOnFunction` is no longer necessary, so remove it.
Also update `Pass::create` to return a unique_ptr, which is more efficient than
having it return a raw pointer only to have the `PassRunner` wrap that raw
pointer in a `unique_ptr`.
Delete the unused template `PassRunner::getLast()`, which looks like it was
intended to enable retrieving previous analyses and has been in the code base
since 2015 but is not implemented anywhere.
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* Improve ExtractFunction pass error printing.
* Update lint
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Without this Windows fails with:
'isdigit': is not a member of 'std'
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We just cleared the list of exports, but the exportMap was still populated, so
the data was in an inconsistent state.
This fixes the case of running --extract-function multiple times on a file (which
is usually not useful, unless one of the passes you are debugging adds new
functions to the file - which some do).
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This is a useful alternative to extract-function when you don't know the
function's name.
Also moves the extract-function tests to be lit tests and re-uses them as
extract-function-index tests.
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Fixes #3895
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We have --pass-arg that allows sending an argument to a pass, like this:
wasm-opt --do-stuff --pass-arg=do-stuff@FUNCTION_NAME
With this PR that is equivalent to this:
wasm-opt --do-stuff=FUNCTION_NAME
That is,one can just give an argument to a pass on the commandline.
This fixes the Optional mode in command-line.h/cpp. That was not
actually used anywhere before this PR.
Also rename --extract-function's pass argument to match it. That is, the usage
used to be
wasm-opt --extract-function --pass-arg=extract@FUNCTION_NAME
Note how the pass name differed from the pass-arg name. This changes it to
match. This is a breaking change, but I doubt this is used enough to justify
any deprecation / backwards compatibility effort, and any usage is almost
certainly manual, and with PR writing it manually becomes easier as one
can do
wasm-opt --extract-function=FUNCTION_NAME
The existing test for that is kept (&renamed), and a new test added to test the
new notation.
This is a step towards unifying the symbol map functionality between
wasm-as and wasm-opt (later PRs will turn the symbol mapping pass into
a pass that receives an argument).
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Instead, run RemoveUnusedModuleElements, which does that sort of thing. That
is, this pass just "extracts" the function by turning all others into imports, and then
they should almost all be removable via RemoveUnusedModuleElements, depending
on whether they are used in the table or not, whether the extracted function calls
them, etc.
Without this, we would error if a function was in the table, and so this fixes #3876
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Adds support for modules with multiple tables. Adds a field for the table name to `CallIndirect` and updates the C/JS APIs accordingly.
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This PR contains:
- Changes that enable/disable tests on Windows to allow for better local testing.
- Also changes many abort() into Fatal() when it is really just exiting on error. This is because abort() generates a dialog window on Windows which is not great in automated scripts.
- Improvements to CMake to better work with the project in IDEs (VS).
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This pass strips DWARF debug sections, but not other debug
sections. This is useful when emitting source maps, as we do
need the SourceMapURL section, but the DWARF sections are
not longer necessary (and we've seen a testcase where they
are massively large, so big the wasm can't even be loaded in
a browser...).
Also contains a trivial one-line fix in --extract-function which
was necessary to create the testcase here: that pass extracts
a function from a wasm file (like llvm-extract) but it didn't check
if an export already existed for the function.
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Windows filenames can't contain colons. Use @ instead for passing arguments to passes.
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Mass change to apply clang-format to everything. We are applying this in a PR by me so the (git) blame is all mine ;) but @aheejin did all the work to get clang-format set up and all the manual work to tidy up some things to make the output nicer in #2048
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This allows
wasm-opt --pass-arg=KEY:VALUE
where KEY and VALUE are strings. It is then added to passOptions.arguments, where passes can read it.
This is used in ExtractFunction instead of an env var.
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Remove more of the unwanted stuff, and leave just an export to the function we are extracting. Then optimizations can do an effective cleanup.
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