| Commit message (Collapse) | Author | Age | Files | Lines |
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isBinary was used where we should only accept
a signed binary, as removing the | 0 from an unsigned
value may be incorrect.
This does regress a few small things (as can be seen
in the diff). If it's important we can add more sophisticated
optimizations here, perhaps like an assumption that the
signedness of a local never matters.
Fixes emscripten-core/emscripten#10173
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* Remove implicit conversion operators from Type
Now types must be explicitly converted to uint32_t with Type::getID or
to ValueType with Type::getVT. This fixes #2572 for switches that use
Type::getVT.
* getVT => getSingle
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This means that debugging/tracing can now be enabled and controlled
centrally without managing and passing state around the codebase.
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This adds `-all` argument to wasm2js testing and fixes wasm2js to
actually take that argument (currently it doesn't, when it takes a wast
file). This also adds a wasm2js test for `atomic.fence` instruction that
was added in #2307.
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It is not valid to defer the truncation of divisions because
accumulated non-integral results can produce different values when
they are combined before truncation. This was causing a test failure
in the Rust test suite.
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(#2242)
Main change here is in pass.h, everything else is changes to work with the new API.
The add("name") remains as before, while the weird variadic add(..) which constructed the pass now just gets a std::unique_ptr of a pass. This also makes the memory management internally fully automatic. And it makes it trivial to parallelize WalkerPass::run on parallel passes.
As a benefit, this allows removing a lot of code since in many cases there is no need to create a new pass runner, and running a pass can be just a single line.
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This can't use the normal wasm-opt mechanism because we modify the discard the wasm as part of running wasm2js, so we need to emit it in the proper place in the middle.
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This is useful for front-ends which wish to selectively enable or
disable coloring.
Also expose these APIs from the C API.
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This happens on e.g. an i32 load of a constant offset, then we have constant >> 2.
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When loading a boolean, prefer the signed heap (which is more commonly used, and may be faster).
We never use HEAPU32 (HEAP32 is always enough), just remove it.
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We don't actually try to emit traps for loads, stores, invalid float to ints, etc., so when optimizing we may as well do so under the assumption those traps do not exist.
This lets us emit nice code for a select whose operands are loads, for example - otherwise, the values seem to have side effects.
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Applies the changes in #2065, and temprarily disables the hook since it's too slow to run on a change this large. We should re-enable it in a later commit.
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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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* Emit ints as signed, so -1 isn't a big unsigned number.
* x - -c (where c is a constant) is larger than x + c in js (but not wasm)
* +(+x) => +x
* Avoid unnecessary coercions on calls, return, load, etc. - we just need coercions when entering or exiting "wasm" (not internally), and on actual operations that need them.
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Removes redundant | 0s and similar things. (Apparently closure compiler doesn't do that, so makes sense to do here.)
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We run flatten there, which lets us simplify things a lot. Turns out that for assertions we didn't run it, which is why we still needed the old non-flat code paths. This adds flatten there and removes that old code and assumptions.
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This allows us to emit a (potentially modified) target features
section and conditionally emit other sections such as the DataCount
section based on the presence of features.
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Add a wasm2js option for the glue to be in emscripten-compatible format (as opposed to ES6). This does a few things so far:
* Emit START_FUNCTIONS, END_FUNCTIONS markers in the code, for future use in the optimizer.
* Emit the glue as a function to be called from emscripten.
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Early work for #1929
* Leave core wasm module - the "asm.js function" - to Wasm2JSBuilder, and add Wasm2JSGlue which emits the code before and after that. Currently that's some ES6 code, but we may want to change that later.
* Add add AssertionEmitter class for the sole purpose of emitting modules + assertions for testing. This avoids some hacks from before like starting from index 1 (assuming the module at first position was already parsed and printed) and printing of the f32Equal etc. functions not at the very top (which was due to technical limitations before).
Logic-wise, there should be no visible change, except some whitespace and reodering, and that I made the exceptions print out the source of the assertion that failed from the wast:
-if (!check2()) fail2();
+if (!check2()) throw 'assertion failed: ( assert_return ( call add ( i32.const 1 ) ( i32.const 1 ) ) ( i32.const 2 ) )';
(fail2 etc. did not exist, and seems to just have given a unique number for each assertion?)
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If the user does not supply features explicitly on the command line,
read and use the features in the target features section for
validation and passes. If the user does supply features explicitly,
error if they are not a superset of the features marked as used in the
target features section and the user does not explicitly handle this.
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* Also fixes some bugs in wasm2js tests that did not validate.
* Rename FeatureOptions => ToolOptions, as they now contain all the basic stuff each tool needs for commandline options (validation yes or no, and which features if so).
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Move the code around so the assertions are not caught in the big try-catch that reports errors as parsing errors.
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* Rename the `wasm2asm` tool to `wasm2js`
This commit performs a relatively simple rename of the `wasm2asm` tool to
`wasm2js`. The functionality of the tool doesn't change just yet but it's
intended that we'll start generating an ES module instead of just an `asm.js`
function soon.
* wasm2js: Support `*.wasm` input files
Previously `wasm2js` only supported `*.wast` files but to make it a bit easier
to use in tooling pipelines this commit adds support for reading in a `*.wasm`
file directly. Determining which parser to use depends on the input filename,
where the binary parser is used with `*.wasm` files and the wast parser is used
for all other files.
* wasm2js: Emit ESM imports/exports by default
This commit alters the default behavior of `wasm2js` to emit an ESM by default,
either importing items from the environment or exporting. Items like
initialization of memory are also handled here.
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