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* Remove limit in the log length in fuzz_opt.py (#2601)Heejin Ahn2020-01-171-4/+2
| | | | | | It is convenient to have the full command when debugging fuzzing errors. The fuzzer sometimes fails before running `wasm-reduce` and being able to reproduce the command right away from the log is very handy in that case.
* DWARF: Function location tracking (#2592)Alon Zakai2020-01-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Track the beginning and end of each function, both when reading and writing. We track expressions and functions separately, instead of having a single big map of (oldAddr) => (newAddr) because of the potentially ambiguous case of the final expression in a function: it's end might be identical in offset to the end of the function. So we have two different things that map to the same offset. However, if the context is "the end of the function" then the updated address is the new end of the function, even if the function ends with a different instruction now, as the old last instruction might have moved or been optimized out. Concretely, we have getNewExprAddr and getNewFuncAddr, so we can ask to update the location of either an expression or a function, and use that contextual information. This checks for the DIE tag in order to know what we are looking for. To be safe, if we hit an unknown tag, we halt, so that we don't silently miss things. As the test updates show, the new things we can do thanks to this PR are to update compile unit and subprogram low_pc locations. Note btw that in the first test (dwarfdump_roundtrip_dwarfdump.bin.txt) we change 5 to 0: that is correct since that test does not write out DWARF (it intentionally has no -g), so we do not track binary locations while writing, and so we have nothing to update to (the other tests show actual updating). Also fix the order in the python test runner code to show a diff of expected to encountered, and not the reverse, which confused me.
* Align binaryen.js with the npm package (#2551)Daniel Wirtz2020-01-143-18/+38
| | | | | Binaryen.js now uses binaryen (was Binaryen) as its global name to align with the npm package. Also fixes issues with emitting and testing both the JS and Wasm builds.
* Revert "Reland "Fix renaming in FixInvokeFunctionNamesWalker (#2513)" ↵Sam Clegg2020-01-072-13/+10
| | | | | (#2542)" (#2576) This reverts commit f62e171c38bea14302f9b79f7941a248ea704425.
* [NFC] Enforce use of `Type::` on type names (#2434)Thomas Lively2020-01-071-104/+104
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* Add support for reference types proposal (#2451)Heejin Ahn2019-12-302-3/+10
| | | | | | | | | | | | This adds support for the reference type proposal. This includes support for all reference types (`anyref`, `funcref`(=`anyfunc`), and `nullref`) and four new instructions: `ref.null`, `ref.is_null`, `ref.func`, and new typed `select`. This also adds subtype relationship support between reference types. This does not include table instructions yet. This also does not include wasm2js support. Fixes #2444 and fixes #2447.
* Reland "Fix renaming in FixInvokeFunctionNamesWalker (#2513)" (#2542)Sam Clegg2019-12-202-10/+13
| | | | | | | | | | | | | | | | * Reland "Fix renaming in FixInvokeFunctionNamesWalker (#2513)" In the previous iteration of this change we were not calling `renameFunctions` for each of the functions we removed. The problem manifested itself when we rename the imported function to `emscripten_longjmp_jmpbuf` to `emscripten_longjmp`. In this case the import of `emscripten_longjmp` already exists so we remove the import of `emscripten_longjmp_jmpbuf` but we were not correclty calling renameFunctions to handle the rename of all the uses. Add an additional test case to cover the failures that we saw on the emscripten tree.
* Compile Binaryen to WebAssembly (#2503)Daniel Wirtz2019-12-191-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This PR enables compiling Binaryen to WebAssembly when building binaryen.js. Since WebAssembly is best compiled and instantiated asynchronously in browsers, it also adds a new mechanism to tell if respectively when the module is ready by means of one of the following: // Using a promise const binaryen = require("binaryen"); binaryen.ready.then(() => { ... use normally ... }); // Using await const binaryen = require("binaryen"); (async () => { await binaryen.ready; ... use normally ... })(); // Where top-level await is available const binaryen = await require("binaryen").ready; ... use normally ... One can also tell if Binaryen is already ready (for example when assuming it in follow-up code) by: if (/* we already know that */ binaryen.isReady) { ... use normally ... } else { throw Error("Binaryen is supposed to be ready here but isn't"); } The JS test cases have been updated accordingly by wrapping everything in a test function and invoking it once ready. Documentation will have to be updated as well to cover this of course. New file size is about 2.5mb, even though the Wasm becomes inlined into the JS file which makes distribution across different environments a lot easier. Also makes building binaryen (to either js or wasm) emit binaryen.js, and not binaryen_js.js etc. Supersedes and thus fixes #1381 With .ready it also fixes #2452
* Revert "Fix renaming in FixInvokeFunctionNamesWalker (#2513)" (#2541)Sam Clegg2019-12-192-13/+10
| | | This reverts commit f0a2e2c75c7bb3008f10b6edbb8dc4cfd27b7d28.
* SIMD {i8x16,i16x8}.avgr_u instructions (#2539)Thomas Lively2019-12-181-0/+2
| | | As specified in https://github.com/WebAssembly/simd/pull/126.
* Fix renaming in FixInvokeFunctionNamesWalker (#2513)Sam Clegg2019-12-172-10/+13
| | | | | | | | | | | | | This fixes https://github.com/emscripten-core/emscripten/issues/9950. The issue only shows up when debug names are not present so most of the changes in CL come from disabling debug names in the lld tests. We want to make sure that wasm-emscripten-finalize runs fine without debug names so I think it makes most sense to test in this mode. The actual bugfix is in wasm-emscripten.cpp as part of the FixInvokeFunctionNamesWalker. The problem was the name of the function rather than is import name was being added to importRenames. This means that when debug names were present (and the two names were the same) we didn't see the bug.
* Support stack overflow checks in standalone mode (#2525)Alon Zakai2019-12-121-7/+7
| | | | | | | | | In normal mode we call a JS import, but we can't import from JS in standalone mode. Instead, just trap in that case with an unreachable. (The error reporting is not as good in this case, but at least it catches all errors and halts, and the emitted wasm is valid for standalone mode.) Helps emscripten-core/emscripten#10019
* Remove FunctionType (#2510)Thomas Lively2019-12-111-1/+2
| | | | | | | | | | | | | | | | | Function signatures were previously redundantly stored on Function objects as well as on FunctionType objects. These two signature representations had to always be kept in sync, which was error-prone and needlessly complex. This PR takes advantage of the new ability of Type to represent multiple value types by consolidating function signatures as a pair of Types (params and results) stored on the Function object. Since there are no longer module-global named function types, significant changes had to be made to the printing and emitting of function types, as well as their parsing and manipulation in various passes. The C and JS APIs and their tests also had to be updated to remove named function types.
* Rename a couple of files that were missing in #2518 (#2521)Sam Clegg2019-12-101-1/+1
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* Look for bin/binaryen_js.js directly, instead of expecting us to copy it. ↵Alon Zakai2019-12-101-1/+3
| | | | (#2508)
* Add a RoundTrip pass (#2516)Alon Zakai2019-12-091-0/+1
| | | | | | This pass writes and reads the module. This shows the effects of converting to and back from the binary format, and will be useful in testing dwarf debug support (where we'll need to see that writing and reading a module preserves debug info properly).
* Use wat over wast for text format filenames (#2518)Sam Clegg2019-12-083-20/+20
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* Regenerate lld test inputs (#2502)Sam Clegg2019-12-051-2/+3
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* Update spec test suite (#2484)Heejin Ahn2019-11-293-8/+80
| | | | | | | | | | | | | This updates spec test suite to that of the current up-to-date version of https://github.com/WebAssembly/spec repo. - All failing tests are added in `BLACKLIST` in shared.py with reasons. - For tests that already existed and was passing and started failing after the update, we add the new test to the blacklist and preserve the old file by renaming it to 'old_[FILENAME].wast' not to lose test coverage. When the cause of the error is fixed or the unsupported construct gets support so the new test passes, we can delete the corresponding 'old_[FILENAME].wast' file. - Adds support for `spectest.print_[type] style imports.
* Auto-update spec test outputs (#2481)Heejin Ahn2019-11-261-0/+16
| | | | | | | | This makes auto_update_tests.py update spec test outputs (ones that are printed with `spectest.print` import) and extracts spec tests blacklist into shared.py with comments for reasons why each of them fails. Also deletes if-label-scope.fail.wast.log because it does not seem to match with any of existing tests.
* Use package name in imports (NFC) (#2462)Heejin Ahn2019-11-226-115/+111
| | | | | Don't directly import names from shared.py and support.py, and use prefixes instead. Also this reorders imports based on PEP recommendation.
* Fix syntax errors from #2457 (#2460)Heejin Ahn2019-11-201-1/+1
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* Simplify test scripts (NFC) (#2457)Heejin Ahn2019-11-204-47/+45
| | | | | | | | This makes test scripts simpler by reducing loop depths and extracting repeating code into methods or variables. - `get_tests` returns a list of tests with specified extensions. This includes files with a full path rather than just file names. - Reduces loop depths by using early exits and `get_tests`.
* Fix catch parsing (#2428)Heejin Ahn2019-11-111-1/+0
| | | | | | | - When a catch body is a block, call its `finalize` function with the correct type - Don't create a block when there's one instruction in a catch body - Remove `makeCatch` from gen-s-parser.py; it's not necessary - Fix a test case that has a `catch` without `try`
* Improve type selection in fuzzer (#2424)Heejin Ahn2019-11-061-4/+4
| | | | | | | | | - Adds `items` function for `FeatureOptions` so we can get a vector of eligible types - Replaces hardcoded enumeration of MVP types with `getConcreteTypes`, which also adds v128 type to the list if SIMD is enabled - Removes `getType()` function; this does not seem to be used anywhere - Renames `vectorPick` with `pick` - Use the absolute path for d8 in the fuzzer
* Add i32x4.dot_i16x8_s (#2420)Thomas Lively2019-11-041-0/+1
| | | | | This experimental instruction is specified in https://github.com/WebAssembly/simd/pull/127 and is being implemented to enable further investigation of its performance impact.
* Add SIMD integer min and max instructions (#2416)Thomas Lively2019-11-011-0/+12
| | | As proposed in https://github.com/WebAssembly/simd/pull/27.
* When renaming functions ensure the corresponding GOT.func entry is also ↵Sam Clegg2019-10-252-3/+3
| | | | | | renamed (#2382) Fixes https://github.com/WebAssembly/binaryen/issues/2180
* Upgrade the build container for linux releases (#2405)Alex Crichton2019-10-252-3/+3
| | | | | | | | This is a continued effort to try and track down #2273 which came up again and is still present in the current release binaries. Issues like crystal-lang/crystal#4276 may indicate that C++ exceptions are just somewhat broken with static linking when using alpine, but I've at least locally been able to verify that upgrading the container produces working binaries which previously segfaulted on some wasm files.
* Add --out-dir to allow setting the test output dir. (#2389)Alon Zakai2019-10-171-4/+11
| | | This allows fuzzing in parallel invocations.
* Add support for reftypes in InstrumentLocals pass (#2375)Heejin Ahn2019-10-101-0/+16
| | | This adds support for anyref and exnref types in InstrumentLocals pass.
* Add push/pop support for anyref (#2376)Heejin Ahn2019-10-101-0/+1
| | | | This adds push/pop support for anyref. This also adds missing C API tests for push/pop.
* v8x16.swizzle (#2368)Thomas Lively2019-10-031-0/+1
| | | | As specified at https://github.com/WebAssembly/simd/blob/master/proposals/simd/SIMD.md#swizzling-using-variable-indices.
* SIMD load and extend instructions (#2353)Thomas Lively2019-09-241-0/+6
| | | | | | Adds support for the new load and extend instructions. Also updates from C++11 to C++17 in order to use generic lambdas in the interpreter implementation.
* v128.andnot instruction (#2355)Thomas Lively2019-09-241-0/+1
| | | | | As specified at https://github.com/WebAssembly/simd/pull/102. Also fixes bugs in the JS API for other SIMD bitwise operators.
* vNxM.load_splat instructions (#2350)Thomas Lively2019-09-231-0/+4
| | | | | | | Introduces a new instruction class, `SIMDLoad`. Implements encoding, decoding, parsing, printing, and interpretation of the load and splat instructions, including in the C and JS APIs. `v128.load` remains in the `Load` instruction class for now because the interpreter code expects a `Load` to be able to load any memory value type.
* Avoid fuzzing with multiple --flatten operations, which causes exponential ↵Alon Zakai2019-09-181-1/+6
| | | | overhead (#2345)
* Add a --standalone-wasm flag to wasm-emscripten-finalize (#2333)Alon Zakai2019-09-181-0/+2
| | | The flag indicates that we want to run the wasm by itself, without JS support. In that case we don't emit JS dynCalls etc., and we also emit a wasi _start if there is a main, i.e., we try to use the current conventions in the wasm-only space.
* SIMD narrowing and widening operations (#2341)Thomas Lively2019-09-141-8/+20
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* [wasm2js] Fix memory.size (#2330)Alon Zakai2019-09-051-2/+2
| | | | | | | We emitted the __wasm_memory_size function only when memory growth was enabled, but it can be used without that too. In theory we could only emit it if either memory growth or memory.size is used, but I think we can expect JS minifiers to do that later. Also fix a test suite bug - the check/auto_update script didn't run all the wasm2js tests when you run it with argument wasm2js (it used that as the list of tests, instead of the list of files, which confused me here for a while...).
* QFMA/QFMS instructions (#2328)Thomas Lively2019-09-031-1/+5
| | | | | | | | | Renames the SIMDBitselect class to SIMDTernary and adds the new {f32x4,f64x2}.qfm{a,s} ternary instructions. Because the SIMDBitselect class is no more, this is a backwards-incompatible change to the C interface. The new instructions are not yet used in the fuzzer because they are not yet implemented in V8. The corresponding LLVM commit is https://reviews.llvm.org/rL370556.
* Allow all features on wasm2js and add atomic tests (#2311)Heejin Ahn2019-08-281-4/+4
| | | | | | 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.
* Add atomic.fence instruction (#2307)Heejin Ahn2019-08-271-0/+1
| | | | | | | This adds `atomic.fence` instruction: https://github.com/WebAssembly/threads/blob/master/proposals/threads/Overview.md#fence-operator This also fix bugs in `atomic.wait` and `atomic.notify` instructions in binaryen.js and adds tests for them.
* Fix auto_update_tests.py after #2114 (#2306)Sam Clegg2019-08-261-2/+2
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* Remove test output from source tree (#2114)Sam Clegg2019-08-213-3/+11
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* Add initial support for anyref as an opaque type (#2294)Jay Phelps2019-08-201-2/+2
| | | | | | | | | | | | | Another round of trying to push upstream things from my fork. This PR only adds support for anyref itself as an opaque type. It does NOT implement the full [reference types proposal](https://github.com/WebAssembly/reference-types/blob/master/proposals/reference-types/Overview.md)--so no table.get/set/grow/etc or ref.null, ref.func, etc. Figured it was easier to review and merge as we go, especially if I did something fundamentally wrong. *** I did put it under the `--enable-reference-types` flag as I imagine that even though this PR doesn't complete the full feature set, it probably is the right home. Lmk if not. I'll also be adding a few github comments to places I want to point out/question.
* Switch python indentation from 2-space to 4-space (#2299)Sam Clegg2019-08-1617-1641/+1640
| | | | | | | | pep8 specifies 4 space indentation. The use of 2 spaces is, I believe a historical anomaly where certain large organizations such as google chose 2 over 4 and have yet to make the switch. Since there isn't too much code in binaryen today it seems reasonable to make the switch.
* Upgrade flake8 and run it on python 3 (#2297)Guanzhong Chen2019-08-138-50/+56
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* Add basic exception handling support (#2282)Heejin Ahn2019-08-131-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds basic support for exception handling instructions, according to the spec: https://github.com/WebAssembly/exception-handling/blob/master/proposals/Exceptions.md This PR includes support for: - Binary reading/writing - Wast reading/writing - Stack IR - Validation - binaryen.js + C API - Few IR routines: branch-utils, type-updating, etc - Few passes: just enough to make `wasm-opt -O` pass - Tests This PR does not include support for many optimization passes, fuzzer, or interpreter. They will be follow-up PRs. Try-catch construct is modeled in Binaryen IR in a similar manner to that of if-else: each of try body and catch body will contain a block, which can be omitted if there is only a single instruction. This block will not be emitted in wast or binary, as in if-else. As in if-else, `class Try` contains two expressions each for try body and catch body, and `catch` is not modeled as an instruction. `exnref` value pushed by `catch` is get by `pop` instruction. `br_on_exn` is special: it returns different types of values when taken and not taken. We make `exnref`, the type `br_on_exn` pushes if not taken, as `br_on_exn`'s type.
* Allow running a portion of binaryen test suite (#2286)Guanzhong Chen2019-08-071-10/+12
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