1 Release published by 1 person

• version_123

  published Mar 25, 2025

99 Pull requests merged by 8 people

• [NFC] Simplify interpretation of casts

  #7549 merged Apr 24, 2025

• Use fallthrough in optimizeInstructions to further optimize (unsigned)x < 0 ==> i32(0)

  #7480 merged Apr 24, 2025

• Fix JSON parsing of escaped strings

  #7545 merged Apr 24, 2025

• Add test with exact types to fuzzer ignore list

  #7548 merged Apr 24, 2025

• [Strings] Erase the strings section after StringLifting

  #7546 merged Apr 24, 2025

• Convert JSON parsing failures from assertions to exceptions

  #7531 merged Apr 24, 2025

• Account for exactness when finding the most refined fallthrough

  #7544 merged Apr 24, 2025

• Split generated casts test for more coverage

  #7543 merged Apr 23, 2025

• Exhaustively test OptimizeInstructions on ref.cast

  #7542 merged Apr 23, 2025

• Update evaluateCastCheck for exact types

  #7541 merged Apr 23, 2025

• Migrating from getExpressionInfo to expression wrappers

  #7525 merged Apr 23, 2025

• Fix incorrect result in getMaxBits for 0 / 0

  #7532 merged Apr 23, 2025

• [NFC] Simplify Array2Struct type replacement

  #7539 merged Apr 23, 2025

• Propagate exactness when combining GUFA possible contents

  #7537 merged Apr 22, 2025

• Use ES6 import to run JS tests. NFC

  #7536 merged Apr 21, 2025

• Do not let GUFA refine casts to exact when invalid

  #7530 merged Apr 21, 2025

• Avoid invalid exact casts in TypeRefining

  #7529 merged Apr 21, 2025

• [test] Extract function in scripts/test/binaryenjs.py. NFC

  #7535 merged Apr 21, 2025

• [NFC] Add withInexactIfNoCustomDescs helper

  #7528 merged Apr 21, 2025

• [test] Avoid reusing a.mjs for all js tests.

  #7534 merged Apr 21, 2025

• Read call-indirect-overlong and custom-descriptors features

  #7524 merged Apr 21, 2025

• Allow emcc-tests.sh to be invoked from outside the Binaryen source directory

  #7533 merged Apr 21, 2025

• [SIMD] Add i32x4.dot_i8x16_i7x16_add_s in interpreter

  #7527 merged Apr 21, 2025

• Avoid invalid exact casts in RemoveUnusedBrs

  #7522 merged Apr 18, 2025

• Update TypeMerging for exact types

  #7521 merged Apr 18, 2025

• Allow null-checking exact casts without custom descriptors

  #7520 merged Apr 18, 2025

• Fuzzer: Avoid constantly growing the wasm each time

  #7511 merged Apr 18, 2025

• Add missing ids to getExpressionInfo and fix existing bugs

  #7507 merged Apr 18, 2025

• Propagate exactness when canonicalizing types

  #7519 merged Apr 18, 2025

• Only add exact casts when allowed in GUFA

  #7518 merged Apr 17, 2025

• Always allow trivial exact casts

  #7516 merged Apr 17, 2025

• Disallow exact casts without custom descriptors enabled

  #7510 merged Apr 17, 2025

• Preserve exactness when updating types

  #7512 merged Apr 17, 2025

• [Fuzzing] Simplify V8 fuzzing flags: use --fuzzing over specific EH flag

  #7509 merged Apr 16, 2025

• [SIMD] wasm-ctor-eval: Fix relaxed SIMD in expressions

  #7508 merged Apr 16, 2025

• Update the binary format for exact heap types

  #7502 merged Apr 16, 2025

• Update text format for exact heap types

  #7501 merged Apr 16, 2025

• [NFC] Represent exactness and sharedness with one bit

  #7500 merged Apr 16, 2025

• Update exact reference semantics

  #7499 merged Apr 16, 2025

• Type RefNull as inexact

  #7498 merged Apr 16, 2025

• Expose GC API to Binaryen.JS

  #7466 merged Apr 15, 2025

• Restore exact references

  #7497 merged Apr 15, 2025

• Revert exact HeapTypes

  #7496 merged Apr 15, 2025

• [SIMD] Fix relaxed SIMD in wasm-ctor-eval

  #7495 merged Apr 15, 2025

• OptimizeInstructions: Optimize bool(x) | 1 ==> 1 even with side effects

  #7478 merged Apr 14, 2025

• [EH] Use V8 flag to allow mixed old and new EH [NFC]

  #7484 merged Apr 14, 2025

• [NFC] Add getFallthrough* helpers in OptimizeInstructions

  #7485 merged Apr 10, 2025

• Fuzzer: Improve V8 flags

  #7482 merged Apr 10, 2025

• Fix clang-tidy

  #7476 merged Apr 10, 2025

• [NFC] Clean up pick<HeapType>() calls in fuzzer (v2)

  #7475 merged Apr 9, 2025

• [Outlining] Improve logging

  #7464 merged Apr 9, 2025

• Add support for more source map fields

  #7473 merged Apr 9, 2025

• [Fuzzer] Compare V8 variants

  #7469 merged Apr 9, 2025

• Switch source map parsing to use the JSON parser

  #7467 merged Apr 8, 2025

• OptimizeInstructions: Optimize unsigned(x) < 0 => i32(0) even with side effects

  #7428 merged Apr 8, 2025

• Fix operator precedence in Binaryen.js tests

  #7459 merged Apr 8, 2025

• [Relaxed SIMD] Do not optimize relaxed SIMD

  #7465 merged Apr 8, 2025

• [SIMD] Avoid comparing V8 to other VMs when relaxed SIMD is enabled

  #7461 merged Apr 8, 2025

• [NFC] Add an explicit ModuleRunner.start()

  #7463 merged Apr 7, 2025

• [GC] Fix order of operations in TypeRefiningGUFA: Restrictions must propagate

  #7462 merged Apr 7, 2025

• OptimizeInstructions: Optimize unsigned(x) >= 0 => i32(1) even with side effects

  #7429 merged Apr 7, 2025

• OptimizeInstructions: Optimize x | -1 ==> -1 even with side effects

  #7439 merged Apr 4, 2025

• OptimizeInstructions: Optimize (unsigned)x > -1 ==> i32(0) even with side effects

  #7437 merged Apr 4, 2025

• OptimizeInstructions: Optimize (unsigned)x <= -1 ==> i32(1) even with side effects

  #7436 merged Apr 4, 2025

• ClusterFuzz: Bundle mimalloc

  #7450 merged Apr 4, 2025

• [GC] Fix global handling in TypeRefiningGUFA

  #7451 merged Apr 4, 2025

• Avoid overflow UB in random.cpp

  #7449 merged Apr 4, 2025

• [NFC] Use HeapTypeDef more widely

  #7446 merged Apr 4, 2025

• Use standard type printing for BINARYEN_PRINT_FULL

  #7447 merged Apr 4, 2025

• Add missing SIMD fuzzing

  #7445 merged Apr 3, 2025

• [NFC] Introduce HeapTypeDef and use it for printing

  #7444 merged Apr 3, 2025

• [NFC] printHeapType => printHeapTypeName in Print.cpp

  #7443 merged Apr 3, 2025

• [NFC] Take a HeapType instead of Type in RefFunc::finalize

  #7442 merged Apr 3, 2025

• [GC] Add a TypeRefiningGUFA pass

  #7433 merged Apr 3, 2025

• Parse and emit exact heap types

  #7432 merged Apr 2, 2025

• Allow JS and C to read the start function of a module

  #7424 merged Apr 2, 2025

• Fix typo in fuzz skipping of a test

  #7430 merged Apr 2, 2025

• Stack switching: fix some optimization passes

  #7271 merged Apr 2, 2025

• [GC] RemoveUnusedBrs must not un-refine sent types

  #7421 merged Apr 2, 2025

• [Outlining] Filter in nested control flow

  #7411 merged Apr 1, 2025

• [Strings] Handle encoding in JSON parsing so StringLifting can handle arbitrary custom section content

  #7414 merged Apr 1, 2025

• OptimizeInstructions: Handle all binary and unary expressions emitting zero bits

  #7413 merged Mar 31, 2025

• Allow using mimalloc with dynamic linking

  #7391 merged Mar 29, 2025

• Test StringLowering with a surrogate pair

  #7415 merged Mar 28, 2025

• [Strings] Unescape in JSON parsing, so StringLifting can read escaped strings

  #7410 merged Mar 27, 2025

• Subtyping and LUBs for exact heap types

  #7412 merged Mar 27, 2025

• [Outlining] Insert Unreachable

  #7400 merged Mar 27, 2025

• Initial support for exact heap types

  #7396 merged Mar 27, 2025

• Avoid repeated work in RemoveUnusedModuleElements::addReferences() [NFC]

  #7407 merged Mar 26, 2025

• [Strings] Support the custom section for strings in StringLifting

  #7409 merged Mar 26, 2025

• [Strings] Allow customizing the module name for string constants in StringLifting/Lowering

  #7399 merged Mar 26, 2025

• Use fewer bits for BasicHeapType

  #7404 merged Mar 26, 2025

• Revert exact reference types

  #7402 merged Mar 26, 2025

• [Outlining] Separating Filter Branch & Return Tests

  #7401 merged Mar 26, 2025

• [Outlining] Remove overlapping sequences

  #7146 merged Mar 26, 2025

• [strings] Add a StringLifting pass

  #7389 merged Mar 25, 2025

• Release version 123

  #7394 merged Mar 25, 2025

• [NFC] Fix help text for tools that emit binary

  #7398 merged Mar 25, 2025

• [NFC] Use a lambda instead of a macro in gtest

  #7395 merged Mar 25, 2025

13 Pull requests opened by 8 people

• use Owi to check for equivalence of the fuzzer-generated programs

  #7420 opened Mar 30, 2025

• Update mimalloc to v2.2.3

  #7441 opened Apr 3, 2025

• Optimize binary operators with equal children even if side effect

  #7460 opened Apr 7, 2025

• [Outlining] Add Try/Catch/CatchAll

  #7472 opened Apr 9, 2025

• Add a HeapSnapshotAnalysis pass

  #7486 opened Apr 11, 2025

• [Experimental] Measure the space used by vtable pointers

  #7487 opened Apr 11, 2025

• [Outlining] Add TryTable

  #7504 opened Apr 15, 2025

• OptimizeInstruction: Optimize any boolean & (No overlap with boolean's LSB) ==> 0

  #7505 opened Apr 16, 2025

• Optimize block tails where a dropped br_if's value is redundant

  #7506 opened Apr 16, 2025

• Add Windows 11 arm to ci

  #7517 opened Apr 17, 2025

• Use exactness to optimize GUFA cone depth

  #7538 opened Apr 22, 2025

• [Strings] Automate string lifting and lowering in the optimization pipeline

  #7540 opened Apr 22, 2025

• add `evaluateFunctionExit` for backward analyzer in `monotone-analyzer`

  #7547 opened Apr 24, 2025

36 Issues closed by 5 people

• [Unhoisted] [Binary] [Should fallthrough] load & store order affects the constant propagation in binaryOp

  #7455 closed Apr 24, 2025

• OptimizeInstructions does not optimize divide by zero

  #7471 closed Apr 23, 2025

• Missed optimization for block-trailing constants in if conditions

  #7523 closed Apr 21, 2025

• [Question] Why is wasm-opt -dfo ignoring instructions related to f32 and f64？

  #7514 closed Apr 20, 2025

• `getExpressionInfo` returns a string pointer instead of a JS string when called on a CallIndirect

  #7490 closed Apr 18, 2025

• Binaryen can't parse all spec wasts

  #1138 closed Apr 18, 2025

• Wasm2JS fuzz bug

  #5446 closed Apr 17, 2025

• Peculiar "IR must be flat on return" when modifying returns

  #3407 closed Apr 16, 2025

• Inlining constant globals

  #1621 closed Apr 16, 2025

• Terminology bikeshedding: AST => ?

  #1188 closed Apr 16, 2025

• Document lack of integer "Not" operator

  #1498 closed Apr 16, 2025

• Shared memory text syntax

  #1248 closed Apr 16, 2025

• Latest version (93) missing function: $stackTrace

  #2861 closed Apr 16, 2025

• GetFunctionTable is now gone, what is the favorite way to replace it ?

  #3853 closed Apr 16, 2025

• Failure with optimize

  #6066 closed Apr 16, 2025

• Rehash is ambiguous during emscripten install

  #1181 closed Apr 16, 2025

• 16 different assertion failures in cashew::Parser<cashew::Ref, cashew::DotZeroValueBuilder>

  #2905 closed Apr 16, 2025

• wasm2asm failure on some VMs

  #1575 closed Apr 16, 2025

• Default value of HeapType() is func?

  #4178 closed Apr 16, 2025

• Exposing GC in binaryen.js APIs

  #5921 closed Apr 15, 2025

• Binaryen fails to load module with funcref table

  #7494 closed Apr 15, 2025

• How to make a type nullable/non-nullable?

  #7488 closed Apr 15, 2025

• -O3 Regression: OptimizeInstructions for bool(x) | 1 ==> 1 Skips Side-Effecting expr

  #7477 closed Apr 14, 2025

• `binary/dylink.test` failing on Windows for some reason

  #7474 closed Apr 10, 2025

• wasm-emscripten-finalize doesn't preserve sourcesContent

  #6805 closed Apr 9, 2025

• `-O3` Regression: `OptimizeInstructions` for `unsigned(x) < 0 => i32(0)` Skips Side-Effecting expr

  #7418 closed Apr 8, 2025

• Is there any way to get the module's start function after it has been set?

  #7422 closed Apr 8, 2025

• `-O3` Regression: `OptimizeInstructions` for `unsigned(x) >= 0 => i32(1)` Skips Side-Effecting expr

  #7425 closed Apr 7, 2025

• Unhandled rejection: new ReferenceError("URL is not defined", ...) when running check.py

  #7456 closed Apr 6, 2025

• -O3 Regression: OptimizeInstructions for x | -1 ===> -1 Skips Side-Effecting expr

  #7438 closed Apr 4, 2025

• -O3 Regression: OptimizeInstructions for (unsigned)x > -1 ==> i32(0) Skips Side-Effecting expr

  #7435 closed Apr 4, 2025

• -O3 Regression: OptimizeInstructions for (unsigned)x <= -1 ==> i32(1) Skips Side-Effecting expr

  #7434 closed Apr 4, 2025

• `-O3` Worse than `-O2` in constant propagation & `OptimizeInstructions`

  #7406 closed Mar 31, 2025

• wasm-opt seems to loop (or take hours) when optimizing a 52K program

  #7405 closed Mar 26, 2025

• `-O4` Regression: Worse than `-O3` (Flattening & Phase Ordering)

  #7393 closed Mar 25, 2025

• Compiler warning/note in type-builder.cpp

  #7383 closed Mar 25, 2025

19 Issues opened by 7 people

• `binaryen.js` seems to not longer be maintained

  #7526 opened Apr 18, 2025

• -O2 fails to optimize trivial i32.eqz(i32.const 1) condition like -O1

  #7513 opened Apr 17, 2025

• Generate webassemby binary with DWARF information

  #7503 opened Apr 15, 2025

• [Emitting Zero] [Local Tracking] General rule might not handle unary ne emitting zero bits well

  #7493 opened Apr 14, 2025

• [Emitting Zero] General rule might not handle unary eqz emitting zero bits well

  #7492 opened Apr 14, 2025

• [Unhoisted] [Unary] load & store order affects the constant propagation in unary

  #7491 opened Apr 14, 2025

• [Unhoisted] [Binary] [Might not fallthrough] load & store order affects the constant propagation in binaryOp

  #7489 opened Apr 12, 2025

• O3 fails to const propagation & folding but O2 can

  #7481 opened Apr 10, 2025

• local-cse in O3 introduces side-effecting across structurally isolated sub-trees thus prevent const prop & DCE

  #7470 opened Apr 9, 2025

• O2 regression in optimize-instructions due to coalesceLocals

  #7458 opened Apr 7, 2025

• Provide some way for C & JS to visit and transform module code

  #7457 opened Apr 6, 2025

• O3's late condition deduction and missing DCE prevent dead br_if elimination

  #7454 opened Apr 5, 2025

• Cache locality and speed

  #7453 opened Apr 4, 2025

• local-cse introduces side effects via local.tee, blocking DCE in O3

  #7440 opened Apr 3, 2025

• wrong documentation when using `scripts/fuzz_opt.py --help`

  #7419 opened Mar 30, 2025

• `scripts/fuzz_opt.py` can not be invoked from `scripts/`

  #7417 opened Mar 28, 2025

• Commandline tools and missing -o

  #7408 opened Mar 26, 2025

• Difficulties with internally using refined types

  #7403 opened Mar 26, 2025

• [wasm-merge] Does not print to stdout if `-o` is not specified

  #7397 opened Mar 25, 2025

8 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Add pass to instrument memory.grow instructions

  #7388 commented on Apr 9, 2025 • 14 new comments

• Support try-catch in Asyncify / lower wasm exceptions to MVP

  #5343 commented on Apr 2, 2025 • 0 new comments

• [C API] Some BinaryenString* functions declared in binaryen-c.h without implementation

  #7301 commented on Apr 15, 2025 • 0 new comments

• Table init exprs appear to be unimplemented

  #5628 commented on Apr 21, 2025 • 0 new comments

• Add partial support for -fwasm-exceptions in Asyncify (#5343)

  #5475 commented on Apr 2, 2025 • 0 new comments

• Generate typescript

  #6192 commented on Apr 24, 2025 • 0 new comments

• Embind port

  #7239 commented on Apr 21, 2025 • 0 new comments

• [NFC] Improve wasm-reduce help text

  #7293 commented on Apr 24, 2025 • 0 new comments