binaryen

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juj

The name of the import object might not always be "env" (e.g. when Emscripten minifies the import name to a shorter string "a"). Adjust LogExecution pass to discover the import...

juj

wasm-opt doesn't support loops with parameters

12

Assemble the following with `wabt`'s `wat2wasm`: ```wat (module (func (param i32 i32) (i32.const 0) (loop $loop (param i32) (if (then (local.set 0 (i32.add (local.get 0) (i32.const 2))))) (block (local.set 1...

rockwalrus

--spill-pointers fails on program

6

Below is a simple(ish) sudoku solver. `emcc a.cpp -o a.html` produces a working program. If I then add `wasm-opt a.wasm --spill-pointers -o a.wasm` I get `Uncaught RuntimeError: indirect call to...

ChrisJefferson

Reference types crash wasm-opt‘s asyncify pass

17

```wat (module (type (;0;) (func)) (type (;1;) (func (result externref))) (import "gl" "createProgram" (func $src/asc/gl/createProgram (type 1))) (func $src/asc/lemonsoda/init (type 0) call $src/asc/gl/createProgram drop ) (export "init" (func $src/asc/lemonsoda/init)) )...

surma

In https://github.com/WebAssembly/binaryen/blob/fc00dcc64c337a8128fbf2b5fbdb40bb0aaa861b/src/passes/I64ToI32Lowering.cpp#L548-L584 there are assumptions made that are unsafe for multithreaded Wasm2JS builds. The memory address zero could be trashed by other threads when they are reinterpreted as float64/int64. Also...

juj

Inlining breaks asyncify

2

While reading @kripken 's [post on asyncify](https://kripken.github.io/blog/wasm/2019/07/16/asyncify.html), I gave the test case shown a go: ``` (memory 1 1) (import "spectest" "print" (func $print (param i32))) (import "asyncify" "start_unwind" (func...

pmatos

How to reduce test cases down (llvm-reduce support for wasm object files?)

7

I am looking at reducing a large wasm test case down (hundreds of .o files, see https://github.com/llvm/llvm-project/issues/55111 ) to the smallest repro part. If the test case is LLVM IR,...

juj

Allow more parallel work in dead argument eliminiation

17

Take more advantage of DAEScanner threading by aggregating calls to function as they are scanned opposed to tracking the calls a function makes and then aggregating in another pass. This...

arsnyder16

wasm-opt performance

16

I am working what would expect to be a rather large c++ code based and compiling for webassembly One thing i have noticed during the process is the performance of...

arsnyder16