| Commit message (Collapse) | Author | Age | Files | Lines |
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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.
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This optimizes stuff like
(global.set $x (i32.const 123))
(global.get $x)
into
(global.set $x (i32.const 123))
(i32.const 123)
This doesn't help much with LLVM output as it's rare to use globals (except for the stack pointer, and that's already well optimized), but it may help on general wasm. It can also help with Asyncify that does use globals extensively.
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(global $g1 (mut i32) (i32.const 42))
(global $g2 i32 (global.get $g1))
can be optimized to
(global $g1 (mut i32) (i32.const 42))
(global $g2 i32 (i32.const 42))
even though $g1 is mutable - because it can't be mutated during module instantiation.
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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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- Reflected new renamed instruction names in code and tests:
- `get_local` -> `local.get`
- `set_local` -> `local.set`
- `tee_local` -> `local.tee`
- `get_global` -> `global.get`
- `set_global` -> `global.set`
- `current_memory` -> `memory.size`
- `grow_memory` -> `memory.grow`
- Removed APIs related to old instruction names in Binaryen.js and added
APIs with new names if they are missing.
- Renamed `typedef SortedVector LocalSet` to `SetsOfLocals` to prevent
name clashes.
- Resolved several TODO renaming items in wasm-binary.h:
- `TableSwitch` -> `BrTable`
- `I32ConvertI64` -> `I32WrapI64`
- `I64STruncI32` -> `I64SExtendI32`
- `I64UTruncI32` -> `I64UExtendI32`
- `F32ConvertF64` -> `F32DemoteI64`
- `F64ConvertF32` -> `F64PromoteF32`
- Renamed `BinaryenGetFeatures` and `BinaryenSetFeatures` to
`BinaryenModuleGetFeatures` and `BinaryenModuleSetFeatures` for
consistency.
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If a global is marked mutable but not assigned to, make it immutable.
If an immutable global is a copy of another, use the original, so we can remove the duplicates.
Fixes #2011
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