| 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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When the expression type is none, it does not seem to be necessary to
make it a prelude and insert a nop. This also results in unnecessary
blocks that contains an expression with a nop, which can be reduced to
just the expression. This also adds some newlines to improve
readability.
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According to the current spec, `local.tee`'s return type should be the
same as its local's type. (Discussions on whether we should change this
rule is going on in WebAssembly/reference-types#55, but here I will
assume this spec does not change. If this changes, we should change many
parts of Binaryen transformation anyway...)
But currently in Binaryen `local.tee`'s type is computed from its
value's type. This didn't make any difference in the MVP, but after we
have subtype relationship in #2451, this can become a problem. For
example:
```
(func $test (result funcref) (local $0 anyref)
(local.tee $0
(ref.func $test)
)
)
```
This shouldn't validate in the spec, but this will pass Binaryen
validation with the current `local.tee` implementation.
This makes `local.tee`'s type computed from the local's type, and makes
`LocalSet::makeTee` get a type parameter, to which we should pass the
its corresponding local's type. We don't embed the local type in the
class `LocalSet` because it may increase memory size.
This also fixes the type of `local.get` to be the local type where
`local.get` and `local.set` pair is created from `local.tee`.
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This works more like llvm's unreachable handler in that is preserves
information even in release builds.
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Adds the ability to create multivalue types from vectors of concrete value
types. All types are transparently interned, so their representation is still a
single uint32_t. Types can be extracted into vectors of their component parts,
and all the single value types expand into vectors containing themselves.
Multivalue types are not yet used in the IR, but their creation and inspection
functionality is exposed and tested in the C and JS APIs.
Also makes common type predicates methods of Type and improves the ergonomics of
type printing.
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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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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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Fixes #2007 #2008
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Automated renaming according to
https://github.com/WebAssembly/spec/issues/884#issuecomment-426433329.
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* Switch optimizations in remove-unused-brs: thread switch jumps, and turn a switch with all identical targets into a br
* refinalize in interm operations in remove-unused-brs, as we can be confused by it
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* rename WasmType to Type. it's in the wasm:: namespace anyhow, and without Wasm- it fits in better alongside Index, Address, Expression, Module, etc.
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* flatten tee_local in flatten, as it leads to more-optimizable code (tee_local, when nested, can introduce side effects in bad places).
* also fix some test stuff from recent merges
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The IR is indeed a tree, but not an "abstract syntax tree" since there is no language for which it is the syntax (except in the most trivial and meaningless sense).
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Rename flatten-control-flow to flatten, which now flattens everything, not just control flow, so e.g.
(i32.add
(call $x)
(call $y)
)
==>
(block
(set_local $temp_x (call $x))
(set_local $temp_y (call $y))
(i32.add
(get_local $x)
(get_local $y)
)
)
This uses more locals than before, but is much simpler and avoids a bunch of corner cases and fuzz bugs the old one hit. We can optimize later if necessary.
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