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Also includes a lot of new spec tests that eventually need to go into the spec repo
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As a follow-up to https://github.com/WebAssembly/binaryen/pull/3012#pullrequestreview-459686171 this PR prepares for the new compound Signature, Struct and Array types that are single but not basic.
This includes:
* Renames `Type::getSingle` to `Type::getBasic` (NFC). Previously, its name was not representing its implementation (`isSingle` excluded `none` and `unreachable` while `getSingle` didn't, i.e. `getSingle` really was `getBasic`). Note that a hypothetical `Type::getSingle` cannot return `ValueType` anyway (new compound types are single but don't map to `ValueType`), so I figured it's best to skip implementing it until we actually need it.
* Marks locations where we are (still) assuming that all single types are basic types, as suggested in https://github.com/WebAssembly/binaryen/pull/3012#discussion_r465356708, but using a macro, so we get useful errors once we start implementing the new types and can quickly traverse the affected locations.
The macro is added where
* there used to be a `switch (type.getSingle())` or similar that handled any basic type (NFC), but in the future will also have to handle single types that are not basic types.
* we are not dealing with `Unary`, `Binary`, `Load`, `Store` or `AtomicXY` instructions, since these don't deal with compound types anyway.
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* Remove implicit conversion operators from Type
Now types must be explicitly converted to uint32_t with Type::getID or
to ValueType with Type::getVT. This fixes #2572 for switches that use
Type::getVT.
* getVT => getSingle
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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.
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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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* Make the memory instrumentation pass log both pointers and values.
* Use "env" as the import module - simpler to support and get working.
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Fixes #1649
This moves us to a single object for functions, which can be imported or nor, and likewise for globals (as a result, GetGlobals do not need to check if the global is imported or not, etc.). All imported things now inherit from Importable, which has the module and base of the import, and if they are set then it is an import.
For convenient iteration, there are a few helpers like
ModuleUtils::iterDefinedGlobals(wasm, [&](Global* global) {
.. use global ..
});
as often iteration only cares about imported or defined (non-imported) things.
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* Teach EffectAnalyzer not to reorder atomics wrt other memory operations.
* Teach EffectAnalyzer not to reorder host operations with memory operations
* Teach various passes about the operands of AtomicRMW and AtomicCmpxchg
* Factor out some functions in DeadCodeElimination and MergeBlocks
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* Add pass to instrument loads / stores
* Simplify instrumentation.
* Document.
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