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wasmtime/cranelift/wasmtests/multi-13.wat
Nick Fitzgerald 10be3e4ba8 cranelift-wasm: support multi-value Wasm (#1049)
This commit introduces initial support for multi-value Wasm. Wasm blocks and
calls can now take and return an arbitrary number of values.

The encoding for multi-value blocks means that we need to keep the contents of
the "Types" section around when translating function bodies. To do this, we
introduce a `WasmTypesMap` type that maps the type indices to their parameters
and returns, construct it when parsing the "Types" section, and shepherd it
through a bunch of functions and methods when translating function bodies.
2019-10-02 12:40:35 -07:00

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(module
(func (export "as-if-then") (param i32 i32) (result i32)
(block (result i32)
(if (result i32) (local.get 0)
(then (br 1 (i32.const 3)))
(else (local.get 1))
)
)
)
)