NewFrontendCompiler returns a frontend Compiler.

SignatureForListener returns the signatures for the listener functions.

SignatureForWasmFunctionType returns the ssa.Signature for the given wasm.FunctionType.

WasmTypeToSSAType converts wasm.ValueType to ssa.Type.

Compiler is in charge of lowering Wasm to SSA IR, and does the optimization on top of it in architecture-independent way.