Paulo Matos 890146b192 [WebAssembly] Initial support for reference type externref in clang ...

This patch introduces a new type __externref_t that denotes a WebAssembly opaque
reference type. It also implements builtin __builtin_wasm_ref_null_extern(),
that returns a null value of __externref_t. This lays the ground work
for further builtins and reference types.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D122215

2023-02-17 18:48:48 -08:00

190 KiB

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