[PATCH] D45297: [WebAssembly] Allow for the creation of user-defined custom sections

[Sam Clegg via Phabricator via llvm-commits]

sbc100 created this revision.
Herald added subscribers: llvm-commits, sunfish, aheejin, jgravelle-google, dschuff, jfb.

This patch adds a way for users to create their own custom sections to
be added to wasm files. At the LLVM IR layer, they are defined through
the "wasm.custom_sections" named metadata. The expected use case for
this is bindings generators such as wasm-bindgen.

Patch by Dan Gohman


Repository:
  rL LLVM

https://reviews.llvm.org/D45297

Files:
  lib/MC/WasmObjectWriter.cpp
  lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
  test/CodeGen/WebAssembly/custom-sections.ll
  test/MC/WebAssembly/custom-sections.ll

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