[PATCH] D122215: [WebAssembly] Initial support for reference types in clang

[Paulo Matos via Phabricator via cfe-commits]

pmatos created this revision.
pmatos added reviewers: tlively, asb.
Herald added subscribers: StephenFan, wingo, dexonsmith, ecnelises, arphaman, martong, sunfish, hiraditya, jgravelle-google, sbc100, dschuff.
Herald added a reviewer: shafik.
Herald added a reviewer: aaron.ballman.
Herald added a project: All.
pmatos requested review of this revision.
Herald added subscribers: llvm-commits, cfe-commits, aheejin.
Herald added projects: clang, LLVM.

This patch defines a builtin type externref and represents a
funcref as a function pointer with the attribute funcref. As a test
it implements builtins __builtin_wasm_ref_null_func() and
__builtin_wasm_ref_null_extern(). Considerations about alloca address
spaces will come in a followup patch.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122215

Files:
  clang/include/clang/AST/ASTContext.h
  clang/include/clang/AST/Type.h
  clang/include/clang/AST/TypeProperties.td
  clang/include/clang/Basic/Attr.td
  clang/include/clang/Basic/Builtins.def
  clang/include/clang/Basic/BuiltinsWebAssembly.def
  clang/include/clang/Basic/WebAssemblyReferenceTypes.def
  clang/include/clang/Serialization/ASTBitCodes.h
  clang/include/clang/module.modulemap
  clang/lib/AST/ASTContext.cpp
  clang/lib/AST/ASTImporter.cpp
  clang/lib/AST/ExprConstant.cpp
  clang/lib/AST/ItaniumMangle.cpp
  clang/lib/AST/MicrosoftMangle.cpp
  clang/lib/AST/NSAPI.cpp
  clang/lib/AST/PrintfFormatString.cpp
  clang/lib/AST/Type.cpp
  clang/lib/AST/TypeLoc.cpp
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/CodeGen/CGDebugInfo.cpp
  clang/lib/CodeGen/CGDebugInfo.h
  clang/lib/CodeGen/CodeGenTypes.cpp
  clang/lib/CodeGen/ItaniumCXXABI.cpp
  clang/lib/CodeGen/TargetInfo.cpp
  clang/lib/CodeGen/TargetInfo.h
  clang/lib/Index/USRGeneration.cpp
  clang/lib/Sema/Sema.cpp
  clang/lib/Sema/SemaExpr.cpp
  clang/lib/Serialization/ASTCommon.cpp
  clang/lib/Serialization/ASTReader.cpp
  clang/test/CodeGen/WebAssembly/wasm-externref.c
  clang/test/CodeGen/WebAssembly/wasm-funcref.c
  clang/test/CodeGen/builtins-wasm.c
  clang/test/CodeGenCXX/wasm-reftypes-mangle.cpp
  clang/test/CodeGenCXX/wasm-reftypes-typeinfo.cpp
  clang/tools/libclang/CIndex.cpp
  llvm/include/llvm/IR/Type.h
  llvm/lib/CodeGen/ValueTypes.cpp
  llvm/lib/IR/Type.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp

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