[all-commits] [llvm/llvm-project] b9c328: [clang][WebAssembly] Support reftypes & varargs in...

[Hood Chatham via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b9c328480cc5c9fbc2940ce323a8dcb30a042b58
      https://github.com/llvm/llvm-project/commit/b9c328480cc5c9fbc2940ce323a8dcb30a042b58
  Author: Hood Chatham <roberthoodchatham at gmail.com>
  Date:   2025-08-07 (Thu, 07 Aug 2025)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/Sema/SemaWasm.h
    M clang/lib/CodeGen/TargetBuiltins/WebAssembly.cpp
    M clang/lib/Sema/SemaWasm.cpp
    A clang/test/CodeGen/WebAssembly/builtins-test-fp-sig.c
    M clang/test/CodeGen/builtins-wasm.c
    M clang/test/Sema/builtins-wasm.c
    M llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
    M llvm/test/CodeGen/WebAssembly/ref-test-func.ll

  Log Message:
  -----------
  [clang][WebAssembly] Support reftypes & varargs in test_function_pointer_signature (#150921)

I fixed support for varargs functions
(previously it didn't crash but the codegen was incorrect).

I added tests for structs and unions which already work. With the
multivalue abi they crash in the backend, so I added a sema check that
rejects structs and unions for that abi.

It will also crash in the backend if passed an int128 or float128 type.



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