[PATCH] D101883: [WebAssembly] Update SIMD builtin function operand types

[Thomas Lively via Phabricator via cfe-commits]

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- Add `const` to the pointer operands of load builtins.
- Make the inputs to all narrowing builtins signed, which is how they are interpreted by the underlying instructions (only the result changes sign between instructions).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D101883

Files:
  clang/include/clang/Basic/BuiltinsWebAssembly.def
  clang/test/CodeGen/builtins-wasm.c

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