[PATCH] D140773: [WebAssembly] Use `shufflevector` for shuffle

[Petr Penzin via Phabricator via llvm-commits]

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Back out D66983 <https://reviews.llvm.org/D66983>, "[WebAssembly] Add wasm-specific vector shuffle builtin and
intrinsic".

      

Fix shuffle intrinsic tests. Since they are compiled with -O2 masks need to be
updated as well, otherwise optimizer would replace second operand with
`poison`.

      

Fix shuffle codegen tests. They require some mask updates to avoid invalid
`shufflevector` use and to make sure both operands get picked up.

      

This reverts commit 8e3e56f2a36701480eeb65e426701d5a9025cc59 <https://reviews.llvm.org/rG8e3e56f2a36701480eeb65e426701d5a9025cc59>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D140773

Files:
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/Headers/wasm_simd128.h
  clang/test/CodeGen/builtins-wasm.c
  clang/test/Headers/wasm.c
  llvm/include/llvm/IR/IntrinsicsWebAssembly.td
  llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
  llvm/test/CodeGen/WebAssembly/simd-intrinsics.ll

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