[PATCH] D107103: [WebAssembly] Compute known bits for SIMD bitmask intrinsics

[Thomas Lively via Phabricator via llvm-commits]

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This optimizes out the mask when the result of a bitmask is interpreted as an i8
or i16 value. Resolves PR50507.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D107103

Files:
  llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h
  llvm/test/CodeGen/WebAssembly/simd-bitmask-mask.ll

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