[PATCH] D51082: [WebAssembly] Arbitrary BUILD_VECTOR and remove i64x2.mul

[Thomas Lively via Phabricator via llvm-commits]

tlively created this revision.
tlively added reviewers: aheejin, dschuff.
Herald added subscribers: llvm-commits, sunfish, jgravelle-google, sbc100.

This CL adds support for arbitrary BUILD_VECTORS, i.e. not splats and
not consts. This is the last feature needed to properly lower v2i64
multiplies without a i64x2.mul instruction (which is not in the spec),
so i64x2.mul is removed as well.


Repository:
  rL LLVM

https://reviews.llvm.org/D51082

Files:
  lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
  lib/Target/WebAssembly/WebAssemblyInstrFormats.td
  lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
  test/CodeGen/WebAssembly/simd-arith.ll
  test/CodeGen/WebAssembly/simd.ll

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