Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td

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+// WebAssemblyInstrSIMD.td - WebAssembly SIMD codegen support -*- tablegen -*-//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief WebAssembly SIMD operand code-gen constructs.
+///
+//===----------------------------------------------------------------------===//
+
+let isCommutable = 1 in {
+defm ADD : SIMDBinary<add, fadd, "add ">;
+defm MUL: SIMDBinary<mul, fmul, "mul ">;
+} // isCommutable = 1
+defm SUB: SIMDBinary<sub, fsub, "sub ">;