1// WebAssemblyInstrRef.td - WebAssembly reference type codegen --*- tablegen -*- 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8/// 9/// \file 10/// WebAssembly reference type operand codegen constructs. 11/// 12//===----------------------------------------------------------------------===// 13 14multiclass REF_I<WebAssemblyRegClass rc, ValueType vt, string ht> { 15 defm REF_NULL_#rc : I<(outs rc:$dst), (ins), 16 (outs), (ins), 17 [(set rc:$dst, (!cast<Intrinsic>("int_wasm_ref_null_" # ht)))], 18 "ref.null_" # ht # "$dst", 19 "ref.null_" # ht, 20 !cond(!eq(ht, "func") : 0xd070, 21 !eq(ht, "extern") : 0xd06f)>, 22 Requires<[HasReferenceTypes]>; 23 defm SELECT_#rc: I<(outs rc:$dst), (ins rc:$lhs, rc:$rhs, I32:$cond), 24 (outs), (ins), 25 [(set rc:$dst, 26 (select I32:$cond, rc:$lhs, rc:$rhs))], 27 vt#".select\t$dst, $lhs, $rhs, $cond", 28 vt#".select", 0x1b>, 29 Requires<[HasReferenceTypes]>; 30 defm REF_IS_NULL_#rc 31 : I<(outs I32:$dst), (ins rc:$ref), (outs), (ins), 32 [(set I32:$dst, (!cast<Intrinsic>("int_wasm_ref_is_null_" # ht) rc:$ref))], 33 "ref.is_null\t$ref", 34 "ref.is_null", 0xd1>, 35 Requires<[HasReferenceTypes]>; 36} 37 38defm "" : REF_I<FUNCREF, funcref, "func">; 39defm "" : REF_I<EXTERNREF, externref, "extern">; 40 41foreach rc = [FUNCREF, EXTERNREF] in { 42def : Pat<(select (i32 (setne I32:$cond, 0)), rc:$lhs, rc:$rhs), 43 (!cast<Instruction>("SELECT_"#rc) rc:$lhs, rc:$rhs, I32:$cond)>; 44def : Pat<(select (i32 (seteq I32:$cond, 0)), rc:$lhs, rc:$rhs), 45 (!cast<Instruction>("SELECT_"#rc) rc:$rhs, rc:$lhs, I32:$cond)>; 46} 47