| // WebAssemblyInstrRef.td - WebAssembly reference type codegen --*- tablegen -*- |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// WebAssembly reference type operand codegen constructs. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| multiclass REF_I<WebAssemblyRegClass rc, ValueType vt> { |
| defm REF_NULL_#rc : I<(outs rc:$res), (ins HeapType:$heaptype), |
| (outs), (ins HeapType:$heaptype), |
| [], |
| "ref.null\t$res, $heaptype", |
| "ref.null\t$heaptype", |
| 0xd0>, |
| Requires<[HasReferenceTypes]>; |
| defm SELECT_#rc: I<(outs rc:$dst), (ins rc:$lhs, rc:$rhs, I32:$cond), |
| (outs), (ins), |
| [(set rc:$dst, |
| (select I32:$cond, rc:$lhs, rc:$rhs))], |
| vt#".select\t$dst, $lhs, $rhs, $cond", |
| vt#".select", 0x1b>, |
| Requires<[HasReferenceTypes]>; |
| } |
| |
| defm "" : REF_I<FUNCREF, funcref>; |
| defm "" : REF_I<EXTERNREF, externref>; |
| |
| foreach rc = [FUNCREF, EXTERNREF] in { |
| def : Pat<(select (i32 (setne I32:$cond, 0)), rc:$lhs, rc:$rhs), |
| (!cast<Instruction>("SELECT_"#rc) rc:$lhs, rc:$rhs, I32:$cond)>; |
| def : Pat<(select (i32 (seteq I32:$cond, 0)), rc:$lhs, rc:$rhs), |
| (!cast<Instruction>("SELECT_"#rc) rc:$rhs, rc:$lhs, I32:$cond)>; |
| } |