forked from OSchip/llvm-project
90 lines
4.2 KiB
TableGen
90 lines
4.2 KiB
TableGen
// WebAssemblyInstrTable.td - WebAssembly Table codegen support -*- tablegen -*-
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// WebAssembly Table operand code-gen constructs.
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/// Instructions that handle tables
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//===----------------------------------------------------------------------===//
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def WebAssemblyTableSet_t : SDTypeProfile<0, 3, [SDTCisPtrTy<1>]>;
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def WebAssemblyTableSet : SDNode<"WebAssemblyISD::TABLE_SET", WebAssemblyTableSet_t,
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[SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
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def WebAssemblyTableGet_t : SDTypeProfile<1, 2, [SDTCisPtrTy<1>]>;
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def WebAssemblyTableGet : SDNode<"WebAssemblyISD::TABLE_GET", WebAssemblyTableGet_t,
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[SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
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multiclass TABLE<WebAssemblyRegClass rc, string suffix> {
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let mayLoad = 1 in
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defm TABLE_GET_#rc : I<(outs rc:$res), (ins table32_op:$table, I32:$i),
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(outs), (ins table32_op:$table),
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[],
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"table.get\t$res, $table, $i",
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"table.get\t$table",
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0x25>;
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let mayStore = 1 in
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defm TABLE_SET_#rc : I<(outs), (ins table32_op:$table, I32:$i, rc:$val),
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(outs), (ins table32_op:$table),
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[],
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"table.set\t$table, $i, $val",
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"table.set\t$table",
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0x26>;
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defm TABLE_GROW_#rc : I<(outs I32:$sz), (ins table32_op:$table, rc:$val, I32:$n),
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(outs), (ins table32_op:$table),
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[(set I32:$sz, (!cast<Intrinsic>("int_wasm_table_grow_" # suffix) (WebAssemblyWrapper tglobaladdr:$table), rc:$val, I32:$n))],
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"table.grow\t$sz, $table, $val, $n",
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"table.grow\t$table",
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0xfc0f>;
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defm TABLE_FILL_#rc : I<(outs), (ins table32_op:$table, I32:$i, rc:$val, I32:$n),
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(outs), (ins table32_op:$table),
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[(!cast<Intrinsic>("int_wasm_table_fill_" # suffix) (WebAssemblyWrapper tglobaladdr:$table), I32:$i, rc:$val, I32:$n)],
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"table.fill\t$table, $i, $val, $n",
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"table.fill\t$table",
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0xfc11>;
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foreach vt = rc.RegTypes in {
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def : Pat<(vt (WebAssemblyTableGet (WebAssemblyWrapper tglobaladdr:$table), i32:$idx)),
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(!cast<NI>("TABLE_GET_" # rc) tglobaladdr:$table, i32:$idx)>;
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def : Pat<(WebAssemblyTableSet
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(WebAssemblyWrapper tglobaladdr:$table),
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i32:$idx,
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vt:$src),
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(!cast<NI>("TABLE_SET_" # rc) tglobaladdr:$table, i32:$idx, vt:$src)>;
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}
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}
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defm "" : TABLE<FUNCREF, "funcref">, Requires<[HasReferenceTypes]>;
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defm "" : TABLE<EXTERNREF, "externref">, Requires<[HasReferenceTypes]>;
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def : Pat<(WebAssemblyTableSet mcsym:$table, i32:$idx, funcref:$r),
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(TABLE_SET_FUNCREF mcsym:$table, i32:$idx, funcref:$r)>,
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Requires<[HasReferenceTypes]>;
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defm TABLE_SIZE : I<(outs I32:$sz), (ins table32_op:$table),
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(outs), (ins table32_op:$table),
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[(set I32:$sz, (int_wasm_table_size (WebAssemblyWrapper tglobaladdr:$table)))],
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"table.size\t$sz, $table",
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"table.size\t$table",
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0xfc10>,
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Requires<[HasReferenceTypes]>;
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defm TABLE_COPY : I<(outs), (ins table32_op:$table1, table32_op:$table2, I32:$d, I32:$s, I32:$n),
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(outs), (ins table32_op:$table1, table32_op:$table2),
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[(int_wasm_table_copy (WebAssemblyWrapper tglobaladdr:$table1),
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(WebAssemblyWrapper tglobaladdr:$table2),
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I32:$d, I32:$s, I32:$n)],
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"table.copy\t$table1, $table2, $d, $s, $n",
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"table.copy\t$table1, $table2",
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0xfc0e>,
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Requires<[HasReferenceTypes]>;
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