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e8be0ee828
Reland of 31859f896. This change implements new DAG notes GLOBAL_GET/GLOBAL_SET, and lowering methods for load and stores of reference types from IR globals. Once the lowering creates the new nodes, tablegen pattern matches those and converts them to Wasm global.get/set. Reviewed By: tlively Differential Revision: https://reviews.llvm.org/D104797
77 lines
3.2 KiB
TableGen
77 lines
3.2 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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multiclass TABLE<WebAssemblyRegClass rt> {
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let mayLoad = 1 in
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defm TABLE_GET_#rt : I<(outs rt:$res), (ins table32_op:$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_#rt : I<(outs), (ins table32_op:$table, I32:$i, rt:$val),
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(outs), (ins table32_op:$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_#rt : I<(outs I32:$sz), (ins table32_op:$table, rt:$val, I32:$n),
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(outs), (ins table32_op:$table),
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[],
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"table.grow\t$sz, $table, $val, $n",
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"table.grow\t$table",
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0xfc0f>;
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defm TABLE_FILL_#rt : I<(outs), (ins table32_op:$table, I32:$i, rt:$val, I32:$n),
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(outs), (ins table32_op:$table),
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[],
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"table.fill\t$table, $i, $val, $n",
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"table.fill\t$table",
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0xfc11>;
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}
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defm "" : TABLE<FUNCREF>, Requires<[HasReferenceTypes]>;
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defm "" : TABLE<EXTERNREF>, Requires<[HasReferenceTypes]>;
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def wasm_table_set_t : SDTypeProfile<0, 3, []>;
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def wasm_table_set : SDNode<"WebAssemblyISD::TABLE_SET", wasm_table_set_t,
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[SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
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def : Pat<(wasm_table_set i32:$table, i32:$idx, funcref:$r),
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(TABLE_SET_FUNCREF i32:$table, i32:$idx, funcref:$r)>,
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Requires<[HasReferenceTypes]>;
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def : Pat<(wasm_table_set i32:$table, i32:$idx, externref:$r),
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(TABLE_SET_EXTERNREF i32:$table, i32:$idx, externref:$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:$table),
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[],
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"table.size\t$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:$table2),
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[],
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"table.copy\t$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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