forked from OSchip/llvm-project
180 lines
8.0 KiB
TableGen
180 lines
8.0 KiB
TableGen
//===- WebAssemblyInstrCall.td-WebAssembly Call 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 Call operand code-gen constructs.
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///
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//===----------------------------------------------------------------------===//
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// TODO: addr64: These currently assume the callee address is 32-bit.
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// FIXME: add $type to first call_indirect asmstr (and maybe $flags)
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// Call sequence markers. These have an immediate which represents the amount of
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// stack space to allocate or free, which is used for varargs lowering.
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let Uses = [SP32, SP64], Defs = [SP32, SP64], isCodeGenOnly = 1 in {
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defm ADJCALLSTACKDOWN : NRI<(outs), (ins i32imm:$amt, i32imm:$amt2),
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[(WebAssemblycallseq_start timm:$amt, timm:$amt2)]>;
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defm ADJCALLSTACKUP : NRI<(outs), (ins i32imm:$amt, i32imm:$amt2),
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[(WebAssemblycallseq_end timm:$amt, timm:$amt2)]>;
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} // Uses = [SP32, SP64], Defs = [SP32, SP64], isCodeGenOnly = 1
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multiclass CALL<ValueType vt, WebAssemblyRegClass rt, string prefix,
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list<Predicate> preds = []> {
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defm CALL_#vt :
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I<(outs rt:$dst), (ins function32_op:$callee, variable_ops),
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(outs), (ins function32_op:$callee),
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[(set (vt rt:$dst), (WebAssemblycall1 (i32 imm:$callee)))],
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!strconcat(prefix, "call\t$dst, $callee"),
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!strconcat(prefix, "call\t$callee"),
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0x10>,
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Requires<preds>;
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let isCodeGenOnly = 1 in
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defm PCALL_INDIRECT_#vt :
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I<(outs rt:$dst), (ins I32:$callee, variable_ops),
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(outs), (ins I32:$callee),
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[(set (vt rt:$dst), (WebAssemblycall1 I32:$callee))],
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"PSEUDO CALL INDIRECT\t$callee",
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"PSEUDO CALL INDIRECT\t$callee">,
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Requires<preds>;
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defm CALL_INDIRECT_#vt :
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I<(outs rt:$dst),
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(ins TypeIndex:$type, i32imm:$flags, variable_ops),
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(outs), (ins TypeIndex:$type, i32imm:$flags),
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[],
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!strconcat(prefix, "call_indirect\t$dst"),
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!strconcat(prefix, "call_indirect\t$type"),
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0x11>,
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Requires<preds>;
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}
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let Uses = [SP32, SP64], isCall = 1 in {
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defm "" : CALL<i32, I32, "i32.">;
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defm "" : CALL<i64, I64, "i64.">;
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defm "" : CALL<f32, F32, "f32.">;
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defm "" : CALL<f64, F64, "f64.">;
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defm "" : CALL<ExceptRef, EXCEPT_REF, "except_ref.", [HasExceptionHandling]>;
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defm "" : CALL<v16i8, V128, "v128.", [HasSIMD128]>;
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defm "" : CALL<v8i16, V128, "v128.", [HasSIMD128]>;
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defm "" : CALL<v4i32, V128, "v128.", [HasSIMD128]>;
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defm "" : CALL<v2i64, V128, "v128.", [HasSIMD128]>;
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defm "" : CALL<v4f32, V128, "v128.", [HasSIMD128]>;
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defm "" : CALL<v2f64, V128, "v128.", [HasSIMD128]>;
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let IsCanonical = 1 in {
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defm CALL_VOID :
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I<(outs), (ins function32_op:$callee, variable_ops),
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(outs), (ins function32_op:$callee),
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[(WebAssemblycall0 (i32 imm:$callee))],
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"call \t$callee", "call\t$callee", 0x10>;
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let isReturn = 1 in
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defm RET_CALL :
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I<(outs), (ins function32_op:$callee, variable_ops),
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(outs), (ins function32_op:$callee),
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[(WebAssemblyretcall (i32 imm:$callee))],
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"return_call \t$callee", "return_call\t$callee", 0x12>,
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Requires<[HasTailCall]>;
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let isCodeGenOnly = 1 in
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defm PCALL_INDIRECT_VOID :
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I<(outs), (ins I32:$callee, variable_ops),
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(outs), (ins I32:$callee),
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[(WebAssemblycall0 I32:$callee)],
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"PSEUDO CALL INDIRECT\t$callee",
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"PSEUDO CALL INDIRECT\t$callee">;
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defm CALL_INDIRECT_VOID :
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I<(outs), (ins TypeIndex:$type, i32imm:$flags, variable_ops),
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(outs), (ins TypeIndex:$type, i32imm:$flags),
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[],
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"call_indirect\t", "call_indirect\t$type",
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0x11>;
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let isReturn = 1 in
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defm RET_CALL_INDIRECT :
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I<(outs), (ins TypeIndex:$type, i32imm:$flags, variable_ops),
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(outs), (ins TypeIndex:$type, i32imm:$flags),
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[],
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"return_call_indirect\t", "return_call_indirect\t$type",
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0x13>,
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Requires<[HasTailCall]>;
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let isCodeGenOnly = 1, isReturn = 1 in
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defm PRET_CALL_INDIRECT:
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I<(outs), (ins I32:$callee, variable_ops),
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(outs), (ins I32:$callee),
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[(WebAssemblyretcall I32:$callee)],
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"PSEUDO RET_CALL INDIRECT\t$callee",
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"PSEUDO RET_CALL INDIRECT\t$callee">,
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Requires<[HasTailCall]>;
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} // IsCanonical = 1
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} // Uses = [SP32,SP64], isCall = 1
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// Patterns for matching a direct call to a global address.
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def : Pat<(i32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_i32 tglobaladdr:$callee)>;
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def : Pat<(i64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_i64 tglobaladdr:$callee)>;
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def : Pat<(f32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_f32 tglobaladdr:$callee)>;
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def : Pat<(f64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_f64 tglobaladdr:$callee)>;
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def : Pat<(v16i8 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_v16i8 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v8i16 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_v8i16 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v4i32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_v4i32 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v2i64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_v2i64 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v4f32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_v4f32 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v2f64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_v2f64 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(ExceptRef
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(WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
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(CALL_ExceptRef tglobaladdr:$callee)>,
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Requires<[HasExceptionHandling]>;
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def : Pat<(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee)),
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(CALL_VOID tglobaladdr:$callee)>;
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def : Pat<(WebAssemblyretcall (WebAssemblywrapper tglobaladdr:$callee)),
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(RET_CALL tglobaladdr:$callee)>, Requires<[HasTailCall]>;
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// Patterns for matching a direct call to an external symbol.
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def : Pat<(i32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_i32 texternalsym:$callee)>;
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def : Pat<(i64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_i64 texternalsym:$callee)>;
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def : Pat<(f32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_f32 texternalsym:$callee)>;
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def : Pat<(f64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_f64 texternalsym:$callee)>;
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def : Pat<(v16i8 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_v16i8 texternalsym:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v8i16 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_v8i16 texternalsym:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v4i32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_v4i32 texternalsym:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v2i64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_v2i64 texternalsym:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v4f32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_v4f32 texternalsym:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(v2f64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_v2f64 texternalsym:$callee)>, Requires<[HasSIMD128]>;
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def : Pat<(ExceptRef
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(WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
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(CALL_ExceptRef texternalsym:$callee)>,
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Requires<[HasExceptionHandling]>;
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def : Pat<(WebAssemblycall0 (WebAssemblywrapper texternalsym:$callee)),
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(CALL_VOID texternalsym:$callee)>;
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def : Pat<(WebAssemblyretcall (WebAssemblywrapper texternalsym:$callee)),
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(RET_CALL texternalsym:$callee)>, Requires<[HasTailCall]>;
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