llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyInstrCall.td

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TableGen

//===- WebAssemblyInstrCall.td-WebAssembly Call codegen support -*- tablegen -*-
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief WebAssembly Call operand code-gen constructs.
///
//===----------------------------------------------------------------------===//
// The call sequence start/end LLVM-isms isn't useful to WebAssembly since it's
// a virtual ISA.
let isCodeGenOnly = 1 in {
def : I<(outs), (ins i64imm:$amt),
[(WebAssemblycallseq_start timm:$amt)]>;
def : I<(outs), (ins i64imm:$amt1, i64imm:$amt2),
[(WebAssemblycallseq_end timm:$amt1, timm:$amt2)]>;
} // isCodeGenOnly = 1
multiclass CALL<WebAssemblyRegClass vt> {
def CALL_#vt : I<(outs vt:$dst), (ins global:$callee, variable_ops),
[(set vt:$dst, (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee)))],
"call \t$callee, $dst">;
def CALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops),
[(set vt:$dst, (WebAssemblycall1 I32:$callee))],
"call_indirect\t$callee, $dst">;
}
let Uses = [SP32, SP64], isCall = 1 in {
defm : CALL<I32>;
defm : CALL<I64>;
defm : CALL<F32>;
defm : CALL<F64>;
def CALL_VOID : I<(outs), (ins global:$callee, variable_ops),
[(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee))],
"call \t$callee">;
def CALL_INDIRECT_VOID : I<(outs), (ins I32:$callee, variable_ops),
[(WebAssemblycall0 I32:$callee)],
"call_indirect\t$callee">;
} // Uses = [SP32,SP64], isCall = 1