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//===- 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.
// FIXME make noop?
//def : Pat<(WebAssemblycallseq_start timm), (i32 (IMPLICIT_DEF))>;
//def : Pat<(WebAssemblycallseq_end timm, timm), (i32 (IMPLICIT_DEF))>;
def SDT_WebAssemblyCallSeqStart : SDCallSeqStart<[SDTCisVT<0, iPTR>]>;
def SDT_WebAssemblyCallSeqEnd :
SDCallSeqEnd<[SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
def WebAssemblycallseq_start :
SDNode<"ISD::CALLSEQ_START", SDT_WebAssemblyCallSeqStart,
[SDNPHasChain, SDNPOutGlue]>;
def WebAssemblycallseq_end :
SDNode<"ISD::CALLSEQ_END", SDT_WebAssemblyCallSeqEnd,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def : Pseudo<(outs), (ins i64imm:$amt),
[(WebAssemblycallseq_start timm:$amt)],
"#ADJCALLSTACKDOWN $amt">;
def : Pseudo<(outs), (ins i64imm:$amt1, i64imm:$amt2),
[(WebAssemblycallseq_end timm:$amt1, timm:$amt2)],
"#ADJCALLSTACKUP $amt1 $amt2">;
/*
* TODO(jfb): Add the following.
*
* call_direct: call function directly
* call_indirect: call function indirectly
* addressof: obtain a function pointer value for a given function
*/
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