15ca0bacaSJF Bastien//===- WebAssemblyInstrCall.td-WebAssembly Call codegen support -*- tablegen -*-
25ca0bacaSJF Bastien//
35ca0bacaSJF Bastien//                     The LLVM Compiler Infrastructure
45ca0bacaSJF Bastien//
55ca0bacaSJF Bastien// This file is distributed under the University of Illinois Open Source
65ca0bacaSJF Bastien// License. See LICENSE.TXT for details.
75ca0bacaSJF Bastien//
85ca0bacaSJF Bastien//===----------------------------------------------------------------------===//
95ca0bacaSJF Bastien///
105ca0bacaSJF Bastien/// \file
115ca0bacaSJF Bastien/// \brief WebAssembly Call operand code-gen constructs.
125ca0bacaSJF Bastien///
135ca0bacaSJF Bastien//===----------------------------------------------------------------------===//
145ca0bacaSJF Bastien
15*af111db8SJF Bastien// The call sequence start/end LLVM-isms isn't useful to WebAssembly since it's
16*af111db8SJF Bastien// a virtual ISA.
17*af111db8SJF Bastienlet isCodeGenOnly = 1 in {
18*af111db8SJF Bastiendef : I<(outs), (ins i64imm:$amt),
19*af111db8SJF Bastien        [(WebAssemblycallseq_start timm:$amt)]>;
20*af111db8SJF Bastiendef : I<(outs), (ins i64imm:$amt1, i64imm:$amt2),
21*af111db8SJF Bastien        [(WebAssemblycallseq_end timm:$amt1, timm:$amt2)]>;
22*af111db8SJF Bastien} // isCodeGenOnly = 1
23*af111db8SJF Bastien
24*af111db8SJF Bastienmulticlass CALL<WebAssemblyRegClass vt> {
25*af111db8SJF Bastien  def CALL_#vt : I<(outs vt:$dst), (ins Int32:$callee, variable_ops),
26*af111db8SJF Bastien                   [(set vt:$dst, (WebAssemblycall Int32:$callee))]>;
27*af111db8SJF Bastien}
28*af111db8SJF Bastienlet Uses = [SP32, SP64], isCall = 1 in {
29*af111db8SJF Bastien  defm : CALL<Int32>;
30*af111db8SJF Bastien  defm : CALL<Int64>;
31*af111db8SJF Bastien  defm : CALL<Float32>;
32*af111db8SJF Bastien  defm : CALL<Float64>;
33*af111db8SJF Bastien  // FIXME: void.
34*af111db8SJF Bastien} // Uses = [SP32,SP64], isCall = 1
35*af111db8SJF Bastien
365ca0bacaSJF Bastien/*
375ca0bacaSJF Bastien * TODO(jfb): Add the following.
385ca0bacaSJF Bastien *
395ca0bacaSJF Bastien * call_direct: call function directly
405ca0bacaSJF Bastien * call_indirect: call function indirectly
415ca0bacaSJF Bastien * addressof: obtain a function pointer value for a given function
425ca0bacaSJF Bastien */
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