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
15af111db8SJF Bastien// The call sequence start/end LLVM-isms isn't useful to WebAssembly since it's
16af111db8SJF Bastien// a virtual ISA.
17af111db8SJF Bastienlet isCodeGenOnly = 1 in {
18af111db8SJF Bastiendef : I<(outs), (ins i64imm:$amt),
19af111db8SJF Bastien        [(WebAssemblycallseq_start timm:$amt)]>;
20af111db8SJF Bastiendef : I<(outs), (ins i64imm:$amt1, i64imm:$amt2),
21af111db8SJF Bastien        [(WebAssemblycallseq_end timm:$amt1, timm:$amt2)]>;
22af111db8SJF Bastien} // isCodeGenOnly = 1
23af111db8SJF Bastien
24af111db8SJF Bastienmulticlass CALL<WebAssemblyRegClass vt> {
2505a17aa8SDan Gohman  def CALL_#vt : I<(outs vt:$dst), (ins global:$callee, variable_ops),
26cf4748f1SDan Gohman                   [(set vt:$dst, (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee)))],
27*1031d4a8SDan Gohman                   "call\t$callee, $dst">;
2805a17aa8SDan Gohman  def CALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops),
29cf4748f1SDan Gohman                            [(set vt:$dst, (WebAssemblycall1 I32:$callee))],
30*1031d4a8SDan Gohman                            "call_indirect\t$callee, $dst">;
31af111db8SJF Bastien}
32af111db8SJF Bastienlet Uses = [SP32, SP64], isCall = 1 in {
33d0bf9812SDan Gohman  defm : CALL<I32>;
34d0bf9812SDan Gohman  defm : CALL<I64>;
35d0bf9812SDan Gohman  defm : CALL<F32>;
36d0bf9812SDan Gohman  defm : CALL<F64>;
37f71abef7SDan Gohman
3805a17aa8SDan Gohman  def CALL_VOID : I<(outs), (ins global:$callee, variable_ops),
39cf4748f1SDan Gohman                    [(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee))],
40*1031d4a8SDan Gohman                    "call\t$callee">;
4105a17aa8SDan Gohman  def CALL_INDIRECT_VOID : I<(outs), (ins I32:$callee, variable_ops),
42cf4748f1SDan Gohman                             [(WebAssemblycall0 I32:$callee)],
43*1031d4a8SDan Gohman                             "call_indirect\t$callee">;
44af111db8SJF Bastien} // Uses = [SP32,SP64], isCall = 1
45