1 //===- WebAssemblyInstrCall.td-WebAssembly Call codegen support -*- tablegen -*-
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief WebAssembly Call operand code-gen constructs.
13 //===----------------------------------------------------------------------===//
15 let Defs = [ARGUMENTS] in {
17 // Call sequence markers. These have an immediate which represents the amount of
18 // stack space to allocate or free, which is used for varargs lowering.
19 let isCodeGenOnly = 1 in {
20 def ADJCALLSTACKDOWN : I<(outs), (ins i64imm:$amt),
21 [(WebAssemblycallseq_start timm:$amt)]>;
22 def ADJCALLSTACKUP : I<(outs), (ins i64imm:$amt),
23 [(WebAssemblycallseq_end timm:$amt, undef)]>;
24 } // isCodeGenOnly = 1
26 multiclass CALL<WebAssemblyRegClass vt> {
27 def CALL_#vt : I<(outs vt:$dst), (ins global:$callee, variable_ops),
28 [(set vt:$dst, (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee)))],
29 "call \t$dst, $callee">;
30 def CALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops),
31 [(set vt:$dst, (WebAssemblycall1 I32:$callee))],
32 "call_indirect\t$dst, $callee">;
34 let Uses = [SP32, SP64], isCall = 1 in {
40 def CALL_VOID : I<(outs), (ins global:$callee, variable_ops),
41 [(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee))],
43 def CALL_INDIRECT_VOID : I<(outs), (ins I32:$callee, variable_ops),
44 [(WebAssemblycall0 I32:$callee)],
45 "call_indirect\t$callee">;
46 } // Uses = [SP32,SP64], isCall = 1
48 } // Defs = [ARGUMENTS]