| //===- 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)))]>; |
| def CALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops), |
| [(set vt:$dst, (WebAssemblycall1 I32:$callee))]>; |
| } |
| 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))]>; |
| def CALL_INDIRECT_VOID : I<(outs), (ins I32:$callee, variable_ops), |
| [(WebAssemblycall0 I32:$callee)]>; |
| } // Uses = [SP32,SP64], isCall = 1 |
| |
| /* |
| * TODO(jfb): Add the following. |
| * |
| * addressof: obtain a function pointer value for a given function |
| */ |