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// WebAssemblyInstrInfo.td-Describe the WebAssembly Instructions-*- 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 Instruction definitions.
///
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// WebAssembly Instruction Predicate Definitions.
//===----------------------------------------------------------------------===//
def HasAddr32 : Predicate<"!Subtarget->hasAddr64()">;
def HasAddr64 : Predicate<"Subtarget->hasAddr64()">;
def HasSIMD128 : Predicate<"Subtarget->hasSIMD128()">,
AssemblerPredicate<"FeatureSIMD128", "simd128">;
//===----------------------------------------------------------------------===//
// WebAssembly-specific DAG Node Types.
//===----------------------------------------------------------------------===//
def SDT_WebAssemblyCallSeqStart : SDCallSeqStart<[SDTCisVT<0, iPTR>]>;
def SDT_WebAssemblyCallSeqEnd :
SDCallSeqEnd<[SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
def SDT_WebAssemblyCall0 : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
def SDT_WebAssemblyCall1 : SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>;
def SDT_WebAssemblySwitch : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
def SDT_WebAssemblyArgument : SDTypeProfile<1, 1, [SDTCisVT<1, i32>]>;
def SDT_WebAssemblyReturn : SDTypeProfile<0, -1, []>;
def SDT_WebAssemblyWrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
SDTCisPtrTy<0>]>;
//===----------------------------------------------------------------------===//
// WebAssembly-specific DAG Nodes.
//===----------------------------------------------------------------------===//
def WebAssemblycallseq_start :
SDNode<"ISD::CALLSEQ_START", SDT_WebAssemblyCallSeqStart,
[SDNPHasChain, SDNPOutGlue]>;
def WebAssemblycallseq_end :
SDNode<"ISD::CALLSEQ_END", SDT_WebAssemblyCallSeqEnd,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def WebAssemblycall0 : SDNode<"WebAssemblyISD::CALL0",
SDT_WebAssemblyCall0,
[SDNPHasChain, SDNPVariadic]>;
def WebAssemblycall1 : SDNode<"WebAssemblyISD::CALL1",
SDT_WebAssemblyCall1,
[SDNPHasChain, SDNPVariadic]>;
def WebAssemblyswitch : SDNode<"WebAssemblyISD::SWITCH",
SDT_WebAssemblySwitch,
[SDNPHasChain, SDNPVariadic]>;
def WebAssemblyargument : SDNode<"WebAssemblyISD::ARGUMENT",
SDT_WebAssemblyArgument>;
def WebAssemblyreturn : SDNode<"WebAssemblyISD::RETURN",
SDT_WebAssemblyReturn, [SDNPHasChain]>;
def WebAssemblywrapper : SDNode<"WebAssemblyISD::Wrapper",
SDT_WebAssemblyWrapper>;
//===----------------------------------------------------------------------===//
// WebAssembly-specific Operands.
//===----------------------------------------------------------------------===//
/*
* TODO(jfb): Add the following.
*
* get_local: read the current value of a local variable
* set_local: set the current value of a local variable
*/
def bb_op : Operand<OtherVT>;
def tjumptable_op : Operand<iPTR>;
def global : Operand<iPTR>;
//===----------------------------------------------------------------------===//
// WebAssembly Instruction Format Definitions.
//===----------------------------------------------------------------------===//
include "WebAssemblyInstrFormats.td"
multiclass ARGUMENT<WebAssemblyRegClass vt> {
def ARGUMENT_#vt : I<(outs vt:$res), (ins i32imm:$argno),
[(set vt:$res, (WebAssemblyargument timm:$argno))]>;
}
defm : ARGUMENT<I32>;
defm : ARGUMENT<I64>;
defm : ARGUMENT<F32>;
defm : ARGUMENT<F64>;
def Immediate_I32 : I<(outs I32:$res), (ins i32imm:$imm),
[(set I32:$res, imm:$imm)]>;
def Immediate_I64 : I<(outs I64:$res), (ins i64imm:$imm),
[(set I64:$res, imm:$imm)]>;
def Immediate_F32 : I<(outs F32:$res), (ins f32imm:$imm),
[(set F32:$res, fpimm:$imm)]>;
def Immediate_F64 : I<(outs F64:$res), (ins f64imm:$imm),
[(set F64:$res, fpimm:$imm)]>;
// Special types of immediates. FIXME: Hard-coded as 32-bit for now.
def GLOBAL : I<(outs I32:$dst), (ins global:$addr),
[(set I32:$dst, (WebAssemblywrapper tglobaladdr:$addr))]>;
def JUMP_TABLE : I<(outs I32:$dst), (ins tjumptable_op:$addr),
[(set I32:$dst, (WebAssemblywrapper tjumptable:$addr))]>;
//===----------------------------------------------------------------------===//
// Additional sets of instructions.
//===----------------------------------------------------------------------===//
include "WebAssemblyInstrMemory.td"
include "WebAssemblyInstrCall.td"
include "WebAssemblyInstrControl.td"
include "WebAssemblyInstrInteger.td"
include "WebAssemblyInstrFloat.td"
include "WebAssemblyInstrConv.td"
include "WebAssemblyInstrAtomics.td"
include "WebAssemblyInstrSIMD.td"
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