1 // WebAssemblyInstrInfo.td-Describe the WebAssembly Instructions-*- 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 Instruction definitions.
13 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
16 // WebAssembly Instruction Predicate Definitions.
17 //===----------------------------------------------------------------------===//
19 def HasAddr32 : Predicate<"!Subtarget->hasAddr64()">;
20 def HasAddr64 : Predicate<"Subtarget->hasAddr64()">;
21 def HasSIMD128 : Predicate<"Subtarget->hasSIMD128()">,
22 AssemblerPredicate<"FeatureSIMD128", "simd128">;
24 //===----------------------------------------------------------------------===//
25 // WebAssembly-specific DAG Node Types.
26 //===----------------------------------------------------------------------===//
28 def SDT_WebAssemblyCallSeqStart : SDCallSeqStart<[SDTCisVT<0, iPTR>]>;
29 def SDT_WebAssemblyCallSeqEnd :
30 SDCallSeqEnd<[SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
31 def SDT_WebAssemblyCall0 : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
32 def SDT_WebAssemblyCall1 : SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>;
33 def SDT_WebAssemblySwitch : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
34 def SDT_WebAssemblyArgument : SDTypeProfile<1, 1, [SDTCisVT<1, i32>]>;
35 def SDT_WebAssemblyReturn : SDTypeProfile<0, -1, []>;
36 def SDT_WebAssemblyWrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
39 //===----------------------------------------------------------------------===//
40 // WebAssembly-specific DAG Nodes.
41 //===----------------------------------------------------------------------===//
43 def WebAssemblycallseq_start :
44 SDNode<"ISD::CALLSEQ_START", SDT_WebAssemblyCallSeqStart,
45 [SDNPHasChain, SDNPOutGlue]>;
46 def WebAssemblycallseq_end :
47 SDNode<"ISD::CALLSEQ_END", SDT_WebAssemblyCallSeqEnd,
48 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
49 def WebAssemblycall0 : SDNode<"WebAssemblyISD::CALL0",
51 [SDNPHasChain, SDNPVariadic]>;
52 def WebAssemblycall1 : SDNode<"WebAssemblyISD::CALL1",
54 [SDNPHasChain, SDNPVariadic]>;
55 def WebAssemblyswitch : SDNode<"WebAssemblyISD::SWITCH",
56 SDT_WebAssemblySwitch,
57 [SDNPHasChain, SDNPVariadic]>;
58 def WebAssemblyargument : SDNode<"WebAssemblyISD::ARGUMENT",
59 SDT_WebAssemblyArgument>;
60 def WebAssemblyreturn : SDNode<"WebAssemblyISD::RETURN",
61 SDT_WebAssemblyReturn, [SDNPHasChain]>;
62 def WebAssemblywrapper : SDNode<"WebAssemblyISD::Wrapper",
63 SDT_WebAssemblyWrapper>;
65 //===----------------------------------------------------------------------===//
66 // WebAssembly-specific Operands.
67 //===----------------------------------------------------------------------===//
70 * TODO(jfb): Add the following.
72 * get_local: read the current value of a local variable
73 * set_local: set the current value of a local variable
76 def bb_op : Operand<OtherVT>;
77 def tjumptable_op : Operand<iPTR>;
78 def global : Operand<iPTR>;
80 //===----------------------------------------------------------------------===//
81 // WebAssembly Instruction Format Definitions.
82 //===----------------------------------------------------------------------===//
84 include "WebAssemblyInstrFormats.td"
86 multiclass ARGUMENT<WebAssemblyRegClass vt> {
87 def ARGUMENT_#vt : I<(outs vt:$res), (ins i32imm:$argno),
88 [(set vt:$res, (WebAssemblyargument timm:$argno))]>;
96 def Immediate_I32 : I<(outs I32:$res), (ins i32imm:$imm),
97 [(set I32:$res, imm:$imm)]>;
98 def Immediate_I64 : I<(outs I64:$res), (ins i64imm:$imm),
99 [(set I64:$res, imm:$imm)]>;
100 def Immediate_F32 : I<(outs F32:$res), (ins f32imm:$imm),
101 [(set F32:$res, fpimm:$imm)]>;
102 def Immediate_F64 : I<(outs F64:$res), (ins f64imm:$imm),
103 [(set F64:$res, fpimm:$imm)]>;
105 // Special types of immediates. FIXME: Hard-coded as 32-bit for now.
106 def GLOBAL : I<(outs I32:$dst), (ins global:$addr),
107 [(set I32:$dst, (WebAssemblywrapper tglobaladdr:$addr))]>;
108 def JUMP_TABLE : I<(outs I32:$dst), (ins tjumptable_op:$addr),
109 [(set I32:$dst, (WebAssemblywrapper tjumptable:$addr))]>;
111 //===----------------------------------------------------------------------===//
112 // Additional sets of instructions.
113 //===----------------------------------------------------------------------===//
115 include "WebAssemblyInstrMemory.td"
116 include "WebAssemblyInstrCall.td"
117 include "WebAssemblyInstrControl.td"
118 include "WebAssemblyInstrInteger.td"
119 include "WebAssemblyInstrFloat.td"
120 include "WebAssemblyInstrConv.td"
121 include "WebAssemblyInstrAtomics.td"
122 include "WebAssemblyInstrSIMD.td"