LLVM: lib/Target/AMDGPU/AMDGPUMIRFormatter.cpp Source File (original) (raw)
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17using namespace llvm;
18
20 std::optional OpIdx, int64_t Imm) const {
21
22 switch (MI.getOpcode()) {
23 case AMDGPU::S_DELAY_ALU:
25 printSDelayAluImm(Imm, OS);
26 break;
27 default:
29 break;
30 }
31}
32
33
34
36 const unsigned OpIdx,
39{
40
41 switch (OpCode) {
42 case AMDGPU::S_DELAY_ALU:
43 return parseSDelayAluImmMnemonic(OpIdx, Imm, Src, ErrorCallback);
44 default:
45 break;
46 }
47 return true;
48}
49
50void AMDGPUMIRFormatter::printSDelayAluImm(int64_t Imm,
52
53
54
55 constexpr int64_t None = 0;
56 constexpr int64_t Same = 0;
57
59 uint64_t Skip = ((Imm >> 4) & 0x7);
60 uint64_t Id1 = ((Imm >> 7) & 0xF);
61 auto Outdep = [&](uint64_t Id) {
62 if (Id == None)
63 OS << "NONE";
64 else if (Id < 5)
65 OS << "VALU_DEP_" << Id;
66 else if (Id < 8)
67 OS << "TRANS32_DEP_" << Id - 4;
68 else
69 OS << "SALU_CYCLE_" << Id - 8;
70 };
71
72 OS << ".id0_";
73 Outdep(Id0);
74
75
76
77 if (Skip == Same && Id1 == None)
78 return;
79
80
81 OS << "_skip_";
82 if (Skip == 0)
83 OS << "SAME";
84 else if (Skip == 1)
85 OS << "NEXT";
86 else
87 OS << "SKIP_" << Skip - 1;
88
89 OS << "_id1_";
90 Outdep(Id1);
91}
92
93bool AMDGPUMIRFormatter::parseSDelayAluImmMnemonic(
96{
98
100 bool Expected = Src.consume_front(".id0_");
101 if (!Expected)
102 return ErrorCallback(Src.begin(), "Expected .id0_");
103
104 auto ExpectInt = [&](StringRef &Src, int64_t Offset) -> int64_t {
105 int64_t Dep;
106 if (!Src.consumeInteger(10, Dep))
108
109 return -1;
110 };
111
112 auto DecodeDelay = [&](StringRef &Src) -> int64_t {
113 if (Src.consume_front("NONE"))
114 return 0;
115 if (Src.consume_front("VALU_DEP_"))
116 return ExpectInt(Src, 0);
117 if (Src.consume_front("TRANS32_DEP_"))
118 return ExpectInt(Src, 4);
119 if (Src.consume_front("SALU_CYCLE_"))
120 return ExpectInt(Src, 8);
121
122 return -1;
123 };
124
125 int64_t Delay0 = DecodeDelay(Src);
126 int64_t Skip = 0;
127 int64_t Delay1 = 0;
128 if (Delay0 == -1)
129 return ErrorCallback(Src.begin(), "Could not decode delay0");
130
131
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133 Imm = Delay0;
134
135
136
137 if (Src.begin() == Src.end())
138 return false;
139
140 Expected = Src.consume_front("_skip_");
141 if (!Expected)
142 return ErrorCallback(Src.begin(), "Expected _skip_");
143
144
145 if (Src.consume_front("SAME")) {
147 } else if (Src.consume_front("NEXT")) {
149 } else if (Src.consume_front("SKIP_")) {
150 if (Src.consumeInteger(10, Skip)) {
151 return ErrorCallback(Src.begin(), "Expected integer Skip value");
152 }
154 } else {
155 ErrorCallback(Src.begin(), "Unexpected Skip Value");
156 }
157
158 Expected = Src.consume_front("_id1_");
159 if (!Expected)
160 return ErrorCallback(Src.begin(), "Expected _id1_");
161
162 Delay1 = DecodeDelay(Src);
163 if (Delay1 == -1)
164 return ErrorCallback(Src.begin(), "Could not decode delay1");
165
166 Imm = Imm | (Skip << 4) | (Delay1 << 7);
167 return false;
168}
169
176 if (Src == "GWSResource") {
178 return false;
179 }
181}
assert(UImm &&(UImm !=~static_cast< T >(0)) &&"Invalid immediate!")
AMDGPU specific overrides of MIRFormatter.
MachineInstr unsigned OpIdx
bool parseCustomPseudoSourceValue(StringRef Src, MachineFunction &MF, PerFunctionMIParsingState &PFS, const PseudoSourceValue *&PSV, ErrorCallbackType ErrorCallback) const override
Implement target specific parsing of target custom pseudo source value.
Definition AMDGPUMIRFormatter.cpp:170
void printImm(raw_ostream &OS, const MachineInstr &MI, std::optional< unsigned > OpIdx, int64_t Imm) const override
Implement target specific printing for machine operand immediate value, so that we can have more mean...
Definition AMDGPUMIRFormatter.cpp:19
bool parseImmMnemonic(const unsigned OpCode, const unsigned OpIdx, StringRef Src, int64_t &Imm, ErrorCallbackType ErrorCallback) const override
Implement target specific parsing of immediate mnemonics.
Definition AMDGPUMIRFormatter.cpp:35
function_ref< bool(StringRef::iterator Loc, const Twine &)> ErrorCallbackType
virtual void printImm(raw_ostream &OS, const MachineInstr &MI, std::optional< unsigned > OpIdx, int64_t Imm) const
Implement target specific printing for machine operand immediate value, so that we can have more mean...
Ty * getInfo()
getInfo - Keep track of various per-function pieces of information for backends that would like to do...
const TargetMachine & getTarget() const
getTarget - Return the target machine this machine code is compiled with
Representation of each machine instruction.
Special value supplied for machine level alias analysis.
This class keeps track of the SPI_SP_INPUT_ADDR config register, which tells the hardware which inter...
const AMDGPUGWSResourcePseudoSourceValue * getGWSPSV(const AMDGPUTargetMachine &TM)
StringRef - Represent a constant reference to a string, i.e.
This class implements an extremely fast bulk output stream that can only output to a stream.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
This is an optimization pass for GlobalISel generic memory operations.