1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <initializer_list>
#include <map>
#include <memory>
#include "common/bit_cast.h"
#include "common/common_types.h"
#include "shader_recompiler/frontend/ir/basic_block.h"
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::IR {
Block::Block(ObjectPool<Inst>& inst_pool_, u32 begin, u32 end)
: inst_pool{&inst_pool_}, location_begin{begin}, location_end{end} {}
Block::Block(ObjectPool<Inst>& inst_pool_) : Block{inst_pool_, 0, 0} {}
Block::~Block() = default;
void Block::AppendNewInst(Opcode op, std::initializer_list<Value> args) {
PrependNewInst(end(), op, args);
}
Block::iterator Block::PrependNewInst(iterator insertion_point, Opcode op,
std::initializer_list<Value> args, u32 flags) {
Inst* const inst{inst_pool->Create(op, flags)};
const auto result_it{instructions.insert(insertion_point, *inst)};
if (inst->NumArgs() != args.size()) {
throw InvalidArgument("Invalid number of arguments {} in {}", args.size(), op);
}
std::ranges::for_each(args, [inst, index = size_t{0}](const Value& arg) mutable {
inst->SetArg(index, arg);
++index;
});
return result_it;
}
void Block::SetBranches(Condition cond, Block* branch_true_, Block* branch_false_) {
branch_cond = cond;
branch_true = branch_true_;
branch_false = branch_false_;
}
void Block::SetBranch(Block* branch) {
branch_cond = Condition{true};
branch_true = branch;
}
void Block::SetReturn() {
branch_cond = Condition{true};
branch_true = nullptr;
branch_false = nullptr;
}
bool Block::IsVirtual() const noexcept {
return location_begin == location_end;
}
u32 Block::LocationBegin() const noexcept {
return location_begin;
}
u32 Block::LocationEnd() const noexcept {
return location_end;
}
void Block::AddImmediatePredecessor(Block* block) {
if (std::ranges::find(imm_predecessors, block) == imm_predecessors.end()) {
imm_predecessors.push_back(block);
}
}
static std::string BlockToIndex(const std::map<const Block*, size_t>& block_to_index,
Block* block) {
if (const auto it{block_to_index.find(block)}; it != block_to_index.end()) {
return fmt::format("{{Block ${}}}", it->second);
}
return fmt::format("$<unknown block {:016x}>", reinterpret_cast<u64>(block));
}
static size_t InstIndex(std::map<const Inst*, size_t>& inst_to_index, size_t& inst_index,
const Inst* inst) {
const auto [it, is_inserted]{inst_to_index.emplace(inst, inst_index + 1)};
if (is_inserted) {
++inst_index;
}
return it->second;
}
static std::string ArgToIndex(const std::map<const Block*, size_t>& block_to_index,
std::map<const Inst*, size_t>& inst_to_index, size_t& inst_index,
const Value& arg) {
if (arg.IsEmpty()) {
return "<null>";
}
if (arg.IsLabel()) {
return BlockToIndex(block_to_index, arg.Label());
}
if (!arg.IsImmediate() || arg.IsIdentity()) {
return fmt::format("%{}", InstIndex(inst_to_index, inst_index, arg.Inst()));
}
switch (arg.Type()) {
case Type::U1:
return fmt::format("#{}", arg.U1() ? "true" : "false");
case Type::U8:
return fmt::format("#{}", arg.U8());
case Type::U16:
return fmt::format("#{}", arg.U16());
case Type::U32:
return fmt::format("#{}", arg.U32());
case Type::U64:
return fmt::format("#{}", arg.U64());
case Type::F32:
return fmt::format("#{}", arg.F32());
case Type::Reg:
return fmt::format("{}", arg.Reg());
case Type::Pred:
return fmt::format("{}", arg.Pred());
case Type::Attribute:
return fmt::format("{}", arg.Attribute());
default:
return "<unknown immediate type>";
}
}
std::string DumpBlock(const Block& block) {
size_t inst_index{0};
std::map<const Inst*, size_t> inst_to_index;
return DumpBlock(block, {}, inst_to_index, inst_index);
}
std::string DumpBlock(const Block& block, const std::map<const Block*, size_t>& block_to_index,
std::map<const Inst*, size_t>& inst_to_index, size_t& inst_index) {
std::string ret{"Block"};
if (const auto it{block_to_index.find(&block)}; it != block_to_index.end()) {
ret += fmt::format(" ${}", it->second);
}
ret += fmt::format(": begin={:04x} end={:04x}\n", block.LocationBegin(), block.LocationEnd());
for (const Inst& inst : block) {
const Opcode op{inst.GetOpcode()};
ret += fmt::format("[{:016x}] ", reinterpret_cast<u64>(&inst));
if (TypeOf(op) != Type::Void) {
ret += fmt::format("%{:<5} = {}", InstIndex(inst_to_index, inst_index, &inst), op);
} else {
ret += fmt::format(" {}", op); // '%00000 = ' -> 1 + 5 + 3 = 9 spaces
}
const size_t arg_count{inst.NumArgs()};
for (size_t arg_index = 0; arg_index < arg_count; ++arg_index) {
const Value arg{inst.Arg(arg_index)};
const std::string arg_str{ArgToIndex(block_to_index, inst_to_index, inst_index, arg)};
ret += arg_index != 0 ? ", " : " ";
if (op == Opcode::Phi) {
ret += fmt::format("[ {}, {} ]", arg_str,
BlockToIndex(block_to_index, inst.PhiBlock(arg_index)));
} else {
ret += arg_str;
}
if (op != Opcode::Phi) {
const Type actual_type{arg.Type()};
const Type expected_type{ArgTypeOf(op, arg_index)};
if (!AreTypesCompatible(actual_type, expected_type)) {
ret += fmt::format("<type error: {} != {}>", actual_type, expected_type);
}
}
}
if (TypeOf(op) != Type::Void) {
ret += fmt::format(" (uses: {})\n", inst.UseCount());
} else {
ret += '\n';
}
}
return ret;
}
} // namespace Shader::IR
|
