summaryrefslogtreecommitdiffstats
path: root/src/shader_recompiler/frontend/ir
diff options
context:
space:
mode:
Diffstat (limited to 'src/shader_recompiler/frontend/ir')
-rw-r--r--src/shader_recompiler/frontend/ir/basic_block.cpp51
-rw-r--r--src/shader_recompiler/frontend/ir/basic_block.h20
-rw-r--r--src/shader_recompiler/frontend/ir/function.cpp5
-rw-r--r--src/shader_recompiler/frontend/ir/function.h25
-rw-r--r--src/shader_recompiler/frontend/ir/microinstruction.cpp22
-rw-r--r--src/shader_recompiler/frontend/ir/microinstruction.h10
-rw-r--r--src/shader_recompiler/frontend/ir/opcode.inc8
-rw-r--r--src/shader_recompiler/frontend/ir/pred.h7
-rw-r--r--src/shader_recompiler/frontend/ir/reg.h9
-rw-r--r--src/shader_recompiler/frontend/ir/value.cpp37
-rw-r--r--src/shader_recompiler/frontend/ir/value.h3
11 files changed, 178 insertions, 19 deletions
diff --git a/src/shader_recompiler/frontend/ir/basic_block.cpp b/src/shader_recompiler/frontend/ir/basic_block.cpp
index 0406726ad..e795618fc 100644
--- a/src/shader_recompiler/frontend/ir/basic_block.cpp
+++ b/src/shader_recompiler/frontend/ir/basic_block.cpp
@@ -37,6 +37,10 @@ Block::iterator Block::PrependNewInst(iterator insertion_point, Opcode op,
return result_it;
}
+void Block::AddImmediatePredecessor(IR::Block* immediate_predecessor) {
+ imm_predecessors.push_back(immediate_predecessor);
+}
+
u32 Block::LocationBegin() const noexcept {
return location_begin;
}
@@ -53,6 +57,18 @@ const Block::InstructionList& Block::Instructions() const noexcept {
return instructions;
}
+std::span<IR::Block* const> Block::ImmediatePredecessors() const noexcept {
+ return imm_predecessors;
+}
+
+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 std::string ArgToIndex(const std::map<const Block*, size_t>& block_to_index,
const std::map<const Inst*, size_t>& inst_to_index,
const Value& arg) {
@@ -60,10 +76,7 @@ static std::string ArgToIndex(const std::map<const Block*, size_t>& block_to_ind
return "<null>";
}
if (arg.IsLabel()) {
- if (const auto it{block_to_index.find(arg.Label())}; it != block_to_index.end()) {
- return fmt::format("{{Block ${}}}", it->second);
- }
- return fmt::format("$<unknown block {:016x}>", reinterpret_cast<u64>(arg.Label()));
+ return BlockToIndex(block_to_index, arg.Label());
}
if (!arg.IsImmediate()) {
if (const auto it{inst_to_index.find(arg.Inst())}; it != inst_to_index.end()) {
@@ -115,16 +128,26 @@ std::string DumpBlock(const Block& block, const std::map<const Block*, size_t>&
} else {
ret += fmt::format(" {}", op); // '%00000 = ' -> 1 + 5 + 3 = 9 spaces
}
- const size_t arg_count{NumArgsOf(op)};
- for (size_t arg_index = 0; arg_index < arg_count; ++arg_index) {
- const Value arg{inst.Arg(arg_index)};
- ret += arg_index != 0 ? ", " : " ";
- ret += ArgToIndex(block_to_index, inst_to_index, arg);
-
- 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 (op == Opcode::Phi) {
+ size_t val_index{0};
+ for (const auto& [phi_block, phi_val] : inst.PhiOperands()) {
+ ret += val_index != 0 ? ", " : " ";
+ ret += fmt::format("[ {}, {} ]", ArgToIndex(block_to_index, inst_to_index, phi_val),
+ BlockToIndex(block_to_index, phi_block));
+ ++val_index;
+ }
+ } else {
+ const size_t arg_count{NumArgsOf(op)};
+ for (size_t arg_index = 0; arg_index < arg_count; ++arg_index) {
+ const Value arg{inst.Arg(arg_index)};
+ ret += arg_index != 0 ? ", " : " ";
+ ret += ArgToIndex(block_to_index, inst_to_index, arg);
+
+ 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) {
diff --git a/src/shader_recompiler/frontend/ir/basic_block.h b/src/shader_recompiler/frontend/ir/basic_block.h
index 3ed2eb957..4b6b80c4b 100644
--- a/src/shader_recompiler/frontend/ir/basic_block.h
+++ b/src/shader_recompiler/frontend/ir/basic_block.h
@@ -6,6 +6,8 @@
#include <initializer_list>
#include <map>
+#include <span>
+#include <vector>
#include <boost/intrusive/list.hpp>
#include <boost/pool/pool_alloc.hpp>
@@ -36,7 +38,11 @@ public:
void AppendNewInst(Opcode op, std::initializer_list<Value> args);
/// Prepends a new instruction to this basic block before the insertion point.
- iterator PrependNewInst(iterator insertion_point, Opcode op, std::initializer_list<Value> args);
+ iterator PrependNewInst(iterator insertion_point, Opcode op,
+ std::initializer_list<Value> args = {});
+
+ /// Adds a new immediate predecessor to the basic block.
+ void AddImmediatePredecessor(IR::Block* immediate_predecessor);
/// Gets the starting location of this basic block.
[[nodiscard]] u32 LocationBegin() const noexcept;
@@ -44,9 +50,12 @@ public:
[[nodiscard]] u32 LocationEnd() const noexcept;
/// Gets a mutable reference to the instruction list for this basic block.
- InstructionList& Instructions() noexcept;
+ [[nodiscard]] InstructionList& Instructions() noexcept;
/// Gets an immutable reference to the instruction list for this basic block.
- const InstructionList& Instructions() const noexcept;
+ [[nodiscard]] const InstructionList& Instructions() const noexcept;
+
+ /// Gets an immutable span to the immediate predecessors.
+ [[nodiscard]] std::span<IR::Block* const> ImmediatePredecessors() const noexcept;
[[nodiscard]] bool empty() const {
return instructions.empty();
@@ -115,13 +124,16 @@ private:
/// End location of this block
u32 location_end;
- /// List of instructions in this block.
+ /// List of instructions in this block
InstructionList instructions;
/// Memory pool for instruction list
boost::fast_pool_allocator<Inst, boost::default_user_allocator_malloc_free,
boost::details::pool::null_mutex>
instruction_alloc_pool;
+
+ /// Block immediate predecessors
+ std::vector<IR::Block*> imm_predecessors;
};
[[nodiscard]] std::string DumpBlock(const Block& block);
diff --git a/src/shader_recompiler/frontend/ir/function.cpp b/src/shader_recompiler/frontend/ir/function.cpp
new file mode 100644
index 000000000..d1fc9461d
--- /dev/null
+++ b/src/shader_recompiler/frontend/ir/function.cpp
@@ -0,0 +1,5 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "shader_recompiler/frontend/ir/function.h"
diff --git a/src/shader_recompiler/frontend/ir/function.h b/src/shader_recompiler/frontend/ir/function.h
new file mode 100644
index 000000000..2d4dc5b98
--- /dev/null
+++ b/src/shader_recompiler/frontend/ir/function.h
@@ -0,0 +1,25 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <vector>
+
+#include "shader_recompiler/frontend/ir/basic_block.h"
+
+namespace Shader::IR {
+
+struct Function {
+ struct InplaceDelete {
+ void operator()(IR::Block* block) const noexcept {
+ std::destroy_at(block);
+ }
+ };
+ using UniqueBlock = std::unique_ptr<IR::Block, InplaceDelete>;
+
+ std::vector<UniqueBlock> blocks;
+};
+
+} // namespace Shader::IR
diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp
index 553fec3b7..ecf76e23d 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.cpp
+++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp
@@ -30,6 +30,11 @@ static void RemovePseudoInstruction(IR::Inst*& inst, IR::Opcode expected_opcode)
bool Inst::MayHaveSideEffects() const noexcept {
switch (op) {
+ case Opcode::Branch:
+ case Opcode::BranchConditional:
+ case Opcode::Exit:
+ case Opcode::Return:
+ case Opcode::Unreachable:
case Opcode::SetAttribute:
case Opcode::SetAttributeIndexed:
case Opcode::WriteGlobalU8:
@@ -113,6 +118,17 @@ void Inst::SetArg(size_t index, Value value) {
args[index] = value;
}
+std::span<const std::pair<Block*, Value>> Inst::PhiOperands() const noexcept {
+ return phi_operands;
+}
+
+void Inst::AddPhiOperand(Block* predecessor, const Value& value) {
+ if (!value.IsImmediate()) {
+ Use(value);
+ }
+ phi_operands.emplace_back(predecessor, value);
+}
+
void Inst::Invalidate() {
ClearArgs();
op = Opcode::Void;
@@ -125,6 +141,12 @@ void Inst::ClearArgs() {
}
value = {};
}
+ for (auto& [phi_block, phi_op] : phi_operands) {
+ if (!phi_op.IsImmediate()) {
+ UndoUse(phi_op);
+ }
+ }
+ phi_operands.clear();
}
void Inst::ReplaceUsesWith(Value replacement) {
diff --git a/src/shader_recompiler/frontend/ir/microinstruction.h b/src/shader_recompiler/frontend/ir/microinstruction.h
index 43460b950..7f1ed6710 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.h
+++ b/src/shader_recompiler/frontend/ir/microinstruction.h
@@ -5,6 +5,8 @@
#pragma once
#include <array>
+#include <span>
+#include <vector>
#include <boost/intrusive/list.hpp>
@@ -15,6 +17,8 @@
namespace Shader::IR {
+class Block;
+
constexpr size_t MAX_ARG_COUNT = 4;
class Inst : public boost::intrusive::list_base_hook<> {
@@ -59,6 +63,11 @@ public:
/// Set the value of a given argument index.
void SetArg(size_t index, Value value);
+ /// Get an immutable span to the phi operands.
+ [[nodiscard]] std::span<const std::pair<Block*, Value>> PhiOperands() const noexcept;
+ /// Add phi operand to a phi instruction.
+ void AddPhiOperand(Block* predecessor, const Value& value);
+
void Invalidate();
void ClearArgs();
@@ -76,6 +85,7 @@ private:
Inst* carry_inst{};
Inst* overflow_inst{};
Inst* zsco_inst{};
+ std::vector<std::pair<Block*, Value>> phi_operands;
u64 flags{};
};
diff --git a/src/shader_recompiler/frontend/ir/opcode.inc b/src/shader_recompiler/frontend/ir/opcode.inc
index 371064bf3..40759e96a 100644
--- a/src/shader_recompiler/frontend/ir/opcode.inc
+++ b/src/shader_recompiler/frontend/ir/opcode.inc
@@ -5,6 +5,7 @@
// opcode name, return type, arg1 type, arg2 type, arg3 type, arg4 type, ...
OPCODE(Void, Void, )
OPCODE(Identity, Opaque, Opaque, )
+OPCODE(Phi, Opaque, /*todo*/ )
// Control flow
OPCODE(Branch, Void, Label, )
@@ -35,6 +36,13 @@ OPCODE(SetSFlag, Void, U1,
OPCODE(SetCFlag, Void, U1, )
OPCODE(SetOFlag, Void, U1, )
+// Undefined
+OPCODE(Undef1, U1, )
+OPCODE(Undef8, U8, )
+OPCODE(Undef16, U16, )
+OPCODE(Undef32, U32, )
+OPCODE(Undef64, U64, )
+
// Memory operations
OPCODE(WriteGlobalU8, Void, U64, U32, )
OPCODE(WriteGlobalS8, Void, U64, U32, )
diff --git a/src/shader_recompiler/frontend/ir/pred.h b/src/shader_recompiler/frontend/ir/pred.h
index 37cc53006..daf23193f 100644
--- a/src/shader_recompiler/frontend/ir/pred.h
+++ b/src/shader_recompiler/frontend/ir/pred.h
@@ -10,6 +10,13 @@ namespace Shader::IR {
enum class Pred { P0, P1, P2, P3, P4, P5, P6, PT };
+constexpr size_t NUM_USER_PREDS = 6;
+constexpr size_t NUM_PREDS = 7;
+
+[[nodiscard]] constexpr size_t PredIndex(Pred pred) noexcept {
+ return static_cast<size_t>(pred);
+}
+
} // namespace Shader::IR
template <>
diff --git a/src/shader_recompiler/frontend/ir/reg.h b/src/shader_recompiler/frontend/ir/reg.h
index 316fc4be8..771094eb9 100644
--- a/src/shader_recompiler/frontend/ir/reg.h
+++ b/src/shader_recompiler/frontend/ir/reg.h
@@ -271,6 +271,9 @@ enum class Reg : u64 {
};
static_assert(static_cast<int>(Reg::RZ) == 255);
+constexpr size_t NUM_USER_REGS = 255;
+constexpr size_t NUM_REGS = 256;
+
[[nodiscard]] constexpr Reg operator+(Reg reg, int num) {
if (reg == Reg::RZ) {
// Adding or subtracting registers from RZ yields RZ
@@ -290,8 +293,12 @@ static_assert(static_cast<int>(Reg::RZ) == 255);
return reg + (-num);
}
+[[nodiscard]] constexpr size_t RegIndex(Reg reg) noexcept {
+ return static_cast<size_t>(reg);
+}
+
[[nodiscard]] constexpr bool IsAligned(Reg reg, size_t align) {
- return (static_cast<size_t>(reg) / align) * align == static_cast<size_t>(reg);
+ return (RegIndex(reg) / align) * align == RegIndex(reg);
}
} // namespace Shader::IR
diff --git a/src/shader_recompiler/frontend/ir/value.cpp b/src/shader_recompiler/frontend/ir/value.cpp
index 7b5b35d6c..1e974e88c 100644
--- a/src/shader_recompiler/frontend/ir/value.cpp
+++ b/src/shader_recompiler/frontend/ir/value.cpp
@@ -115,6 +115,43 @@ u64 Value::U64() const {
return imm_u64;
}
+bool Value::operator==(const Value& other) const {
+ if (type != other.type) {
+ return false;
+ }
+ switch (type) {
+ case Type::Void:
+ return true;
+ case Type::Opaque:
+ return inst == other.inst;
+ case Type::Label:
+ return label == other.label;
+ case Type::Reg:
+ return reg == other.reg;
+ case Type::Pred:
+ return pred == other.pred;
+ case Type::Attribute:
+ return attribute == other.attribute;
+ case Type::U1:
+ return imm_u1 == other.imm_u1;
+ case Type::U8:
+ return imm_u8 == other.imm_u8;
+ case Type::U16:
+ return imm_u16 == other.imm_u16;
+ case Type::U32:
+ return imm_u32 == other.imm_u32;
+ case Type::U64:
+ return imm_u64 == other.imm_u64;
+ case Type::ZSCO:
+ throw NotImplementedException("ZSCO comparison");
+ }
+ throw LogicError("Invalid type {}", type);
+}
+
+bool Value::operator!=(const Value& other) const {
+ return !operator==(other);
+}
+
void Value::ValidateAccess(IR::Type expected) const {
if (type != expected) {
throw LogicError("Reading {} out of {}", expected, type);
diff --git a/src/shader_recompiler/frontend/ir/value.h b/src/shader_recompiler/frontend/ir/value.h
index 664dacf9d..368119921 100644
--- a/src/shader_recompiler/frontend/ir/value.h
+++ b/src/shader_recompiler/frontend/ir/value.h
@@ -48,6 +48,9 @@ public:
[[nodiscard]] u32 U32() const;
[[nodiscard]] u64 U64() const;
+ [[nodiscard]] bool operator==(const Value& other) const;
+ [[nodiscard]] bool operator!=(const Value& other) const;
+
private:
void ValidateAccess(IR::Type expected) const;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 12:19:11 +0100