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shader: Misc fixes

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This commit is contained in:
ReinUsesLisp 2021-02-14 01:24:32 -03:00 committed by ameerj
parent 9170200a11
commit 8af9297f09
10 changed files with 104 additions and 89 deletions
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6
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -25,6 +25,9 @@ EmitContext::EmitContext(IR::Program& program) {
f16.Define(*this, TypeFloat(16), "f16");
f64.Define(*this, TypeFloat(64), "f64");
true_value = ConstantTrue(u1);
false_value = ConstantFalse(u1);
for (const IR::Function& function : program.functions) {
for (IR::Block* const block : function.blocks) {
block_label_map.emplace_back(block, OpLabel());
@ -58,6 +61,7 @@ EmitSPIRV::EmitSPIRV(IR::Program& program) {
std::fclose(file);
std::system("spirv-dis shader.spv");
std::system("spirv-val shader.spv");
std::system("spirv-cross shader.spv");
}
template <auto method>
@ -109,6 +113,8 @@ static Id TypeId(const EmitContext& ctx, IR::Type type) {
switch (type) {
case IR::Type::U1:
return ctx.u1;
case IR::Type::U32:
return ctx.u32[1];
default:
throw NotImplementedException("Phi node type {}", type);
}

5
src/shader_recompiler/backend/spirv/emit_spirv.h
View File

@ -79,6 +79,8 @@ public:
return def_map.Consume(value.Inst());
}
switch (value.Type()) {
case IR::Type::U1:
return value.U1() ? true_value : false_value;
case IR::Type::U32:
return Constant(u32[1], value.U32());
case IR::Type::F32:
@ -108,6 +110,9 @@ public:
VectorTypes f16;
VectorTypes f64;
Id true_value{};
Id false_value{};
Id workgroup_id{};
Id local_invocation_id{};

4
src/shader_recompiler/frontend/ir/basic_block.cpp
View File

@ -113,7 +113,7 @@ static std::string ArgToIndex(const std::map<const Block*, size_t>& block_to_ind
if (arg.IsLabel()) {
return BlockToIndex(block_to_index, arg.Label());
}
if (!arg.IsImmediate()) {
if (!arg.IsImmediate() || arg.IsIdentity()) {
return fmt::format("%{}", InstIndex(inst_to_index, inst_index, arg.Inst()));
}
switch (arg.Type()) {
@ -166,7 +166,7 @@ std::string DumpBlock(const Block& block, const std::map<const Block*, size_t>&
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_index,
ret += fmt::format("[ {}, {} ]", arg_str,
BlockToIndex(block_to_index, inst.PhiBlock(arg_index)));
} else {
ret += arg_str;

2
src/shader_recompiler/frontend/ir/ir_emitter.cpp
View File

@ -46,10 +46,12 @@ F64 IREmitter::Imm64(f64 value) const {
void IREmitter::Branch(Block* label) {
label->AddImmediatePredecessor(block);
block->SetBranch(label);
Inst(Opcode::Branch, label);
}
void IREmitter::BranchConditional(const U1& condition, Block* true_label, Block* false_label) {
block->SetBranches(IR::Condition{true}, true_label, false_label);
true_label->AddImmediatePredecessor(block);
false_label->AddImmediatePredecessor(block);
Inst(Opcode::BranchConditional, condition, true_label, false_label);

16
src/shader_recompiler/frontend/ir/microinstruction.cpp
View File

@ -143,19 +143,21 @@ Value Inst::Arg(size_t index) const {
}
void Inst::SetArg(size_t index, Value value) {
if (op == Opcode::Phi) {
throw LogicError("Setting argument on a phi instruction");
}
if (index >= NumArgsOf(op)) {
if (index >= NumArgs()) {
throw InvalidArgument("Out of bounds argument index {} in opcode {}", index, op);
}
if (!args[index].IsImmediate()) {
UndoUse(args[index]);
const IR::Value arg{Arg(index)};
if (!arg.IsImmediate()) {
UndoUse(arg);
}
if (!value.IsImmediate()) {
Use(value);
}
args[index] = value;
if (op == Opcode::Phi) {
phi_args[index].second = value;
} else {
args[index] = value;
}
}
Block* Inst::PhiBlock(size_t index) const {

4
src/shader_recompiler/frontend/maxwell/translate/impl/integer_add.cpp
View File

@ -76,8 +76,8 @@ void IADD(TranslatorVisitor& v, u64 insn, IR::U32 op_b) {
}
} // Anonymous namespace
void TranslatorVisitor::IADD_reg(u64) {
throw NotImplementedException("IADD (reg)");
void TranslatorVisitor::IADD_reg(u64 insn) {
IADD(*this, insn, GetReg20(insn));
}
void TranslatorVisitor::IADD_cbuf(u64 insn) {

4
src/shader_recompiler/frontend/maxwell/translate/impl/integer_set_predicate.cpp
View File

@ -92,8 +92,8 @@ void TranslatorVisitor::ISETP_cbuf(u64 insn) {
ISETP(*this, insn, GetCbuf(insn));
}
void TranslatorVisitor::ISETP_imm(u64) {
throw NotImplementedException("ISETP_imm");
void TranslatorVisitor::ISETP_imm(u64 insn) {
ISETP(*this, insn, GetImm20(insn));
}
} // namespace Shader::Maxwell

27
src/shader_recompiler/ir_opt/constant_propagation_pass.cpp
View File

@ -32,6 +32,8 @@ template <typename T>
return value.U1();
} else if constexpr (std::is_same_v<T, u32>) {
return value.U32();
} else if constexpr (std::is_same_v<T, s32>) {
return static_cast<s32>(value.U32());
} else if constexpr (std::is_same_v<T, f32>) {
return value.F32();
} else if constexpr (std::is_same_v<T, u64>) {
@ -39,17 +41,8 @@ template <typename T>
}
}
template <typename ImmFn>
template <typename T, typename ImmFn>
bool FoldCommutative(IR::Inst& inst, ImmFn&& imm_fn) {
const auto arg = [](const IR::Value& value) {
if constexpr (std::is_invocable_r_v<bool, ImmFn, bool, bool>) {
return value.U1();
} else if constexpr (std::is_invocable_r_v<u32, ImmFn, u32, u32>) {
return value.U32();
} else if constexpr (std::is_invocable_r_v<u64, ImmFn, u64, u64>) {
return value.U64();
}
};
const IR::Value lhs{inst.Arg(0)};
const IR::Value rhs{inst.Arg(1)};
@ -57,14 +50,14 @@ bool FoldCommutative(IR::Inst& inst, ImmFn&& imm_fn) {
const bool is_rhs_immediate{rhs.IsImmediate()};
if (is_lhs_immediate && is_rhs_immediate) {
const auto result{imm_fn(arg(lhs), arg(rhs))};
const auto result{imm_fn(Arg<T>(lhs), Arg<T>(rhs))};
inst.ReplaceUsesWith(IR::Value{result});
return false;
}
if (is_lhs_immediate && !is_rhs_immediate) {
IR::Inst* const rhs_inst{rhs.InstRecursive()};
if (rhs_inst->Opcode() == inst.Opcode() && rhs_inst->Arg(1).IsImmediate()) {
const auto combined{imm_fn(arg(lhs), arg(rhs_inst->Arg(1)))};
const auto combined{imm_fn(Arg<T>(lhs), Arg<T>(rhs_inst->Arg(1)))};
inst.SetArg(0, rhs_inst->Arg(0));
inst.SetArg(1, IR::Value{combined});
} else {
@ -76,7 +69,7 @@ bool FoldCommutative(IR::Inst& inst, ImmFn&& imm_fn) {
if (!is_lhs_immediate && is_rhs_immediate) {
const IR::Inst* const lhs_inst{lhs.InstRecursive()};
if (lhs_inst->Opcode() == inst.Opcode() && lhs_inst->Arg(1).IsImmediate()) {
const auto combined{imm_fn(arg(rhs), arg(lhs_inst->Arg(1)))};
const auto combined{imm_fn(Arg<T>(rhs), Arg<T>(lhs_inst->Arg(1)))};
inst.SetArg(0, lhs_inst->Arg(0));
inst.SetArg(1, IR::Value{combined});
}
@ -101,7 +94,7 @@ void FoldAdd(IR::Inst& inst) {
if (inst.HasAssociatedPseudoOperation()) {
return;
}
if (!FoldCommutative(inst, [](T a, T b) { return a + b; })) {
if (!FoldCommutative<T>(inst, [](T a, T b) { return a + b; })) {
return;
}
const IR::Value rhs{inst.Arg(1)};
@ -119,7 +112,7 @@ void FoldSelect(IR::Inst& inst) {
}
void FoldLogicalAnd(IR::Inst& inst) {
if (!FoldCommutative(inst, [](bool a, bool b) { return a && b; })) {
if (!FoldCommutative<bool>(inst, [](bool a, bool b) { return a && b; })) {
return;
}
const IR::Value rhs{inst.Arg(1)};
@ -133,7 +126,7 @@ void FoldLogicalAnd(IR::Inst& inst) {
}
void FoldLogicalOr(IR::Inst& inst) {
if (!FoldCommutative(inst, [](bool a, bool b) { return a || b; })) {
if (!FoldCommutative<bool>(inst, [](bool a, bool b) { return a || b; })) {
return;
}
const IR::Value rhs{inst.Arg(1)};
@ -226,6 +219,8 @@ void ConstantPropagation(IR::Inst& inst) {
return FoldLogicalOr(inst);
case IR::Opcode::LogicalNot:
return FoldLogicalNot(inst);
case IR::Opcode::SLessThan:
return FoldWhenAllImmediates(inst, [](s32 a, s32 b) { return a < b; });
case IR::Opcode::ULessThan:
return FoldWhenAllImmediates(inst, [](u32 a, u32 b) { return a < b; });
case IR::Opcode::BitFieldUExtract:

113
src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp
View File

@ -113,6 +113,7 @@ private:
IR::Value ReadVariableRecursive(auto variable, IR::Block* block) {
IR::Value val;
if (const std::span preds{block->ImmediatePredecessors()}; preds.size() == 1) {
// Optimize the common case of one predecessor: no phi needed
val = ReadVariable(variable, preds.front());
} else {
// Break potential cycles with operandless phi
@ -160,66 +161,70 @@ private:
DefTable current_def;
};
void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) {
switch (inst.Opcode()) {
case IR::Opcode::SetRegister:
if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
pass.WriteVariable(reg, block, inst.Arg(1));
}
break;
case IR::Opcode::SetPred:
if (const IR::Pred pred{inst.Arg(0).Pred()}; pred != IR::Pred::PT) {
pass.WriteVariable(pred, block, inst.Arg(1));
}
break;
case IR::Opcode::SetGotoVariable:
pass.WriteVariable(GotoVariable{inst.Arg(0).U32()}, block, inst.Arg(1));
break;
case IR::Opcode::SetZFlag:
pass.WriteVariable(ZeroFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetSFlag:
pass.WriteVariable(SignFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetCFlag:
pass.WriteVariable(CarryFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetOFlag:
pass.WriteVariable(OverflowFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::GetRegister:
if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
inst.ReplaceUsesWith(pass.ReadVariable(reg, block));
}
break;
case IR::Opcode::GetPred:
if (const IR::Pred pred{inst.Arg(0).Pred()}; pred != IR::Pred::PT) {
inst.ReplaceUsesWith(pass.ReadVariable(pred, block));
}
break;
case IR::Opcode::GetGotoVariable:
inst.ReplaceUsesWith(pass.ReadVariable(GotoVariable{inst.Arg(0).U32()}, block));
break;
case IR::Opcode::GetZFlag:
inst.ReplaceUsesWith(pass.ReadVariable(ZeroFlagTag{}, block));
break;
case IR::Opcode::GetSFlag:
inst.ReplaceUsesWith(pass.ReadVariable(SignFlagTag{}, block));
break;
case IR::Opcode::GetCFlag:
inst.ReplaceUsesWith(pass.ReadVariable(CarryFlagTag{}, block));
break;
case IR::Opcode::GetOFlag:
inst.ReplaceUsesWith(pass.ReadVariable(OverflowFlagTag{}, block));
break;
default:
break;
}
}
} // Anonymous namespace
void SsaRewritePass(IR::Function& function) {
Pass pass;
for (IR::Block* const block : function.blocks) {
for (IR::Inst& inst : block->Instructions()) {
switch (inst.Opcode()) {
case IR::Opcode::SetRegister:
if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
pass.WriteVariable(reg, block, inst.Arg(1));
}
break;
case IR::Opcode::SetPred:
if (const IR::Pred pred{inst.Arg(0).Pred()}; pred != IR::Pred::PT) {
pass.WriteVariable(pred, block, inst.Arg(1));
}
break;
case IR::Opcode::SetGotoVariable:
pass.WriteVariable(GotoVariable{inst.Arg(0).U32()}, block, inst.Arg(1));
break;
case IR::Opcode::SetZFlag:
pass.WriteVariable(ZeroFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetSFlag:
pass.WriteVariable(SignFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetCFlag:
pass.WriteVariable(CarryFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetOFlag:
pass.WriteVariable(OverflowFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::GetRegister:
if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
inst.ReplaceUsesWith(pass.ReadVariable(reg, block));
}
break;
case IR::Opcode::GetPred:
if (const IR::Pred pred{inst.Arg(0).Pred()}; pred != IR::Pred::PT) {
inst.ReplaceUsesWith(pass.ReadVariable(pred, block));
}
break;
case IR::Opcode::GetGotoVariable:
inst.ReplaceUsesWith(pass.ReadVariable(GotoVariable{inst.Arg(0).U32()}, block));
break;
case IR::Opcode::GetZFlag:
inst.ReplaceUsesWith(pass.ReadVariable(ZeroFlagTag{}, block));
break;
case IR::Opcode::GetSFlag:
inst.ReplaceUsesWith(pass.ReadVariable(SignFlagTag{}, block));
break;
case IR::Opcode::GetCFlag:
inst.ReplaceUsesWith(pass.ReadVariable(CarryFlagTag{}, block));
break;
case IR::Opcode::GetOFlag:
inst.ReplaceUsesWith(pass.ReadVariable(OverflowFlagTag{}, block));
break;
default:
break;
}
VisitInst(pass, block, inst);
}
}
}

12
src/shader_recompiler/main.cpp
View File

@ -38,7 +38,8 @@ void RunDatabase() {
map.emplace_back(std::make_unique<FileEnvironment>(path.string().c_str()));
});
auto block_pool{std::make_unique<ObjectPool<Flow::Block>>()};
auto t0 = std::chrono::high_resolution_clock::now();
using namespace std::chrono;
auto t0 = high_resolution_clock::now();
int N = 1;
int n = 0;
for (int i = 0; i < N; ++i) {
@ -55,9 +56,8 @@ void RunDatabase() {
// const std::string code{EmitGLASM(program)};
}
}
auto t = std::chrono::high_resolution_clock::now();
fmt::print(stdout, "{} ms",
std::chrono::duration_cast<std::chrono::milliseconds>(t - t0).count() / double(N));
auto t = high_resolution_clock::now();
fmt::print(stdout, "{} ms", duration_cast<milliseconds>(t - t0).count() / double(N));
}
int main() {
@ -67,8 +67,8 @@ int main() {
auto inst_pool{std::make_unique<ObjectPool<IR::Inst>>()};
auto block_pool{std::make_unique<ObjectPool<IR::Block>>()};
FileEnvironment env{"D:\\Shaders\\Database\\Oninaki\\CS8F146B41DB6BD826.bin"};
// FileEnvironment env{"D:\\Shaders\\shader.bin"};
// FileEnvironment env{"D:\\Shaders\\Database\\Oninaki\\CS8F146B41DB6BD826.bin"};
FileEnvironment env{"D:\\Shaders\\shader.bin"};
for (int i = 0; i < 1; ++i) {
block_pool->ReleaseContents();
inst_pool->ReleaseContents();