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shader: Add shader loop safety check settings

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Also add a setting for enable Nsight Aftermath.
This commit is contained in:
lat9nq 2021-07-08 17:22:31 -04:00 • committed by ameerj
parent 487057b8d2
commit 373f75d944
16 changed files with 183 additions and 35 deletions
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66
src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp
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@ -48,73 +48,91 @@ struct GotoVariable : FlagTag {
u32 index;
};
struct LoopSafetyVariable {
LoopSafetyVariable() = default;
explicit LoopSafetyVariable(u32 index_) : index{index_} {}
auto operator<=>(const LoopSafetyVariable&) const noexcept = default;
u32 index;
};
struct IndirectBranchVariable {
auto operator<=>(const IndirectBranchVariable&) const noexcept = default;
};
using Variant = std::variant<IR::Reg, IR::Pred, ZeroFlagTag, SignFlagTag, CarryFlagTag,
OverflowFlagTag, GotoVariable, IndirectBranchVariable>;
using ValueMap = boost::container::flat_map<IR::Block*, IR::Value, std::less<IR::Block*>>;
using Variant =
std::variant<IR::Reg, IR::Pred, ZeroFlagTag, SignFlagTag, CarryFlagTag, OverflowFlagTag,
GotoVariable, LoopSafetyVariable, IndirectBranchVariable>;
using ValueMap = boost::container::flat_map<IR::Block*, IR::Value>;
struct DefTable {
const IR::Value& Def(IR::Block* block, IR::Reg variable) noexcept {
const IR::Value& Def(IR::Block* block, IR::Reg variable) {
return block->SsaRegValue(variable);
}
void SetDef(IR::Block* block, IR::Reg variable, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, IR::Reg variable, const IR::Value& value) {
block->SetSsaRegValue(variable, value);
}
const IR::Value& Def(IR::Block* block, IR::Pred variable) noexcept {
const IR::Value& Def(IR::Block* block, IR::Pred variable) {
return preds[IR::PredIndex(variable)][block];
}
void SetDef(IR::Block* block, IR::Pred variable, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, IR::Pred variable, const IR::Value& value) {
preds[IR::PredIndex(variable)].insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, GotoVariable variable) noexcept {
const IR::Value& Def(IR::Block* block, GotoVariable variable) {
return goto_vars[variable.index][block];
}
void SetDef(IR::Block* block, GotoVariable variable, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, GotoVariable variable, const IR::Value& value) {
goto_vars[variable.index].insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, IndirectBranchVariable) noexcept {
const IR::Value& Def(IR::Block* block, LoopSafetyVariable variable) {
return loop_safety_vars[variable.index][block];
}
void SetDef(IR::Block* block, LoopSafetyVariable variable, const IR::Value& value) {
loop_safety_vars[variable.index].insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, IndirectBranchVariable) {
return indirect_branch_var[block];
}
void SetDef(IR::Block* block, IndirectBranchVariable, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, IndirectBranchVariable, const IR::Value& value) {
indirect_branch_var.insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, ZeroFlagTag) noexcept {
const IR::Value& Def(IR::Block* block, ZeroFlagTag) {
return zero_flag[block];
}
void SetDef(IR::Block* block, ZeroFlagTag, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, ZeroFlagTag, const IR::Value& value) {
zero_flag.insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, SignFlagTag) noexcept {
const IR::Value& Def(IR::Block* block, SignFlagTag) {
return sign_flag[block];
}
void SetDef(IR::Block* block, SignFlagTag, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, SignFlagTag, const IR::Value& value) {
sign_flag.insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, CarryFlagTag) noexcept {
const IR::Value& Def(IR::Block* block, CarryFlagTag) {
return carry_flag[block];
}
void SetDef(IR::Block* block, CarryFlagTag, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, CarryFlagTag, const IR::Value& value) {
carry_flag.insert_or_assign(block, value);
}
const IR::Value& Def(IR::Block* block, OverflowFlagTag) noexcept {
const IR::Value& Def(IR::Block* block, OverflowFlagTag) {
return overflow_flag[block];
}
void SetDef(IR::Block* block, OverflowFlagTag, const IR::Value& value) noexcept {
void SetDef(IR::Block* block, OverflowFlagTag, const IR::Value& value) {
overflow_flag.insert_or_assign(block, value);
}
std::array<ValueMap, IR::NUM_USER_PREDS> preds;
boost::container::flat_map<u32, ValueMap> goto_vars;
boost::container::flat_map<u32, ValueMap> loop_safety_vars;
ValueMap indirect_branch_var;
ValueMap zero_flag;
ValueMap sign_flag;
@ -134,6 +152,10 @@ IR::Opcode UndefOpcode(const FlagTag&) noexcept {
return IR::Opcode::UndefU1;
}
IR::Opcode UndefOpcode(const LoopSafetyVariable&) noexcept {
return IR::Opcode::UndefU32;
}
IR::Opcode UndefOpcode(IndirectBranchVariable) noexcept {
return IR::Opcode::UndefU32;
}
@ -315,6 +337,9 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) {
case IR::Opcode::SetGotoVariable:
pass.WriteVariable(GotoVariable{inst.Arg(0).U32()}, block, inst.Arg(1));
break;
case IR::Opcode::SetLoopSafetyVariable:
pass.WriteVariable(LoopSafetyVariable{inst.Arg(0).U32()}, block, inst.Arg(0));
break;
case IR::Opcode::SetIndirectBranchVariable:
pass.WriteVariable(IndirectBranchVariable{}, block, inst.Arg(0));
break;
@ -343,6 +368,9 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) {
case IR::Opcode::GetGotoVariable:
inst.ReplaceUsesWith(pass.ReadVariable(GotoVariable{inst.Arg(0).U32()}, block));
break;
case IR::Opcode::GetLoopSafetyVariable:
inst.ReplaceUsesWith(pass.ReadVariable(LoopSafetyVariable{inst.Arg(0).U32()}, block));
break;
case IR::Opcode::GetIndirectBranchVariable:
inst.ReplaceUsesWith(pass.ReadVariable(IndirectBranchVariable{}, block));
break;