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shader: Move loop safety tests to code emission

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This commit is contained in:
ReinUsesLisp 2021-06-21 01:07:10 -03:00 • committed by ameerj
parent 3877918e96
commit 808ef97a08
16 changed files with 54 additions and 108 deletions
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32
src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp
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@ -48,22 +48,12 @@ 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, LoopSafetyVariable, IndirectBranchVariable>;
using Variant = std::variant<IR::Reg, IR::Pred, ZeroFlagTag, SignFlagTag, CarryFlagTag,
OverflowFlagTag, GotoVariable, IndirectBranchVariable>;
using ValueMap = boost::container::flat_map<IR::Block*, IR::Value>;
struct DefTable {
@ -88,13 +78,6 @@ struct DefTable {
goto_vars[variable.index].insert_or_assign(block, value);
}
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];
}
@ -132,7 +115,6 @@ struct DefTable {
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;
@ -152,10 +134,6 @@ 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;
}
@ -337,9 +315,6 @@ 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(1));
break;
case IR::Opcode::SetIndirectBranchVariable:
pass.WriteVariable(IndirectBranchVariable{}, block, inst.Arg(0));
break;
@ -368,9 +343,6 @@ 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;