diff options
Diffstat (limited to 'src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp')
| -rw-r--r-- | src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp b/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp index bab7ca1868..2592337461 100644 --- a/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp +++ b/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp @@ -48,8 +48,12 @@ struct GotoVariable : FlagTag { u32 index; }; +struct IndirectBranchVariable { + auto operator<=>(const IndirectBranchVariable&) const noexcept = default; +}; + using Variant = std::variant<IR::Reg, IR::Pred, ZeroFlagTag, SignFlagTag, CarryFlagTag, - OverflowFlagTag, GotoVariable>; + OverflowFlagTag, GotoVariable, IndirectBranchVariable>; using ValueMap = boost::container::flat_map<IR::Block*, IR::Value, std::less<IR::Block*>>; struct DefTable { @@ -65,6 +69,10 @@ struct DefTable { return goto_vars[goto_variable.index]; } + [[nodiscard]] ValueMap& operator[](IndirectBranchVariable) { + return indirect_branch_var; + } + [[nodiscard]] ValueMap& operator[](ZeroFlagTag) noexcept { return zero_flag; } @@ -84,6 +92,7 @@ struct DefTable { std::array<ValueMap, IR::NUM_USER_REGS> regs; std::array<ValueMap, IR::NUM_USER_PREDS> preds; boost::container::flat_map<u32, ValueMap> goto_vars; + ValueMap indirect_branch_var; ValueMap zero_flag; ValueMap sign_flag; ValueMap carry_flag; @@ -102,6 +111,10 @@ IR::Opcode UndefOpcode(const FlagTag&) noexcept { return IR::Opcode::UndefU1; } +IR::Opcode UndefOpcode(IndirectBranchVariable) noexcept { + return IR::Opcode::UndefU32; +} + [[nodiscard]] bool IsPhi(const IR::Inst& inst) noexcept { return inst.Opcode() == IR::Opcode::Phi; } @@ -219,6 +232,9 @@ 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::SetIndirectBranchVariable: + pass.WriteVariable(IndirectBranchVariable{}, block, inst.Arg(0)); + break; case IR::Opcode::SetZFlag: pass.WriteVariable(ZeroFlagTag{}, block, inst.Arg(0)); break; @@ -244,6 +260,9 @@ 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::GetIndirectBranchVariable: + inst.ReplaceUsesWith(pass.ReadVariable(IndirectBranchVariable{}, block)); + break; case IR::Opcode::GetZFlag: inst.ReplaceUsesWith(pass.ReadVariable(ZeroFlagTag{}, block)); break; |