diff options
Diffstat (limited to '')
| -rw-r--r-- | src/shader_recompiler/frontend/ir/microinstruction.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
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) { |