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shader: Add copy constructor to instructions

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This commit is contained in:
ReinUsesLisp 2021-07-25 21:34:17 -03:00 committed by Fernando Sahmkow
parent 95761cc6a7
commit c892359d1b
4 changed files with 20 additions and 1 deletions
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5
src/shader_recompiler/frontend/ir/basic_block.cpp
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@ -22,6 +22,11 @@ void Block::AppendNewInst(Opcode op, std::initializer_list<Value> args) {
PrependNewInst(end(), op, args);
}
Block::iterator Block::PrependNewInst(iterator insertion_point, const Inst& base_inst) {
Inst* const inst{inst_pool->Create(base_inst)};
return instructions.insert(insertion_point, *inst);
}
Block::iterator Block::PrependNewInst(iterator insertion_point, Opcode op,
std::initializer_list<Value> args, u32 flags) {
Inst* const inst{inst_pool->Create(op, flags)};

3
src/shader_recompiler/frontend/ir/basic_block.h
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@ -40,6 +40,9 @@ public:
/// Appends a new instruction to the end of this basic block.
void AppendNewInst(Opcode op, std::initializer_list<Value> args);
/// Prepends a copy of an instruction to this basic block before the insertion point.
iterator PrependNewInst(iterator insertion_point, const Inst& base_inst);
/// Prepends a new instruction to this basic block before the insertion point.
iterator PrependNewInst(iterator insertion_point, Opcode op,
std::initializer_list<Value> args = {}, u32 flags = 0);

11
src/shader_recompiler/frontend/ir/microinstruction.cpp
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@ -47,6 +47,17 @@ Inst::Inst(IR::Opcode op_, u32 flags_) noexcept : op{op_}, flags{flags_} {
}
}
Inst::Inst(const Inst& base) : op{base.op}, flags{base.flags} {
if (base.op == Opcode::Phi) {
throw NotImplementedException("Copying phi node");
}
std::construct_at(&args);
const size_t num_args{base.NumArgs()};
for (size_t index = 0; index < num_args; ++index) {
SetArg(index, base.Arg(index));
}
}
Inst::~Inst() {
if (op == Opcode::Phi) {
std::destroy_at(&phi_args);

2
src/shader_recompiler/frontend/ir/value.h
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@ -116,10 +116,10 @@ public:
class Inst : public boost::intrusive::list_base_hook<> {
public:
explicit Inst(IR::Opcode op_, u32 flags_) noexcept;
explicit Inst(const Inst& base);
~Inst();
Inst& operator=(const Inst&) = delete;
Inst(const Inst&) = delete;
Inst& operator=(Inst&&) = delete;
Inst(Inst&&) = delete;