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| |
|
|
| #include <map> |
| #include <set> |
|
|
| #include "shader_recompiler/exception.h" |
| #include "shader_recompiler/frontend/ir/basic_block.h" |
| #include "shader_recompiler/frontend/ir/value.h" |
| #include "shader_recompiler/ir_opt/passes.h" |
|
|
| namespace Shader::Optimization { |
|
|
| static void ValidateTypes(const IR::Program& program) { |
| for (const auto& block : program.blocks) { |
| for (const IR::Inst& inst : *block) { |
| if (inst.GetOpcode() == IR::Opcode::Phi) { |
| |
| continue; |
| } |
| const size_t num_args{inst.NumArgs()}; |
| for (size_t i = 0; i < num_args; ++i) { |
| const IR::Type t1{inst.Arg(i).Type()}; |
| const IR::Type t2{IR::ArgTypeOf(inst.GetOpcode(), i)}; |
| if (!IR::AreTypesCompatible(t1, t2)) { |
| throw LogicError("Invalid types in block:\n{}", IR::DumpBlock(*block)); |
| } |
| } |
| } |
| } |
| } |
|
|
| static void ValidateUses(const IR::Program& program) { |
| std::map<IR::Inst*, int> actual_uses; |
| for (const auto& block : program.blocks) { |
| for (const IR::Inst& inst : *block) { |
| const size_t num_args{inst.NumArgs()}; |
| for (size_t i = 0; i < num_args; ++i) { |
| const IR::Value arg{inst.Arg(i)}; |
| if (!arg.IsImmediate()) { |
| ++actual_uses[arg.Inst()]; |
| } |
| } |
| } |
| } |
| for (const auto& [inst, uses] : actual_uses) { |
| if (inst->UseCount() != uses) { |
| throw LogicError("Invalid uses in block: {}", IR::DumpProgram(program)); |
| } |
| } |
| } |
|
|
| static void ValidateForwardDeclarations(const IR::Program& program) { |
| std::set<const IR::Inst*> definitions; |
| for (const IR::Block* const block : program.blocks) { |
| for (const IR::Inst& inst : *block) { |
| definitions.emplace(&inst); |
| if (inst.GetOpcode() == IR::Opcode::Phi) { |
| |
| continue; |
| } |
| const size_t num_args{inst.NumArgs()}; |
| for (size_t arg = 0; arg < num_args; ++arg) { |
| if (inst.Arg(arg).IsImmediate()) { |
| continue; |
| } |
| if (!definitions.contains(inst.Arg(arg).Inst())) { |
| throw LogicError("Forward declaration in block: {}", IR::DumpBlock(*block)); |
| } |
| } |
| } |
| } |
| } |
|
|
| static void ValidatePhiNodes(const IR::Program& program) { |
| for (const IR::Block* const block : program.blocks) { |
| bool no_more_phis{false}; |
| for (const IR::Inst& inst : *block) { |
| if (inst.GetOpcode() == IR::Opcode::Phi) { |
| if (no_more_phis) { |
| throw LogicError("Interleaved phi nodes: {}", IR::DumpBlock(*block)); |
| } |
| } else { |
| no_more_phis = true; |
| } |
| } |
| } |
| } |
|
|
| void VerificationPass(const IR::Program& program) { |
| ValidateTypes(program); |
| ValidateUses(program); |
| ValidateForwardDeclarations(program); |
| ValidatePhiNodes(program); |
| } |
|
|
| } |
|
|
