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IR: Compile-time type-checking of IR

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This commit is contained in:
MerryMage 2018-01-05 21:47:23 +00:00
parent 44f7f04b5c
commit f61da0b5a9
13 changed files with 697 additions and 618 deletions
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28
src/frontend/ir/value.h
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@ -6,6 +6,7 @@
#pragma once
#include "common/assert.h"
#include "common/common_types.h"
#include "frontend/A32/types.h"
@ -18,7 +19,7 @@ class Inst;
* A representation of a value in the IR.
* A value may either be an immediate or the result of a microinstruction.
*/
class Value final {
class Value {
public:
Value() : type(Type::Void) {}
explicit Value(Inst* value);
@ -62,5 +63,30 @@ private:
};
static_assert(sizeof(Value) <= 2 * sizeof(u64), "IR::Value should be kept small in size");
template <Type type_>
class TypedValue final : public Value {
public:
TypedValue() : Value() {}
template <Type other_type>
/* implicit */ TypedValue(const TypedValue<other_type>& value) : Value(value) {
static_assert((other_type & type_) != Type::Void);
ASSERT((value.GetType() & type_) != Type::Void);
}
explicit TypedValue(const Value& value) : Value(value) {
ASSERT((value.GetType() & type_) != Type::Void);
}
};
using U1 = TypedValue<Type::U1>;
using U8 = TypedValue<Type::U8>;
using U16 = TypedValue<Type::U16>;
using U32 = TypedValue<Type::U32>;
using U64 = TypedValue<Type::U64>;
using F32 = TypedValue<Type::F32>;
using F64 = TypedValue<Type::F64>;
using F32F64 = TypedValue<Type::F32 | Type::F64>;
} // namespace IR
} // namespace Dynarmic