Differential D108458 Diff 367763 clang/lib/CodeGen/Address.h

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clang/lib/CodeGen/Address.h

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	#include "llvm/IR/Constants.h"			#include "llvm/IR/Constants.h"
	#include "clang/AST/CharUnits.h"			#include "clang/AST/CharUnits.h"

	namespace clang {			namespace clang {
	namespace CodeGen {			namespace CodeGen {

	/// An aligned address.			/// An aligned address.
	class Address {			class Address {
	llvm::Value *Pointer;			llvm::Value *Pointer = nullptr;
	CharUnits Alignment;			CharUnits Alignment;
	public:			public:
				Address() { assert(!isValid()); }
	Address(llvm::Value *pointer, CharUnits alignment)			Address(llvm::Value *pointer, CharUnits alignment)
	: Pointer(pointer), Alignment(alignment) {			: Pointer(pointer), Alignment(alignment) {
	assert((!alignment.isZero() \|\| pointer == nullptr) &&			assert((!alignment.isZero() \|\| pointer == nullptr) &&
				wingoAuthorUnsubmitted Done Reply Inline Actions It would be nice to assert(isValid()) here but that's not how Address is used; you can pass in a nullptr as the first argument. wingo: It would be nice to assert(isValid()) here but that's not how Address is used; you can pass in…
	"creating valid address with invalid alignment");			"creating valid address with invalid alignment");
	}			}

	static Address invalid() { return Address(nullptr, CharUnits()); }			static Address invalid() { return Address(); }
	bool isValid() const { return Pointer != nullptr; }			bool isValid() const { return Pointer != nullptr; }

	llvm::Value *getPointer() const {			llvm::Value *getPointer() const {
	assert(isValid());			assert(isValid());
	return Pointer;			return Pointer;
	}			}

	/// Return the type of the pointer value.			/// Return the type of the pointer value.
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