#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/Casting.h"
-#include <iosfwd>
#include <string>
namespace llvm {
template<typename ValueTy> class StringMapEntry;
template <typename ValueTy = Value>
class AssertingVH;
-typedef StringMapEntry<AssertingVH<> > ValueName;
+typedef StringMapEntry<Value*> ValueName;
class raw_ostream;
class AssemblyAnnotationWriter;
class ValueHandleBase;
-struct LLVMContext;
+class LLVMContext;
//===----------------------------------------------------------------------===//
// Value Class
/// print - Implement operator<< on Value.
///
- void print(std::ostream &O, AssemblyAnnotationWriter *AAW = 0) const;
void print(raw_ostream &O, AssemblyAnnotationWriter *AAW = 0) const;
/// All values are typed, get the type of this value.
// Only use when in type resolution situations!
void uncheckedReplaceAllUsesWith(Value *V);
- /// clearOptionalData - Clear any optional optimization data from this Value.
- /// Transformation passes must call this method whenever changing the IR
- /// in a way that would affect the values produced by this Value, unless
- /// it takes special care to ensure correctness in some other way.
- void clearOptionalData() { SubclassOptionalData = 0; }
-
//----------------------------------------------------------------------
// Methods for handling the chain of uses of this Value.
//
return SubclassID;
}
+ /// getRawSubclassOptionalData - Return the raw optional flags value
+ /// contained in this value. This should only be used when testing two
+ /// Values for equivalence.
+ unsigned getRawSubclassOptionalData() const {
+ return SubclassOptionalData;
+ }
+
+ /// hasSameSubclassOptionalData - Test whether the optional flags contained
+ /// in this value are equal to the optional flags in the given value.
+ bool hasSameSubclassOptionalData(const Value *V) const {
+ return SubclassOptionalData == V->SubclassOptionalData;
+ }
+
+ /// intersectOptionalDataWith - Clear any optional flags in this value
+ /// that are not also set in the given value.
+ void intersectOptionalDataWith(const Value *V) {
+ SubclassOptionalData &= V->SubclassOptionalData;
+ }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Value *) {
return true; // Values are always values.
}
};
-inline std::ostream &operator<<(std::ostream &OS, const Value &V) {
- V.print(OS);
- return OS;
-}
inline raw_ostream &operator<<(raw_ostream &OS, const Value &V) {
V.print(OS);
return OS;