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Add a Type::isSingleValueType method. This will be used by code

that currently uses Type::isFirstClassType and depends on it
returning false for struct or array types.

This commit doesn't change the behavior of Type::isFirstClassType.

llvm-svn: 51396
This commit is contained in:
Dan Gohman 2008-05-21 23:35:53 +00:00
parent 8e02953de8
commit 2804408839

View File

@ -212,9 +212,19 @@ public:
inline bool isPrimitiveType() const { return ID <= LastPrimitiveTyID; }
inline bool isDerivedType() const { return ID >= FirstDerivedTyID; }
/// isFirstClassType - Return true if the value is holdable in a register.
/// isFirstClassType - Return true if the type is "first class", meaning it
/// is a valid type for a Value.
///
inline bool isFirstClassType() const {
// Coming soon: first-class struct and array types...
return isSingleValueType();
}
/// isSingleValueType - Return true if the type is a valid type for a
/// virtual register in codegen. This includes all first-class types
/// except struct and array types.
///
inline bool isSingleValueType() const {
return (ID != VoidTyID && ID <= LastPrimitiveTyID) ||
ID == IntegerTyID || ID == PointerTyID || ID == VectorTyID;
}