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