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introduce an isLayoutIdentical() method, which is currently just a pointer

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equality check.

llvm-svn: 133409
This commit is contained in:
Chris Lattner 2011-06-20 03:51:04 +00:00
parent 4d1be7a5cd
commit eac148c6d4
1 changed files with 8 additions and 1 deletions
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9
include/llvm/DerivedTypes.h
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@ -232,7 +232,7 @@ public:
/// StructType::get - This static method is the primary way to create a
/// StructType.
///
static StructType *get(LLVMContext &Context, ArrayRef<const Type*> Params,
static StructType *get(LLVMContext &Context, ArrayRef<const Type*> Elements,
bool isPacked = false);
/// StructType::get - Create an empty structure type.
@ -256,6 +256,13 @@ public:
element_iterator element_begin() const { return ContainedTys; }
element_iterator element_end() const { return &ContainedTys[NumContainedTys];}
/// isLayoutIdentical - Return true if this is layout identical to the
/// specified struct.
bool isLayoutIdentical(const StructType *Other) const {
return this == Other;
}
// Random access to the elements
unsigned getNumElements() const { return NumContainedTys; }
const Type *getElementType(unsigned N) const {