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Make it possible to get an empty struct using
the new StructType::get method. The second NULL is to pacify the gcc warning mechanism. This patch compiles but is otherwise untested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48645 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -221,8 +221,9 @@ public:
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bool isPacked=false);
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/// StructType::get - This static method is a convenience method for
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/// creating structure types by specifying the elements as arguments. Note
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/// that this method always returns a non-packed struct.
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/// creating structure types by specifying the elements as arguments.
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/// Note that this method always returns a non-packed struct. To get
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/// an empty struct, pass NULL, NULL.
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static StructType *get(const Type *type, ...) END_WITH_NULL;
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// Iterator access to the elements
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@ -1252,9 +1252,10 @@ StructType *StructType::get(const Type *type, ...) {
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va_list ap;
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std::vector<const llvm::Type*> StructFields;
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va_start(ap, type);
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do {
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while (type) {
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StructFields.push_back(type);
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} while ((type = va_arg(ap, llvm::Type*)));
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type = va_arg(ap, llvm::Type*);
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}
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return llvm::StructType::get(StructFields);
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}
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