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Make isExtern() be a virtual function inherited from GlobalValue

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4101 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-10-09 23:11:33 +00:00
parent e3dcf2ea70
commit 4bbd839d10
3 changed files with 10 additions and 5 deletions
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2
include/llvm/Function.h
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@ -85,7 +85,7 @@ public:
/// is empty if so) this is true for external functions, defined as forward
/// "declare"ations
///
bool isExternal() const { return BasicBlocks.empty(); }
virtual bool isExternal() const { return BasicBlocks.empty(); }
// getNext/Prev - Return the next or previous function in the list. These
// methods should never be used directly, and are only used to implement the

11
include/llvm/GlobalValue.h
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@ -26,17 +26,22 @@ protected:
public:
~GlobalValue() {}
// getType - Global values are always pointers.
/// getType - Global values are always pointers.
inline const PointerType *getType() const {
return (const PointerType*)User::getType();
}
// Internal Linkage - True if the global value is inaccessible to
/// Internal Linkage - True if the global value is inaccessible to
bool hasInternalLinkage() const { return HasInternalLinkage; }
bool hasExternalLinkage() const { return !HasInternalLinkage; }
void setInternalLinkage(bool HIL) { HasInternalLinkage = HIL; }
// Get the module that this global value is contained inside of...
/// isExternal - Return true if the primary definition of this global value is
/// outside of the current translation unit...
virtual bool isExternal() const = 0;
/// getParent - Get the module that this global value is contained inside
/// of...
inline Module *getParent() { return Parent; }
inline const Module *getParent() const { return Parent; }

2
include/llvm/GlobalVariable.h
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@ -46,7 +46,7 @@ public:
/// global variable is defined in some other translation unit, and is thus
/// externally defined here.
///
bool isExternal() const { return Operands.empty(); }
virtual bool isExternal() const { return Operands.empty(); }
/// hasInitializer - Unless a global variable isExternal(), it has an
/// initializer. The initializer for the global variable/constant is held by