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Implement a new method useful for things like the inliner

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14768 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-07-12 01:17:52 +00:00
parent 1c2fe31483
commit bbd913bb6d
1 changed files with 10 additions and 0 deletions
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10
include/llvm/GlobalValue.h
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@ -66,6 +66,16 @@ public:
inline Module *getParent() { return Parent; }
inline const Module *getParent() const { return Parent; }
/// removeDeadConstantUsers - If there are any dead constant users dangling
/// off of this global value, remove them. This method is useful for clients
/// that want to check to see if a global is unused, but don't want to deal
/// with potentially dead constants hanging off of the globals.
///
/// This function returns true if the global value is now dead. If all
/// users of this global are not dead, this method may return false and
/// leave some of them around.
bool removeDeadConstantUsers();
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const GlobalValue *T) { return true; }
static inline bool classof(const Value *V) {