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hoist GlobalValue::removeDeadConstantUsers up to being a method on Constant.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125828 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-02-18 04:41:42 +00:00
parent f5ebfb0d28
commit 13fb0db0c2
4 changed files with 62 additions and 58 deletions
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12
include/llvm/Constant.h
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@@ -141,16 +141,22 @@ public:
assert(0 && "Constants that do not have operands cannot be using 'From'!");
}
static Constant* getNullValue(const Type* Ty);
static Constant *getNullValue(const Type* Ty);
/// @returns the value for an integer constant of the given type that has all
/// its bits set to true.
/// @brief Get the all ones value
static Constant* getAllOnesValue(const Type* Ty);
static Constant *getAllOnesValue(const Type* Ty);
/// getIntegerValue - Return the value for an integer or pointer constant,
/// or a vector thereof, with the given scalar value.
static Constant* getIntegerValue(const Type* Ty, const APInt &V);
static Constant *getIntegerValue(const Type* Ty, const APInt &V);
/// removeDeadConstantUsers - If there are any dead constant users dangling
/// off of this constant, 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.
void removeDeadConstantUsers() const;
};
} // End llvm namespace

6
include/llvm/GlobalValue.h
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@@ -282,12 +282,6 @@ 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.
void removeDeadConstantUsers() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const GlobalValue *) { return true; }
static inline bool classof(const Value *V) {