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consolidate GlobalValue::isDeclaration into one

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non-virtual function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135163 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-07-14 18:10:41 +00:00
parent 791feea100
commit 6c48244973
5 changed files with 15 additions and 26 deletions
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6
include/llvm/Function.h
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@ -139,12 +139,6 @@ public:
/// arguments.
bool isVarArg() const;
/// isDeclaration - Is the body of this function unknown? (The basic block
/// list is empty if so.) This is true for function declarations, but not
/// true for function definitions.
///
virtual bool isDeclaration() const { return BasicBlocks.empty(); }
/// getIntrinsicID - This method returns the ID number of the specified
/// function, or Intrinsic::not_intrinsic if the function is not an
/// instrinsic, or if the pointer is null. This value is always defined to be

5
include/llvm/GlobalAlias.h
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@ -47,11 +47,6 @@ public:
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// isDeclaration - Is this global variable lacking an initializer? If so,
/// the global variable is defined in some other translation unit, and is thus
/// only a declaration here.
virtual bool isDeclaration() const;
/// removeFromParent - This method unlinks 'this' from the containing module,
/// but does not delete it.
///

4
include/llvm/GlobalValue.h
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@ -266,8 +266,8 @@ public:
virtual void destroyConstant();
/// isDeclaration - Return true if the primary definition of this global
/// value is outside of the current translation unit...
virtual bool isDeclaration() const = 0;
/// value is outside of the current translation unit.
bool isDeclaration() const;
/// removeFromParent - This method unlinks 'this' from the containing module,
/// but does not delete it.

5
include/llvm/GlobalVariable.h
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@ -68,11 +68,6 @@ public:
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// isDeclaration - Is this global variable lacking an initializer? If so,
/// the global variable is defined in some other translation unit, and is thus
/// only a declaration here.
virtual bool isDeclaration() const { return getNumOperands() == 0; }
/// hasInitializer - Unless a global variable isExternal(), it has an
/// initializer. The initializer for the global variable/constant is held by
/// Initializer if an initializer is specified.

21
lib/VMCore/Globals.cpp
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@ -61,6 +61,19 @@ void GlobalValue::setAlignment(unsigned Align) {
Alignment = Log2_32(Align) + 1;
assert(getAlignment() == Align && "Alignment representation error!");
}
bool GlobalValue::isDeclaration() const {
if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(this))
return GV->getNumOperands() == 0;
if (const Function *F = dyn_cast<Function>(this))
return F->empty();
const GlobalAlias *GA = cast<GlobalAlias>(this);
if (const GlobalValue *AV = GA->getAliasedGlobal())
return AV->isDeclaration();
return false;
}
//===----------------------------------------------------------------------===//
// GlobalVariable Implementation
@ -202,14 +215,6 @@ void GlobalAlias::eraseFromParent() {
getParent()->getAliasList().erase(this);
}
bool GlobalAlias::isDeclaration() const {
const GlobalValue* AV = getAliasedGlobal();
if (AV)
return AV->isDeclaration();
else
return false;
}
void GlobalAlias::setAliasee(Constant *Aliasee) {
assert((!Aliasee || Aliasee->getType() == getType()) &&
"Alias and aliasee types should match!");