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Add some accessor and query methods for retrieving Attribute objects and such.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175046 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2013-02-13 08:42:21 +00:00
parent 8080696103
commit 0e9d5d059c
3 changed files with 54 additions and 0 deletions
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9
include/llvm/IR/Attributes.h
View File

@ -303,6 +303,9 @@ public:
/// \brief Return true if the attribute exists at the given index.
bool hasAttribute(unsigned Index, Attribute::AttrKind Kind) const;
/// \brief Return true if the attribute exists at the given index.
bool hasAttribute(unsigned Index, StringRef Kind) const;
/// \brief Return true if attribute exists at the given index.
bool hasAttributes(unsigned Index) const;
@ -310,6 +313,12 @@ public:
/// parameter or for the return value.
bool hasAttrSomewhere(Attribute::AttrKind Attr) const;
/// \brief Return the attribute object that exists at the given index.
Attribute getAttribute(unsigned Index, Attribute::AttrKind Kind) const;
/// \brief Return the attribute object that exists at the given index.
Attribute getAttribute(unsigned Index, StringRef Kind) const;
/// \brief Return the alignment for the specified function parameter.
unsigned getParamAlignment(unsigned Idx) const;

4
lib/IR/AttributeImpl.h
View File

@ -170,8 +170,12 @@ public:
static AttributeSetNode *get(LLVMContext &C, ArrayRef<Attribute> Attrs);
bool hasAttribute(Attribute::AttrKind Kind) const;
bool hasAttribute(StringRef Kind) const;
bool hasAttributes() const { return !AttrList.empty(); }
Attribute getAttribute(Attribute::AttrKind Kind) const;
Attribute getAttribute(StringRef Kind) const;
unsigned getAlignment() const;
unsigned getStackAlignment() const;
std::string getAsString(bool InAttrGrp) const;

41
lib/IR/Attributes.cpp
View File

@ -441,6 +441,30 @@ bool AttributeSetNode::hasAttribute(Attribute::AttrKind Kind) const {
return false;
}
bool AttributeSetNode::hasAttribute(StringRef Kind) const {
for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
E = AttrList.end(); I != E; ++I)
if (I->hasAttribute(Kind))
return true;
return false;
}
Attribute AttributeSetNode::getAttribute(Attribute::AttrKind Kind) const {
for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
E = AttrList.end(); I != E; ++I)
if (I->hasAttribute(Kind))
return *I;
return Attribute();
}
Attribute AttributeSetNode::getAttribute(StringRef Kind) const {
for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
E = AttrList.end(); I != E; ++I)
if (I->hasAttribute(Kind))
return *I;
return Attribute();
}
unsigned AttributeSetNode::getAlignment() const {
for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
E = AttrList.end(); I != E; ++I)
@ -760,6 +784,11 @@ bool AttributeSet::hasAttribute(unsigned Index, Attribute::AttrKind Kind) const{
return ASN ? ASN->hasAttribute(Kind) : false;
}
bool AttributeSet::hasAttribute(unsigned Index, StringRef Kind) const {
AttributeSetNode *ASN = getAttributes(Index);
return ASN ? ASN->hasAttribute(Kind) : false;
}
bool AttributeSet::hasAttributes(unsigned Index) const {
AttributeSetNode *ASN = getAttributes(Index);
return ASN ? ASN->hasAttributes() : false;
@ -779,6 +808,18 @@ bool AttributeSet::hasAttrSomewhere(Attribute::AttrKind Attr) const {
return false;
}
Attribute AttributeSet::getAttribute(unsigned Index,
Attribute::AttrKind Kind) const {
AttributeSetNode *ASN = getAttributes(Index);
return ASN ? ASN->getAttribute(Kind) : Attribute();
}
Attribute AttributeSet::getAttribute(unsigned Index,
StringRef Kind) const {
AttributeSetNode *ASN = getAttributes(Index);
return ASN ? ASN->getAttribute(Kind) : Attribute();
}
unsigned AttributeSet::getParamAlignment(unsigned Index) const {
AttributeSetNode *ASN = getAttributes(Index);
return ASN ? ASN->getAlignment() : 0;