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Add a few more c'tors:

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* One that accepts a single Attribute::AttrKind.

* One that accepts an Attribute::AttrKind plus a list of values. This is for
  attributes defined like this:

    #1 = attributes { align = 4 }

* One that accepts a string, for target-specific attributes like this:

    #2 = attributes { "cpu=cortex-a8" }


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171249 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2012-12-30 02:22:16 +00:00
parent a51edf0986
commit 979aff6399
2 changed files with 29 additions and 5 deletions
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22
lib/VMCore/AttributeImpl.h
View File

@ -27,12 +27,20 @@ class LLVMContext;
//===----------------------------------------------------------------------===//
/// \class
/// \brief This class represents a single, uniqued attribute. That attribute
/// could be a single enum, a tuple, or a string. It uses a discriminated union
/// to distinguish them.
/// could be a single enum, a tuple, or a string.
class AttributeImpl : public FoldingSetNode {
Constant *Data;
SmallVector<Constant*, 0> Vals;
public:
AttributeImpl(LLVMContext &C, uint64_t data);
explicit AttributeImpl(LLVMContext &C, uint64_t data);
explicit AttributeImpl(LLVMContext &C, Attribute::AttrKind data);
AttributeImpl(LLVMContext &C, Attribute::AttrKind data,
ArrayRef<Constant*> values);
AttributeImpl(LLVMContext &C, StringRef data);
ArrayRef<Constant*> getValues() const {
return Vals;
}
bool contains(Attribute::AttrKind Kind) const;
bool contains(StringRef Kind) const;
@ -64,10 +72,14 @@ public:
static uint64_t getAttrMask(uint64_t Val);
void Profile(FoldingSetNodeID &ID) const {
Profile(ID, Data);
Profile(ID, Data, Vals);
}
static void Profile(FoldingSetNodeID &ID, Constant *Data) {
static void Profile(FoldingSetNodeID &ID, Constant *Data,
ArrayRef<Constant*> Vals) {
ID.AddPointer(Data);
for (ArrayRef<Constant*>::iterator I = Vals.begin(), E = Vals.end();
I != E; ++I)
ID.AddPointer(*I);
}
};

12
lib/VMCore/Attributes.cpp
View File

@ -301,6 +301,18 @@ uint64_t AttrBuilder::getStackAlignment() const {
AttributeImpl::AttributeImpl(LLVMContext &C, uint64_t data) {
Data = ConstantInt::get(Type::getInt64Ty(C), data);
}
AttributeImpl::AttributeImpl(LLVMContext &C, Attribute::AttrKind data) {
Data = ConstantInt::get(Type::getInt64Ty(C), data);
}
AttributeImpl::AttributeImpl(LLVMContext &C, Attribute::AttrKind data,
ArrayRef<Constant*> values) {
Data = ConstantInt::get(Type::getInt64Ty(C), data);
Vals.reserve(values.size());
Vals.append(values.begin(), values.end());
}
AttributeImpl::AttributeImpl(LLVMContext &C, StringRef data) {
Data = ConstantDataArray::getString(C, data);
}
bool AttributeImpl::contains(Attribute::AttrKind Kind) const {
if (ConstantInt *CI = dyn_cast<ConstantInt>(Data))