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Add target-dependent versions of addAttribute/removeAttribute to AttrBuilder.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174356 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2013-02-05 08:09:32 +00:00
parent ca531fd486
commit ea59f896a6
2 changed files with 21 additions and 1 deletions
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8
include/llvm/IR/Attributes.h
View File

@ -20,6 +20,7 @@
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/FoldingSet.h"
#include <cassert>
#include <map>
#include <string>
namespace llvm {
@ -341,6 +342,7 @@ template<> struct DenseMapInfo<Attribute::AttrKind> {
/// equality, presence of attributes, etc.
class AttrBuilder {
DenseSet<Attribute::AttrKind> Attrs;
std::map<std::string, std::string> TargetDepAttrs;
uint64_t Alignment;
uint64_t StackAlignment;
public:
@ -361,12 +363,18 @@ public:
/// \brief Add the Attribute object to the builder.
AttrBuilder &addAttribute(Attribute A);
/// \brief Add the target-dependent attribute to the builder.
AttrBuilder &addAttribute(StringRef A, StringRef V);
/// \brief Remove an attribute from the builder.
AttrBuilder &removeAttribute(Attribute::AttrKind Val);
/// \brief Remove the attributes from the builder.
AttrBuilder &removeAttributes(AttributeSet A, uint64_t Index);
/// \brief Remove the target-dependent attribute to the builder.
AttrBuilder &removeAttribute(StringRef A);
/// \brief Return true if the builder has the specified attribute.
bool contains(Attribute::AttrKind A) const;

14
lib/IR/Attributes.cpp
View File

@ -46,7 +46,7 @@ Attribute Attribute::get(LLVMContext &Context, Constant *Kind, Constant *Val) {
pImpl->AttrsSet.InsertNode(PA, InsertPoint);
}
// Return the AttributesList that we found or created.
// Return the Attribute that we found or created.
return Attribute(PA);
}
@ -826,6 +826,11 @@ AttrBuilder &AttrBuilder::addAttribute(Attribute Attr) {
return *this;
}
AttrBuilder &AttrBuilder::addAttribute(StringRef A, StringRef V) {
TargetDepAttrs[A] = V;
return *this;
}
AttrBuilder &AttrBuilder::removeAttribute(Attribute::AttrKind Val) {
Attrs.erase(Val);
@ -861,6 +866,13 @@ AttrBuilder &AttrBuilder::removeAttributes(AttributeSet A, uint64_t Index) {
return *this;
}
AttrBuilder &AttrBuilder::removeAttribute(StringRef A) {
std::map<std::string, std::string>::iterator I = TargetDepAttrs.find(A);
if (I != TargetDepAttrs.end())
TargetDepAttrs.erase(I);
return *this;
}
AttrBuilder &AttrBuilder::addAlignmentAttr(unsigned Align) {
if (Align == 0) return *this;