These were requested by Bill Wendling to simplify a Mips 16 clang change.
The test is in the code in Clang which uses these for mips 16.
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Index: include/llvm/IR/Function.h
==================================================================---
include/llvm/IR/Function.h (revision 176874)
+++ include/llvm/IR/Function.h (working copy)
@@ -181,6 +181,14 @@
AttributeSet::FunctionIndex, N));
}
+ /// addFnAttr - Add function attributes to this function.
+ ///
+ void addFnAttr(StringRef Kind) {
+ setAttributes(
+ AttributeSets.addAttribute(getContext(),
+ AttributeSet::FunctionIndex, Kind));
+ }
+
/// \brief Return true if the function has the attribute.
bool hasFnAttribute(Attribute::AttrKind Kind) const {
return AttributeSets.hasAttribute(AttributeSet::FunctionIndex, Kind);
Index: include/llvm/IR/Attributes.h
==================================================================---
include/llvm/IR/Attributes.h (revision 176874)
+++ include/llvm/IR/Attributes.h (working copy)
@@ -247,6 +247,11 @@
AttributeSet addAttribute(LLVMContext &C, unsigned Idx,
Attribute::AttrKind Attr) const;
+ /// \brief Add an attribute to the attribute set at the given index. Since
+ /// attribute sets are immutable, this returns a new set.
+ AttributeSet addAttribute(LLVMContext &C, unsigned Idx,
+ StringRef Kind) const;
+
/// \brief Add attributes to the attribute set at the given index. Since
/// attribute sets are immutable, this returns a new set.
AttributeSet addAttributes(LLVMContext &C, unsigned Idx,
Index: lib/IR/Attributes.cpp
==================================================================---
lib/IR/Attributes.cpp (revision 176874)
+++ lib/IR/Attributes.cpp (working copy)
@@ -649,6 +649,13 @@
return addAttributes(C, Idx, AttributeSet::get(C, Idx, Attr));
}
+AttributeSet AttributeSet::addAttribute(LLVMContext &C, unsigned Idx,
+ StringRef Kind) const {
+ llvm::AttrBuilder B;
+ B.addAttribute(Kind);
+ return addAttributes(C, Idx, AttributeSet::get(C, Idx, B));
+}
+
AttributeSet AttributeSet::addAttributes(LLVMContext &C, unsigned Idx,
AttributeSet Attrs) const {
if (!pImpl) return Attrs;
