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//===-- gen/attributes.h - Attribute abstractions ---------------*- C++ -*-===//
//
// LDC – the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
#pragma once
#include "gen/llvm.h"
using LLAttribute = llvm::Attribute::AttrKind;
using LLAttributeList = llvm::AttributeList;
class AttrSet {
LLAttributeList set;
AttrSet &add(unsigned index, const llvm::AttrBuilder &builder);
public:
AttrSet() = default;
AttrSet(const LLAttributeList &nativeSet) : set(nativeSet) {}
AttrSet(const AttrSet &base, unsigned index, LLAttribute attribute);
static AttrSet
extractFunctionAndReturnAttributes(const llvm::Function *function);
AttrSet &addToParam(unsigned paramIndex, const llvm::AttrBuilder &builder) {
return add(LLAttributeList::FirstArgIndex + paramIndex, builder);
}
AttrSet &addToFunction(const llvm::AttrBuilder &builder) {
return add(LLAttributeList::FunctionIndex, builder);
}
AttrSet &addToReturn(const llvm::AttrBuilder &builder) {
return add(LLAttributeList::ReturnIndex, builder);
}
AttrSet &merge(const AttrSet &other);
operator LLAttributeList &() { return set; }
operator const LLAttributeList &() const { return set; }
};
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