ldc/gen/attributes.h
Martin Kinkelin 1fdf330346 Refactoring: Remove obsolete AttrBuilder wrapper
It was useful when we still supported older LLVM versions, but it's
obsolete now.
2019-03-31 19:18:56 +02:00

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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;
#if LDC_LLVM_VER >= 500
using LLAttributeSet = llvm::AttributeList;
#else
using LLAttributeSet = llvm::AttributeSet;
#endif
class AttrSet {
LLAttributeSet set;
AttrSet &add(unsigned index, const llvm::AttrBuilder &builder);
public:
AttrSet() = default;
AttrSet(const LLAttributeSet &nativeSet) : set(nativeSet) {}
AttrSet(const AttrSet &base, unsigned index, LLAttribute attribute);
#if LDC_LLVM_VER >= 500
static const unsigned FirstArgIndex = LLAttributeSet::FirstArgIndex;
#else
static const unsigned FirstArgIndex = 1;
#endif
static AttrSet
extractFunctionAndReturnAttributes(const llvm::Function *function);
AttrSet &addToParam(unsigned paramIndex, const llvm::AttrBuilder &builder) {
return add(paramIndex + FirstArgIndex, builder);
}
AttrSet &addToFunction(const llvm::AttrBuilder &builder) {
return add(LLAttributeSet::FunctionIndex, builder);
}
AttrSet &addToReturn(const llvm::AttrBuilder &builder) {
return add(LLAttributeSet::ReturnIndex, builder);
}
AttrSet &merge(const AttrSet &other);
operator LLAttributeSet &() { return set; }
operator const LLAttributeSet &() const { return set; }
};