mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
479151ab7f
Making them inline was a historical accident, they're neither hot nor templated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206109 91177308-0d34-0410-b5e6-96231b3b80d8
116 lines
4.1 KiB
C++
116 lines
4.1 KiB
C++
//===---- llvm/MDBuilder.h - Builder for LLVM metadata ----------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the MDBuilder class, which is used as a convenient way to
|
|
// create LLVM metadata with a consistent and simplified interface.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_IR_MDBUILDER_H
|
|
#define LLVM_IR_MDBUILDER_H
|
|
|
|
#include "llvm/Support/DataTypes.h"
|
|
#include <utility>
|
|
|
|
namespace llvm {
|
|
|
|
class APInt;
|
|
template <typename T> class ArrayRef;
|
|
class LLVMContext;
|
|
class MDNode;
|
|
class MDString;
|
|
class StringRef;
|
|
|
|
class MDBuilder {
|
|
LLVMContext &Context;
|
|
|
|
public:
|
|
MDBuilder(LLVMContext &context) : Context(context) {}
|
|
|
|
/// \brief Return the given string as metadata.
|
|
MDString *createString(StringRef Str);
|
|
|
|
//===------------------------------------------------------------------===//
|
|
// FPMath metadata.
|
|
//===------------------------------------------------------------------===//
|
|
|
|
/// \brief Return metadata with the given settings. The special value 0.0
|
|
/// for the Accuracy parameter indicates the default (maximal precision)
|
|
/// setting.
|
|
MDNode *createFPMath(float Accuracy);
|
|
|
|
//===------------------------------------------------------------------===//
|
|
// Prof metadata.
|
|
//===------------------------------------------------------------------===//
|
|
|
|
/// \brief Return metadata containing two branch weights.
|
|
MDNode *createBranchWeights(uint32_t TrueWeight, uint32_t FalseWeight);
|
|
|
|
/// \brief Return metadata containing a number of branch weights.
|
|
MDNode *createBranchWeights(ArrayRef<uint32_t> Weights);
|
|
|
|
//===------------------------------------------------------------------===//
|
|
// Range metadata.
|
|
//===------------------------------------------------------------------===//
|
|
|
|
/// \brief Return metadata describing the range [Lo, Hi).
|
|
MDNode *createRange(const APInt &Lo, const APInt &Hi);
|
|
|
|
//===------------------------------------------------------------------===//
|
|
// TBAA metadata.
|
|
//===------------------------------------------------------------------===//
|
|
|
|
/// \brief Return metadata appropriate for a TBAA root node. Each returned
|
|
/// node is distinct from all other metadata and will never be identified
|
|
/// (uniqued) with anything else.
|
|
MDNode *createAnonymousTBAARoot();
|
|
|
|
/// \brief Return metadata appropriate for a TBAA root node with the given
|
|
/// name. This may be identified (uniqued) with other roots with the same
|
|
/// name.
|
|
MDNode *createTBAARoot(StringRef Name);
|
|
|
|
/// \brief Return metadata for a non-root TBAA node with the given name,
|
|
/// parent in the TBAA tree, and value for 'pointsToConstantMemory'.
|
|
MDNode *createTBAANode(StringRef Name, MDNode *Parent,
|
|
bool isConstant = false);
|
|
|
|
struct TBAAStructField {
|
|
uint64_t Offset;
|
|
uint64_t Size;
|
|
MDNode *TBAA;
|
|
TBAAStructField(uint64_t Offset, uint64_t Size, MDNode *TBAA) :
|
|
Offset(Offset), Size(Size), TBAA(TBAA) {}
|
|
};
|
|
|
|
/// \brief Return metadata for a tbaa.struct node with the given
|
|
/// struct field descriptions.
|
|
MDNode *createTBAAStructNode(ArrayRef<TBAAStructField> Fields);
|
|
|
|
/// \brief Return metadata for a TBAA struct node in the type DAG
|
|
/// with the given name, a list of pairs (offset, field type in the type DAG).
|
|
MDNode *
|
|
createTBAAStructTypeNode(StringRef Name,
|
|
ArrayRef<std::pair<MDNode *, uint64_t>> Fields);
|
|
|
|
/// \brief Return metadata for a TBAA scalar type node with the
|
|
/// given name, an offset and a parent in the TBAA type DAG.
|
|
MDNode *createTBAAScalarTypeNode(StringRef Name, MDNode *Parent,
|
|
uint64_t Offset = 0);
|
|
|
|
/// \brief Return metadata for a TBAA tag node with the given
|
|
/// base type, access type and offset relative to the base type.
|
|
MDNode *createTBAAStructTagNode(MDNode *BaseType, MDNode *AccessType,
|
|
uint64_t Offset);
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|