llvm/clang/lib/CodeGen/CodeGenFunction.h

//===-- CodeGenFunction.h - Per-Function state for LLVM CodeGen -*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This is the internal per-function state used for llvm translation.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_CODEGEN_CODEGENFUNCTION_H
#define LLVM_CLANG_LIB_CODEGEN_CODEGENFUNCTION_H

#include "CGBuilder.h"
#include "CGDebugInfo.h"
#include "CGLoopInfo.h"
#include "CGValue.h"
#include "CodeGenModule.h"
#include "CodeGenPGO.h"
#include "EHScopeStack.h"
#include "VarBypassDetector.h"
#include "clang/AST/CharUnits.h"
#include "clang/AST/CurrentSourceLocExprScope.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ExprObjC.h"
#include "clang/AST/ExprOpenMP.h"
#include "clang/AST/StmtOpenACC.h"
#include "clang/AST/StmtOpenMP.h"
#include "clang/AST/Type.h"
#include "clang/Basic/ABI.h"
#include "clang/Basic/CapturedStmt.h"
#include "clang/Basic/CodeGenOptions.h"
#include "clang/Basic/OpenMPKinds.h"
#include "clang/Basic/TargetInfo.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/Debug.h"
#include "llvm/Transforms/Utils/SanitizerStats.h"
#include <optional>

namespace llvm {
class BasicBlock;
class LLVMContext;
class MDNode;
class SwitchInst;
class Twine;
class Value;
class CanonicalLoopInfo;
}

namespace clang {
class ASTContext;
class CXXDestructorDecl;
class CXXForRangeStmt;
class CXXTryStmt;
class Decl;
class LabelDecl;
class FunctionDecl;
class FunctionProtoType;
class LabelStmt;
class ObjCContainerDecl;
class ObjCInterfaceDecl;
class ObjCIvarDecl;
class ObjCMethodDecl;
class ObjCImplementationDecl;
class ObjCPropertyImplDecl;
class TargetInfo;
class VarDecl;
class ObjCForCollectionStmt;
class ObjCAtTryStmt;
class ObjCAtThrowStmt;
class ObjCAtSynchronizedStmt;
class ObjCAutoreleasePoolStmt;
class OMPUseDevicePtrClause;
class OMPUseDeviceAddrClause;
class SVETypeFlags;
class OMPExecutableDirective;

namespace analyze_os_log {
class OSLogBufferLayout;
}

namespace CodeGen {
class CodeGenTypes;
class CGCallee;
class CGFunctionInfo;
class CGBlockInfo;
class CGCXXABI;
class BlockByrefHelpers;
class BlockByrefInfo;
class BlockFieldFlags;
class RegionCodeGenTy;
class TargetCodeGenInfo;
struct OMPTaskDataTy;
struct CGCoroData;

/// The kind of evaluation to perform on values of a particular
/// type.  Basically, is the code in CGExprScalar, CGExprComplex, or
/// CGExprAgg?
///
/// TODO: should vectors maybe be split out into their own thing?
enum TypeEvaluationKind { … };

#define LIST_SANITIZER_CHECKS …

enum SanitizerHandler { … };

/// Helper class with most of the code for saving a value for a
/// conditional expression cleanup.
struct DominatingLLVMValue { … };

/// A partial specialization of DominatingValue for llvm::Values that
/// might be llvm::Instructions.
DominatingPointer<T, true>;

/// A specialization of DominatingValue for Address.
template <> struct DominatingValue<Address> { … };

/// A specialization of DominatingValue for RValue.
template <> struct DominatingValue<RValue> { … };

/// CodeGenFunction - This class organizes the per-function state that is used
/// while generating LLVM code.
class CodeGenFunction : public CodeGenTypeCache { … };

inline DominatingLLVMValue::saved_type
DominatingLLVMValue::save(CodeGenFunction &CGF, llvm::Value *value) { … }

inline llvm::Value *DominatingLLVMValue::restore(CodeGenFunction &CGF,
                                                 saved_type value) { … }

}  // end namespace CodeGen

// Map the LangOption for floating point exception behavior into
// the corresponding enum in the IR.
llvm::fp::ExceptionBehavior
ToConstrainedExceptMD(LangOptions::FPExceptionModeKind Kind);
}  // end namespace clang

#endif