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llvm-mirror/lib/Target/Hexagon/HexagonTargetObjectFile.h
Sumanth Gundapaneni 8f562430f0 [Hexagon] Emit lookup tables in text section based on a flag
The flag "-hexagon-emit-lut-text" (defaulted to false) is added to decide
on where to keep the switch generated lookup table.
Differential Revision: https://reviews.llvm.org/D34818

llvm-svn: 308316
2017-07-18 15:31:37 +00:00

60 lines
2.1 KiB
C++

//===-- HexagonTargetObjectFile.h -----------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETOBJECTFILE_H
#define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETOBJECTFILE_H
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/MC/MCSectionELF.h"
namespace llvm {
class HexagonTargetObjectFile : public TargetLoweringObjectFileELF {
public:
void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
const TargetMachine &TM) const override;
MCSection *getExplicitSectionGlobal(const GlobalObject *GO,
SectionKind Kind,
const TargetMachine &TM) const override;
bool isGlobalInSmallSection(const GlobalObject *GO,
const TargetMachine &TM) const;
bool isSmallDataEnabled() const;
unsigned getSmallDataSize() const;
bool shouldPutJumpTableInFunctionSection(bool UsesLabelDifference,
const Function &F) const override;
const Function *getLutUsedFunction(const GlobalObject *GO) const;
private:
MCSectionELF *SmallDataSection;
MCSectionELF *SmallBSSSection;
unsigned getSmallestAddressableSize(const Type *Ty, const GlobalValue *GV,
const TargetMachine &TM) const;
MCSection *selectSmallSectionForGlobal(const GlobalObject *GO,
SectionKind Kind,
const TargetMachine &TM) const;
MCSection *selectSectionForLookupTable(const GlobalObject *GO,
const TargetMachine &TM,
const Function *Fn) const;
};
} // namespace llvm
#endif