#define LLVM_TARGET_TARGETMACHINE_H
#include "llvm/ADT/StringRef.h"
+#include "llvm/IR/DataLayout.h"
#include "llvm/Pass.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Target/TargetOptions.h"
TargetMachine(const TargetMachine &) = delete;
void operator=(const TargetMachine &) = delete;
protected: // Can only create subclasses.
- TargetMachine(const Target &T, StringRef TargetTriple,
- StringRef CPU, StringRef FS, const TargetOptions &Options);
+ TargetMachine(const Target &T, StringRef DataLayoutString,
+ StringRef TargetTriple, StringRef CPU, StringRef FS,
+ const TargetOptions &Options);
/// TheTarget - The Target that this machine was created for.
const Target &TheTarget;
+ /// DataLayout - For ABI type size and alignment.
+ const DataLayout DL;
+
/// TargetTriple, TargetCPU, TargetFS - Triple string, CPU name, and target
/// feature strings the TargetMachine instance is created with.
std::string TargetTriple;
/// getDataLayout - This method returns a pointer to the DataLayout for
/// the target. It should be unchanging for every subtarget.
- virtual const DataLayout *getDataLayout() const {
- return nullptr;
- }
+ const DataLayout *getDataLayout() const { return &DL; }
/// \brief Reset the target options based on the function's attributes.
// FIXME: Remove TargetOptions that affect per-function code generation
///
class LLVMTargetMachine : public TargetMachine {
protected: // Can only create subclasses.
- LLVMTargetMachine(const Target &T, StringRef TargetTriple,
- StringRef CPU, StringRef FS, TargetOptions Options,
- Reloc::Model RM, CodeModel::Model CM,
+ LLVMTargetMachine(const Target &T, StringRef DataLayoutString,
+ StringRef TargetTriple, StringRef CPU, StringRef FS,
+ TargetOptions Options, Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL);
void initAsmInfo();
AsmInfo = TmpAsmInfo;
}
-LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
- StringRef CPU, StringRef FS,
- TargetOptions Options,
+LLVMTargetMachine::LLVMTargetMachine(const Target &T,
+ StringRef DataLayoutString,
+ StringRef Triple, StringRef CPU,
+ StringRef FS, TargetOptions Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : TargetMachine(T, Triple, CPU, FS, Options) {
+ : TargetMachine(T, DataLayoutString, Triple, CPU, FS, Options) {
CodeGenInfo = T.createMCCodeGenInfo(Triple, RM, CM, OL);
}
return make_unique<AArch64_ELFTargetObjectFile>();
}
+// Helper function to build a DataLayout string
+static std::string computeDataLayout(StringRef TT, bool LittleEndian) {
+ Triple Triple(TT);
+ if (Triple.isOSBinFormatMachO())
+ return "e-m:o-i64:64-i128:128-n32:64-S128";
+ if (LittleEndian)
+ return "e-m:e-i64:64-i128:128-n32:64-S128";
+ return "E-m:e-i64:64-i128:128-n32:64-S128";
+}
+
/// TargetMachine ctor - Create an AArch64 architecture model.
///
AArch64TargetMachine::AArch64TargetMachine(const Target &T, StringRef TT,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL,
bool LittleEndian)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
- // This nested ternary is horrible, but DL needs to be properly
- // initialized
- // before TLInfo is constructed.
- DL(Triple(TT).isOSBinFormatMachO()
- ? "e-m:o-i64:64-i128:128-n32:64-S128"
- : (LittleEndian ? "e-m:e-i64:64-i128:128-n32:64-S128"
- : "E-m:e-i64:64-i128:128-n32:64-S128")),
+ // This nested ternary is horrible, but DL needs to be properly
+ // initialized
+ // before TLInfo is constructed.
+ : LLVMTargetMachine(T, computeDataLayout(TT, LittleEndian), TT, CPU, FS,
+ Options, RM, CM, OL),
TLOF(createTLOF(Triple(getTargetTriple()))),
- Subtarget(TT, CPU, FS, *this, LittleEndian), isLittle(LittleEndian) {
+ Subtarget(TT, CPU, FS, *this, LittleEndian),
+ isLittle(LittleEndian) {
initAsmInfo();
}
class AArch64TargetMachine : public LLVMTargetMachine {
protected:
- const DataLayout DL;
std::unique_ptr<TargetLoweringObjectFile> TLOF;
AArch64Subtarget Subtarget;
mutable StringMap<std::unique_ptr<AArch64Subtarget>> SubtargetMap;
~AArch64TargetMachine() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const AArch64Subtarget *getSubtargetImpl() const override {
return &Subtarget;
}
return TargetABI;
}
-static std::string computeDataLayout(const Triple &TT,
- ARMBaseTargetMachine::ARMABI ABI,
+static std::string computeDataLayout(StringRef TT, StringRef CPU,
+ const TargetOptions &Options,
bool isLittle) {
+ const Triple Triple(TT);
+ auto ABI = computeTargetABI(Triple, CPU, Options);
std::string Ret = "";
if (isLittle)
// Big endian.
Ret += "E";
- Ret += DataLayout::getManglingComponent(TT);
+ Ret += DataLayout::getManglingComponent(Triple);
// Pointers are 32 bits and aligned to 32 bits.
Ret += "-p:32:32";
// The stack is 128 bit aligned on NaCl, 64 bit aligned on AAPCS and 32 bit
// aligned everywhere else.
- if (TT.isOSNaCl())
+ if (Triple.isOSNaCl())
Ret += "-S128";
else if (ABI == ARMBaseTargetMachine::ARM_ABI_AAPCS)
Ret += "-S64";
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL, bool isLittle)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ : LLVMTargetMachine(T, computeDataLayout(TT, CPU, Options, isLittle), TT,
+ CPU, FS, Options, RM, CM, OL),
TargetABI(computeTargetABI(Triple(TT), CPU, Options)),
- DL(computeDataLayout(Triple(TT), TargetABI, isLittle)),
TLOF(createTLOF(Triple(getTargetTriple()))),
Subtarget(TT, CPU, FS, *this, isLittle), isLittle(isLittle) {
} TargetABI;
protected:
- const DataLayout DL;
std::unique_ptr<TargetLoweringObjectFile> TLOF;
ARMSubtarget Subtarget;
bool isLittle;
const ARMSubtarget *getSubtargetImpl() const override { return &Subtarget; }
const ARMSubtarget *getSubtargetImpl(const Function &F) const override;
- const DataLayout *getDataLayout() const override { return &DL; }
bool isLittleEndian() const { return isLittle; }
/// \brief Get the TargetIRAnalysis for this target.
StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ : LLVMTargetMachine(T, "e-m:e-p:64:64-i64:64-n32:64-S128", TT, CPU, FS,
+ Options, RM, CM, OL),
TLOF(make_unique<TargetLoweringObjectFileELF>()),
- DL("e-m:e-p:64:64-i64:64-n32:64-S128"),
Subtarget(TT, CPU, FS, *this) {
initAsmInfo();
}
namespace llvm {
class BPFTargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
- const DataLayout DL;
BPFSubtarget Subtarget;
public:
};
struct CPPTargetMachine : public TargetMachine {
- CPPTargetMachine(const Target &T, StringRef TT,
- StringRef CPU, StringRef FS, const TargetOptions &Options,
- Reloc::Model RM, CodeModel::Model CM,
- CodeGenOpt::Level OL)
- : TargetMachine(T, TT, CPU, FS, Options), Subtarget() {}
+ CPPTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
+ const TargetOptions &Options, Reloc::Model RM,
+ CodeModel::Model CM, CodeGenOpt::Level OL)
+ : TargetMachine(T, "", TT, CPU, FS, Options), Subtarget() {}
+
private:
CPPSubtarget Subtarget;
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ : LLVMTargetMachine(T, "e-m:e-p:32:32-i1:32-i64:64-a:0-n32", TT, CPU, FS,
+ Options, RM, CM, OL),
TLOF(make_unique<HexagonTargetObjectFile>()),
- DL("e-m:e-p:32:32-i1:32-i64:64-a:0-n32"), Subtarget(TT, CPU, FS, *this) {
+ Subtarget(TT, CPU, FS, *this) {
initAsmInfo();
}
class HexagonTargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
- const DataLayout DL; // Calculates type size & alignment.
HexagonSubtarget Subtarget;
public:
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL);
~HexagonTargetMachine() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const HexagonSubtarget *getSubtargetImpl() const override {
return &Subtarget;
}
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ : LLVMTargetMachine(T, "e-m:e-p:16:16-i32:16:32-a:16-n8:16", TT, CPU, FS,
+ Options, RM, CM, OL),
TLOF(make_unique<TargetLoweringObjectFileELF>()),
// FIXME: Check DataLayout string.
- DL("e-m:e-p:16:16-i32:16:32-a:16-n8:16"), Subtarget(TT, CPU, FS, *this) {
+ Subtarget(TT, CPU, FS, *this) {
initAsmInfo();
}
///
class MSP430TargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
- const DataLayout DL; // Calculates type size & alignment
MSP430Subtarget Subtarget;
public:
CodeGenOpt::Level OL);
~MSP430TargetMachine() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const MSP430Subtarget *getSubtargetImpl() const override {
return &Subtarget;
}
RegisterTargetMachine<MipselTargetMachine> B(TheMips64elTarget);
}
-static std::string computeDataLayout(bool isLittle, MipsABIInfo &ABI) {
+static std::string computeDataLayout(StringRef TT, StringRef CPU,
+ const TargetOptions &Options,
+ bool isLittle) {
std::string Ret = "";
+ MipsABIInfo ABI =
+ MipsABIInfo::computeTargetABI(Triple(TT), CPU, Options.MCOptions);
// There are both little and big endian mips.
if (isLittle)
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL, bool isLittle)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ : LLVMTargetMachine(T, computeDataLayout(TT, CPU, Options, isLittle), TT,
+ CPU, FS, Options, RM, CM, OL),
isLittle(isLittle), TLOF(make_unique<MipsTargetObjectFile>()),
ABI(MipsABIInfo::computeTargetABI(Triple(TT), CPU, Options.MCOptions)),
- DL(computeDataLayout(isLittle, ABI)), Subtarget(nullptr),
- DefaultSubtarget(TT, CPU, FS, isLittle, *this),
+ Subtarget(nullptr), DefaultSubtarget(TT, CPU, FS, isLittle, *this),
NoMips16Subtarget(TT, CPU, FS.empty() ? "-mips16" : FS.str() + ",-mips16",
isLittle, *this),
Mips16Subtarget(TT, CPU, FS.empty() ? "+mips16" : FS.str() + ",+mips16",
std::unique_ptr<TargetLoweringObjectFile> TLOF;
// Selected ABI
MipsABIInfo ABI;
- const DataLayout DL; // Calculates type size & alignment
MipsSubtarget *Subtarget;
MipsSubtarget DefaultSubtarget;
MipsSubtarget NoMips16Subtarget;
TargetIRAnalysis getTargetIRAnalysis() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const MipsSubtarget *getSubtargetImpl() const override {
if (Subtarget)
return Subtarget;
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL, bool is64bit)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), is64bit(is64bit),
- TLOF(make_unique<NVPTXTargetObjectFile>()),
- DL(computeDataLayout(is64bit)), Subtarget(TT, CPU, FS, *this) {
+ : LLVMTargetMachine(T, computeDataLayout(is64bit), TT, CPU, FS, Options, RM,
+ CM, OL),
+ is64bit(is64bit), TLOF(make_unique<NVPTXTargetObjectFile>()),
+ Subtarget(TT, CPU, FS, *this) {
if (Triple(TT).getOS() == Triple::NVCL)
drvInterface = NVPTX::NVCL;
else
class NVPTXTargetMachine : public LLVMTargetMachine {
bool is64bit;
std::unique_ptr<TargetLoweringObjectFile> TLOF;
- const DataLayout DL; // Calculates type size & alignment
NVPTX::DrvInterface drvInterface;
NVPTXSubtarget Subtarget;
CodeModel::Model CM, CodeGenOpt::Level OP, bool is64bit);
~NVPTXTargetMachine() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const NVPTXSubtarget *getSubtargetImpl() const override { return &Subtarget; }
bool is64Bit() const { return is64bit; }
NVPTX::DrvInterface getDrvInterface() const { return drvInterface; }
StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : LLVMTargetMachine(T, TT, CPU, computeFSAdditions(FS, OL, TT), Options, RM,
- CM, OL),
+ : LLVMTargetMachine(T, getDataLayoutString(Triple(TT)), TT, CPU,
+ computeFSAdditions(FS, OL, TT), Options, RM, CM, OL),
TLOF(createTLOF(Triple(getTargetTriple()))),
TargetABI(computeTargetABI(Triple(TT), Options)),
- DL(getDataLayoutString(Triple(TT))), Subtarget(TT, CPU, TargetFS, *this) {
+ Subtarget(TT, CPU, TargetFS, *this) {
initAsmInfo();
}
private:
std::unique_ptr<TargetLoweringObjectFile> TLOF;
PPCABI TargetABI;
- // Calculates type size & alignment
- const DataLayout DL;
PPCSubtarget Subtarget;
mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap;
~PPCTargetMachine() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const PPCSubtarget *getSubtargetImpl() const override { return &Subtarget; }
const PPCSubtarget *getSubtargetImpl(const Function &F) const override;
TargetOptions Options, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OptLevel)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OptLevel),
- DL(computeDataLayout(TT)),
- TLOF(new TargetLoweringObjectFileELF()),
- Subtarget(TT, CPU, FS, *this), IntrinsicInfo() {
+ : LLVMTargetMachine(T, computeDataLayout(TT), TT, CPU, FS, Options, RM, CM,
+ OptLevel),
+ TLOF(new TargetLoweringObjectFileELF()), Subtarget(TT, CPU, FS, *this),
+ IntrinsicInfo() {
setRequiresStructuredCFG(true);
initAsmInfo();
}
class AMDGPUTargetMachine : public LLVMTargetMachine {
private:
- const DataLayout DL;
protected:
TargetLoweringObjectFile *TLOF;
StringRef CPU, TargetOptions Options, Reloc::Model RM,
CodeModel::Model CM, CodeGenOpt::Level OL);
~AMDGPUTargetMachine();
- // FIXME: This is currently broken, the DataLayout needs to move to
- // the target machine.
- const DataLayout *getDataLayout() const override {
- return &DL;
- }
+
const AMDGPUSubtarget *getSubtargetImpl() const override {
return &Subtarget;
}
StringRef CPU, StringRef FS,
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
- CodeGenOpt::Level OL,
- bool is64bit)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
- TLOF(make_unique<SparcELFTargetObjectFile>()),
- DL(computeDataLayout(is64bit)),
- Subtarget(TT, CPU, FS, *this, is64bit) {
+ CodeGenOpt::Level OL, bool is64bit)
+ : LLVMTargetMachine(T, computeDataLayout(is64bit), TT, CPU, FS, Options, RM,
+ CM, OL),
+ TLOF(make_unique<SparcELFTargetObjectFile>()),
+ Subtarget(TT, CPU, FS, *this, is64bit) {
initAsmInfo();
}
class SparcTargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
- const DataLayout DL;
SparcSubtarget Subtarget;
public:
SparcTargetMachine(const Target &T, StringRef TT,
CodeGenOpt::Level OL, bool is64bit);
~SparcTargetMachine() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const SparcSubtarget *getSubtargetImpl() const override { return &Subtarget; }
// Pass Pipeline Configuration
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ // Make sure that global data has at least 16 bits of alignment by
+ // default, so that we can refer to it using LARL. We don't have any
+ // special requirements for stack variables though.
+ : LLVMTargetMachine(T, "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64",
+ TT, CPU, FS, Options, RM, CM, OL),
TLOF(make_unique<TargetLoweringObjectFileELF>()),
- // Make sure that global data has at least 16 bits of alignment by
- // default, so that we can refer to it using LARL. We don't have any
- // special requirements for stack variables though.
- DL("E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64"),
Subtarget(TT, CPU, FS, *this) {
initAsmInfo();
}
class SystemZTargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
- const DataLayout DL;
SystemZSubtarget Subtarget;
public:
CodeGenOpt::Level OL);
~SystemZTargetMachine() override;
- // Override TargetMachine.
- const DataLayout *getDataLayout() const override { return &DL; }
const SystemZSubtarget *getSubtargetImpl() const override {
return &Subtarget;
}
// TargetMachine Class
//
-TargetMachine::TargetMachine(const Target &T,
+TargetMachine::TargetMachine(const Target &T, StringRef DataLayoutString,
StringRef TT, StringRef CPU, StringRef FS,
const TargetOptions &Options)
- : TheTarget(T), TargetTriple(TT), TargetCPU(CPU), TargetFS(FS),
- CodeGenInfo(nullptr), AsmInfo(nullptr),
- RequireStructuredCFG(false),
- Options(Options) {
-}
+ : TheTarget(T), DL(DataLayoutString), TargetTriple(TT), TargetCPU(CPU),
+ TargetFS(FS), CodeGenInfo(nullptr), AsmInfo(nullptr),
+ RequireStructuredCFG(false), Options(Options) {}
TargetMachine::~TargetMachine() {
delete CodeGenInfo;
StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ : LLVMTargetMachine(T, computeDataLayout(Triple(TT)), TT, CPU, FS, Options,
+ RM, CM, OL),
TLOF(createTLOF(Triple(getTargetTriple()))),
- DL(computeDataLayout(Triple(TT))),
Subtarget(TT, CPU, FS, *this, Options.StackAlignmentOverride) {
// default to hard float ABI
if (Options.FloatABIType == FloatABI::Default)
class X86TargetMachine final : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
- // Calculates type size & alignment
- const DataLayout DL;
X86Subtarget Subtarget;
mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap;
const TargetOptions &Options, Reloc::Model RM,
CodeModel::Model CM, CodeGenOpt::Level OL);
~X86TargetMachine() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const X86Subtarget *getSubtargetImpl() const override { return &Subtarget; }
const X86Subtarget *getSubtargetImpl(const Function &F) const override;
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ : LLVMTargetMachine(
+ T, "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32-f64:32-a:0:32-n32",
+ TT, CPU, FS, Options, RM, CM, OL),
TLOF(make_unique<XCoreTargetObjectFile>()),
- DL("e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32-f64:32-a:0:32-n32"),
Subtarget(TT, CPU, FS, *this) {
initAsmInfo();
}
class XCoreTargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
- const DataLayout DL; // Calculates type size & alignment
XCoreSubtarget Subtarget;
public:
XCoreTargetMachine(const Target &T, StringRef TT,
CodeGenOpt::Level OL);
~XCoreTargetMachine() override;
- const DataLayout *getDataLayout() const override { return &DL; }
const XCoreSubtarget *getSubtargetImpl() const override { return &Subtarget; }
// Pass Pipeline Configuration