#include "llvm/PassManager.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/Passes.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/FormattedStream.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetMachineRegistry.h"
using namespace llvm;
-/// X86TargetMachineModule - Note that this is used on hosts that cannot link
-/// in a library unless there are references into the library. In particular,
-/// it seems that it is not possible to get things to work on Win32 without
-/// this. Though it is unused, do not remove it.
-extern "C" int X86TargetMachineModule;
-int X86TargetMachineModule = 0;
-
// Register the target.
+extern Target TheX86_32Target;
static RegisterTarget<X86_32TargetMachine>
-X("x86", "32-bit X86: Pentium-Pro and above");
+X(TheX86_32Target, "x86", "32-bit X86: Pentium-Pro and above");
+
+extern Target TheX86_64Target;
static RegisterTarget<X86_64TargetMachine>
-Y("x86-64", "64-bit X86: EM64T and AMD64");
+Y(TheX86_64Target, "x86-64", "64-bit X86: EM64T and AMD64");
// Force static initialization.
-extern "C" void LLVMInitializeX86Target() { }
-
-// No assembler printer by default
-X86TargetMachine::AsmPrinterCtorFn X86TargetMachine::AsmPrinterCtor = 0;
+extern "C" void LLVMInitializeX86Target() {
+
+}
const TargetAsmInfo *X86TargetMachine::createTargetAsmInfo() const {
if (Subtarget.isFlavorIntel())
}
}
-unsigned X86_32TargetMachine::getJITMatchQuality() {
-#if defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86)
- return 10;
-#endif
- return 0;
-}
-
-unsigned X86_64TargetMachine::getJITMatchQuality() {
-#if defined(__x86_64__) || defined(_M_AMD64)
- return 10;
-#endif
- return 0;
-}
-
-unsigned X86_32TargetMachine::getModuleMatchQuality(const Module &M) {
- // We strongly match "i[3-9]86-*".
- std::string TT = M.getTargetTriple();
- if (TT.size() >= 5 && TT[0] == 'i' && TT[2] == '8' && TT[3] == '6' &&
- TT[4] == '-' && TT[1] - '3' < 6)
- return 20;
- // If the target triple is something non-X86, we don't match.
- if (!TT.empty()) return 0;
-
- if (M.getEndianness() == Module::LittleEndian &&
- M.getPointerSize() == Module::Pointer32)
- return 10; // Weak match
- else if (M.getEndianness() != Module::AnyEndianness ||
- M.getPointerSize() != Module::AnyPointerSize)
- return 0; // Match for some other target
-
- return getJITMatchQuality()/2;
-}
-
-unsigned X86_64TargetMachine::getModuleMatchQuality(const Module &M) {
- // We strongly match "x86_64-*".
- std::string TT = M.getTargetTriple();
- if (TT.size() >= 7 && TT[0] == 'x' && TT[1] == '8' && TT[2] == '6' &&
- TT[3] == '_' && TT[4] == '6' && TT[5] == '4' && TT[6] == '-')
- return 20;
-
- // We strongly match "amd64-*".
- if (TT.size() >= 6 && TT[0] == 'a' && TT[1] == 'm' && TT[2] == 'd' &&
- TT[3] == '6' && TT[4] == '4' && TT[5] == '-')
- return 20;
-
- // If the target triple is something non-X86-64, we don't match.
- if (!TT.empty()) return 0;
-
- if (M.getEndianness() == Module::LittleEndian &&
- M.getPointerSize() == Module::Pointer64)
- return 10; // Weak match
- else if (M.getEndianness() != Module::AnyEndianness ||
- M.getPointerSize() != Module::AnyPointerSize)
- return 0; // Match for some other target
-
- return getJITMatchQuality()/2;
-}
-
-X86_32TargetMachine::X86_32TargetMachine(const Module &M, const std::string &FS)
- : X86TargetMachine(M, FS, false) {
+X86_32TargetMachine::X86_32TargetMachine(const Target &T, const Module &M,
+ const std::string &FS)
+ : X86TargetMachine(T, M, FS, false) {
}
-X86_64TargetMachine::X86_64TargetMachine(const Module &M, const std::string &FS)
- : X86TargetMachine(M, FS, true) {
+X86_64TargetMachine::X86_64TargetMachine(const Target &T, const Module &M,
+ const std::string &FS)
+ : X86TargetMachine(T, M, FS, true) {
}
/// X86TargetMachine ctor - Create an X86 target.
///
-X86TargetMachine::X86TargetMachine(const Module &M, const std::string &FS,
- bool is64Bit)
- : Subtarget(M, FS, is64Bit),
+X86TargetMachine::X86TargetMachine(const Target &T, const Module &M,
+ const std::string &FS, bool is64Bit)
+ : LLVMTargetMachine(T),
+ Subtarget(M, FS, is64Bit),
DataLayout(Subtarget.getDataLayout()),
FrameInfo(TargetFrameInfo::StackGrowsDown,
Subtarget.getStackAlignment(), Subtarget.is64Bit() ? -8 : -4),
// ELF and X86-64 don't have a distinct DynamicNoPIC model. DynamicNoPIC
// is defined as a model for code which may be used in static or dynamic
- // executables but not necessarily a shared library. On these systems we just
- // compile in -static mode.
- if (getRelocationModel() == Reloc::DynamicNoPIC &&
- !Subtarget.isTargetDarwin())
- setRelocationModel(Reloc::Static);
+ // executables but not necessarily a shared library. On X86-32 we just
+ // compile in -static mode, in x86-64 we use PIC.
+ if (getRelocationModel() == Reloc::DynamicNoPIC) {
+ if (is64Bit)
+ setRelocationModel(Reloc::PIC_);
+ else if (!Subtarget.isTargetDarwin())
+ setRelocationModel(Reloc::Static);
+ }
// If we are on Darwin, disallow static relocation model in X86-64 mode, since
// the Mach-O file format doesn't support it.
} else if (Subtarget.isTargetDarwin()) {
if (Subtarget.is64Bit())
Subtarget.setPICStyle(PICStyles::RIPRel);
- else
- Subtarget.setPICStyle(PICStyles::Stub);
+ else if (getRelocationModel() == Reloc::PIC_)
+ Subtarget.setPICStyle(PICStyles::StubPIC);
+ else {
+ assert(getRelocationModel() == Reloc::DynamicNoPIC);
+ Subtarget.setPICStyle(PICStyles::StubDynamicNoPIC);
+ }
} else if (Subtarget.isTargetELF()) {
if (Subtarget.is64Bit())
Subtarget.setPICStyle(PICStyles::RIPRel);
return true; // -print-machineinstr should print after this.
}
-bool X86TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- bool Verbose,
- raw_ostream &Out) {
- assert(AsmPrinterCtor && "AsmPrinter was not linked in");
- if (AsmPrinterCtor)
- PM.add(AsmPrinterCtor(Out, *this, Verbose));
- return false;
-}
-
bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
- bool DumpAsm,
MachineCodeEmitter &MCE) {
// FIXME: Move this to TargetJITInfo!
// On Darwin, do not override 64-bit setting made in X86TargetMachine().
}
PM.add(createX86CodeEmitterPass(*this, MCE));
- if (DumpAsm) {
- assert(AsmPrinterCtor && "AsmPrinter was not linked in");
- if (AsmPrinterCtor)
- PM.add(AsmPrinterCtor(errs(), *this, true));
- }
return false;
}
bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
- bool DumpAsm,
JITCodeEmitter &JCE) {
// FIXME: Move this to TargetJITInfo!
// On Darwin, do not override 64-bit setting made in X86TargetMachine().
}
PM.add(createX86JITCodeEmitterPass(*this, JCE));
- if (DumpAsm) {
- assert(AsmPrinterCtor && "AsmPrinter was not linked in");
- if (AsmPrinterCtor)
- PM.add(AsmPrinterCtor(errs(), *this, true));
- }
return false;
}
bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
- bool DumpAsm,
ObjectCodeEmitter &OCE) {
PM.add(createX86ObjectCodeEmitterPass(*this, OCE));
- if (DumpAsm) {
- assert(AsmPrinterCtor && "AsmPrinter was not linked in");
- if (AsmPrinterCtor)
- PM.add(AsmPrinterCtor(errs(), *this, true));
- }
-
return false;
}
bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
- bool DumpAsm,
MachineCodeEmitter &MCE) {
PM.add(createX86CodeEmitterPass(*this, MCE));
- if (DumpAsm) {
- assert(AsmPrinterCtor && "AsmPrinter was not linked in");
- if (AsmPrinterCtor)
- PM.add(AsmPrinterCtor(errs(), *this, true));
- }
-
return false;
}
bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
- bool DumpAsm,
JITCodeEmitter &JCE) {
PM.add(createX86JITCodeEmitterPass(*this, JCE));
- if (DumpAsm) {
- assert(AsmPrinterCtor && "AsmPrinter was not linked in");
- if (AsmPrinterCtor)
- PM.add(AsmPrinterCtor(errs(), *this, true));
- }
-
return false;
}
bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
- bool DumpAsm,
ObjectCodeEmitter &OCE) {
PM.add(createX86ObjectCodeEmitterPass(*this, OCE));
- if (DumpAsm) {
- assert(AsmPrinterCtor && "AsmPrinter was not linked in");
- if (AsmPrinterCtor)
- PM.add(AsmPrinterCtor(errs(), *this, true));
- }
-
return false;
}
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