#include "llvm/PassManager.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/Passes.h"
+#include "llvm/MC/MCCodeEmitter.h"
+#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
-static const MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) {
+static MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) {
Triple TheTriple(TT);
switch (TheTriple.getOS()) {
case Triple::Darwin:
case Triple::MinGW32:
case Triple::MinGW64:
case Triple::Cygwin:
- return new X86MCAsmInfoCOFF(TheTriple);
case Triple::Win32:
- return new X86WinMCAsmInfo(TheTriple);
+ return new X86MCAsmInfoCOFF(TheTriple);
default:
return new X86ELFMCAsmInfo(TheTriple);
}
}
-extern "C" void LLVMInitializeX86Disassembler();
+static MCStreamer *createMCStreamer(const Target &T, const std::string &TT,
+ MCContext &Ctx, TargetAsmBackend &TAB,
+ raw_ostream &_OS,
+ MCCodeEmitter *_Emitter,
+ bool RelaxAll) {
+ Triple TheTriple(TT);
+ switch (TheTriple.getOS()) {
+ case Triple::Win32:
+ return createWinCOFFStreamer(Ctx, TAB, *_Emitter, _OS);
+ default:
+ return createMachOStreamer(Ctx, TAB, _OS, _Emitter, RelaxAll);
+ }
+}
extern "C" void LLVMInitializeX86Target() {
// Register the target.
RegisterAsmInfoFn A(TheX86_32Target, createMCAsmInfo);
RegisterAsmInfoFn B(TheX86_64Target, createMCAsmInfo);
- LLVMInitializeX86Disassembler();
-
// Register the code emitter.
- TargetRegistry::RegisterCodeEmitter(TheX86_32Target, createX86MCCodeEmitter);
- TargetRegistry::RegisterCodeEmitter(TheX86_64Target, createX86MCCodeEmitter);
+ TargetRegistry::RegisterCodeEmitter(TheX86_32Target,
+ createX86_32MCCodeEmitter);
+ TargetRegistry::RegisterCodeEmitter(TheX86_64Target,
+ createX86_64MCCodeEmitter);
+
+ // Register the asm backend.
+ TargetRegistry::RegisterAsmBackend(TheX86_32Target,
+ createX86_32AsmBackend);
+ TargetRegistry::RegisterAsmBackend(TheX86_64Target,
+ createX86_64AsmBackend);
+
+ // Register the object streamer.
+ TargetRegistry::RegisterObjectStreamer(TheX86_32Target,
+ createMCStreamer);
+ TargetRegistry::RegisterObjectStreamer(TheX86_64Target,
+ createMCStreamer);
}
Subtarget.getStackAlignment(),
(Subtarget.isTargetWin64() ? -40 :
(Subtarget.is64Bit() ? -8 : -4))),
- InstrInfo(*this), JITInfo(*this), TLInfo(*this), ELFWriterInfo(*this) {
+ InstrInfo(*this), JITInfo(*this), TLInfo(*this), TSInfo(*this),
+ ELFWriterInfo(*this) {
DefRelocModel = getRelocationModel();
// If no relocation model was picked, default as appropriate for the target.
assert(getRelocationModel() != Reloc::Default &&
"Relocation mode not picked");
- // If no code model is picked, default to small.
- if (getCodeModel() == CodeModel::Default)
- setCodeModel(CodeModel::Small);
-
// 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 X86-32 we just
// Install an instruction selector.
PM.add(createX86ISelDag(*this, OptLevel));
- // If we're using Fast-ISel, clean up the mess.
- if (EnableFastISel)
- PM.add(createDeadMachineInstructionElimPass());
-
- // Install a pass to insert x87 FP_REG_KILL instructions, as needed.
- PM.add(createX87FPRegKillInserterPass());
+ // For 32-bit, prepend instructions to set the "global base reg" for PIC.
+ if (!Subtarget.is64Bit())
+ PM.add(createGlobalBaseRegPass());
return false;
}
bool X86TargetMachine::addPreRegAlloc(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
- // Calculate and set max stack object alignment early, so we can decide
- // whether we will need stack realignment (and thus FP).
- PM.add(createMaxStackAlignmentCalculatorPass());
+ PM.add(createX86MaxStackAlignmentHeuristicPass());
return false; // -print-machineinstr shouldn't print after this.
}
return true; // -print-machineinstr should print after this.
}
-bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- MachineCodeEmitter &MCE) {
- // FIXME: Move this to TargetJITInfo!
- // On Darwin, do not override 64-bit setting made in X86TargetMachine().
- if (DefRelocModel == Reloc::Default &&
- (!Subtarget.isTargetDarwin() || !Subtarget.is64Bit())) {
- setRelocationModel(Reloc::Static);
- Subtarget.setPICStyle(PICStyles::None);
+bool X86TargetMachine::addPreEmitPass(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
+ if (OptLevel != CodeGenOpt::None && Subtarget.hasSSE2()) {
+ PM.add(createSSEDomainFixPass());
+ return true;
}
-
- // 64-bit JIT places everything in the same buffer except external functions.
- if (Subtarget.is64Bit())
- setCodeModel(CodeModel::Large);
-
- PM.add(createX86CodeEmitterPass(*this, MCE));
-
return false;
}
Subtarget.setPICStyle(PICStyles::None);
}
- // 64-bit JIT places everything in the same buffer except external functions.
- if (Subtarget.is64Bit())
- setCodeModel(CodeModel::Large);
PM.add(createX86JITCodeEmitterPass(*this, JCE));
return false;
}
-bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- ObjectCodeEmitter &OCE) {
- PM.add(createX86ObjectCodeEmitterPass(*this, OCE));
- return false;
-}
+void X86TargetMachine::setCodeModelForStatic() {
-bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- MachineCodeEmitter &MCE) {
- PM.add(createX86CodeEmitterPass(*this, MCE));
- return false;
-}
+ if (getCodeModel() != CodeModel::Default) return;
-bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- JITCodeEmitter &JCE) {
- PM.add(createX86JITCodeEmitterPass(*this, JCE));
- return false;
+ // For static codegen, if we're not already set, use Small codegen.
+ setCodeModel(CodeModel::Small);
}
-bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- ObjectCodeEmitter &OCE) {
- PM.add(createX86ObjectCodeEmitterPass(*this, OCE));
- return false;
+
+void X86TargetMachine::setCodeModelForJIT() {
+
+ if (getCodeModel() != CodeModel::Default) return;
+
+ // 64-bit JIT places everything in the same buffer except external functions.
+ if (Subtarget.is64Bit())
+ setCodeModel(CodeModel::Large);
+ else
+ setCodeModel(CodeModel::Small);
}
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