First patch in the direction of splitting MachineCodeEmitter in two subclasses:

JITCodeEmitter and ObjectCodeEmitter. No functional changes yet. Patch by Aaron Gray



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72631 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 156 insertions, 72 deletions

diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h
index a9ac859..fe0dca6 100644
--- a/lib/Target/X86/X86.h
+++ b/lib/Target/X86/X86.h
@@ -22,6 +22,7 @@ namespace llvm {
 class X86TargetMachine;
 class FunctionPass;
 class MachineCodeEmitter;
+class JITCodeEmitter;
 class raw_ostream;
 
 /// createX86ISelDag - This pass converts a legalized DAG into a 
@@ -51,8 +52,11 @@ FunctionPass *createX86CodePrinterPass(raw_ostream &o,
 
 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
 /// to the specified MCE object.
-FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM,
-                                       MachineCodeEmitter &MCE);
+
+FunctionPass *createX86CodeEmitterPass(
+    X86TargetMachine &TM, MachineCodeEmitter &MCE);
+FunctionPass *createX86JITCodeEmitterPass(
+    X86TargetMachine &TM, JITCodeEmitter &JCE);
 
 /// createX86EmitCodeToMemory - Returns a pass that converts a register
 /// allocated function into raw machine code in a dynamically
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index efd64e0..47d7625 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -21,6 +21,7 @@
 #include "X86.h"
 #include "llvm/PassManager.h"
 #include "llvm/CodeGen/MachineCodeEmitter.h"
+#include "llvm/CodeGen/JITCodeEmitter.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
@@ -35,21 +36,22 @@ using namespace llvm;
 STATISTIC(NumEmitted, "Number of machine instructions emitted");
 
 namespace {
+template< class machineCodeEmitter>
   class VISIBILITY_HIDDEN Emitter : public MachineFunctionPass {
     const X86InstrInfo  *II;
     const TargetData    *TD;
     X86TargetMachine    &TM;
-    MachineCodeEmitter  &MCE;
+    machineCodeEmitter  &MCE;
     intptr_t PICBaseOffset;
     bool Is64BitMode;
     bool IsPIC;
   public:
     static char ID;
-    explicit Emitter(X86TargetMachine &tm, MachineCodeEmitter &mce)
+    explicit Emitter(X86TargetMachine &tm, machineCodeEmitter &mce)
       : MachineFunctionPass(&ID), II(0), TD(0), TM(tm), 
       MCE(mce), PICBaseOffset(0), Is64BitMode(false),
       IsPIC(TM.getRelocationModel() == Reloc::PIC_) {}
-    Emitter(X86TargetMachine &tm, MachineCodeEmitter &mce,
+    Emitter(X86TargetMachine &tm, machineCodeEmitter &mce,
             const X86InstrInfo &ii, const TargetData &td, bool is64)
       : MachineFunctionPass(&ID), II(&ii), TD(&td), TM(tm), 
       MCE(mce), PICBaseOffset(0), Is64BitMode(is64),
@@ -96,17 +98,31 @@ namespace {
 
     bool gvNeedsNonLazyPtr(const GlobalValue *GV);
   };
-  char Emitter::ID = 0;
+
+template< class machineCodeEmitter>
+  char Emitter<machineCodeEmitter>::ID = 0;
 }
 
 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
-/// to the specified MCE object.
-FunctionPass *llvm::createX86CodeEmitterPass(X86TargetMachine &TM,
-                                             MachineCodeEmitter &MCE) {
-  return new Emitter(TM, MCE);
+/// to the specified templated MachineCodeEmitter object.
+
+namespace llvm {
+	
+FunctionPass *createX86CodeEmitterPass(
+    X86TargetMachine &TM, MachineCodeEmitter &MCE)
+{
+  return new Emitter<MachineCodeEmitter>(TM, MCE);
+}
+FunctionPass *createX86JITCodeEmitterPass(
+    X86TargetMachine &TM, JITCodeEmitter &JCE)
+{
+  return new Emitter<JITCodeEmitter>(TM, JCE);
 }
 
-bool Emitter::runOnMachineFunction(MachineFunction &MF) {
+} // end namespace llvm
+
+template< class machineCodeEmitter>
+bool Emitter<machineCodeEmitter>::runOnMachineFunction(MachineFunction &MF) {
  
   MCE.setModuleInfo(&getAnalysis<MachineModuleInfo>());
   
@@ -140,7 +156,8 @@ bool Emitter::runOnMachineFunction(MachineFunction &MF) {
 /// necessary to resolve the address of this block later and emits a dummy
 /// value.
 ///
-void Emitter::emitPCRelativeBlockAddress(MachineBasicBlock *MBB) {
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitPCRelativeBlockAddress(MachineBasicBlock *MBB) {
   // Remember where this reference was and where it is to so we can
   // deal with it later.
   MCE.addRelocation(MachineRelocation::getBB(MCE.getCurrentPCOffset(),
@@ -151,7 +168,8 @@ void Emitter::emitPCRelativeBlockAddress(MachineBasicBlock *MBB) {
 /// emitGlobalAddress - Emit the specified address to the code stream assuming
 /// this is part of a "take the address of a global" instruction.
 ///
-void Emitter::emitGlobalAddress(GlobalValue *GV, unsigned Reloc,
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitGlobalAddress(GlobalValue *GV, unsigned Reloc,
                                 intptr_t Disp /* = 0 */,
                                 intptr_t PCAdj /* = 0 */,
                                 bool NeedStub /* = false */,
@@ -177,7 +195,8 @@ void Emitter::emitGlobalAddress(GlobalValue *GV, unsigned Reloc,
 /// emitExternalSymbolAddress - Arrange for the address of an external symbol to
 /// be emitted to the current location in the function, and allow it to be PC
 /// relative.
-void Emitter::emitExternalSymbolAddress(const char *ES, unsigned Reloc) {
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitExternalSymbolAddress(const char *ES, unsigned Reloc) {
   intptr_t RelocCST = (Reloc == X86::reloc_picrel_word) ? PICBaseOffset : 0;
   MCE.addRelocation(MachineRelocation::getExtSym(MCE.getCurrentPCOffset(),
                                                  Reloc, ES, RelocCST));
@@ -190,7 +209,8 @@ void Emitter::emitExternalSymbolAddress(const char *ES, unsigned Reloc) {
 /// emitConstPoolAddress - Arrange for the address of an constant pool
 /// to be emitted to the current location in the function, and allow it to be PC
 /// relative.
-void Emitter::emitConstPoolAddress(unsigned CPI, unsigned Reloc,
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitConstPoolAddress(unsigned CPI, unsigned Reloc,
                                    intptr_t Disp /* = 0 */,
                                    intptr_t PCAdj /* = 0 */) {
   intptr_t RelocCST = 0;
@@ -210,7 +230,8 @@ void Emitter::emitConstPoolAddress(unsigned CPI, unsigned Reloc,
 /// emitJumpTableAddress - Arrange for the address of a jump table to
 /// be emitted to the current location in the function, and allow it to be PC
 /// relative.
-void Emitter::emitJumpTableAddress(unsigned JTI, unsigned Reloc,
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitJumpTableAddress(unsigned JTI, unsigned Reloc,
                                    intptr_t PCAdj /* = 0 */) {
   intptr_t RelocCST = 0;
   if (Reloc == X86::reloc_picrel_word)
@@ -226,7 +247,8 @@ void Emitter::emitJumpTableAddress(unsigned JTI, unsigned Reloc,
     MCE.emitWordLE(0);
 }
 
-unsigned Emitter::getX86RegNum(unsigned RegNo) const {
+template< class machineCodeEmitter>
+unsigned Emitter<machineCodeEmitter>::getX86RegNum(unsigned RegNo) const {
   return II->getRegisterInfo().getX86RegNum(RegNo);
 }
 
@@ -236,20 +258,24 @@ inline static unsigned char ModRMByte(unsigned Mod, unsigned RegOpcode,
   return RM | (RegOpcode << 3) | (Mod << 6);
 }
 
-void Emitter::emitRegModRMByte(unsigned ModRMReg, unsigned RegOpcodeFld){
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitRegModRMByte(unsigned ModRMReg, unsigned RegOpcodeFld){
   MCE.emitByte(ModRMByte(3, RegOpcodeFld, getX86RegNum(ModRMReg)));
 }
 
-void Emitter::emitRegModRMByte(unsigned RegOpcodeFld) {
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitRegModRMByte(unsigned RegOpcodeFld) {
   MCE.emitByte(ModRMByte(3, RegOpcodeFld, 0));
 }
 
-void Emitter::emitSIBByte(unsigned SS, unsigned Index, unsigned Base) {
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitSIBByte(unsigned SS, unsigned Index, unsigned Base) {
   // SIB byte is in the same format as the ModRMByte...
   MCE.emitByte(ModRMByte(SS, Index, Base));
 }
 
-void Emitter::emitConstant(uint64_t Val, unsigned Size) {
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitConstant(uint64_t Val, unsigned Size) {
   // Output the constant in little endian byte order...
   for (unsigned i = 0; i != Size; ++i) {
     MCE.emitByte(Val & 255);
@@ -263,14 +289,16 @@ static bool isDisp8(int Value) {
   return Value == (signed char)Value;
 }
 
-bool Emitter::gvNeedsNonLazyPtr(const GlobalValue *GV) {
+template< class machineCodeEmitter>
+bool Emitter<machineCodeEmitter>::gvNeedsNonLazyPtr(const GlobalValue *GV) {
   // For Darwin, simulate the linktime GOT by using the same non-lazy-pointer
   // mechanism as 32-bit mode.
   return (!Is64BitMode || TM.getSubtarget<X86Subtarget>().isTargetDarwin()) &&
     TM.getSubtarget<X86Subtarget>().GVRequiresExtraLoad(GV, TM, false);
 }
 
-void Emitter::emitDisplacementField(const MachineOperand *RelocOp,
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitDisplacementField(const MachineOperand *RelocOp,
                                     int DispVal, intptr_t PCAdj) {
   // If this is a simple integer displacement that doesn't require a relocation,
   // emit it now.
@@ -304,7 +332,8 @@ void Emitter::emitDisplacementField(const MachineOperand *RelocOp,
   }
 }
 
-void Emitter::emitMemModRMByte(const MachineInstr &MI,
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitMemModRMByte(const MachineInstr &MI,
                                unsigned Op, unsigned RegOpcodeField,
                                intptr_t PCAdj) {
   const MachineOperand &Op3 = MI.getOperand(Op+3);
@@ -421,7 +450,9 @@ void Emitter::emitMemModRMByte(const MachineInstr &MI,
   }
 }
 
-void Emitter::emitInstruction(const MachineInstr &MI,
+template< class machineCodeEmitter>
+void Emitter<machineCodeEmitter>::emitInstruction(
+                              const MachineInstr &MI,
                               const TargetInstrDesc *Desc) {
   DOUT << MI;
 
@@ -773,3 +804,4 @@ void Emitter::emitInstruction(const MachineInstr &MI,
     abort();
   }
 }
+
diff --git a/lib/Target/X86/X86JITInfo.cpp b/lib/Target/X86/X86JITInfo.cpp
index 4bbccf3..f923106 100644
--- a/lib/Target/X86/X86JITInfo.cpp
+++ b/lib/Target/X86/X86JITInfo.cpp
@@ -16,7 +16,6 @@
 #include "X86Relocations.h"
 #include "X86Subtarget.h"
 #include "llvm/Function.h"
-#include "llvm/CodeGen/MachineCodeEmitter.h"
 #include "llvm/Config/alloca.h"
 #include "llvm/Support/Compiler.h"
 #include <cstdlib>
@@ -430,20 +429,20 @@ X86JITInfo::getLazyResolverFunction(JITCompilerFn F) {
 }
 
 void *X86JITInfo::emitGlobalValueIndirectSym(const GlobalValue* GV, void *ptr,
-                                             MachineCodeEmitter &MCE) {
+                                             JITCodeEmitter &JCE) {
 #if defined (X86_64_JIT)
-  MCE.startGVStub(GV, 8, 8);
-  MCE.emitWordLE((unsigned)(intptr_t)ptr);
-  MCE.emitWordLE((unsigned)(((intptr_t)ptr) >> 32));
+  JCE.startGVStub(GV, 8, 8);
+  JCE.emitWordLE((unsigned)(intptr_t)ptr);
+  JCE.emitWordLE((unsigned)(((intptr_t)ptr) >> 32));
 #else
-  MCE.startGVStub(GV, 4, 4);
-  MCE.emitWordLE((intptr_t)ptr);
+  JCE.startGVStub(GV, 4, 4);
+  JCE.emitWordLE((intptr_t)ptr);
 #endif
-  return MCE.finishGVStub(GV);
+  return JCE.finishGVStub(GV);
 }
 
 void *X86JITInfo::emitFunctionStub(const Function* F, void *Fn,
-                                   MachineCodeEmitter &MCE) {
+                                   JITCodeEmitter &JCE) {
   // Note, we cast to intptr_t here to silence a -pedantic warning that 
   // complains about casting a function pointer to a normal pointer.
 #if defined (X86_32_JIT) && !defined (_MSC_VER)
@@ -454,55 +453,55 @@ void *X86JITInfo::emitFunctionStub(const Function* F, void *Fn,
 #endif
   if (NotCC) {
 #if defined (X86_64_JIT)
-    MCE.startGVStub(F, 13, 4);
-    MCE.emitByte(0x49);          // REX prefix
-    MCE.emitByte(0xB8+2);        // movabsq r10
-    MCE.emitWordLE((unsigned)(intptr_t)Fn);
-    MCE.emitWordLE((unsigned)(((intptr_t)Fn) >> 32));
-    MCE.emitByte(0x41);          // REX prefix
-    MCE.emitByte(0xFF);          // jmpq *r10
-    MCE.emitByte(2 | (4 << 3) | (3 << 6));
+    JCE.startGVStub(F, 13, 4);
+    JCE.emitByte(0x49);          // REX prefix
+    JCE.emitByte(0xB8+2);        // movabsq r10
+    JCE.emitWordLE((unsigned)(intptr_t)Fn);
+    JCE.emitWordLE((unsigned)(((intptr_t)Fn) >> 32));
+    JCE.emitByte(0x41);          // REX prefix
+    JCE.emitByte(0xFF);          // jmpq *r10
+    JCE.emitByte(2 | (4 << 3) | (3 << 6));
 #else
-    MCE.startGVStub(F, 5, 4);
-    MCE.emitByte(0xE9);
-    MCE.emitWordLE((intptr_t)Fn-MCE.getCurrentPCValue()-4);
+    JCE.startGVStub(F, 5, 4);
+    JCE.emitByte(0xE9);
+    JCE.emitWordLE((intptr_t)Fn-JCE.getCurrentPCValue()-4);
 #endif
-    return MCE.finishGVStub(F);
+    return JCE.finishGVStub(F);
   }
 
 #if defined (X86_64_JIT)
-  MCE.startGVStub(F, 14, 4);
-  MCE.emitByte(0x49);          // REX prefix
-  MCE.emitByte(0xB8+2);        // movabsq r10
-  MCE.emitWordLE((unsigned)(intptr_t)Fn);
-  MCE.emitWordLE((unsigned)(((intptr_t)Fn) >> 32));
-  MCE.emitByte(0x41);          // REX prefix
-  MCE.emitByte(0xFF);          // callq *r10
-  MCE.emitByte(2 | (2 << 3) | (3 << 6));
+  JCE.startGVStub(F, 14, 4);
+  JCE.emitByte(0x49);          // REX prefix
+  JCE.emitByte(0xB8+2);        // movabsq r10
+  JCE.emitWordLE((unsigned)(intptr_t)Fn);
+  JCE.emitWordLE((unsigned)(((intptr_t)Fn) >> 32));
+  JCE.emitByte(0x41);          // REX prefix
+  JCE.emitByte(0xFF);          // callq *r10
+  JCE.emitByte(2 | (2 << 3) | (3 << 6));
 #else
-  MCE.startGVStub(F, 6, 4);
-  MCE.emitByte(0xE8);   // Call with 32 bit pc-rel destination...
+  JCE.startGVStub(F, 6, 4);
+  JCE.emitByte(0xE8);   // Call with 32 bit pc-rel destination...
 
-  MCE.emitWordLE((intptr_t)Fn-MCE.getCurrentPCValue()-4);
+  JCE.emitWordLE((intptr_t)Fn-JCE.getCurrentPCValue()-4);
 #endif
 
-  MCE.emitByte(0xCD);   // Interrupt - Just a marker identifying the stub!
-  return MCE.finishGVStub(F);
+  JCE.emitByte(0xCD);   // Interrupt - Just a marker identifying the stub!
+  return JCE.finishGVStub(F);
 }
 
 void X86JITInfo::emitFunctionStubAtAddr(const Function* F, void *Fn, void *Stub,
-                                        MachineCodeEmitter &MCE) {
+                                        JITCodeEmitter &JCE) {
   // Note, we cast to intptr_t here to silence a -pedantic warning that 
   // complains about casting a function pointer to a normal pointer.
-  MCE.startGVStub(F, Stub, 5);
-  MCE.emitByte(0xE9);
+  JCE.startGVStub(F, Stub, 5);
+  JCE.emitByte(0xE9);
 #if defined (X86_64_JIT)
-  assert(((((intptr_t)Fn-MCE.getCurrentPCValue()-5) << 32) >> 32) == 
-          ((intptr_t)Fn-MCE.getCurrentPCValue()-5) 
+  assert(((((intptr_t)Fn-JCE.getCurrentPCValue()-5) << 32) >> 32) == 
+          ((intptr_t)Fn-JCE.getCurrentPCValue()-5) 
          && "PIC displacement does not fit in displacement field!");
 #endif
-  MCE.emitWordLE((intptr_t)Fn-MCE.getCurrentPCValue()-4);
-  MCE.finishGVStub(F);
+  JCE.emitWordLE((intptr_t)Fn-JCE.getCurrentPCValue()-4);
+  JCE.finishGVStub(F);
 }
 
 /// getPICJumpTableEntry - Returns the value of the jumptable entry for the
diff --git a/lib/Target/X86/X86JITInfo.h b/lib/Target/X86/X86JITInfo.h
index 9affa31..6a4e214 100644
--- a/lib/Target/X86/X86JITInfo.h
+++ b/lib/Target/X86/X86JITInfo.h
@@ -15,6 +15,7 @@
 #define X86JITINFO_H
 
 #include "llvm/Function.h"
+#include "llvm/CodeGen/JITCodeEmitter.h"
 #include "llvm/Target/TargetJITInfo.h"
 
 namespace llvm {
@@ -37,23 +38,23 @@ namespace llvm {
     ///
     virtual void replaceMachineCodeForFunction(void *Old, void *New);
 
-    /// emitGlobalValueIndirectSym - Use the specified MachineCodeEmitter object
+    /// emitGlobalValueIndirectSym - Use the specified JITCodeEmitter object
     /// to emit an indirect symbol which contains the address of the specified
     /// ptr.
     virtual void *emitGlobalValueIndirectSym(const GlobalValue* GV, void *ptr,
-                                             MachineCodeEmitter &MCE);
+                                             JITCodeEmitter &JCE);
 
-    /// emitFunctionStub - Use the specified MachineCodeEmitter object to emit a
+    /// emitFunctionStub - Use the specified JITCodeEmitter object to emit a
     /// small native function that simply calls the function at the specified
     /// address.
     virtual void *emitFunctionStub(const Function* F, void *Fn,
-                                   MachineCodeEmitter &MCE);
+                                   JITCodeEmitter &JCE);
 
-    /// emitFunctionStubAtAddr - Use the specified MachineCodeEmitter object to
+    /// emitFunctionStubAtAddr - Use the specified JITCodeEmitter object to
     /// emit a small native function that simply calls Fn. Emit the stub into
     /// the supplied buffer.
     virtual void emitFunctionStubAtAddr(const Function* F, void *Fn,
-                                        void *Buffer, MachineCodeEmitter &MCE);
+                                        void *Buffer, JITCodeEmitter &JCE);
 
     /// getPICJumpTableEntry - Returns the value of the jumptable entry for the
     /// specific basic block.
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 761d098..d4673b0 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -248,6 +248,35 @@ bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
   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().
+  if (DefRelocModel == Reloc::Default && 
+        (!Subtarget.isTargetDarwin() || !Subtarget.is64Bit()))
+    setRelocationModel(Reloc::Static);
+  
+  // 64-bit JIT places everything in the same buffer except external functions.
+  // On Darwin, use small code model but hack the call instruction for 
+  // externals.  Elsewhere, do not assume globals are in the lower 4G.
+  if (Subtarget.is64Bit()) {
+    if (Subtarget.isTargetDarwin())
+      setCodeModel(CodeModel::Small);
+    else
+      setCodeModel(CodeModel::Large);
+  }
+
+  PM.add(createX86JITCodeEmitterPass(*this, JCE));
+  if (DumpAsm) {
+    assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+    if (AsmPrinterCtor)
+      PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
+  }
+
+  return false;
+}
+
 bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
                                             CodeGenOpt::Level OptLevel,
                                             bool DumpAsm,
@@ -262,6 +291,20 @@ bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
   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, OptLevel, true));
+  }
+
+  return false;
+}
+
 /// symbolicAddressesAreRIPRel - Return true if symbolic addresses are
 /// RIP-relative on this machine, taking into consideration the relocation
 /// model and subtarget. RIP-relative addresses cannot have a separate
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index c25fc1d..ecc1d39 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -83,9 +83,14 @@ public:
                                   bool Verbose, raw_ostream &Out);
   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
                               bool DumpAsm, MachineCodeEmitter &MCE);
+  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
+                              bool DumpAsm, JITCodeEmitter &JCE);
   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
                                     CodeGenOpt::Level OptLevel,
                                     bool DumpAsm, MachineCodeEmitter &MCE);
+  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
+                                    CodeGenOpt::Level OptLevel,
+                                    bool DumpAsm, JITCodeEmitter &JCE);
 
   /// symbolicAddressesAreRIPRel - Return true if symbolic addresses are
   /// RIP-relative on this machine, taking into consideration the relocation