Replace all weight-based interfaces in MBB with probability-based interfaces, and...

[oota-llvm.git] / lib / Target / ARM / ARMInstrInfo.cpp

diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp
index 39715aa9ad74708efdaf16fd3291262f49efa1bd..cf973d68085f281e6e8cac205ccfeaa2a964d9ac 100644 (file)
--- a/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/lib/Target/ARM/ARMInstrInfo.cpp
@@ -132,73 +132,3 @@ void ARMInstrInfo::expandLoadStackGuard(MachineBasicBlock::iterator MI,
   MIB.setMemRefs(MI->memoperands_begin(), MI->memoperands_end());
   AddDefaultPred(MIB);
 }
-
-namespace {
-/// ARMCGBR - Create Global Base Reg pass. This initializes the PIC
-/// global base register for ARM ELF.
-struct ARMCGBR : public MachineFunctionPass {
-  static char ID;
-  ARMCGBR() : MachineFunctionPass(ID) {}
-
-  bool runOnMachineFunction(MachineFunction &MF) override {
-    ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
-    if (AFI->getGlobalBaseReg() == 0)
-      return false;
-    const ARMSubtarget &STI =
-        static_cast<const ARMSubtarget &>(MF.getSubtarget());
-    // Don't do this for Thumb1.
-    if (STI.isThumb1Only())
-      return false;
-
-    const TargetMachine &TM = MF.getTarget();
-    if (TM.getRelocationModel() != Reloc::PIC_)
-      return false;
-
-    LLVMContext *Context = &MF.getFunction()->getContext();
-    unsigned ARMPCLabelIndex = AFI->createPICLabelUId();
-    unsigned PCAdj = STI.isThumb() ? 4 : 8;
-    ARMConstantPoolValue *CPV = ARMConstantPoolSymbol::Create(
-        *Context, "_GLOBAL_OFFSET_TABLE_", ARMPCLabelIndex, PCAdj);
-
-    unsigned Align =
-        MF.getDataLayout().getPrefTypeAlignment(Type::getInt32PtrTy(*Context));
-    unsigned Idx = MF.getConstantPool()->getConstantPoolIndex(CPV, Align);
-
-    MachineBasicBlock &FirstMBB = MF.front();
-    MachineBasicBlock::iterator MBBI = FirstMBB.begin();
-    DebugLoc DL = FirstMBB.findDebugLoc(MBBI);
-    unsigned TempReg =
-        MF.getRegInfo().createVirtualRegister(&ARM::rGPRRegClass);
-    unsigned Opc = STI.isThumb2() ? ARM::t2LDRpci : ARM::LDRcp;
-    const TargetInstrInfo &TII = *STI.getInstrInfo();
-    MachineInstrBuilder MIB = BuildMI(FirstMBB, MBBI, DL, TII.get(Opc), TempReg)
-                                  .addConstantPoolIndex(Idx);
-    if (Opc == ARM::LDRcp)
-      MIB.addImm(0);
-    AddDefaultPred(MIB);
-
-    // Fix the GOT address by adding pc.
-    unsigned GlobalBaseReg = AFI->getGlobalBaseReg();
-    Opc = STI.isThumb2() ? ARM::tPICADD : ARM::PICADD;
-    MIB = BuildMI(FirstMBB, MBBI, DL, TII.get(Opc), GlobalBaseReg)
-              .addReg(TempReg)
-              .addImm(ARMPCLabelIndex);
-    if (Opc == ARM::PICADD)
-      AddDefaultPred(MIB);
-
-    return true;
-  }
-
-  const char *getPassName() const override {
-    return "ARM PIC Global Base Reg Initialization";
-  }
-
-  void getAnalysisUsage(AnalysisUsage &AU) const override {
-    AU.setPreservesCFG();
-    MachineFunctionPass::getAnalysisUsage(AU);
-  }
-};
-}
-
-char ARMCGBR::ID = 0;
-FunctionPass *llvm::createARMGlobalBaseRegPass() { return new ARMCGBR(); }