The BLX instruction is encoded differently than the BL, because why not? In

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

diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp
index 87bb12b511542be16f1840e7da2635c610661190..6f48d967f919d72e910a861cb23df110ce32c6c1 100644 (file)
--- a/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/lib/Target/ARM/ARMInstrInfo.cpp
@@ -33,13 +33,13 @@ unsigned ARMInstrInfo::getUnindexedOpcode(unsigned Opc) const {
   default: break;
   case ARM::LDR_PRE:
   case ARM::LDR_POST:
-    return ARM::LDR;
+    return ARM::LDRi12;
   case ARM::LDRH_PRE:
   case ARM::LDRH_POST:
     return ARM::LDRH;
   case ARM::LDRB_PRE:
   case ARM::LDRB_POST:
-    return ARM::LDRB;
+    return ARM::LDRBi12;
   case ARM::LDRSH_PRE:
   case ARM::LDRSH_POST:
     return ARM::LDRSH;
@@ -48,58 +48,14 @@ unsigned ARMInstrInfo::getUnindexedOpcode(unsigned Opc) const {
     return ARM::LDRSB;
   case ARM::STR_PRE:
   case ARM::STR_POST:
-    return ARM::STR;
+    return ARM::STRi12;
   case ARM::STRH_PRE:
   case ARM::STRH_POST:
     return ARM::STRH;
   case ARM::STRB_PRE:
   case ARM::STRB_POST:
-    return ARM::STRB;
+    return ARM::STRBi12;
   }
 
   return 0;
 }
-
-bool ARMInstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB) const {
-  if (MBB.empty()) return false;
-
-  switch (MBB.back().getOpcode()) {
-  case ARM::BX_RET:   // Return.
-  case ARM::LDM_RET:
-  case ARM::B:
-  case ARM::BRIND:
-  case ARM::BR_JTr:   // Jumptable branch.
-  case ARM::BR_JTm:   // Jumptable branch through mem.
-  case ARM::BR_JTadd: // Jumptable branch add to pc.
-    return true;
-  default:
-    break;
-  }
-
-  return false;
-}
-
-void ARMInstrInfo::
-reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
-              unsigned DestReg, unsigned SubIdx, const MachineInstr *Orig,
-              const TargetRegisterInfo *TRI) const {
-  DebugLoc dl = Orig->getDebugLoc();
-  unsigned Opcode = Orig->getOpcode();
-  switch (Opcode) {
-  default:
-    break;
-  case ARM::MOVi2pieces: {
-    RI.emitLoadConstPool(MBB, I, dl,
-                         DestReg, SubIdx,
-                         Orig->getOperand(1).getImm(),
-                         (ARMCC::CondCodes)Orig->getOperand(2).getImm(),
-                         Orig->getOperand(3).getReg());
-    MachineInstr *NewMI = prior(I);
-    NewMI->getOperand(0).setSubReg(SubIdx);
-    return;
-  }
-  }
-
-  return ARMBaseInstrInfo::reMaterialize(MBB, I, DestReg, SubIdx, Orig, TRI);
-}
-