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 ff4474f9080a7cdf2ee1b954c2b3f0404c302ff6..6f48d967f919d72e910a861cb23df110ce32c6c1 100644 (file)
--- a/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/lib/Target/ARM/ARMInstrInfo.cpp
@@ -21,27 +21,25 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Support/CommandLine.h"
+#include "llvm/MC/MCAsmInfo.h"
 using namespace llvm;
 
 ARMInstrInfo::ARMInstrInfo(const ARMSubtarget &STI)
   : ARMBaseInstrInfo(STI), RI(*this, STI) {
 }
 
-unsigned ARMInstrInfo::
-getUnindexedOpcode(unsigned Opc) const {
+unsigned ARMInstrInfo::getUnindexedOpcode(unsigned Opc) const {
   switch (Opc) {
   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;
@@ -50,88 +48,14 @@ 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;
 }
-
-unsigned ARMInstrInfo::
-getOpcode(ARMII::Op Op) const {
-  switch (Op) {
-  case ARMII::ADDri: return ARM::ADDri;
-  case ARMII::ADDrs: return ARM::ADDrs;
-  case ARMII::ADDrr: return ARM::ADDrr;
-  case ARMII::B: return ARM::B;
-  case ARMII::Bcc: return ARM::Bcc;
-  case ARMII::BR_JTr: return ARM::BR_JTr;
-  case ARMII::BR_JTm: return ARM::BR_JTm;
-  case ARMII::BR_JTadd: return ARM::BR_JTadd;
-  case ARMII::BX_RET: return ARM::BX_RET;
-  case ARMII::FCPYS: return ARM::FCPYS;
-  case ARMII::FCPYD: return ARM::FCPYD;
-  case ARMII::FLDD: return ARM::FLDD;
-  case ARMII::FLDS: return ARM::FLDS;
-  case ARMII::FSTD: return ARM::FSTD;
-  case ARMII::FSTS: return ARM::FSTS;
-  case ARMII::LDRrr: return ARM::LDR;
-  case ARMII::LDRri: return 0;
-  case ARMII::MOVr: return ARM::MOVr;
-  case ARMII::STRrr: return ARM::STR;
-  case ARMII::STRri: return 0;
-  case ARMII::SUBri: return ARM::SUBri;
-  case ARMII::SUBrs: return ARM::SUBrs;
-  case ARMII::SUBrr: return ARM::SUBrr;
-  case ARMII::VMOVD: return ARM::VMOVD;
-  case ARMII::VMOVQ: return ARM::VMOVQ;
-  default:
-    break;
-  }
-
-  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::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 {
-  DebugLoc dl = Orig->getDebugLoc();
-  if (Orig->getOpcode() == ARM::MOVi2pieces) {
-    RI.emitLoadConstPool(MBB, I, dl,
-                         DestReg, SubIdx,
-                         Orig->getOperand(1).getImm(),
-                         (ARMCC::CondCodes)Orig->getOperand(2).getImm(),
-                         Orig->getOperand(3).getReg());
-    return;
-  }
-
-  MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig);
-  MI->getOperand(0).setReg(DestReg);
-  MBB.insert(I, MI);
-}