Move copyRegToReg from MRegisterInfo to TargetInstrInfo. This is part of the

Machine-level API cleanup instigated by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45470 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 18 insertions, 17 deletions

diff --git a/lib/CodeGen/LowerSubregs.cpp b/lib/CodeGen/LowerSubregs.cpp
index 668a9e5..4172b12 100644
--- a/lib/CodeGen/LowerSubregs.cpp
+++ b/lib/CodeGen/LowerSubregs.cpp
@@ -63,6 +63,7 @@ bool LowerSubregsInstructionPass::LowerExtract(MachineInstr *MI) {
    MachineBasicBlock *MBB = MI->getParent();
    MachineFunction &MF = *MBB->getParent();
    const MRegisterInfo &MRI = *MF.getTarget().getRegisterInfo();
+   const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
    
    assert(MI->getOperand(0).isRegister() && MI->getOperand(0).isDef() &&
           MI->getOperand(1).isRegister() && MI->getOperand(1).isUse() &&
@@ -88,7 +89,7 @@ bool LowerSubregsInstructionPass::LowerExtract(MachineInstr *MI) {
      assert(TRC == getPhysicalRegisterRegClass(MRI, SrcReg) &&
              "Extract subreg and Dst must be of same register class");
 
-     MRI.copyRegToReg(*MBB, MI, DstReg, SrcReg, TRC, TRC);
+     TII.copyRegToReg(*MBB, MI, DstReg, SrcReg, TRC, TRC);
      MachineBasicBlock::iterator dMI = MI;
      DOUT << "subreg: " << *(--dMI);
    }
@@ -103,6 +104,7 @@ bool LowerSubregsInstructionPass::LowerInsert(MachineInstr *MI) {
   MachineBasicBlock *MBB = MI->getParent();
   MachineFunction &MF = *MBB->getParent();
   const MRegisterInfo &MRI = *MF.getTarget().getRegisterInfo(); 
+  const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
   unsigned DstReg = 0;
   unsigned SrcReg = 0;
   unsigned InsReg = 0;
@@ -157,7 +159,7 @@ bool LowerSubregsInstructionPass::LowerInsert(MachineInstr *MI) {
       } else {
         TRC1 = MF.getRegInfo().getRegClass(InsReg);
       }
-      MRI.copyRegToReg(*MBB, MI, DstSubReg, InsReg, TRC1, TRC1);
+      TII.copyRegToReg(*MBB, MI, DstSubReg, InsReg, TRC1, TRC1);
 
 #ifndef NDEBUG
       MachineBasicBlock::iterator dMI = MI;
@@ -184,7 +186,7 @@ bool LowerSubregsInstructionPass::LowerInsert(MachineInstr *MI) {
     assert(TRC0 == getPhysicalRegisterRegClass(MRI, SrcReg) &&
             "Insert superreg and Dst must be of same register class");
 
-    MRI.copyRegToReg(*MBB, MI, DstReg, SrcReg, TRC0, TRC0);
+    TII.copyRegToReg(*MBB, MI, DstReg, SrcReg, TRC0, TRC0);
 
 #ifndef NDEBUG
     MachineBasicBlock::iterator dMI = MI;
@@ -206,7 +208,7 @@ bool LowerSubregsInstructionPass::LowerInsert(MachineInstr *MI) {
     } else {
       TRC1 = MF.getRegInfo().getRegClass(InsReg);
     }
-    MRI.copyRegToReg(*MBB, MI, DstSubReg, InsReg, TRC1, TRC1);
+    TII.copyRegToReg(*MBB, MI, DstSubReg, InsReg, TRC1, TRC1);
 
 #ifndef NDEBUG
     MachineBasicBlock::iterator dMI = MI;
diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp
index 764e89b..07c4ef3 100644
--- a/lib/CodeGen/PHIElimination.cpp
+++ b/lib/CodeGen/PHIElimination.cpp
@@ -134,8 +134,8 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB,
   // after any remaining phi nodes) which copies the new incoming register
   // into the phi node destination.
   //
-  const MRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
-  RegInfo->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC, RC);
+  const TargetInstrInfo *TII = MF.getTarget().getInstrInfo();
+  TII->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC, RC);
 
   // Update live variable information if there is any...
   LiveVariables *LV = getAnalysisToUpdate<LiveVariables>();
@@ -201,7 +201,7 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB,
     MachineBasicBlock::iterator I = opBlock.getFirstTerminator();
     
     // Insert the copy.
-    RegInfo->copyRegToReg(opBlock, I, IncomingReg, SrcReg, RC, RC);
+    TII->copyRegToReg(opBlock, I, IncomingReg, SrcReg, RC, RC);
 
     // Now update live variable information if we have it.  Otherwise we're done
     if (!LV) continue;
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
index f506b3e..1a5387b 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
@@ -359,7 +359,7 @@ void ScheduleDAG::EmitCopyFromReg(SDNode *Node, unsigned ResNo,
   } else {
     // Create the reg, emit the copy.
     VRBase = RegInfo.createVirtualRegister(TRC);
-    MRI->copyRegToReg(*BB, BB->end(), VRBase, SrcReg, TRC, TRC);
+    TII->copyRegToReg(*BB, BB->end(), VRBase, SrcReg, TRC, TRC);
   }
 
   if (InstanceNo > 0)
@@ -751,7 +751,7 @@ void ScheduleDAG::EmitNode(SDNode *Node, unsigned InstanceNo,
           TRC =
             MRI->getPhysicalRegisterRegClass(Node->getOperand(2).getValueType(),
                                             InReg);
-        MRI->copyRegToReg(*BB, BB->end(), DestReg, InReg, TRC, TRC);
+        TII->copyRegToReg(*BB, BB->end(), DestReg, InReg, TRC, TRC);
       }
       break;
     }
@@ -848,7 +848,7 @@ void ScheduleDAG::EmitCrossRCCopy(SUnit *SU, DenseMap<SUnit*, unsigned> &VRBaseM
         }
       }
       assert(I->Reg && "Unknown physical register!");
-      MRI->copyRegToReg(*BB, BB->end(), Reg, VRI->second,
+      TII->copyRegToReg(*BB, BB->end(), Reg, VRI->second,
                         SU->CopyDstRC, SU->CopySrcRC);
     } else {
       // Copy from physical register.
@@ -856,7 +856,7 @@ void ScheduleDAG::EmitCrossRCCopy(SUnit *SU, DenseMap<SUnit*, unsigned> &VRBaseM
       unsigned VRBase = RegInfo.createVirtualRegister(SU->CopyDstRC);
       bool isNew = VRBaseMap.insert(std::make_pair(SU, VRBase));
       assert(isNew && "Node emitted out of order - early");
-      MRI->copyRegToReg(*BB, BB->end(), VRBase, I->Reg,
+      TII->copyRegToReg(*BB, BB->end(), VRBase, I->Reg,
                         SU->CopyDstRC, SU->CopySrcRC);
     }
     break;
@@ -874,7 +874,7 @@ void ScheduleDAG::EmitSchedule() {
          E = RegInfo.livein_end(); LI != E; ++LI)
       if (LI->second) {
         const TargetRegisterClass *RC = RegInfo.getRegClass(LI->second);
-        MRI->copyRegToReg(*MF.begin(), MF.begin()->end(), LI->second,
+        TII->copyRegToReg(*MF.begin(), MF.begin()->end(), LI->second,
                           LI->first, RC, RC);
       }
   }
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index 4f92bdb..dd71bec 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -80,7 +80,6 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
   DOUT << "Machine Function\n";
   const TargetMachine &TM = MF.getTarget();
   const TargetInstrInfo &TII = *TM.getInstrInfo();
-  const MRegisterInfo &MRI = *TM.getRegisterInfo();
   LiveVariables &LV = getAnalysis<LiveVariables>();
 
   bool MadeChange = false;
@@ -193,7 +192,7 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
 
         InstructionRearranged:
           const TargetRegisterClass* rc = MF.getRegInfo().getRegClass(regA);
-          MRI.copyRegToReg(*mbbi, mi, regA, regB, rc, rc);
+          TII.copyRegToReg(*mbbi, mi, regA, regB, rc, rc);
 
           MachineBasicBlock::iterator prevMi = prior(mi);
           DOUT << "\t\tprepend:\t"; DEBUG(prevMi->print(*cerr.stream(), &TM));
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 9100054..dc21518 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -928,7 +928,7 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) {
   DOUT << MBB.getBasicBlock()->getName() << ":\n";
 
   MachineFunction &MF = *MBB.getParent();
-
+  
   // Spills - Keep track of which spilled values are available in physregs so
   // that we can choose to reuse the physregs instead of emitting reloads.
   AvailableSpills Spills(MRI, TII);
@@ -1182,7 +1182,7 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) {
         const TargetRegisterClass* RC = RegInfo->getRegClass(VirtReg);
         RegInfo->setPhysRegUsed(DesignatedReg);
         ReusedOperands.markClobbered(DesignatedReg);
-        MRI->copyRegToReg(MBB, &MI, DesignatedReg, PhysReg, RC, RC);
+        TII->copyRegToReg(MBB, &MI, DesignatedReg, PhysReg, RC, RC);
 
         MachineInstr *CopyMI = prior(MII);
         UpdateKills(*CopyMI, RegKills, KillOps);
@@ -1268,7 +1268,7 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) {
             DOUT << "Promoted Load To Copy: " << MI;
             if (DestReg != InReg) {
               const TargetRegisterClass *RC = RegInfo->getRegClass(VirtReg);
-              MRI->copyRegToReg(MBB, &MI, DestReg, InReg, RC, RC);
+              TII->copyRegToReg(MBB, &MI, DestReg, InReg, RC, RC);
               // Revisit the copy so we make sure to notice the effects of the
               // operation on the destreg (either needing to RA it if it's 
               // virtual or needing to clobber any values if it's physical).