fixup! use printReg.

Author: topperc

llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

@@ -698,7 +698,7 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
         Def->getParent()->insert(std::next(InsertPos), MI);
       } else
         LLVM_DEBUG(dbgs() << "Dropping debug info for dead vreg"
-                          << Reg.virtRegIndex() << "\n");
+                          << printReg(Reg) << '\n');
     }
 
     // Don't try and extend through copies in instruction referencing mode.

llvm/lib/Target/PowerPC/PPCMIPeephole.cpp

@@ -190,9 +190,8 @@ void PPCMIPeephole::addRegToUpdateWithLine(Register Reg, int Line) {
   if (!Reg.isVirtual())
     return;
   if (RegsToUpdate.insert(Reg).second)
-    LLVM_DEBUG(dbgs() << "Adding register: " << Reg.virtRegIndex()
-                      << " on line " << Line
-                      << " for re-computation of kill flags\n");
+    LLVM_DEBUG(dbgs() << "Adding register: " << printReg(Reg) << " on line "
+                      << Line << " for re-computation of kill flags\n");
 }
 
 // Initialize class variables.

llvm/lib/Target/WebAssembly/WebAssemblyRegColoring.cpp

@@ -311,8 +311,8 @@ bool WebAssemblyRegColoring::runOnMachineFunction(MachineFunction &MF) {
     // If we reassigned the stack pointer, update the debug frame base info.
     if (Old != New && MFI.isFrameBaseVirtual() && MFI.getFrameBaseVreg() == Old)
       MFI.setFrameBaseVreg(New);
-    LLVM_DEBUG(dbgs() << "Assigning vreg" << LI->reg().virtRegIndex()
-                      << " to vreg" << New.virtRegIndex() << "\n");
+    LLVM_DEBUG(dbgs() << "Assigning vreg " << printReg(LI->reg()) << " to vreg "
+                      << printReg(New) << "\n");
   }
   if (!Changed)
     return false;