Rename DBG_LABEL PROLOG_LABEL, because it's only used during prolog emission and
thus is a much more meaningful name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108563 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index ed7ed14..9757205 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -614,7 +614,7 @@
       if (MI.getOperand(0).getSymbolName()[0])
         report_fatal_error("JIT does not support inline asm!");
       break;
-    case TargetOpcode::DBG_LABEL:
+    case TargetOpcode::PROLOG_LABEL:
     case TargetOpcode::GC_LABEL:
     case TargetOpcode::EH_LABEL:
       MCE.emitLabel(MI.getOperand(0).getMCSymbol());
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index a1d4344..33d2d9e 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -3327,7 +3327,7 @@
                                           *MF->getTarget().getMCAsmInfo());
       break;
     }
-    case TargetOpcode::DBG_LABEL:
+    case TargetOpcode::PROLOG_LABEL:
     case TargetOpcode::EH_LABEL:
     case TargetOpcode::DBG_VALUE:
       break;
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 5f31e00..a5134b8 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -979,7 +979,7 @@
     if (needsFrameMoves) {
       // Mark the place where EBP/RBP was saved.
       MCSymbol *FrameLabel = MMI.getContext().CreateTempSymbol();
-      BuildMI(MBB, MBBI, DL, TII.get(X86::DBG_LABEL)).addSym(FrameLabel);
+      BuildMI(MBB, MBBI, DL, TII.get(X86::PROLOG_LABEL)).addSym(FrameLabel);
 
       // Define the current CFA rule to use the provided offset.
       if (StackSize) {
@@ -1007,7 +1007,7 @@
     if (needsFrameMoves) {
       // Mark effective beginning of when frame pointer becomes valid.
       MCSymbol *FrameLabel = MMI.getContext().CreateTempSymbol();
-      BuildMI(MBB, MBBI, DL, TII.get(X86::DBG_LABEL)).addSym(FrameLabel);
+      BuildMI(MBB, MBBI, DL, TII.get(X86::PROLOG_LABEL)).addSym(FrameLabel);
 
       // Define the current CFA to use the EBP/RBP register.
       MachineLocation FPDst(FramePtr);
@@ -1047,7 +1047,7 @@
     if (!HasFP && needsFrameMoves) {
       // Mark callee-saved push instruction.
       MCSymbol *Label = MMI.getContext().CreateTempSymbol();
-      BuildMI(MBB, MBBI, DL, TII.get(X86::DBG_LABEL)).addSym(Label);
+      BuildMI(MBB, MBBI, DL, TII.get(X86::PROLOG_LABEL)).addSym(Label);
 
       // Define the current CFA rule to use the provided offset.
       unsigned Ptr = StackSize ?
@@ -1119,7 +1119,7 @@
   if ((NumBytes || PushedRegs) && needsFrameMoves) {
     // Mark end of stack pointer adjustment.
     MCSymbol *Label = MMI.getContext().CreateTempSymbol();
-    BuildMI(MBB, MBBI, DL, TII.get(X86::DBG_LABEL)).addSym(Label);
+    BuildMI(MBB, MBBI, DL, TII.get(X86::PROLOG_LABEL)).addSym(Label);
 
     if (!HasFP && NumBytes) {
       // Define the current CFA rule to use the provided offset.