Make LABEL a builtin opcode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33537 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index fa3cd57..d27e647 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -630,6 +630,8 @@
       assert(0 && "psuedo instructions should be removed before code emission");
     case TargetInstrInfo::INLINEASM:
       assert(0 && "JIT does not support inline asm!\n");
+    case TargetInstrInfo::LABEL:
+      assert(0 && "JIT does not support meta labels!\n");
     case X86::IMPLICIT_USE:
     case X86::IMPLICIT_DEF:
     case X86::IMPLICIT_DEF_GR8:
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 0c2c4e6..9f9fb72 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -235,7 +235,7 @@
   if (!Subtarget->isTargetDarwin() &&
       !Subtarget->isTargetELF() &&
       !Subtarget->isTargetCygMing())
-    setOperationAction(ISD::DEBUG_LABEL, MVT::Other, Expand);
+    setOperationAction(ISD::LABEL, MVT::Other, Expand);
 
   // VASTART needs to be custom lowered to use the VarArgsFrameIndex
   setOperationAction(ISD::VASTART           , MVT::Other, Custom);
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 452eb1f..87f04b8 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -26,14 +26,6 @@
     TM(tm), RI(tm, *this) {
 }
 
-/// getDWARF_LABELOpcode - Return the opcode of the target's DWARF_LABEL
-/// instruction if it has one.  This is used by codegen passes that update
-/// DWARF line number info as they modify the code.
-unsigned X86InstrInfo::getDWARF_LABELOpcode() const {
-  return X86::DWARF_LABEL;
-}
-
-
 bool X86InstrInfo::isMoveInstr(const MachineInstr& MI,
                                unsigned& sourceReg,
                                unsigned& destReg) const {
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index 4e79c71..b753a88 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -237,11 +237,6 @@
   unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
   unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
   
-  /// getDWARF_LABELOpcode - Return the opcode of the target's DWARF_LABEL
-  /// instruction if it has one.  This is used by codegen passes that update
-  /// DWARF line number info as they modify the code.
-  virtual unsigned getDWARF_LABELOpcode() const;
-  
   /// convertToThreeAddress - This method must be implemented by targets that
   /// set the M_CONVERTIBLE_TO_3_ADDR flag.  When this flag is set, the target
   /// may be able to convert a two-address instruction into a true
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 8518e67..50bef56 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -2449,10 +2449,6 @@
                     [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
                       (i32 imm:$file))]>;
 
-def DWARF_LABEL : I<0, Pseudo, (ops i32imm:$id), 
-                    "\n${:private}debug_loc${id:debug}:",
-                    [(dwarf_label (i32 imm:$id))]>;
-
 //===----------------------------------------------------------------------===//
 // Non-Instruction Patterns
 //===----------------------------------------------------------------------===//
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index c47d1c7..4b13dac 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -1026,7 +1026,7 @@
   if (hasInfo) {
     // Mark effective beginning of when frame pointer becomes valid.
     FrameLabelId = DebugInfo->NextLabelID();
-    BuildMI(MBB, MBBI, TII.get(X86::DWARF_LABEL)).addImm(FrameLabelId);
+    BuildMI(MBB, MBBI, TII.get(X86::LABEL)).addImm(FrameLabelId);
   }
   
   if (hasFP(MF)) {
@@ -1078,7 +1078,7 @@
     
     // Mark effective beginning of when frame pointer is ready.
     unsigned ReadyLabelId = DebugInfo->NextLabelID();
-    BuildMI(MBB, MBBI, TII.get(X86::DWARF_LABEL)).addImm(ReadyLabelId);
+    BuildMI(MBB, MBBI, TII.get(X86::LABEL)).addImm(ReadyLabelId);
     
     MachineLocation FPDst(hasFP(MF) ? FramePtr : StackPtr);
     MachineLocation FPSrc(MachineLocation::VirtualFP);