Remove ISD::DEBUG_LOC and ISD::DBG_LABEL, which are no longer used.

Note that "hasDotLocAndDotFile"-style debug info was already broken;
people wanting this functionality should implement it in the
AsmPrinter/DwarfWriter code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89711 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 0 insertions, 24 deletions

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 54e55e6462..273dbf0d56 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -2243,7 +2243,6 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
     Results.push_back(DAG.getConstant(1, Node->getValueType(0)));
     break;
   case ISD::EH_RETURN:
-  case ISD::DBG_LABEL:
   case ISD::EH_LABEL:
   case ISD::PREFETCH:
   case ISD::MEMBARRIER:
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 94583ae118..8f99957084 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -200,19 +200,6 @@ bool ISD::isScalarToVector(const SDNode *N) {
   return true;
 }
 
-
-/// isDebugLabel - Return true if the specified node represents a debug
-/// label (i.e. ISD::DBG_LABEL or TargetInstrInfo::DBG_LABEL node).
-bool ISD::isDebugLabel(const SDNode *N) {
-  SDValue Zero;
-  if (N->getOpcode() == ISD::DBG_LABEL)
-    return true;
-  if (N->isMachineOpcode() &&
-      N->getMachineOpcode() == TargetInstrInfo::DBG_LABEL)
-    return true;
-  return false;
-}
-
 /// getSetCCSwappedOperands - Return the operation corresponding to (Y op X)
 /// when given the operation for (X op Y).
 ISD::CondCode ISD::getSetCCSwappedOperands(ISD::CondCode Operation) {
@@ -503,7 +490,6 @@ static bool doNotCSE(SDNode *N) {
   switch (N->getOpcode()) {
   default: break;
   case ISD::HANDLENODE:
-  case ISD::DBG_LABEL:
   case ISD::EH_LABEL:
     return true;   // Never CSE these nodes.
   }
@@ -5438,7 +5424,6 @@ std::string SDNode::getOperationName(const SelectionDAG *G) const {
   case ISD::UNDEF:         return "undef";
   case ISD::MERGE_VALUES:  return "merge_values";
   case ISD::INLINEASM:     return "inlineasm";
-  case ISD::DBG_LABEL:     return "dbg_label";
   case ISD::EH_LABEL:      return "eh_label";
   case ISD::HANDLENODE:    return "handlenode";
 
@@ -5572,9 +5557,6 @@ std::string SDNode::getOperationName(const SelectionDAG *G) const {
   case ISD::CTTZ:    return "cttz";
   case ISD::CTLZ:    return "ctlz";
 
-  // Debug info
-  case ISD::DEBUG_LOC: return "debug_loc";
-
   // Trampolines
   case ISD::TRAMPOLINE: return "trampoline";
 
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 2ca52a48c2..68bc2d6306 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -532,11 +532,6 @@ TargetLowering::TargetLowering(TargetMachine &tm,TargetLoweringObjectFile *tlof)
   InitLibcallNames(LibcallRoutineNames);
   InitCmpLibcallCCs(CmpLibcallCCs);
   InitLibcallCallingConvs(LibcallCallingConvs);
-
-  // Tell Legalize whether the assembler supports DEBUG_LOC.
-  const MCAsmInfo *TASM = TM.getMCAsmInfo();
-  if (!TASM || !TASM->hasDotLocAndDotFile())
-    setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
 }
 
 TargetLowering::~TargetLowering() {