We are not using DBG_STOPPOINT anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89536 91177308-0d34-0410-b5e6-96231b3b80d8

13 files changed, 1 insertions, 96 deletions

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index bb1dc3f..f194e4e 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -322,8 +322,6 @@ public:
                                   unsigned char TargetFlags = 0);
   SDValue getValueType(EVT);
   SDValue getRegister(unsigned Reg, EVT VT);
-  SDValue getDbgStopPoint(DebugLoc DL, SDValue Root, 
-                          unsigned Line, unsigned Col, MDNode *CU);
   SDValue getLabel(unsigned Opcode, DebugLoc dl, SDValue Root,
                    unsigned LabelID);
   SDValue getBlockAddress(BlockAddress *BA, EVT VT,
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 01942d7..aa60ef2 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -546,12 +546,6 @@ namespace ISD {
     // HANDLENODE node - Used as a handle for various purposes.
     HANDLENODE,
 
-    // DBG_STOPPOINT - This node is used to represent a source location for
-    // debug info.  It takes token chain as input, and carries a line number,
-    // column number, and a pointer to a CompileUnit object identifying
-    // the containing compilation unit.  It produces a token chain as output.
-    DBG_STOPPOINT,
-
     // DEBUG_LOC - This node is used to represent source line information
     // embedded in the code.  It takes a token chain as input, then a line
     // number, then a column then a file id (provided by MachineModuleInfo.) It
@@ -2004,29 +1998,6 @@ public:
   }
 };
 
-class DbgStopPointSDNode : public SDNode {
-  SDUse Chain;
-  unsigned Line;
-  unsigned Column;
-  MDNode *CU;
-  friend class SelectionDAG;
-  DbgStopPointSDNode(SDValue ch, unsigned l, unsigned c,
-                     MDNode *cu)
-    : SDNode(ISD::DBG_STOPPOINT, DebugLoc::getUnknownLoc(),
-      getSDVTList(MVT::Other)), Line(l), Column(c), CU(cu) {
-    InitOperands(&Chain, ch);
-  }
-public:
-  unsigned getLine() const { return Line; }
-  unsigned getColumn() const { return Column; }
-  MDNode *getCompileUnit() const { return CU; }
-
-  static bool classof(const DbgStopPointSDNode *) { return true; }
-  static bool classof(const SDNode *N) {
-    return N->getOpcode() == ISD::DBG_STOPPOINT;
-  }
-};
-
 class BlockAddressSDNode : public SDNode {
   BlockAddress *BA;
   unsigned char TargetFlags;
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 4cd7ca1..54e55e6 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -158,7 +158,6 @@ private:
   SDValue EmitStackConvert(SDValue SrcOp, EVT SlotVT, EVT DestVT, DebugLoc dl);
   SDValue ExpandBUILD_VECTOR(SDNode *Node);
   SDValue ExpandSCALAR_TO_VECTOR(SDNode *Node);
-  SDValue ExpandDBG_STOPPOINT(SDNode *Node);
   void ExpandDYNAMIC_STACKALLOC(SDNode *Node,
                                 SmallVectorImpl<SDValue> &Results);
   SDValue ExpandFCOPYSIGN(SDNode *Node);
@@ -1596,37 +1595,6 @@ SDValue SelectionDAGLegalize::ExpandFCOPYSIGN(SDNode* Node) {
                      AbsVal);
 }
 
-SDValue SelectionDAGLegalize::ExpandDBG_STOPPOINT(SDNode* Node) {
-  DebugLoc dl = Node->getDebugLoc();
-  DwarfWriter *DW = DAG.getDwarfWriter();
-  bool useDEBUG_LOC = TLI.isOperationLegalOrCustom(ISD::DEBUG_LOC,
-                                                    MVT::Other);
-  bool useLABEL = TLI.isOperationLegalOrCustom(ISD::DBG_LABEL, MVT::Other);
-
-  const DbgStopPointSDNode *DSP = cast<DbgStopPointSDNode>(Node);
-  MDNode *CU_Node = DSP->getCompileUnit();
-  if (DW && (useDEBUG_LOC || useLABEL)) {
-
-    unsigned Line = DSP->getLine();
-    unsigned Col = DSP->getColumn();
-
-    if (OptLevel == CodeGenOpt::None) {
-      // A bit self-referential to have DebugLoc on Debug_Loc nodes, but it
-      // won't hurt anything.
-      if (useDEBUG_LOC) {
-        return DAG.getNode(ISD::DEBUG_LOC, dl, MVT::Other, Node->getOperand(0),
-                           DAG.getConstant(Line, MVT::i32),
-                           DAG.getConstant(Col, MVT::i32),
-                           DAG.getSrcValue(CU_Node));
-      } else {
-        unsigned ID = DW->RecordSourceLine(Line, Col, CU_Node);
-        return DAG.getLabel(ISD::DBG_LABEL, dl, Node->getOperand(0), ID);
-      }
-    }
-  }
-  return Node->getOperand(0);
-}
-
 void SelectionDAGLegalize::ExpandDYNAMIC_STACKALLOC(SDNode* Node,
                                            SmallVectorImpl<SDValue> &Results) {
   unsigned SPReg = TLI.getStackPointerRegisterToSaveRestore();
@@ -2282,9 +2250,6 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
   case ISD::VAEND:
     Results.push_back(Node->getOperand(0));
     break;
-  case ISD::DBG_STOPPOINT:
-    Results.push_back(ExpandDBG_STOPPOINT(Node));
-    break;
   case ISD::DYNAMIC_STACKALLOC:
     ExpandDYNAMIC_STACKALLOC(Node, Results);
     break;
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index f0837d2..94583ae 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -393,13 +393,7 @@ static void AddNodeIDCustom(FoldingSetNodeID &ID, const SDNode *N) {
   case ISD::Register:
     ID.AddInteger(cast<RegisterSDNode>(N)->getReg());
     break;
-  case ISD::DBG_STOPPOINT: {
-    const DbgStopPointSDNode *DSP = cast<DbgStopPointSDNode>(N);
-    ID.AddInteger(DSP->getLine());
-    ID.AddInteger(DSP->getColumn());
-    ID.AddPointer(DSP->getCompileUnit());
-    break;
-  }
+
   case ISD::SRCVALUE:
     ID.AddPointer(cast<SrcValueSDNode>(N)->getValue());
     break;
@@ -510,7 +504,6 @@ static bool doNotCSE(SDNode *N) {
   default: break;
   case ISD::HANDLENODE:
   case ISD::DBG_LABEL:
-  case ISD::DBG_STOPPOINT:
   case ISD::EH_LABEL:
     return true;   // Never CSE these nodes.
   }
@@ -1297,16 +1290,6 @@ SDValue SelectionDAG::getRegister(unsigned RegNo, EVT VT) {
   return SDValue(N, 0);
 }
 
-SDValue SelectionDAG::getDbgStopPoint(DebugLoc DL, SDValue Root,
-                                      unsigned Line, unsigned Col,
-                                      MDNode *CU) {
-  SDNode *N = NodeAllocator.Allocate<DbgStopPointSDNode>();
-  new (N) DbgStopPointSDNode(Root, Line, Col, CU);
-  N->setDebugLoc(DL);
-  AllNodes.push_back(N);
-  return SDValue(N, 0);
-}
-
 SDValue SelectionDAG::getLabel(unsigned Opcode, DebugLoc dl,
                                SDValue Root,
                                unsigned LabelID) {
@@ -5590,7 +5573,6 @@ std::string SDNode::getOperationName(const SelectionDAG *G) const {
   case ISD::CTLZ:    return "ctlz";
 
   // Debug info
-  case ISD::DBG_STOPPOINT: return "dbg_stoppoint";
   case ISD::DEBUG_LOC: return "debug_loc";
 
   // Trampolines
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index c3af8e6..8e3aa83 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -356,7 +356,6 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::UDIVREM, MVT::i32, Expand);
 
   // Support label based line numbers.
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
 
   setOperationAction(ISD::GlobalAddress, MVT::i32,   Custom);
diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index 9217522..3daa16b 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -128,7 +128,6 @@ AlphaTargetLowering::AlphaTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::BIT_CONVERT, MVT::f32, Promote);
 
   // We don't have line number support yet.
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
   setOperationAction(ISD::DBG_LABEL, MVT::Other, Expand);
   setOperationAction(ISD::EH_LABEL, MVT::Other, Expand);
diff --git a/lib/Target/Blackfin/BlackfinISelLowering.cpp b/lib/Target/Blackfin/BlackfinISelLowering.cpp
index c5c96f8..be281e0 100644
--- a/lib/Target/Blackfin/BlackfinISelLowering.cpp
+++ b/lib/Target/Blackfin/BlackfinISelLowering.cpp
@@ -115,7 +115,6 @@ BlackfinTargetLowering::BlackfinTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::READCYCLECOUNTER, MVT::i64, Custom);
 
   // We don't have line number support yet.
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
   setOperationAction(ISD::DBG_LABEL, MVT::Other, Expand);
   setOperationAction(ISD::EH_LABEL, MVT::Other, Expand);
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index 4dd82a6..7379049 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -388,7 +388,6 @@ SPUTargetLowering::SPUTargetLowering(SPUTargetMachine &TM)
   setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
 
   // Support label based line numbers.
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
 
   // We want to legalize GlobalAddress and ConstantPool nodes into the
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index c9a43b4..002cef6 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -133,7 +133,6 @@ MipsTargetLowering(MipsTargetMachine &TM)
   setOperationAction(ISD::FEXP,              MVT::f32,   Expand);
 
   // We don't have line number support yet.
-  setOperationAction(ISD::DBG_STOPPOINT,     MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC,         MVT::Other, Expand);
   setOperationAction(ISD::DBG_LABEL,         MVT::Other, Expand);
   setOperationAction(ISD::EH_LABEL,          MVT::Other, Expand);
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index d24f483..0ea4272 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -183,7 +183,6 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
   setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
 
   // Support label based line numbers.
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
 
   setOperationAction(ISD::EXCEPTIONADDR, MVT::i64, Expand);
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index 133f828..5cceee3 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -645,7 +645,6 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::SMUL_LOHI, MVT::i32, Expand);
 
   // We don't have line number support yet.
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
   setOperationAction(ISD::DBG_LABEL, MVT::Other, Expand);
   setOperationAction(ISD::EH_LABEL, MVT::Other, Expand);
@@ -663,7 +662,6 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32  , Custom);
 
   // No debug info support yet.
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   setOperationAction(ISD::DBG_LABEL, MVT::Other, Expand);
   setOperationAction(ISD::EH_LABEL, MVT::Other, Expand);
 
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index a149ca4..0cd6e88 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -373,8 +373,6 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
     setOperationAction(ISD::ATOMIC_SWAP, MVT::i64, Custom);
   }
 
-  // Use the default ISD::DBG_STOPPOINT.
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   // FIXME - use subtarget debug flags
   if (!Subtarget->isTargetDarwin() &&
       !Subtarget->isTargetELF() &&
diff --git a/lib/Target/XCore/XCoreISelLowering.cpp b/lib/Target/XCore/XCoreISelLowering.cpp
index 8f4886c..5946aea 100644
--- a/lib/Target/XCore/XCoreISelLowering.cpp
+++ b/lib/Target/XCore/XCoreISelLowering.cpp
@@ -143,7 +143,6 @@ XCoreTargetLowering::XCoreTargetLowering(XCoreTargetMachine &XTM)
   setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Expand);
   
   // Debug
-  setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
 
   maxStoresPerMemset = 4;