Record variable debug info at ISel time directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79742 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
index 0537b40..5701c7c 100644
--- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
@@ -831,9 +831,6 @@
     O << '\t';
     printInlineAsm(MI);
     return;
-  case TargetInstrInfo::DECLARE:
-    printDeclare(MI);
-    return;
   case TargetInstrInfo::IMPLICIT_DEF:
     printImplicitDef(MI);
     return;
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 7a92742..2f78980 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -595,7 +595,6 @@
       MCE.emitLabel(MI.getOperand(0).getImm());
       break;
     case TargetInstrInfo::IMPLICIT_DEF:
-    case TargetInstrInfo::DECLARE:
     case X86::DWARF_LOC:
     case X86::FP_REG_KILL:
       break;
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index eb6048d..076e6c3 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -2052,47 +2052,6 @@
     }
     break;
   }
-
-  case ISD::DECLARE: {
-    // Handle DECLARE nodes here because the second operand may have been
-    // wrapped in X86ISD::Wrapper.
-    SDValue Chain = Node->getOperand(0);
-    SDValue N1 = Node->getOperand(1);
-    SDValue N2 = Node->getOperand(2);
-    FrameIndexSDNode *FINode = dyn_cast<FrameIndexSDNode>(N1);
-
-    // FIXME: We need to handle this for VLAs.
-    if (!FINode) {
-      ReplaceUses(N.getValue(0), Chain);
-      return NULL;
-    }
-
-    if (N2.getOpcode() == ISD::ADD &&
-        N2.getOperand(0).getOpcode() == X86ISD::GlobalBaseReg)
-      N2 = N2.getOperand(1);
-
-    // If N2 is not Wrapper(decriptor) then the llvm.declare is mangled
-    // somehow, just ignore it.
-    if (N2.getOpcode() != X86ISD::Wrapper &&
-        N2.getOpcode() != X86ISD::WrapperRIP) {
-      ReplaceUses(N.getValue(0), Chain);
-      return NULL;
-    }
-    GlobalAddressSDNode *GVNode =
-      dyn_cast<GlobalAddressSDNode>(N2.getOperand(0));
-    if (GVNode == 0) {
-      ReplaceUses(N.getValue(0), Chain);
-      return NULL;
-    }
-    SDValue Tmp1 = CurDAG->getTargetFrameIndex(FINode->getIndex(),
-                                               TLI.getPointerTy());
-    SDValue Tmp2 = CurDAG->getTargetGlobalAddress(GVNode->getGlobal(),
-                                                  TLI.getPointerTy());
-    SDValue Ops[] = { Tmp1, Tmp2, Chain };
-    return CurDAG->getTargetNode(TargetInstrInfo::DECLARE, dl,
-                                 MVT::Other, Ops,
-                                 array_lengthof(Ops));
-  }
   }
 
   SDNode *ResNode = SelectCode(N);
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 91b4813..72a2727 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -347,7 +347,7 @@
     setOperationAction(ISD::ATOMIC_SWAP, MVT::i64, Custom);
   }
 
-  // Use the default ISD::DBG_STOPPOINT, ISD::DECLARE expansion.
+  // Use the default ISD::DBG_STOPPOINT.
   setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
   // FIXME - use subtarget debug flags
   if (!Subtarget->isTargetDarwin() &&
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 6e8561d..b55267d 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -3000,7 +3000,6 @@
     case TargetInstrInfo::EH_LABEL:
       break;
     case TargetInstrInfo::IMPLICIT_DEF:
-    case TargetInstrInfo::DECLARE:
     case X86::DWARF_LOC:
     case X86::FP_REG_KILL:
       break;