X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FAsmWriterEmitter.cpp;h=6d2fa5578c9c7e99f40744ae7955d632e5e574ab;hb=249e1e4e2742977a4e3a5ba336b83168a4af43c0;hp=e2cd5dc031013edc3a7de5559e85f6cd00872606;hpb=7caa2d0ffcbb6faa37e280924d3653912cd52301;p=oota-llvm.git

diff --git a/utils/TableGen/AsmWriterEmitter.cpp b/utils/TableGen/AsmWriterEmitter.cpp
index e2cd5dc0310..6d2fa5578c9 100644
--- a/utils/TableGen/AsmWriterEmitter.cpp
+++ b/utils/TableGen/AsmWriterEmitter.cpp
@@ -48,7 +48,7 @@ namespace llvm {
     // To make VS STL happy
     AsmWriterOperand():OperandType(isLiteralTextOperand) {}
 
-    AsmWriterOperand(const std::string &LitStr)
+    explicit AsmWriterOperand(const std::string &LitStr)
       : OperandType(isLiteralTextOperand), Str(LitStr) {}
 
     AsmWriterOperand(const std::string &Printer, unsigned OpNo, 
@@ -640,6 +640,17 @@ void AsmWriterEmitter::run(std::ostream &O) {
   }
   O << "\";\n\n";
 
+  O << "  if (TAI->doesSupportDebugInformation()) {\n"
+    << "    const MachineFunction *MF = MI->getParent()->getParent();\n"
+    << "    static DebugLoc PrevDL = DebugLoc::getUnknownLoc();\n"
+    << "    DebugLoc CurDL = MI->getDebugLoc();\n\n"
+    << "    if (!CurDL.isUnknown() && PrevDL != CurDL) {\n"
+    << "      DebugLocTuple DLT = MF->getDebugLocTuple(CurDL);\n"
+    << "      printLabel(DW->RecordSourceLine(DLT.Line, DLT.Col, DLT.Src));\n"
+    << "    }\n\n"
+    << "    PrevDL = CurDL;\n"
+    << "  }\n\n";
+
   O << "  if (MI->getOpcode() == TargetInstrInfo::INLINEASM) {\n"
     << "    O << \"\\t\";\n"
     << "    printInlineAsm(MI);\n"