Debug info: Modify DebugLocEntry::addValue to take multiple values so it

[opencl/llvm.git] / lib / CodeGen / AsmPrinter / DwarfDebug.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index b0ed22a5f4c6fc7c998d5a640d08374cfc6ee167..a669077f08b48fad4cc63b9e43d140c023f417b4 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1233,8 +1233,7 @@ static bool piecesOverlap(DIVariable P1, DIVariable P2) {
 void
 DwarfDebug::buildLocationList(SmallVectorImpl<DebugLocEntry> &DebugLoc,
                               const DbgValueHistoryMap::InstrRanges &Ranges) {
-  typedef std::pair<DIVariable, DebugLocEntry::Value> Range;
-  SmallVector<Range, 4> OpenRanges;
+  SmallVector<DebugLocEntry::Value, 4> OpenRanges;
 
   for (auto I = Ranges.begin(), E = Ranges.end(); I != E; ++I) {
     const MachineInstr *Begin = I->first;
@@ -1251,9 +1250,10 @@ DwarfDebug::buildLocationList(SmallVectorImpl<DebugLocEntry> &DebugLoc,
 
     // If this piece overlaps with any open ranges, truncate them.
     DIVariable DIVar = Begin->getDebugVariable();
-    auto Last = std::remove_if(OpenRanges.begin(), OpenRanges.end(), [&](Range R){
-        return piecesOverlap(DIVar, R.first);
-      });
+    auto Last = std::remove_if(OpenRanges.begin(), OpenRanges.end(),
+                  [&](DebugLocEntry::Value R) {
+                    return piecesOverlap(DIVar, DIVariable(R.getVariable()));
+                  });
     OpenRanges.erase(Last, OpenRanges.end());
 
     const MCSymbol *StartLabel = getLabelBeforeInsn(Begin);
@@ -1277,7 +1277,7 @@ DwarfDebug::buildLocationList(SmallVectorImpl<DebugLocEntry> &DebugLoc,
     // If this is a piece, it may belong to the current DebugLocEntry.
     if (DIVar.isVariablePiece()) {
       // Add this value to the list of open ranges.
-      OpenRanges.push_back(std::make_pair(DIVar, Value));
+      OpenRanges.push_back(Value);
 
       // Attempt to add the piece to the last entry.
       if (!DebugLoc.empty())
@@ -1288,8 +1288,9 @@ DwarfDebug::buildLocationList(SmallVectorImpl<DebugLocEntry> &DebugLoc,
     if (!couldMerge) {
       // Need to add a new DebugLocEntry. Add all values from still
       // valid non-overlapping pieces.
-      for (auto Range : OpenRanges)
-        Loc.addValue(Range.second);
+      if (OpenRanges.size())
+        Loc.addValues(OpenRanges);
+
       DebugLoc.push_back(std::move(Loc));
     }