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-rw-r--r--lib/VMCore/AsmWriter.cpp30
1 files changed, 29 insertions, 1 deletions
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index 60c5b3e..fbd62dd 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -32,6 +32,7 @@
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/CFG.h"
+#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/FormattedStream.h"
@@ -869,6 +870,30 @@ static const char *getPredicateText(unsigned predicate) {
return pred;
}
+static void WriteMDNodeComment(const MDNode *Node,
+ formatted_raw_ostream &Out) {
+ if (Node->getNumElements() < 1)
+ return;
+ ConstantInt *CI = dyn_cast<ConstantInt>(Node->getElement(0));
+ if (!CI) return;
+ unsigned Val = CI->getZExtValue();
+ unsigned Tag = Val & ~LLVMDebugVersionMask;
+ if (Val >= LLVMDebugVersion) {
+ if (Tag == dwarf::DW_TAG_auto_variable)
+ Out << "; [ DW_TAG_auto_variable ]";
+ else if (Tag == dwarf::DW_TAG_arg_variable)
+ Out << "; [ DW_TAG_arg_variable ]";
+ else if (Tag == dwarf::DW_TAG_return_variable)
+ Out << "; [ DW_TAG_return_variable ]";
+ else if (Tag == dwarf::DW_TAG_vector_type)
+ Out << "; [ DW_TAG_vector_type ]";
+ else if (Tag == dwarf::DW_TAG_user_base)
+ Out << "; [ DW_TAG_user_base ]";
+ else
+ Out << "; [" << dwarf::TagString(Tag) << " ]";
+ }
+}
+
static void WriteMDNodes(formatted_raw_ostream &Out, TypePrinting &TypePrinter,
SlotTracker &Machine) {
SmallVector<const MDNode *, 16> Nodes;
@@ -898,7 +923,10 @@ static void WriteMDNodes(formatted_raw_ostream &Out, TypePrinting &TypePrinter,
if (++NI != NE)
Out << ", ";
}
- Out << "}\n";
+
+ Out << "}";
+ WriteMDNodeComment(Node, Out);
+ Out << "\n";
}
}