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Print tag name for MDNodes that are used to encode debug info.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83160 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-09-30 20:16:54 +00:00
parent c277ab08a2
commit 2d5988d9ba
1 changed files with 29 additions and 1 deletions
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30
lib/VMCore/AsmWriter.cpp
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@ -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";
}
}