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Minimally fix this code to not abort on mdnodes with integer data 

wider than 64 bits.

llvm-svn: 103309
This commit is contained in:
Dan Gohman 2010-05-07 22:15:24 +00:00
parent e0c5497935
commit 2fb68300a0
1 changed files with 7 additions and 5 deletions
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10
llvm/lib/VMCore/AsmWriter.cpp
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@ -2024,9 +2024,9 @@ static void WriteMDNodeComment(const MDNode *Node,
return;
ConstantInt *CI = dyn_cast_or_null<ConstantInt>(Node->getOperand(0));
if (!CI) return;
unsigned Val = CI->getZExtValue();
unsigned Tag = Val & ~LLVMDebugVersionMask;
if (Val < LLVMDebugVersion)
APInt Val = CI->getValue();
APInt Tag = Val & ~APInt(Val.getBitWidth(), LLVMDebugVersionMask);
if (Val.ult(LLVMDebugVersion))
return;
Out.PadToColumn(50);
@ -2040,9 +2040,11 @@ static void WriteMDNodeComment(const MDNode *Node,
Out << "; [ DW_TAG_vector_type ]";
else if (Tag == dwarf::DW_TAG_user_base)
Out << "; [ DW_TAG_user_base ]";
else if (const char *TagName = dwarf::TagString(Tag))
else if (Tag.isIntN(32)) {
if (const char *TagName = dwarf::TagString(Tag.getZExtValue()))
Out << "; [ " << TagName << " ]";
}
}
void AssemblyWriter::writeAllMDNodes() {
SmallVector<const MDNode *, 16> Nodes;