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reapply r98656 unmodified, which exposed the asmprinter not

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handling constant unions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98680 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-03-16 21:25:55 +00:00
parent 2b0272e43d
commit 93b122d3c4
5 changed files with 73 additions and 4 deletions
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16
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -808,11 +808,25 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
else if (isCStr7)
AbbrevToUse = CString7Abbrev;
} else if (isa<ConstantArray>(C) || isa<ConstantStruct>(V) ||
isa<ConstantUnion>(C) || isa<ConstantVector>(V)) {
isa<ConstantVector>(V)) {
Code = bitc::CST_CODE_AGGREGATE;
for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i)
Record.push_back(VE.getValueID(C->getOperand(i)));
AbbrevToUse = AggregateAbbrev;
} else if (isa<ConstantUnion>(C)) {
Code = bitc::CST_CODE_AGGREGATE;
// Unions only have one entry but we must send type along with it.
const Type *EntryKind = C->getOperand(0)->getType();
const UnionType *UnTy = cast<UnionType>(C->getType());
int UnionIndex = UnTy->getElementTypeIndex(EntryKind);
assert(UnionIndex != -1 && "Constant union contains invalid entry");
Record.push_back(UnionIndex);
Record.push_back(VE.getValueID(C->getOperand(0)));
AbbrevToUse = AggregateAbbrev;
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
switch (CE->getOpcode()) {
default: