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DebugInfo: Simplify Address Pool index handling.

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Since the pool indexes are necessarily sequential and contiguous, just
insert things in the right place rather than having to sort the sequence
after the fact.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185842 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2013-07-08 17:33:10 +00:00
parent 7b42bedca4
commit 5ce4091a68
1 changed files with 3 additions and 5 deletions
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8
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -2385,19 +2385,17 @@ void DwarfUnits::emitAddresses(const MCSection *AddrSection) {
// Get all of the address pool entries and put them in an array by their ID so
// we can sort them.
SmallVector<std::pair<unsigned, const MCExpr *>, 64> Entries;
SmallVector<const MCExpr *, 64> Entries(AddressPool.size());
for (DenseMap<const MCExpr *, unsigned>::iterator
I = AddressPool.begin(),
E = AddressPool.end();
I != E; ++I)
Entries.push_back(std::make_pair(I->second, I->first));
array_pod_sort(Entries.begin(), Entries.end());
Entries[I->second] = I->first;
for (unsigned i = 0, e = Entries.size(); i != e; ++i) {
// Emit an expression for reference from debug information entries.
if (const MCExpr *Expr = Entries[i].second)
if (const MCExpr *Expr = Entries[i])
Asm->OutStreamer.EmitValue(Expr, Asm->getDataLayout().getPointerSize());
else
Asm->OutStreamer.EmitIntValue(0, Asm->getDataLayout().getPointerSize());