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Revert "[MC] Fix quadratic behavior in addPendingLabel()" 

This reverts commit e98f73a629.
This commit is contained in:
Alexandre Ganea 2020-04-24 16:43:10 -04:00
parent 03aa967c0d
commit 65fe71be48
2 changed files with 7 additions and 3 deletions
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2
llvm/include/llvm/MC/MCObjectStreamer.h
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@ -38,7 +38,7 @@ class MCObjectStreamer : public MCStreamer {
bool EmitEHFrame;
bool EmitDebugFrame;
SmallVector<MCSymbol *, 2> PendingLabels;
SmallPtrSet<MCSection *, 4> PendingLabelSections;
SmallVector<MCSection*, 2> PendingLabelSections;
unsigned CurSubsectionIdx;
struct PendingMCFixup {
const MCSymbol *Sym;

8
llvm/lib/MC/MCObjectStreamer.cpp
View File

@ -59,8 +59,12 @@ void MCObjectStreamer::addPendingLabel(MCSymbol* S) {
CurSection->addPendingLabel(S, CurSubsectionIdx);
// Add this Section to the list of PendingLabelSections.
PendingLabelSections.insert(CurSection);
} else
auto SecIt = std::find(PendingLabelSections.begin(),
PendingLabelSections.end(), CurSection);
if (SecIt == PendingLabelSections.end())
PendingLabelSections.push_back(CurSection);
}
else
// There is no Section / Subsection for this label yet.
PendingLabels.push_back(S);
}