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Use more realistically sized vectors. Reserve capacity if we know in advance

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how much will be used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37515 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2007-06-08 08:59:11 +00:00
parent 900997ba3b
commit 6cc7608213
1 changed files with 7 additions and 4 deletions
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11
lib/CodeGen/DwarfWriter.cpp
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@ -2973,16 +2973,19 @@ private:
// Sort the landing pads in order of their type ids. This is used to fold
// duplicate actions.
SmallVector<const LandingPadInfo *, 32> LandingPads(PadInfos.size(), NULL);
SmallVector<const LandingPadInfo *, 64> LandingPads;
LandingPads.reserve(PadInfos.size());
for (unsigned i = 0, N = PadInfos.size(); i != N; ++i)
LandingPads[i] = &PadInfos[i];
LandingPads.push_back(&PadInfos[i]);
std::sort(LandingPads.begin(), LandingPads.end(), PadLT);
// Gather first action index for each landing pad site.
SmallVector<unsigned, 32> FirstActions;
SmallVector<unsigned, 64> FirstActions;
FirstActions.reserve(PadInfos.size());
// The actions table.
SmallVector<ActionEntry, 64> Actions;
SmallVector<ActionEntry, 32> Actions;
// Compute sizes for exception table.
unsigned SizeSites = 0;