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

how much will be used.

llvm-svn: 37515
This commit is contained in:
Duncan Sands 2007-06-08 08:59:11 +00:00
parent 2e5efc30c2
commit dc8fc1550e
1 changed files with 7 additions and 4 deletions
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11
llvm/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 // Sort the landing pads in order of their type ids. This is used to fold
// duplicate actions. // 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) 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); std::sort(LandingPads.begin(), LandingPads.end(), PadLT);
// Gather first action index for each landing pad site. // Gather first action index for each landing pad site.
SmallVector<unsigned, 32> FirstActions; SmallVector<unsigned, 64> FirstActions;
FirstActions.reserve(PadInfos.size());
// The actions table. // The actions table.
SmallVector<ActionEntry, 64> Actions; SmallVector<ActionEntry, 32> Actions;
// Compute sizes for exception table. // Compute sizes for exception table.
unsigned SizeSites = 0; unsigned SizeSites = 0;