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use smallvector instead of vector for a couple worklists. This speeds up instcombine

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by ~10% on some testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54811 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-08-15 04:03:01 +00:00
parent bbf5583283
commit 2806dffc73
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -74,7 +74,7 @@ namespace {
: public FunctionPass, : public FunctionPass,
public InstVisitor<InstCombiner, Instruction*> { public InstVisitor<InstCombiner, Instruction*> {
// Worklist of all of the instructions that need to be simplified. // Worklist of all of the instructions that need to be simplified.
std::vector<Instruction*> Worklist; SmallVector<Instruction*, 256> Worklist;
DenseMap<Instruction*, unsigned> WorklistMap; DenseMap<Instruction*, unsigned> WorklistMap;
TargetData *TD; TargetData *TD;
bool MustPreserveLCSSA; bool MustPreserveLCSSA;
@ -11386,7 +11386,7 @@ static void AddReachableCodeToWorklist(BasicBlock *BB,
SmallPtrSet<BasicBlock*, 64> &Visited, SmallPtrSet<BasicBlock*, 64> &Visited,
InstCombiner &IC, InstCombiner &IC,
const TargetData *TD) { const TargetData *TD) {
std::vector<BasicBlock*> Worklist; SmallVector<BasicBlock*, 256> Worklist;
Worklist.push_back(BB); Worklist.push_back(BB);
while (!Worklist.empty()) { while (!Worklist.empty()) {