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Use SmallVector instead of std::vector.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41207 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2007-08-21 00:31:24 +00:00
parent 2d691333ac
commit b7211a2ce1
10 changed files with 23 additions and 24 deletions
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12
lib/Transforms/Utils/LCSSA.cpp
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@ -59,7 +59,7 @@ namespace {
virtual bool runOnLoop(Loop *L, LPPassManager &LPM);
void ProcessInstruction(Instruction* Instr,
const std::vector<BasicBlock*>& exitBlocks);
const SmallVector<BasicBlock*, 8>& exitBlocks);
/// This transformation requires natural loop information & requires that
/// loop preheaders be inserted into the CFG. It maintains both of these,
@ -107,7 +107,6 @@ bool LCSSA::runOnLoop(Loop *L, LPPassManager &LPM) {
LI = &LPM.getAnalysis<LoopInfo>();
DT = &getAnalysis<DominatorTree>();
DominanceFrontier *DF = getAnalysisToUpdate<DominanceFrontier>();
// Speed up queries by creating a sorted list of blocks
LoopBlocks.clear();
@ -122,9 +121,8 @@ bool LCSSA::runOnLoop(Loop *L, LPPassManager &LPM) {
if (AffectedValues.empty())
return false;
std::vector<BasicBlock*> exitBlocks;
L->getExitBlocks(exitBlocks);
SmallVector<BasicBlock*, 8> exitBlocks;
L->getExitBlocks(exitBlocks);
// Iterate over all affected values for this loop and insert Phi nodes
// for them in the appropriate exit blocks
@ -141,7 +139,7 @@ bool LCSSA::runOnLoop(Loop *L, LPPassManager &LPM) {
/// processInstruction - Given a live-out instruction, insert LCSSA Phi nodes,
/// eliminate all out-of-loop uses.
void LCSSA::ProcessInstruction(Instruction *Instr,
const std::vector<BasicBlock*>& exitBlocks) {
const SmallVector<BasicBlock*, 8>& exitBlocks) {
++NumLCSSA; // We are applying the transformation
// Keep track of the blocks that have the value available already.
@ -151,7 +149,7 @@ void LCSSA::ProcessInstruction(Instruction *Instr,
// Insert the LCSSA phi's into the exit blocks (dominated by the value), and
// add them to the Phi's map.
for (std::vector<BasicBlock*>::const_iterator BBI = exitBlocks.begin(),
for (SmallVector<BasicBlock*, 8>::const_iterator BBI = exitBlocks.begin(),
BBE = exitBlocks.end(); BBI != BBE; ++BBI) {
BasicBlock *BB = *BBI;
DomTreeNode *ExitBBNode = DT->getNode(BB);