Use SmallVector instead of std::vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41207 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/LCSSA.cpp b/lib/Transforms/Utils/LCSSA.cpp
index 465214c..a936666 100644
--- a/lib/Transforms/Utils/LCSSA.cpp
+++ b/lib/Transforms/Utils/LCSSA.cpp
@@ -59,7 +59,7 @@
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 @@
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 @@
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 @@
/// 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 @@
// 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);