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Const-ify some parameters, and some cosmetic cleanups. No functionality

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change.

llvm-svn: 35842
This commit is contained in:
Owen Anderson 2007-04-09 22:54:50 +00:00
parent 148566d2e3
commit 3d132f812a
1 changed files with 4 additions and 3 deletions
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7
lib/Transforms/Utils/LoopSimplify.cpp
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@ -419,8 +419,8 @@ static void AddBlockAndPredsToSet(BasicBlock *BB, BasicBlock *StopBlock,
/// FindPHIToPartitionLoops - The first part of loop-nestification is to find a
/// PHI node that tells us how to partition the loops.
static PHINode *FindPHIToPartitionLoops(Loop *L, ETForest *EF,
AliasAnalysis *AA) {
static PHINode *FindPHIToPartitionLoops(Loop *L, ETForest *EF,
AliasAnalysis *AA) {
for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ) {
PHINode *PN = cast<PHINode>(I);
++I;
@ -675,7 +675,7 @@ void LoopSimplify::InsertUniqueBackedgeBlock(Loop *L) {
// Returns true if BasicBlock A dominates at least one block in vector B
// Helper function for UpdateDomInfoForRevectoredPreds
static bool BlockDominatesAny(BasicBlock* A, std::vector<BasicBlock*>& B, ETForest& ETF) {
static bool BlockDominatesAny(BasicBlock* A, const std::vector<BasicBlock*>& B, const ETForest& ETF) {
for (std::vector<BasicBlock*>::iterator BI = B.begin(), BE = B.end(); BI != BE; ++BI) {
if (ETF.dominates(A, *BI))
return true;
@ -858,6 +858,7 @@ void LoopSimplify::UpdateDomInfoForRevectoredPreds(BasicBlock *NewBB,
// Only consider dominators of NewBBSucc
if (!DFI->second.count(NewBBSucc)) continue;
if (BlockDominatesAny(FI, PredBlocks, ETF)) {
// If NewBBSucc should not stay in our dominator frontier, remove it.
// We remove it unless there is a predecessor of NewBBSucc that we