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Pull predecessor and successor iterators out of the CFG*.h files, and plop them into

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the BasicBlock class where they should be.  pred_begin/pred_end become methods on BasicBlock,
and the cfg namespace isn't used anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@691 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2001-10-01 13:19:53 +00:00
parent 711774e169
commit f0604b84c7
16 changed files with 176 additions and 368 deletions
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14
lib/Analysis/PostDominators.cpp
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@@ -63,7 +63,8 @@ void cfg::DominatorSet::calcForwardDominatorSet(const Method *M) {
df_iterator<const Method*> It = df_begin(M), End = df_end(M);
for ( ; It != End; ++It) {
const BasicBlock *BB = *It;
pred_const_iterator PI = pred_begin(BB), PEnd = pred_end(BB);
BasicBlock::pred_const_iterator PI = BB->pred_begin(),
PEnd = BB->pred_end();
if (PI != PEnd) { // Is there SOME predecessor?
// Loop until we get to a predecessor that has had it's dom set filled
// in at least once. We are guaranteed to have this because we are
@@ -114,7 +115,8 @@ cfg::DominatorSet::DominatorSet(Method *M, bool PostDomSet)
idf_iterator<const BasicBlock*> It = idf_begin(Root), End = idf_end(Root);
for ( ; It != End; ++It) {
const BasicBlock *BB = *It;
succ_const_iterator PI = succ_begin(BB), PEnd = succ_end(BB);
BasicBlock::succ_const_iterator PI = BB->succ_begin(),
PEnd = BB->succ_end();
if (PI != PEnd) { // Is there SOME predecessor?
// Loop until we get to a successor that has had it's dom set filled
// in at least once. We are guaranteed to have this because we are
@@ -320,8 +322,8 @@ cfg::DominanceFrontier::calcDomFrontier(const DominatorTree &DT,
const BasicBlock *BB = Node->getNode();
DomSetType &S = Frontiers[BB]; // The new set to fill in...
for (succ_const_iterator SI = succ_begin(BB), SE = succ_end(BB);
SI != SE; ++SI) {
for (BasicBlock::succ_const_iterator SI = BB->succ_begin(),
SE = BB->succ_end(); SI != SE; ++SI) {
// Does Node immediately dominate this successor?
if (DT[*SI]->getIDom() != Node)
S.insert(*SI);
@@ -354,8 +356,8 @@ cfg::DominanceFrontier::calcPostDomFrontier(const DominatorTree &DT,
DomSetType &S = Frontiers[BB]; // The new set to fill in...
if (!Root) return S;
for (pred_const_iterator SI = pred_begin(BB), SE = pred_end(BB);
SI != SE; ++SI) {
for (BasicBlock::pred_const_iterator SI = BB->pred_begin(),
SE = BB->pred_end(); SI != SE; ++SI) {
// Does Node immediately dominate this predeccessor?
if (DT[*SI]->getIDom() != Node)
S.insert(*SI);