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Fix the requisite bug that I introduced 

llvm-svn: 5605
This commit is contained in:
Chris Lattner 2003-02-20 00:28:00 +00:00
parent 1dc4c29b6d
commit 1cbe5116ff
1 changed files with 13 additions and 11 deletions
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24
llvm/lib/Analysis/LoopInfo.cpp
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@ -155,17 +155,19 @@ Loop *LoopInfo::ConsiderForLoop(BasicBlock *BB, const DominatorSet &DS) {
// now by moving the loop into the correct subloop.
//
Loop *SubLoop = BBMI->second;
Loop *OldSubLoopParent = SubLoop->getParentLoop();
if (OldSubLoopParent != L) {
// Remove SubLoop from OldSubLoopParent's list of subloops...
std::vector<Loop*>::iterator I =
std::find(OldSubLoopParent->SubLoops.begin(),
OldSubLoopParent->SubLoops.end(), SubLoop);
assert(I != OldSubLoopParent->SubLoops.end()
&& "Loop parent doesn't contain loop?");
OldSubLoopParent->SubLoops.erase(I);
SubLoop->ParentLoop = L;
L->SubLoops.push_back(SubLoop);
if (SubLoop->getHeader() == *I) { // Only do this once for the loop...
Loop *OldSubLoopParent = SubLoop->getParentLoop();
if (OldSubLoopParent != L) {
// Remove SubLoop from OldSubLoopParent's list of subloops...
std::vector<Loop*>::iterator I =
std::find(OldSubLoopParent->SubLoops.begin(),
OldSubLoopParent->SubLoops.end(), SubLoop);
assert(I != OldSubLoopParent->SubLoops.end()
&& "Loop parent doesn't contain loop?");
OldSubLoopParent->SubLoops.erase(I);
SubLoop->ParentLoop = L;
L->SubLoops.push_back(SubLoop);
}
}
}
}