Fix the requisite bug that I introduced

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5605 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-02-20 00:28:00 +00:00
parent ae5d39e1bb
commit 3a9a56e7b2

View File

@ -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);
}
}
}
}