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remove dead code. The exit block list is computed on demand, thus does not

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need to be updated.  This code is a relic from when it did.

llvm-svn: 22775
This commit is contained in:
Chris Lattner 2005-08-13 01:30:36 +00:00
parent e06d2c3760
commit 87bcd2794b
1 changed files with 0 additions and 15 deletions
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15
lib/Transforms/Scalar/LoopSimplify.cpp
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@ -325,21 +325,6 @@ void LoopSimplify::InsertPreheaderForLoop(Loop *L) {
if (Loop *Parent = L->getParentLoop())
Parent->addBasicBlockToLoop(NewBB, getAnalysis<LoopInfo>());
// If the header for the loop used to be an exit node for another loop, then
// we need to update this to know that the loop-preheader is now the exit
// node. Note that the only loop that could have our header as an exit node
// is a sibling loop, ie, one with the same parent loop, or one if it's
// children.
//
LoopInfo::iterator ParentLoops, ParentLoopsE;
if (Loop *Parent = L->getParentLoop()) {
ParentLoops = Parent->begin();
ParentLoopsE = Parent->end();
} else { // Must check top-level loops...
ParentLoops = getAnalysis<LoopInfo>().begin();
ParentLoopsE = getAnalysis<LoopInfo>().end();
}
DominatorSet &DS = getAnalysis<DominatorSet>(); // Update dominator info
DominatorTree &DT = getAnalysis<DominatorTree>();