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Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. This involves a small interface change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2007-11-27 03:43:35 +00:00
parent af9ac8f821
commit d735ee85db
9 changed files with 86 additions and 53 deletions
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8
lib/Transforms/Utils/LoopSimplify.cpp
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@ -380,7 +380,7 @@ void LoopSimplify::InsertPreheaderForLoop(Loop *L) {
// We know that we have loop information to update... update it now.
if (Loop *Parent = L->getParentLoop())
Parent->addBasicBlockToLoop(NewBB, *LI);
Parent->addBasicBlockToLoop(NewBB, LI->getBase());
DT->splitBlock(NewBB);
if (DominanceFrontier *DF = getAnalysisToUpdate<DominanceFrontier>())
@ -412,7 +412,7 @@ BasicBlock *LoopSimplify::RewriteLoopExitBlock(Loop *L, BasicBlock *Exit) {
while (SuccLoop && !SuccLoop->contains(L->getHeader()))
SuccLoop = SuccLoop->getParentLoop();
if (SuccLoop)
SuccLoop->addBasicBlockToLoop(NewBB, *LI);
SuccLoop->addBasicBlockToLoop(NewBB, LI->getBase());
// Update Dominator Information
DT->splitBlock(NewBB);
@ -558,7 +558,7 @@ Loop *LoopSimplify::SeparateNestedLoop(Loop *L) {
// This block is going to be our new header block: add it to this loop and all
// parent loops.
NewOuter->addBasicBlockToLoop(NewBB, *LI);
NewOuter->addBasicBlockToLoop(NewBB, LI->getBase());
// L is now a subloop of our outer loop.
NewOuter->addChildLoop(L);
@ -693,7 +693,7 @@ void LoopSimplify::InsertUniqueBackedgeBlock(Loop *L) {
// Update Loop Information - we know that this block is now in the current
// loop and all parent loops.
L->addBasicBlockToLoop(BEBlock, *LI);
L->addBasicBlockToLoop(BEBlock, LI->getBase());
// Update dominator information
DT->splitBlock(BEBlock);