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Introduce Simple Analysis interface for loop passes.

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Right now, this interface provides hooks for only to operations, 1) clone basic block 2) delete value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40625 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2007-07-31 08:00:57 +00:00
parent 50192c2152
commit c7e49c08c2
2 changed files with 50 additions and 0 deletions
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21
lib/Analysis/LoopPass.cpp
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@@ -140,6 +140,27 @@ void LPPassManager::redoLoop(Loop *L) {
redoThisLoop = true;
}
/// cloneBasicBlockSimpleAnalysis - Invoke cloneBasicBlockAnalysis hook for
/// all loop passes.
void LPPassManager::cloneBasicBlockSimpleAnalysis(BasicBlock *From,
BasicBlock *To, Loop *L) {
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
Pass *P = getContainedPass(Index);
LoopPass *LP = dynamic_cast<LoopPass *>(P);
LP->cloneBasicBlockAnalysis(From, To, L);
}
}
/// deleteSimpleAnalysisValue - Invoke deleteAnalysisValue hook for all passes.
void LPPassManager::deleteSimpleAnalysisValue(Value *V, Loop *L) {
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
Pass *P = getContainedPass(Index);
LoopPass *LP = dynamic_cast<LoopPass *>(P);
LP->deleteAnalysisValue(V, L);
}
}
// Recurse through all subloops and all loops into LQ.
static void addLoopIntoQueue(Loop *L, std::deque<Loop *> &LQ) {
LQ.push_back(L);