diff options
author | Devang Patel <dpatel@apple.com> | 2007-03-06 19:11:25 +0000 |
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committer | Devang Patel <dpatel@apple.com> | 2007-03-06 19:11:25 +0000 |
commit | c37177eb72d13205d2ad07d32fc8a06a36e2ca9e (patch) | |
tree | 56b5065bc57ff37adb013769e3739c9e03e182c3 /lib/Analysis/LoopPass.cpp | |
parent | a885c06bdf87a0003c23e15b3467fc7c1d4767d9 (diff) |
Use schedulePass() instead of assignPassManager() to add new LPPassManager.
This ensures that require analysis info is available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34980 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/LoopPass.cpp')
-rw-r--r-- | lib/Analysis/LoopPass.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/Analysis/LoopPass.cpp b/lib/Analysis/LoopPass.cpp index 0a29c5dae3..b6b862eca1 100644 --- a/lib/Analysis/LoopPass.cpp +++ b/lib/Analysis/LoopPass.cpp @@ -143,14 +143,22 @@ static void addLoopIntoQueue(Loop *L, std::deque<Loop *> &LQ) { LQ.push_back(L); } +/// Pass Manager itself does not invalidate any analysis info. +void LPPassManager::getAnalysisUsage(AnalysisUsage &Info) const { + // LPPassManager needs LoopInfo. In the long term LoopInfo class will + // become part of LPPassManager. + Info.addRequired<LoopInfo>(); + Info.setPreservesAll(); +} + /// run - Execute all of the passes scheduled for execution. Keep track of /// whether any of the passes modifies the function, and if so, return true. bool LPPassManager::runOnFunction(Function &F) { - LoopInfo &LI = getAnalysis<LoopInfo>(); + LI = &getAnalysis<LoopInfo>(); bool Changed = false; // Populate Loop Queue - for (LoopInfo::iterator I = LI.begin(), E = LI.end(); I != E; ++I) + for (LoopInfo::iterator I = LI->begin(), E = LI->end(); I != E; ++I) addLoopIntoQueue(*I, LQ); // Initialization @@ -279,7 +287,7 @@ void LoopPass::assignPassManager(PMStack &PMS, // [3] Assign manager to manage this new manager. This may create // and push new managers into PMS Pass *P = dynamic_cast<Pass *>(LPPM); - P->assignPassManager(PMS); + TPM->schedulePass(P); // [4] Push new manager into PMS PMS.push(LPPM); |