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Verify loop info.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40062 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2007-07-19 18:02:32 +00:00
parent 6b8337392c
commit 58e0ef1e90
9 changed files with 51 additions and 28 deletions
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16
lib/Analysis/LoopPass.cpp
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@@ -157,18 +157,6 @@ void LPPassManager::getAnalysisUsage(AnalysisUsage &Info) const {
Info.setPreservesAll();
}
/// verifyLoopInfo - Verify loop nest.
void LPPassManager::verifyLoopInfo() {
assert (LI && "Loop Info is missing");
for (LoopInfo::iterator I = LI->begin(), E = LI->end(); I != E; ++I) {
Loop *L = *I;
assert (L->getHeader() && "Loop header is missing");
assert (L->getLoopPreheader() && "Loop preheader is missing");
assert (L->getLoopLatch() && "Loop latch is missing");
}
}
/// 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) {
@@ -214,13 +202,13 @@ bool LPPassManager::runOnFunction(Function &F) {
LoopPass *LP = dynamic_cast<LoopPass *>(P);
assert (LP && "Invalid LPPassManager member");
LP->runOnLoop(CurrentLoop, *this);
verifyLoopInfo();
StopPassTimer(P);
if (Changed)
dumpPassInfo(P, MODIFICATION_MSG, ON_LOOP_MSG, "");
dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet());
verifyPreservedAnalysis(LP);
removeNotPreservedAnalysis(P);
recordAvailableAnalysis(P);
removeDeadPasses(P, "", ON_LOOP_MSG);