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Make DT a transitive dependency of LI.

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Summary:
LoopInfoWrapperPass::verify uses DT, which means DT must be alive
even if it has no direct users.

Fixes a crash in expensive checks mode.

Reviewers: pcc, leonardchan

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64896

llvm-svn: 366388
This commit is contained in:
Evgeniy Stepanov 2019-07-17 23:31:59 +00:00
parent 55e236e6d3
commit fb651baa10
1 changed files with 1 additions and 1 deletions
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2
lib/Analysis/LoopInfo.cpp
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@ -1039,7 +1039,7 @@ void LoopInfoWrapperPass::verifyAnalysis() const {
void LoopInfoWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<DominatorTreeWrapperPass>();
AU.addRequiredTransitive<DominatorTreeWrapperPass>();
}
void LoopInfoWrapperPass::print(raw_ostream &OS, const Module *) const {