Reverted: Track validity of pass results

Commits r291882 and related r291887.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292062 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 4 deletions

diff --git a/lib/Analysis/LoopInfo.cpp b/lib/Analysis/LoopInfo.cpp
index fb05e60e57d..714e0d5173f 100644
--- a/lib/Analysis/LoopInfo.cpp
+++ b/lib/Analysis/LoopInfo.cpp
@@ -731,10 +731,8 @@ void LoopInfoWrapperPass::verifyAnalysis() const {
   // checking by default, LoopPass has been taught to call verifyLoop manually
   // during loop pass sequences.
   if (VerifyLoopInfo) {
-    if (auto *Analysis = getAnalysisIfAvailable<DominatorTreeWrapperPass>()) {
-      auto &DT = Analysis->getDomTree();
-      LI.verify(DT);
-    }
+    auto &DT = getAnalysis<DominatorTreeWrapperPass>().getDomTree();
+    LI.verify(DT);
   }
 }