Revert rL359519 : [MemorySSA] Invalidate MemorySSA if AA or DT are invalidated.

Summary:
MemorySSA keeps internal pointers of AA and DT.
If these get invalidated, so should MemorySSA.

Reviewers: george.burgess.iv, chandlerc

Subscribers: jlebar, Prazek, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D61043
........
This was causing windows build bot failures

llvm-svn: 359555

1 files changed, 0 insertions, 9 deletions

diff --git a/llvm/lib/Analysis/MemorySSA.cpp b/llvm/lib/Analysis/MemorySSA.cpp
index bdaa26409dd..271d56d3ecd 100644
--- a/llvm/lib/Analysis/MemorySSA.cpp
+++ b/llvm/lib/Analysis/MemorySSA.cpp
@@ -2213,15 +2213,6 @@ MemorySSAAnalysis::Result MemorySSAAnalysis::run(Function &F,
   return MemorySSAAnalysis::Result(llvm::make_unique<MemorySSA>(F, &AA, &DT));
 }
 
-bool MemorySSAAnalysis::Result::invalidate(
-    Function &F, const PreservedAnalyses &PA,
-    FunctionAnalysisManager::Invalidator &Inv) {
-  auto PAC = PA.getChecker<MemorySSAAnalysis>();
-  return !(PAC.preserved() || PAC.preservedSet<AllAnalysesOn<Function>>()) ||
-         Inv.invalidate<AAManager>(F, PA) ||
-         Inv.invalidate<DominatorTreeAnalysis>(F, PA);
-}
-
 PreservedAnalyses MemorySSAPrinterPass::run(Function &F,
                                             FunctionAnalysisManager &AM) {
   OS << "MemorySSA for function: " << F.getName() << "\n";