From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 26 Jul 2020 19:36:28 +0000
Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit
 before the llvmorg-12-init tag, from which release/11.x was branched.

---
 llvm/lib/Analysis/LoopPass.cpp | 37 +------------------------------------
 1 file changed, 1 insertion(+), 36 deletions(-)

(limited to 'llvm/lib/Analysis/LoopPass.cpp')

diff --git a/llvm/lib/Analysis/LoopPass.cpp b/llvm/lib/Analysis/LoopPass.cpp
index 507f5f4428659..520f06003dd22 100644
--- a/llvm/lib/Analysis/LoopPass.cpp
+++ b/llvm/lib/Analysis/LoopPass.cpp
@@ -93,38 +93,6 @@ void LPPassManager::addLoop(Loop &L) {
   }
 }
 
-/// cloneBasicBlockSimpleAnalysis - Invoke cloneBasicBlockAnalysis hook for
-/// all loop passes.
-void LPPassManager::cloneBasicBlockSimpleAnalysis(BasicBlock *From,
-                                                  BasicBlock *To, Loop *L) {
-  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
-    LoopPass *LP = getContainedPass(Index);
-    LP->cloneBasicBlockAnalysis(From, To, L);
-  }
-}
-
-/// deleteSimpleAnalysisValue - Invoke deleteAnalysisValue hook for all passes.
-void LPPassManager::deleteSimpleAnalysisValue(Value *V, Loop *L) {
-  if (BasicBlock *BB = dyn_cast<BasicBlock>(V)) {
-    for (Instruction &I : *BB) {
-      deleteSimpleAnalysisValue(&I, L);
-    }
-  }
-  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
-    LoopPass *LP = getContainedPass(Index);
-    LP->deleteAnalysisValue(V, L);
-  }
-}
-
-/// Invoke deleteAnalysisLoop hook for all passes.
-void LPPassManager::deleteSimpleAnalysisLoop(Loop *L) {
-  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
-    LoopPass *LP = getContainedPass(Index);
-    LP->deleteAnalysisLoop(L);
-  }
-}
-
-
 // Recurse through all subloops and all loops  into LQ.
 static void addLoopIntoQueue(Loop *L, std::deque<Loop *> &LQ) {
   LQ.push_back(L);
@@ -246,10 +214,7 @@ bool LPPassManager::runOnFunction(Function &F) {
                                         : CurrentLoop->getName());
       dumpPreservedSet(P);
 
-      if (CurrentLoopDeleted) {
-        // Notify passes that the loop is being deleted.
-        deleteSimpleAnalysisLoop(CurrentLoop);
-      } else {
+      if (!CurrentLoopDeleted) {
         // Manually check that this loop is still healthy. This is done
         // instead of relying on LoopInfo::verifyLoop since LoopInfo
         // is a function pass and it's really expensive to verify every
-- 
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