From 29cd5cb3a3c8452bc68e03ca9a76d4250cc8b47a Mon Sep 17 00:00:00 2001
From: Aiden Grossman <agrossman154@yahoo.com>
Date: Sat, 25 Nov 2023 14:11:27 -0800
Subject: [PATCH] [NewPM] Remove LazyValueInfoPrinter Pass

This pass isn't used anywhere upstream and thus has no test coverage.
For these reasons, remove it.
---
 llvm/include/llvm/InitializePasses.h |  1 -
 llvm/lib/Analysis/Analysis.cpp       |  1 -
 llvm/lib/Analysis/LazyValueInfo.cpp  | 34 ----------------------------
 3 files changed, 36 deletions(-)

diff --git a/llvm/include/llvm/InitializePasses.h b/llvm/include/llvm/InitializePasses.h
index 64644f5135394..66177f9b9f774 100644
--- a/llvm/include/llvm/InitializePasses.h
+++ b/llvm/include/llvm/InitializePasses.h
@@ -144,7 +144,6 @@ void initializeLCSSAWrapperPassPass(PassRegistry&);
 void initializeLazyBlockFrequencyInfoPassPass(PassRegistry&);
 void initializeLazyBranchProbabilityInfoPassPass(PassRegistry&);
 void initializeLazyMachineBlockFrequencyInfoPassPass(PassRegistry&);
-void initializeLazyValueInfoPrinterPass(PassRegistry&);
 void initializeLazyValueInfoWrapperPassPass(PassRegistry&);
 void initializeLegacyLICMPassPass(PassRegistry&);
 void initializeLegalizerPass(PassRegistry&);
diff --git a/llvm/lib/Analysis/Analysis.cpp b/llvm/lib/Analysis/Analysis.cpp
index f70cc4a9fb298..44d2ff18a6949 100644
--- a/llvm/lib/Analysis/Analysis.cpp
+++ b/llvm/lib/Analysis/Analysis.cpp
@@ -43,7 +43,6 @@ void llvm::initializeAnalysis(PassRegistry &Registry) {
   initializeLazyBranchProbabilityInfoPassPass(Registry);
   initializeLazyBlockFrequencyInfoPassPass(Registry);
   initializeLazyValueInfoWrapperPassPass(Registry);
-  initializeLazyValueInfoPrinterPass(Registry);
   initializeLoopInfoWrapperPassPass(Registry);
   initializeMemoryDependenceWrapperPassPass(Registry);
   initializeModuleSummaryIndexWrapperPassPass(Registry);
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
index 868824285301a..3c2f26e924213 100644
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -2095,37 +2095,3 @@ PreservedAnalyses LazyValueInfoPrinterPass::run(Function &F,
   LVI.printLVI(F, DTree, OS);
   return PreservedAnalyses::all();
 }
-
-namespace {
-// Printer class for LazyValueInfo results.
-class LazyValueInfoPrinter : public FunctionPass {
-public:
-  static char ID; // Pass identification, replacement for typeid
-  LazyValueInfoPrinter() : FunctionPass(ID) {
-    initializeLazyValueInfoPrinterPass(*PassRegistry::getPassRegistry());
-  }
-
-  void getAnalysisUsage(AnalysisUsage &AU) const override {
-    AU.setPreservesAll();
-    AU.addRequired<LazyValueInfoWrapperPass>();
-    AU.addRequired<DominatorTreeWrapperPass>();
-  }
-
-  // Get the mandatory dominator tree analysis and pass this in to the
-  // LVIPrinter. We cannot rely on the LVI's DT, since it's optional.
-  bool runOnFunction(Function &F) override {
-    dbgs() << "LVI for function '" << F.getName() << "':\n";
-    auto &LVI = getAnalysis<LazyValueInfoWrapperPass>().getLVI();
-    auto &DTree = getAnalysis<DominatorTreeWrapperPass>().getDomTree();
-    LVI.printLVI(F, DTree, dbgs());
-    return false;
-  }
-};
-}
-
-char LazyValueInfoPrinter::ID = 0;
-INITIALIZE_PASS_BEGIN(LazyValueInfoPrinter, "print-lazy-value-info",
-                "Lazy Value Info Printer Pass", false, false)
-INITIALIZE_PASS_DEPENDENCY(LazyValueInfoWrapperPass)
-INITIALIZE_PASS_END(LazyValueInfoPrinter, "print-lazy-value-info",
-                "Lazy Value Info Printer Pass", false, false)