1 files changed, 0 insertions, 105 deletions
diff --git a/contrib/llvm/lib/Transforms/Scalar/LoopPassManager.cpp b/contrib/llvm/lib/Transforms/Scalar/LoopPassManager.cpp
deleted file mode 100644
index f3bfbd3564ab..000000000000
--- a/contrib/llvm/lib/Transforms/Scalar/LoopPassManager.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-//===- LoopPassManager.cpp - Loop pass management -------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/Scalar/LoopPassManager.h"
-#include "llvm/Analysis/LoopInfo.h"
-
-using namespace llvm;
-
-// Explicit template instantiations and specialization defininitions for core
-// template typedefs.
-namespace llvm {
-template class PassManager<Loop, LoopAnalysisManager,
-                           LoopStandardAnalysisResults &, LPMUpdater &>;
-
-/// Explicitly specialize the pass manager's run method to handle loop nest
-/// structure updates.
-template <>
-PreservedAnalyses
-PassManager<Loop, LoopAnalysisManager, LoopStandardAnalysisResults &,
-            LPMUpdater &>::run(Loop &L, LoopAnalysisManager &AM,
-                               LoopStandardAnalysisResults &AR, LPMUpdater &U) {
-  PreservedAnalyses PA = PreservedAnalyses::all();
-
-  if (DebugLogging)
-    dbgs() << "Starting Loop pass manager run.\n";
-
-  // Request PassInstrumentation from analysis manager, will use it to run
-  // instrumenting callbacks for the passes later.
-  PassInstrumentation PI = AM.getResult<PassInstrumentationAnalysis>(L, AR);
-  for (auto &Pass : Passes) {
-    if (DebugLogging)
-      dbgs() << "Running pass: " << Pass->name() << " on " << L;
-
-    // Check the PassInstrumentation's BeforePass callbacks before running the
-    // pass, skip its execution completely if asked to (callback returns false).
-    if (!PI.runBeforePass<Loop>(*Pass, L))
-      continue;
-
-    PreservedAnalyses PassPA = Pass->run(L, AM, AR, U);
-
-    // do not pass deleted Loop into the instrumentation
-    if (U.skipCurrentLoop())
-      PI.runAfterPassInvalidated<Loop>(*Pass);
-    else
-      PI.runAfterPass<Loop>(*Pass, L);
-
-    // If the loop was deleted, abort the run and return to the outer walk.
-    if (U.skipCurrentLoop()) {
-      PA.intersect(std::move(PassPA));
-      break;
-    }
-
-#ifndef NDEBUG
-    // Verify the loop structure and LCSSA form before visiting the loop.
-    L.verifyLoop();
-    assert(L.isRecursivelyLCSSAForm(AR.DT, AR.LI) &&
-           "Loops must remain in LCSSA form!");
-#endif
-
-    // Update the analysis manager as each pass runs and potentially
-    // invalidates analyses.
-    AM.invalidate(L, PassPA);
-
-    // Finally, we intersect the final preserved analyses to compute the
-    // aggregate preserved set for this pass manager.
-    PA.intersect(std::move(PassPA));
-
-    // FIXME: Historically, the pass managers all called the LLVM context's
-    // yield function here. We don't have a generic way to acquire the
-    // context and it isn't yet clear what the right pattern is for yielding
-    // in the new pass manager so it is currently omitted.
-    // ...getContext().yield();
-  }
-
-  // Invalidation for the current loop should be handled above, and other loop
-  // analysis results shouldn't be impacted by runs over this loop. Therefore,
-  // the remaining analysis results in the AnalysisManager are preserved. We
-  // mark this with a set so that we don't need to inspect each one
-  // individually.
-  // FIXME: This isn't correct! This loop and all nested loops' analyses should
-  // be preserved, but unrolling should invalidate the parent loop's analyses.
-  PA.preserveSet<AllAnalysesOn<Loop>>();
-
-  if (DebugLogging)
-    dbgs() << "Finished Loop pass manager run.\n";
-
-  return PA;
-}
-}
-
-PrintLoopPass::PrintLoopPass() : OS(dbgs()) {}
-PrintLoopPass::PrintLoopPass(raw_ostream &OS, const std::string &Banner)
-    : OS(OS), Banner(Banner) {}
-
-PreservedAnalyses PrintLoopPass::run(Loop &L, LoopAnalysisManager &,
-                                     LoopStandardAnalysisResults &,
-                                     LPMUpdater &) {
-  printLoop(L, OS, Banner);
-  return PreservedAnalyses::all();
-}