[LegacyPM] Remove InstrOrderFileLegacyPass

Following recent changes removing non-core features of the legacy
PM/optimization pipeline.

Author: MaskRay

llvm/include/llvm/InitializePasses.h

@@ -196,7 +196,6 @@ void initializeInlineCostAnalysisPass(PassRegistry&);
 void initializeInstCountLegacyPassPass(PassRegistry &);
 void initializeInstNamerPass(PassRegistry&);
 void initializeInstSimplifyLegacyPassPass(PassRegistry &);
-void initializeInstrOrderFileLegacyPassPass(PassRegistry&);
 void initializeInstructionCombiningPassPass(PassRegistry&);
 void initializeInstructionSelectPass(PassRegistry&);
 void initializeInterleavedAccessPass(PassRegistry&);

llvm/include/llvm/Transforms/Instrumentation.h

@@ -123,8 +123,6 @@ struct InstrProfOptions {
   InstrProfOptions() = default;
 };
 
-ModulePass *createInstrOrderFilePass();
-
 // Insert DataFlowSanitizer (dynamic data flow analysis) instrumentation
 ModulePass *createDataFlowSanitizerLegacyPassPass(
     const std::vector<std::string> &ABIListFiles = std::vector<std::string>());

llvm/lib/Transforms/IPO/PassManagerBuilder.cpp

@@ -689,9 +689,6 @@ void PassManagerBuilder::populateModulePassManager(
     // and saves running remaining passes on the eliminated functions.
     MPM.add(createEliminateAvailableExternallyPass());
 
-  if (EnableOrderFileInstrumentation)
-    MPM.add(createInstrOrderFilePass());
-
   MPM.add(createReversePostOrderFunctionAttrsPass());
 
   // The inliner performs some kind of dead code elimination as it goes,

llvm/lib/Transforms/Instrumentation/InstrOrderFile.cpp

@@ -163,42 +163,11 @@ struct InstrOrderFile {
   }
 
 }; // End of InstrOrderFile struct
-
-class InstrOrderFileLegacyPass : public ModulePass {
-public:
-  static char ID;
-
-  InstrOrderFileLegacyPass() : ModulePass(ID) {
-    initializeInstrOrderFileLegacyPassPass(
-        *PassRegistry::getPassRegistry());
-  }
-
-  bool runOnModule(Module &M) override;
-};
-
 } // End anonymous namespace
 
-bool InstrOrderFileLegacyPass::runOnModule(Module &M) {
-  if (skipModule(M))
-    return false;
-
-  return InstrOrderFile().run(M);
-}
-
 PreservedAnalyses
 InstrOrderFilePass::run(Module &M, ModuleAnalysisManager &AM) {
   if (InstrOrderFile().run(M))
     return PreservedAnalyses::none();
   return PreservedAnalyses::all();
 }
-
-INITIALIZE_PASS_BEGIN(InstrOrderFileLegacyPass, "instrorderfile",
-                      "Instrumentation for Order File", false, false)
-INITIALIZE_PASS_END(InstrOrderFileLegacyPass, "instrorderfile",
-                    "Instrumentation for Order File", false, false)
-
-char InstrOrderFileLegacyPass::ID = 0;
-
-ModulePass *llvm::createInstrOrderFilePass() {
-  return new InstrOrderFileLegacyPass();
-}

llvm/lib/Transforms/Instrumentation/Instrumentation.cpp

@@ -94,7 +94,6 @@ void llvm::initializeInstrumentation(PassRegistry &Registry) {
   initializeMemProfilerLegacyPassPass(Registry);
   initializeModuleMemProfilerLegacyPassPass(Registry);
   initializeBoundsCheckingLegacyPassPass(Registry);
-  initializeInstrOrderFileLegacyPassPass(Registry);
   initializeDataFlowSanitizerLegacyPassPass(Registry);
 }
 

llvm/test/Instrumentation/InstrOrderFile/basic.ll

@@ -1,4 +1,3 @@
-; RUN: opt -instrorderfile -S < %s | FileCheck %s
 ; RUN: opt -passes=instrorderfile -S < %s | FileCheck %s
 
 target triple = "x86_64-apple-macosx10.10.0"