[LegacyPM] Remove {,PostInline}EntryExitInstrumenterPass

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

llvm/include/llvm/InitializePasses.h

@@ -145,7 +145,6 @@ void initializeEarlyTailDuplicatePass(PassRegistry&);
 void initializeEdgeBundlesPass(PassRegistry&);
 void initializeEHContGuardCatchretPass(PassRegistry &);
 void initializeEliminateAvailableExternallyLegacyPassPass(PassRegistry&);
-void initializeEntryExitInstrumenterPass(PassRegistry&);
 void initializeExpandMemCmpPassPass(PassRegistry&);
 void initializeExpandPostRAPass(PassRegistry&);
 void initializeExpandReductionsPass(PassRegistry&);
@@ -339,7 +338,6 @@ void initializePostDomOnlyViewerWrapperPassPass(PassRegistry &);
 void initializePostDomPrinterWrapperPassPass(PassRegistry &);
 void initializePostDomViewerWrapperPassPass(PassRegistry &);
 void initializePostDominatorTreeWrapperPassPass(PassRegistry&);
-void initializePostInlineEntryExitInstrumenterPass(PassRegistry&);
 void initializePostMachineSchedulerPass(PassRegistry&);
 void initializePostOrderFunctionAttrsLegacyPassPass(PassRegistry&);
 void initializePostRAHazardRecognizerPass(PassRegistry&);

llvm/include/llvm/LinkAllPasses.h

@@ -174,8 +174,6 @@ namespace {
       (void) llvm::createInstCountPass();
       (void) llvm::createConstantHoistingPass();
       (void) llvm::createCodeGenPreparePass();
-      (void) llvm::createEntryExitInstrumenterPass();
-      (void) llvm::createPostInlineEntryExitInstrumenterPass();
       (void) llvm::createEarlyCSEPass();
       (void) llvm::createGVNHoistPass();
       (void) llvm::createMergedLoadStoreMotionPass();

llvm/include/llvm/Transforms/Utils.h

@@ -48,15 +48,6 @@ extern char &InstructionNamerID;
 FunctionPass *createLowerSwitchPass();
 extern char &LowerSwitchID;
 
-//===----------------------------------------------------------------------===//
-//
-// EntryExitInstrumenter pass - Instrument function entry/exit with calls to
-// mcount(), @__cyg_profile_func_{enter,exit} and the like. There are two
-// variants, intended to run pre- and post-inlining, respectively.
-//
-FunctionPass *createEntryExitInstrumenterPass();
-FunctionPass *createPostInlineEntryExitInstrumenterPass();
-
 //===----------------------------------------------------------------------===//
 //
 // BreakCriticalEdges - Break all of the critical edges in the CFG by inserting

llvm/lib/Transforms/Scalar/Scalar.cpp

@@ -111,8 +111,6 @@ void llvm::initializeScalarOpts(PassRegistry &Registry) {
   initializeLoopLoadEliminationPass(Registry);
   initializeLoopSimplifyCFGLegacyPassPass(Registry);
   initializeLoopVersioningLegacyPassPass(Registry);
-  initializeEntryExitInstrumenterPass(Registry);
-  initializePostInlineEntryExitInstrumenterPass(Registry);
 }
 
 void LLVMAddLoopSimplifyCFGPass(LLVMPassManagerRef PM) {

llvm/lib/Transforms/Utils/EntryExitInstrumenter.cpp

@@ -117,65 +117,6 @@ static bool runOnFunction(Function &F, bool PostInlining) {
   return Changed;
 }
 
-namespace {
-struct EntryExitInstrumenter : public FunctionPass {
-  static char ID;
-  EntryExitInstrumenter() : FunctionPass(ID) {
-    initializeEntryExitInstrumenterPass(*PassRegistry::getPassRegistry());
-  }
-  void getAnalysisUsage(AnalysisUsage &AU) const override {
-    AU.addPreserved<GlobalsAAWrapperPass>();
-    AU.addPreserved<DominatorTreeWrapperPass>();
-  }
-  bool runOnFunction(Function &F) override { return ::runOnFunction(F, false); }
-};
-char EntryExitInstrumenter::ID = 0;
-
-struct PostInlineEntryExitInstrumenter : public FunctionPass {
-  static char ID;
-  PostInlineEntryExitInstrumenter() : FunctionPass(ID) {
-    initializePostInlineEntryExitInstrumenterPass(
-        *PassRegistry::getPassRegistry());
-  }
-  void getAnalysisUsage(AnalysisUsage &AU) const override {
-    AU.addPreserved<GlobalsAAWrapperPass>();
-    AU.addPreserved<DominatorTreeWrapperPass>();
-  }
-  bool runOnFunction(Function &F) override { return ::runOnFunction(F, true); }
-};
-char PostInlineEntryExitInstrumenter::ID = 0;
-}
-
-INITIALIZE_PASS_BEGIN(
-    EntryExitInstrumenter, "ee-instrument",
-    "Instrument function entry/exit with calls to e.g. mcount() (pre inlining)",
-    false, false)
-INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
-INITIALIZE_PASS_END(
-    EntryExitInstrumenter, "ee-instrument",
-    "Instrument function entry/exit with calls to e.g. mcount() (pre inlining)",
-    false, false)
-
-INITIALIZE_PASS_BEGIN(
-    PostInlineEntryExitInstrumenter, "post-inline-ee-instrument",
-    "Instrument function entry/exit with calls to e.g. mcount() "
-    "(post inlining)",
-    false, false)
-INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
-INITIALIZE_PASS_END(
-    PostInlineEntryExitInstrumenter, "post-inline-ee-instrument",
-    "Instrument function entry/exit with calls to e.g. mcount() "
-    "(post inlining)",
-    false, false)
-
-FunctionPass *llvm::createEntryExitInstrumenterPass() {
-  return new EntryExitInstrumenter();
-}
-
-FunctionPass *llvm::createPostInlineEntryExitInstrumenterPass() {
-  return new PostInlineEntryExitInstrumenter();
-}
-
 PreservedAnalyses
 llvm::EntryExitInstrumenterPass::run(Function &F, FunctionAnalysisManager &AM) {
   runOnFunction(F, PostInlining);

llvm/test/CodeGen/PowerPC/mcount-insertion.ll

@@ -1,4 +1,4 @@
-; RUN: opt -ee-instrument < %s | opt -inline | opt -post-inline-ee-instrument | llc -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s
+; RUN: opt -S -passes='function(ee-instrument),cgscc(inline),function(ee-instrument<post-inline>)' %s | llc -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s
 
 ; The run-line mimics how Clang might run the instrumentation passes.
 

llvm/tools/llc/llc.cpp

@@ -359,8 +359,6 @@ int main(int argc, char **argv) {
   initializeCodeGen(*Registry);
   initializeLoopStrengthReducePass(*Registry);
   initializeLowerIntrinsicsPass(*Registry);
-  initializeEntryExitInstrumenterPass(*Registry);
-  initializePostInlineEntryExitInstrumenterPass(*Registry);
   initializeUnreachableBlockElimLegacyPassPass(*Registry);
   initializeConstantHoistingLegacyPassPass(*Registry);
   initializeScalarOpts(*Registry);

llvm/tools/opt/opt.cpp

@@ -519,8 +519,6 @@ int main(int argc, char **argv) {
   initializeIndirectBrExpandPassPass(Registry);
   initializeInterleavedLoadCombinePass(Registry);
   initializeInterleavedAccessPass(Registry);
-  initializeEntryExitInstrumenterPass(Registry);
-  initializePostInlineEntryExitInstrumenterPass(Registry);
   initializeUnreachableBlockElimLegacyPassPass(Registry);
   initializeExpandReductionsPass(Registry);
   initializeExpandVectorPredicationPass(Registry);