Revert "Rename InlineFeatureAnalysis to FunctionPropertiesAnalysis"

This reverts commit 44a6bda19b40f2dfcbe92fc3d58bb6276c71ef78. I forgot
to correctly attibute it to tarinduj. Fixing and resubmitting.

include/llvm/Analysis/InlineFeaturesAnalysis.h

@@ -1,4 +1,4 @@
-//=- FunctionPropertiesAnalysis.h - Function Properties extraction  -*- C++ -=//
+//===- InlineFeaturesAnalysis.h - ML Policy Feature extraction  -*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -6,16 +6,16 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_FUNCTIONPROPERTIESANALYSIS_H_
-#define LLVM_FUNCTIONPROPERTIESANALYSIS_H_
+#ifndef LLVM_INLINEFEATURESANALYSIS_H_
+#define LLVM_INLINEFEATURESANALYSIS_H_
 
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
 class Function;
 
-class FunctionPropertiesAnalysis
-    : public AnalysisInfoMixin<FunctionPropertiesAnalysis> {
+class InlineFeaturesAnalysis
+    : public AnalysisInfoMixin<InlineFeaturesAnalysis> {
 public:
   static AnalysisKey Key;
   struct Result {
@@ -42,4 +42,4 @@ public:
 };
 
 } // namespace llvm
-#endif // LLVM_FUNCTIONPROPERTIESANALYSIS_H_
+#endif // LLVM_INLINEFEATURESANALYSIS_H_

lib/Analysis/CMakeLists.txt

@@ -49,7 +49,6 @@ add_llvm_component_library(LLVMAnalysis
   DomTreeUpdater.cpp
   DominanceFrontier.cpp
   EHPersonalities.cpp
-  FunctionPropertiesAnalysis.cpp
   GlobalsModRef.cpp
   GuardUtils.cpp
   HeatUtils.cpp
@@ -58,6 +57,7 @@ add_llvm_component_library(LLVMAnalysis
   IndirectCallPromotionAnalysis.cpp
   InlineCost.cpp
   InlineAdvisor.cpp
+  InlineFeaturesAnalysis.cpp
   InlineSizeEstimatorAnalysis.cpp
   InstCount.cpp
   InstructionPrecedenceTracking.cpp

lib/Analysis/InlineFeaturesAnalysis.cpp

@@ -1,4 +1,4 @@
-//===- FunctionPropertiesAnalysis.cpp - Function properties extraction ----===//
+//===- InlineFeaturesAnalysis.cpp - Feature extraction for ML Policies ----===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -11,16 +11,15 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Analysis/FunctionPropertiesAnalysis.h"
+#include "llvm/Analysis/InlineFeaturesAnalysis.h"
 #include "llvm/IR/Instructions.h"
 
 using namespace llvm;
 
-AnalysisKey FunctionPropertiesAnalysis::Key;
+AnalysisKey InlineFeaturesAnalysis::Key;
 
-FunctionPropertiesAnalysis::Result
-FunctionPropertiesAnalysis::run(const Function &F,
-                                FunctionAnalysisManager &FAM) {
+InlineFeaturesAnalysis::Result
+InlineFeaturesAnalysis::run(const Function &F, FunctionAnalysisManager &FAM) {
   Result Ret;
   Ret.Uses = ((!F.hasLocalLinkage()) ? 1 : 0) + F.getNumUses();
   for (const auto &BB : F) {

lib/Analysis/MLInlineAdvisor.cpp

@@ -20,8 +20,8 @@
 
 #include "llvm/ADT/SCCIterator.h"
 #include "llvm/Analysis/CallGraph.h"
-#include "llvm/Analysis/FunctionPropertiesAnalysis.h"
 #include "llvm/Analysis/InlineCost.h"
+#include "llvm/Analysis/InlineFeaturesAnalysis.h"
 #include "llvm/Analysis/MLInlineAdvisor.h"
 #include "llvm/Analysis/MLModelRunner.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
@@ -118,8 +118,7 @@ void MLInlineAdvisor::onPassEntry() {
 }
 
 int64_t MLInlineAdvisor::getLocalCalls(Function &F) {
-  return FAM.getResult<FunctionPropertiesAnalysis>(F)
-      .DirectCallsToDefinedFunctions;
+  return FAM.getResult<InlineFeaturesAnalysis>(F).DirectCallsToDefinedFunctions;
 }
 
 // Update the internal state of the advisor, and force invalidate feature
@@ -134,7 +133,7 @@ void MLInlineAdvisor::onSuccessfulInlining(const MLInlineAdvice &Advice,
   Function *Callee = Advice.getCallee();
 
   // The caller features aren't valid anymore.
-  FAM.invalidate<FunctionPropertiesAnalysis>(*Caller);
+  FAM.invalidate<InlineFeaturesAnalysis>(*Caller);
   int64_t IRSizeAfter =
       getIRSize(*Caller) + (CalleeWasDeleted ? 0 : Advice.CalleeIRSize);
   CurrentIRSize += IRSizeAfter - (Advice.CallerIRSize + Advice.CalleeIRSize);
@@ -147,14 +146,13 @@ void MLInlineAdvisor::onSuccessfulInlining(const MLInlineAdvice &Advice,
   // For edges, we 'forget' the edges that the caller and callee used to have
   // before inlining, and add back what they currently have together.
   int64_t NewCallerAndCalleeEdges =
-      FAM.getResult<FunctionPropertiesAnalysis>(*Caller)
+      FAM.getResult<InlineFeaturesAnalysis>(*Caller)
           .DirectCallsToDefinedFunctions;
 
   if (CalleeWasDeleted)
     --NodeCount;
   else
-    NewCallerAndCalleeEdges +=
-        FAM.getResult<FunctionPropertiesAnalysis>(*Callee)
+    NewCallerAndCalleeEdges += FAM.getResult<InlineFeaturesAnalysis>(*Callee)
                                    .DirectCallsToDefinedFunctions;
   EdgeCount += (NewCallerAndCalleeEdges - Advice.CallerAndCalleeEdges);
   assert(CurrentIRSize >= 0 && EdgeCount >= 0 && NodeCount >= 0);
@@ -226,8 +224,8 @@ std::unique_ptr<InlineAdvice> MLInlineAdvisor::getAdvice(CallBase &CB) {
     NrCtantParams += (isa<Constant>(*I));
   }
 
-  auto &CallerBefore = FAM.getResult<FunctionPropertiesAnalysis>(Caller);
-  auto &CalleeBefore = FAM.getResult<FunctionPropertiesAnalysis>(Callee);
+  auto &CallerBefore = FAM.getResult<InlineFeaturesAnalysis>(Caller);
+  auto &CalleeBefore = FAM.getResult<InlineFeaturesAnalysis>(Callee);
 
   ModelRunner->setFeature(FeatureIndex::CalleeBasicBlockCount,
                           CalleeBefore.BasicBlockCount);

lib/Passes/PassBuilder.cpp

@@ -31,10 +31,10 @@
 #include "llvm/Analysis/DemandedBits.h"
 #include "llvm/Analysis/DependenceAnalysis.h"
 #include "llvm/Analysis/DominanceFrontier.h"
-#include "llvm/Analysis/FunctionPropertiesAnalysis.h"
 #include "llvm/Analysis/GlobalsModRef.h"
 #include "llvm/Analysis/IVUsers.h"
 #include "llvm/Analysis/InlineAdvisor.h"
+#include "llvm/Analysis/InlineFeaturesAnalysis.h"
 #include "llvm/Analysis/InlineSizeEstimatorAnalysis.h"
 #include "llvm/Analysis/LazyCallGraph.h"
 #include "llvm/Analysis/LazyValueInfo.h"

lib/Passes/PassRegistry.def

@@ -132,7 +132,7 @@ FUNCTION_ANALYSIS("domfrontier", DominanceFrontierAnalysis())
 FUNCTION_ANALYSIS("loops", LoopAnalysis())
 FUNCTION_ANALYSIS("lazy-value-info", LazyValueAnalysis())
 FUNCTION_ANALYSIS("da", DependenceAnalysis())
-FUNCTION_ANALYSIS("func-properties", FunctionPropertiesAnalysis())
+FUNCTION_ANALYSIS("inliner-features", InlineFeaturesAnalysis())
 FUNCTION_ANALYSIS("inliner-size-estimator", InlineSizeEstimatorAnalysis())
 FUNCTION_ANALYSIS("memdep", MemoryDependenceAnalysis())
 FUNCTION_ANALYSIS("memoryssa", MemorySSAAnalysis())

unittests/Analysis/CMakeLists.txt

@@ -27,7 +27,7 @@ add_llvm_unittest_with_input_files(AnalysisTests
   DivergenceAnalysisTest.cpp
   DomTreeUpdaterTest.cpp
   GlobalsModRefTest.cpp
-  FunctionPropertiesAnalysisTest.cpp
+  InlineFeaturesAnalysisTest.cpp
   IVDescriptorsTest.cpp
   LazyCallGraphTest.cpp
   LoadsTest.cpp

unittests/Analysis/InlineFeaturesAnalysisTest.cpp

@@ -1,4 +1,4 @@
-//===- FunctionPropertiesAnalysisTest.cpp - function properties unit tests-===//
+//===- InlineFeaturesAnalysisTest.cpp - inline features unit tests --------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Analysis/FunctionPropertiesAnalysis.h"
+#include "llvm/Analysis/InlineFeaturesAnalysis.h"
 #include "llvm/AsmParser/Parser.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
@@ -24,7 +24,7 @@ static std::unique_ptr<Module> parseIR(LLVMContext &C, const char *IR) {
   return Mod;
 }
 
-TEST(FunctionPropertiesTest, BasicTest) {
+TEST(InlineFeaturesTest, BasicTest) {
   LLVMContext C;
   std::unique_ptr<Module> M = parseIR(C,
                                       R"IR(
@@ -59,7 +59,7 @@ define internal i32 @top() {
 )IR");
 
   FunctionAnalysisManager FAM;
-  FunctionPropertiesAnalysis FA;
+  InlineFeaturesAnalysis FA;
 
   auto BranchesFeatures = FA.run(*M->getFunction("branches"), FAM);
   EXPECT_EQ(BranchesFeatures.BasicBlockCount, 4);