[ThinLTO] Clang side of renaming of function index (NFC)

This is the companion to an LLVM patch that renamed the function index
data structures and files to use the more general module summary index.

(Recommit after fixing LLVM side to add back missed file)

llvm-svn: 263514

4 files changed, 22 insertions, 22 deletions

diff --git a/clang/include/clang/CodeGen/BackendUtil.h b/clang/include/clang/CodeGen/BackendUtil.h
index 64773b0121a..a3e38245081 100644
--- a/clang/include/clang/CodeGen/BackendUtil.h
+++ b/clang/include/clang/CodeGen/BackendUtil.h
@@ -11,7 +11,7 @@
 #define LLVM_CLANG_CODEGEN_BACKENDUTIL_H
 
 #include "clang/Basic/LLVM.h"
-#include "llvm/IR/FunctionInfo.h"
+#include "llvm/IR/ModuleSummaryIndex.h"
 #include <memory>
 
 namespace llvm {
diff --git a/clang/include/clang/Frontend/CodeGenOptions.def b/clang/include/clang/Frontend/CodeGenOptions.def
index 99ff105ea89..cd5b50c5280 100644
--- a/clang/include/clang/Frontend/CodeGenOptions.def
+++ b/clang/include/clang/Frontend/CodeGenOptions.def
@@ -74,8 +74,8 @@ CODEGENOPT(LessPreciseFPMAD  , 1, 0) ///< Enable less precise MAD instructions t
                                      ///< be generated.
 CODEGENOPT(PrepareForLTO     , 1, 0) ///< Set when -flto is enabled on the
                                      ///< compile step.
-CODEGENOPT(EmitFunctionSummary, 1, 0) ///< Set when -flto=thin is enabled on the
-                                      ///< compile step.
+CODEGENOPT(EmitSummaryIndex, 1, 0)   ///< Set when -flto=thin is enabled on the
+                                     ///< compile step.
 CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can
                                               ///< be used with an incremental
                                               ///< linker.
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 9727fc99bf6..47a34a21b81 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -22,13 +22,13 @@
 #include "llvm/CodeGen/RegAllocRegistry.h"
 #include "llvm/CodeGen/SchedulerRegistry.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/IR/FunctionInfo.h"
+#include "llvm/IR/ModuleSummaryIndex.h"
 #include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/IR/LegacyPassManager.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/MC/SubtargetFeature.h"
-#include "llvm/Object/FunctionIndexObjectFile.h"
+#include "llvm/Object/ModuleSummaryIndexObjectFile.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/TargetRegistry.h"
@@ -98,7 +98,7 @@ private:
     return PerFunctionPasses;
   }
 
-  void CreatePasses(FunctionInfoIndex *FunctionIndex);
+  void CreatePasses(ModuleSummaryIndex *ModuleSummary);
 
   /// Generates the TargetMachine.
   /// Returns Null if it is unable to create the target machine.
@@ -279,7 +279,7 @@ static void addSymbolRewriterPass(const CodeGenOptions &Opts,
   MPM->add(createRewriteSymbolsPass(DL));
 }
 
-void EmitAssemblyHelper::CreatePasses(FunctionInfoIndex *FunctionIndex) {
+void EmitAssemblyHelper::CreatePasses(ModuleSummaryIndex *ModuleSummary) {
   if (CodeGenOpts.DisableLLVMPasses)
     return;
 
@@ -326,16 +326,16 @@ void EmitAssemblyHelper::CreatePasses(FunctionInfoIndex *FunctionIndex) {
   PMBuilder.DisableUnitAtATime = !CodeGenOpts.UnitAtATime;
   PMBuilder.DisableUnrollLoops = !CodeGenOpts.UnrollLoops;
   PMBuilder.MergeFunctions = CodeGenOpts.MergeFunctions;
-  PMBuilder.PrepareForThinLTO = CodeGenOpts.EmitFunctionSummary;
+  PMBuilder.PrepareForThinLTO = CodeGenOpts.EmitSummaryIndex;
   PMBuilder.PrepareForLTO = CodeGenOpts.PrepareForLTO;
   PMBuilder.RerollLoops = CodeGenOpts.RerollLoops;
 
   legacy::PassManager *MPM = getPerModulePasses();
 
   // If we are performing a ThinLTO importing compile, invoke the LTO
-  // pipeline and pass down the in-memory function index.
-  if (FunctionIndex) {
-    PMBuilder.FunctionIndex = FunctionIndex;
+  // pipeline and pass down the in-memory module summary index.
+  if (ModuleSummary) {
+    PMBuilder.ModuleSummary = ModuleSummary;
     PMBuilder.populateThinLTOPassManager(*MPM);
     return;
   }
@@ -643,24 +643,24 @@ void EmitAssemblyHelper::EmitAssembly(BackendAction Action,
   // If we are performing a ThinLTO importing compile, load the function
   // index into memory and pass it into CreatePasses, which will add it
   // to the PassManagerBuilder and invoke LTO passes.
-  std::unique_ptr<FunctionInfoIndex> FunctionIndex;
+  std::unique_ptr<ModuleSummaryIndex> ModuleSummary;
   if (!CodeGenOpts.ThinLTOIndexFile.empty()) {
-    ErrorOr<std::unique_ptr<FunctionInfoIndex>> IndexOrErr =
-        llvm::getFunctionIndexForFile(CodeGenOpts.ThinLTOIndexFile,
-                                      [&](const DiagnosticInfo &DI) {
-                                        TheModule->getContext().diagnose(DI);
-                                      });
+    ErrorOr<std::unique_ptr<ModuleSummaryIndex>> IndexOrErr =
+        llvm::getModuleSummaryIndexForFile(
+            CodeGenOpts.ThinLTOIndexFile, [&](const DiagnosticInfo &DI) {
+              TheModule->getContext().diagnose(DI);
+            });
     if (std::error_code EC = IndexOrErr.getError()) {
       std::string Error = EC.message();
       errs() << "Error loading index file '" << CodeGenOpts.ThinLTOIndexFile
              << "': " << Error << "\n";
       return;
     }
-    FunctionIndex = std::move(IndexOrErr.get());
-    assert(FunctionIndex && "Expected non-empty function index");
+    ModuleSummary = std::move(IndexOrErr.get());
+    assert(ModuleSummary && "Expected non-empty module summary index");
   }
 
-  CreatePasses(FunctionIndex.get());
+  CreatePasses(ModuleSummary.get());
 
   switch (Action) {
   case Backend_EmitNothing:
@@ -668,7 +668,7 @@ void EmitAssemblyHelper::EmitAssembly(BackendAction Action,
 
   case Backend_EmitBC:
     getPerModulePasses()->add(createBitcodeWriterPass(
-        *OS, CodeGenOpts.EmitLLVMUseLists, CodeGenOpts.EmitFunctionSummary));
+        *OS, CodeGenOpts.EmitLLVMUseLists, CodeGenOpts.EmitSummaryIndex));
     break;
 
   case Backend_EmitLL:
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index eccf5976cd2..c21279450d1 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -608,7 +608,7 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
 
   Opts.PrepareForLTO = Args.hasArg(OPT_flto, OPT_flto_EQ);
   const Arg *A = Args.getLastArg(OPT_flto, OPT_flto_EQ);
-  Opts.EmitFunctionSummary = A && A->containsValue("thin");
+  Opts.EmitSummaryIndex = A && A->containsValue("thin");
   if (Arg *A = Args.getLastArg(OPT_fthinlto_index_EQ)) {
     if (IK != IK_LLVM_IR)
       Diags.Report(diag::err_drv_argument_only_allowed_with)