[LTO] Share the optimization remarks setup between Thin/Full LTO.

llvm-svn: 294807

llvm/lib/LTO/LTOCodeGenerator.cpp

@@ -35,6 +35,7 @@
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/InitializePasses.h"
+#include "llvm/LTO/LTO.h"
 #include "llvm/LTO/legacy/LTOModule.h"
 #include "llvm/LTO/legacy/UpdateCompilerUsed.h"
 #include "llvm/Linker/Linker.h"
@@ -506,24 +507,6 @@ void LTOCodeGenerator::verifyMergedModuleOnce() {
     report_fatal_error("Broken module found, compilation aborted!");
 }
 
-
-Expected<std::unique_ptr<tool_output_file>>
-LTOCodeGenerator::setupOptimizationRemarks() {
-  if (LTORemarksFilename.empty())
-    return nullptr;
-
-  std::error_code EC;
-  auto DiagnosticFile = llvm::make_unique<tool_output_file>(
-      LTORemarksFilename, EC, sys::fs::F_None);
-  if (EC)
-    return errorCodeToError(EC);
-  Context.setDiagnosticsOutputFile(
-      llvm::make_unique<yaml::Output>(DiagnosticFile->os()));
-  if (LTOPassRemarksWithHotness)
-    Context.setDiagnosticHotnessRequested(true);
-  return std::move(DiagnosticFile);
-}
-
 void LTOCodeGenerator::finishOptimizationRemarks() {
   if (DiagnosticOutputFile) {
     DiagnosticOutputFile->keep();
@@ -539,7 +522,8 @@ bool LTOCodeGenerator::optimize(bool DisableVerify, bool DisableInline,
   if (!this->determineTarget())
     return false;
 
-  auto DiagFileOrErr = setupOptimizationRemarks();
+  auto DiagFileOrErr = lto::setupOptimizationRemarks(
+      Context, LTORemarksFilename, LTOPassRemarksWithHotness);
   if (!DiagFileOrErr) {
     errs() << "Error: " << toString(DiagFileOrErr.takeError()) << "\n";
     report_fatal_error("Can't get an output file for the remarks");