[ThinLTO] Migrate ThinLTOBitcodeWriter to the new PM.

Summary: Also see D33429 for other ThinLTO + New PM related changes.

Reviewers: davide, chandlerc, tejohnson

Subscribers: mehdi_amini, Prazek, cfe-commits, inglorion, llvm-commits, eraman

Differential Revision: https://reviews.llvm.org/D33525

llvm-svn: 304378

1 files changed, 13 insertions, 7 deletions

diff --git a/llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp b/llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp
index 659cb9df00a..9dede4cedd1 100644
--- a/llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp
+++ b/llvm/lib/Transforms/IPO/ThinLTOBitcodeWriter.cpp
@@ -6,14 +6,8 @@
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
-// This pass prepares a module containing type metadata for ThinLTO by splitting
-// it into regular and thin LTO parts if possible, and writing both parts to
-// a multi-module bitcode file. Modules that do not contain type metadata are
-// written unmodified as a single module.
-//
-//===----------------------------------------------------------------------===//
 
+#include "llvm/Transforms/IPO/ThinLTOBitcodeWriter.h"
 #include "llvm/Analysis/BasicAliasAnalysis.h"
 #include "llvm/Analysis/ModuleSummaryAnalysis.h"
 #include "llvm/Analysis/ProfileSummaryInfo.h"
@@ -436,3 +430,15 @@ ModulePass *llvm::createWriteThinLTOBitcodePass(raw_ostream &Str,
                                                 raw_ostream *ThinLinkOS) {
   return new WriteThinLTOBitcode(Str, ThinLinkOS);
 }
+
+PreservedAnalyses
+llvm::ThinLTOBitcodeWriterPass::run(Module &M, ModuleAnalysisManager &AM) {
+  FunctionAnalysisManager &FAM =
+      AM.getResult<FunctionAnalysisManagerModuleProxy>(M).getManager();
+  writeThinLTOBitcode(OS, ThinLinkOS,
+                      [&FAM](Function &F) -> AAResults & {
+                        return FAM.getResult<AAManager>(F);
+                      },
+                      M, &AM.getResult<ModuleSummaryIndexAnalysis>(M));
+  return PreservedAnalyses::all();
+}