[PATCH] D23579: [ThinLTO] Adapt backend invocation to llvm API changes.

[Mehdi AMINI via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL278906: [ThinLTO] Adapt backend invocation to llvm API changes. (authored by mehdi_amini).

Changed prior to commit:
  https://reviews.llvm.org/D23579?vs=68252&id=68308#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D23579

Files:
  cfe/trunk/lib/CodeGen/BackendUtil.cpp

Index: cfe/trunk/lib/CodeGen/BackendUtil.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp
@@ -724,6 +724,20 @@
   }
 }
 
+namespace {
+// Wrapper prodiving a stream for the ThinLTO backend.
+class ThinLTOOutputWrapper : public lto::NativeObjectOutput {
+  std::unique_ptr<raw_pwrite_stream> OS;
+
+public:
+  ThinLTOOutputWrapper(std::unique_ptr<raw_pwrite_stream> OS)
+      : OS(std::move(OS)) {}
+  std::unique_ptr<raw_pwrite_stream> getStream() override {
+    return std::move(OS);
+  }
+};
+}
+
 static void runThinLTOBackend(const CodeGenOptions &CGOpts, Module *M,
                               std::unique_ptr<raw_pwrite_stream> OS) {
   // If we are performing a ThinLTO importing compile, load the function index
@@ -741,8 +755,6 @@
   }
   std::unique_ptr<ModuleSummaryIndex> CombinedIndex = std::move(*IndexOrErr);
 
-  auto AddStream = [&](size_t Task) { return std::move(OS); };
-
   StringMap<std::map<GlobalValue::GUID, GlobalValueSummary *>>
       ModuleToDefinedGVSummaries;
   CombinedIndex->collectDefinedGVSummariesPerModule(ModuleToDefinedGVSummaries);
@@ -767,10 +779,12 @@
     ModuleMap[I.first()] = (*MBOrErr)->getMemBufferRef();
     OwnedImports.push_back(std::move(*MBOrErr));
   }
-
+  auto AddOutput = [&](size_t Task) {
+    return llvm::make_unique<ThinLTOOutputWrapper>(std::move(OS));
+  };
   lto::Config Conf;
   if (Error E = thinBackend(
-          Conf, 0, AddStream, *M, *CombinedIndex, ImportList,
+          Conf, 0, AddOutput, *M, *CombinedIndex, ImportList,
           ModuleToDefinedGVSummaries[M->getModuleIdentifier()], ModuleMap)) {
     handleAllErrors(std::move(E), [&](ErrorInfoBase &EIB) {
       errs() << "Error running ThinLTO backend: " << EIB.message() << '\n';


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