Delete the setModule method from the Linker.

It was only used from LTO for a debug feature, and LTO can just create
another linker.

It is pretty odd to have a method to reset the module in the middle of a
link. It would make IdentifiedStructTypes inconsistent with the Module
for example.

llvm-svn: 254434

2 files changed, 4 insertions, 8 deletions

diff --git a/llvm/lib/LTO/LTOCodeGenerator.cpp b/llvm/lib/LTO/LTOCodeGenerator.cpp
index 931bcf0d23f..37ee7e8c53c 100644
--- a/llvm/lib/LTO/LTOCodeGenerator.cpp
+++ b/llvm/lib/LTO/LTOCodeGenerator.cpp
@@ -67,14 +67,14 @@ const char* LTOCodeGenerator::getVersionString() {
 LTOCodeGenerator::LTOCodeGenerator()
     : Context(getGlobalContext()),
       MergedModule(new Module("ld-temp.o", Context)),
-      IRLinker(MergedModule.get()) {
+      IRLinker(new Linker(MergedModule.get())) {
   initializeLTOPasses();
 }
 
 LTOCodeGenerator::LTOCodeGenerator(std::unique_ptr<LLVMContext> Context)
     : OwnedContext(std::move(Context)), Context(*OwnedContext),
       MergedModule(new Module("ld-temp.o", *OwnedContext)),
-      IRLinker(MergedModule.get()) {
+      IRLinker(new Linker(MergedModule.get())) {
   initializeLTOPasses();
 }
 
@@ -114,7 +114,7 @@ bool LTOCodeGenerator::addModule(LTOModule *Mod) {
   assert(&Mod->getModule().getContext() == &Context &&
          "Expected module in same context");
 
-  bool ret = IRLinker.linkInModule(&Mod->getModule());
+  bool ret = IRLinker->linkInModule(&Mod->getModule());
 
   const std::vector<const char *> &undefs = Mod->getAsmUndefinedRefs();
   for (int i = 0, e = undefs.size(); i != e; ++i)
@@ -130,7 +130,7 @@ void LTOCodeGenerator::setModule(std::unique_ptr<LTOModule> Mod) {
   AsmUndefinedRefs.clear();
 
   MergedModule = Mod->takeModule();
-  IRLinker.setModule(MergedModule.get());
+  IRLinker = make_unique<Linker>(MergedModule.get());
 
   const std::vector<const char*> &Undefs = Mod->getAsmUndefinedRefs();
   for (int I = 0, E = Undefs.size(); I != E; ++I)
diff --git a/llvm/lib/Linker/LinkModules.cpp b/llvm/lib/Linker/LinkModules.cpp
index f745df56f9a..c57c70e322a 100644
--- a/llvm/lib/Linker/LinkModules.cpp
+++ b/llvm/lib/Linker/LinkModules.cpp
@@ -2071,10 +2071,6 @@ bool Linker::linkInModule(Module *Src, unsigned Flags,
   return RetCode;
 }
 
-void Linker::setModule(Module *Dst) {
-  init(Dst, DiagnosticHandler);
-}
-
 //===----------------------------------------------------------------------===//
 // LinkModules entrypoint.
 //===----------------------------------------------------------------------===//