Move our (non-existing) RTTI emission code into CGRtti.cpp. No functionality change.

llvm-svn: 83732

3 files changed, 49 insertions, 32 deletions

diff --git a/clang/lib/CodeGen/CGCXX.cpp b/clang/lib/CodeGen/CGCXX.cpp
index cd58b832da8..b8e738fb5e3 100644
--- a/clang/lib/CodeGen/CGCXX.cpp
+++ b/clang/lib/CodeGen/CGCXX.cpp
@@ -649,38 +649,6 @@ const char *CodeGenModule::getMangledCXXDtorName(const CXXDestructorDecl *D,
   return UniqueMangledName(Name.begin(), Name.end());
 }
 
-llvm::Constant *CodeGenModule::GenerateRtti(const CXXRecordDecl *RD) {
-  llvm::Type *Ptr8Ty;
-  Ptr8Ty = llvm::PointerType::get(llvm::Type::getInt8Ty(VMContext), 0);
-  llvm::Constant *Rtti = llvm::Constant::getNullValue(Ptr8Ty);
-
-  if (!getContext().getLangOptions().Rtti)
-    return Rtti;
-
-  llvm::SmallString<256> OutName;
-  llvm::raw_svector_ostream Out(OutName);
-  QualType ClassTy;
-  ClassTy = getContext().getTagDeclType(RD);
-  mangleCXXRtti(getMangleContext(), ClassTy, Out);
-  llvm::GlobalVariable::LinkageTypes linktype;
-  linktype = llvm::GlobalValue::WeakAnyLinkage;
-  std::vector<llvm::Constant *> info;
-  // assert(0 && "FIXME: implement rtti descriptor");
-  // FIXME: descriptor
-  info.push_back(llvm::Constant::getNullValue(Ptr8Ty));
-  // assert(0 && "FIXME: implement rtti ts");
-  // FIXME: TS
-  info.push_back(llvm::Constant::getNullValue(Ptr8Ty));
-
-  llvm::Constant *C;
-  llvm::ArrayType *type = llvm::ArrayType::get(Ptr8Ty, info.size());
-  C = llvm::ConstantArray::get(type, info);
-  Rtti = new llvm::GlobalVariable(getModule(), type, true, linktype, C,
-                                  Out.str());
-  Rtti = llvm::ConstantExpr::getBitCast(Rtti, Ptr8Ty);
-  return Rtti;
-}
-
 class VtableBuilder {
 public:
   /// Index_t - Vtable index type.
diff --git a/clang/lib/CodeGen/CGRtti.cpp b/clang/lib/CodeGen/CGRtti.cpp
new file mode 100644
index 00000000000..15f56dc7cc5
--- /dev/null
+++ b/clang/lib/CodeGen/CGRtti.cpp
@@ -0,0 +1,48 @@
+//===--- CGCXXRtti.cpp - Emit LLVM Code for C++ RTTI descriptors ----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This contains code dealing with C++ code generation of RTTI descriptors.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CodeGenModule.h"
+using namespace clang;
+using namespace CodeGen;
+
+llvm::Constant *CodeGenModule::GenerateRtti(const CXXRecordDecl *RD) {
+  llvm::Type *Ptr8Ty;
+  Ptr8Ty = llvm::PointerType::get(llvm::Type::getInt8Ty(VMContext), 0);
+  llvm::Constant *Rtti = llvm::Constant::getNullValue(Ptr8Ty);
+
+  if (!getContext().getLangOptions().Rtti)
+    return Rtti;
+
+  llvm::SmallString<256> OutName;
+  llvm::raw_svector_ostream Out(OutName);
+  QualType ClassTy;
+  ClassTy = getContext().getTagDeclType(RD);
+  mangleCXXRtti(getMangleContext(), ClassTy, Out);
+  llvm::GlobalVariable::LinkageTypes linktype;
+  linktype = llvm::GlobalValue::WeakAnyLinkage;
+  std::vector<llvm::Constant *> info;
+  // assert(0 && "FIXME: implement rtti descriptor");
+  // FIXME: descriptor
+  info.push_back(llvm::Constant::getNullValue(Ptr8Ty));
+  // assert(0 && "FIXME: implement rtti ts");
+  // FIXME: TS
+  info.push_back(llvm::Constant::getNullValue(Ptr8Ty));
+
+  llvm::Constant *C;
+  llvm::ArrayType *type = llvm::ArrayType::get(Ptr8Ty, info.size());
+  C = llvm::ConstantArray::get(type, info);
+  Rtti = new llvm::GlobalVariable(getModule(), type, true, linktype, C,
+                                  Out.str());
+  Rtti = llvm::ConstantExpr::getBitCast(Rtti, Ptr8Ty);
+  return Rtti;
+}
diff --git a/clang/lib/CodeGen/CMakeLists.txt b/clang/lib/CodeGen/CMakeLists.txt
index 5ceaecafcc7..5f086bdefb7 100644
--- a/clang/lib/CodeGen/CMakeLists.txt
+++ b/clang/lib/CodeGen/CMakeLists.txt
@@ -19,6 +19,7 @@ add_clang_library(clangCodeGen
   CGObjCGNU.cpp
   CGObjCMac.cpp
   CGRecordLayoutBuilder.cpp
+  CGRtti.cpp
   CGStmt.cpp
   CodeGenFunction.cpp
   CodeGenModule.cpp