Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3):

https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

1 files changed, 31 insertions, 11 deletions

diff --git a/lib/CodeGen/CGCXXABI.cpp b/lib/CodeGen/CGCXXABI.cpp
index 68fecb2..412b278 100644
--- a/lib/CodeGen/CGCXXABI.cpp
+++ b/lib/CodeGen/CGCXXABI.cpp
@@ -1,4 +1,4 @@
-//===----- CGCXXABI.cpp - Interface to C++ ABIs -----------------*- C++ -*-===//
+//===----- CGCXXABI.cpp - Interface to C++ ABIs ---------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -212,13 +212,6 @@ llvm::Value *CGCXXABI::readArrayCookieImpl(CodeGenFunction &CGF,
   return llvm::ConstantInt::get(CGF.SizeTy, 0);
 }
 
-void CGCXXABI::EmitGuardedInit(CodeGenFunction &CGF,
-                               const VarDecl &D,
-                               llvm::GlobalVariable *GV,
-                               bool PerformInit) {
-  ErrorUnsupportedABI(CGF, "static local variable initialization");
-}
-
 void CGCXXABI::registerGlobalDtor(CodeGenFunction &CGF,
                                   const VarDecl &D,
                                   llvm::Constant *dtor,
@@ -227,7 +220,7 @@ void CGCXXABI::registerGlobalDtor(CodeGenFunction &CGF,
     CGM.ErrorUnsupported(&D, "non-trivial TLS destruction");
 
   // The default behavior is to use atexit.
-  CGF.registerGlobalDtorWithAtExit(dtor, addr);
+  CGF.registerGlobalDtorWithAtExit(D, dtor, addr);
 }
 
 /// Returns the adjustment, in bytes, required for the given
@@ -251,8 +244,31 @@ llvm::Constant *CGCXXABI::getMemberPointerAdjustment(const CastExpr *E) {
                                           E->path_end());
 }
 
-llvm::BasicBlock *CGCXXABI::EmitCtorCompleteObjectHandler(
-                                                         CodeGenFunction &CGF) {
+CharUnits CGCXXABI::getMemberPointerPathAdjustment(const APValue &MP) {
+  // TODO: Store base specifiers in APValue member pointer paths so we can
+  // easily reuse CGM.GetNonVirtualBaseClassOffset().
+  const ValueDecl *MPD = MP.getMemberPointerDecl();
+  CharUnits ThisAdjustment = CharUnits::Zero();
+  ArrayRef<const CXXRecordDecl*> Path = MP.getMemberPointerPath();
+  bool DerivedMember = MP.isMemberPointerToDerivedMember();
+  const CXXRecordDecl *RD = cast<CXXRecordDecl>(MPD->getDeclContext());
+  for (unsigned I = 0, N = Path.size(); I != N; ++I) {
+    const CXXRecordDecl *Base = RD;
+    const CXXRecordDecl *Derived = Path[I];
+    if (DerivedMember)
+      std::swap(Base, Derived);
+    ThisAdjustment +=
+      getContext().getASTRecordLayout(Derived).getBaseClassOffset(Base);
+    RD = Path[I];
+  }
+  if (DerivedMember)
+    ThisAdjustment = -ThisAdjustment;
+  return ThisAdjustment;
+}
+
+llvm::BasicBlock *
+CGCXXABI::EmitCtorCompleteObjectHandler(CodeGenFunction &CGF,
+                                        const CXXRecordDecl *RD) {
   if (CGM.getTarget().getCXXABI().hasConstructorVariants())
     llvm_unreachable("shouldn't be called in this ABI");
 
@@ -270,3 +286,7 @@ LValue CGCXXABI::EmitThreadLocalDeclRefExpr(CodeGenFunction &CGF,
   ErrorUnsupportedABI(CGF, "odr-use of thread_local global");
   return LValue();
 }
+
+bool CGCXXABI::NeedsVTTParameter(GlobalDecl GD) {
+  return false;
+}