2 files changed, 0 insertions, 32 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index dabec15b784..9e80f0a0a1f 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -802,20 +802,6 @@ static void TryMarkNoThrow(llvm::Function *F) {
   F->setDoesNotThrow();
 }
 
-static void EmitSizedDeallocationFunction(CodeGenFunction &CGF,
-                                          const FunctionDecl *UnsizedDealloc) {
-  // This is a weak discardable definition of the sized deallocation function.
-  CGF.CurFn->setLinkage(llvm::Function::LinkOnceAnyLinkage);
-  if (CGF.CGM.supportsCOMDAT())
-    CGF.CurFn->setComdat(
-        CGF.CGM.getModule().getOrInsertComdat(CGF.CurFn->getName()));
-
-  // Call the unsized deallocation function and forward the first argument
-  // unchanged.
-  llvm::Constant *Unsized = CGF.CGM.GetAddrOfFunction(UnsizedDealloc);
-  CGF.Builder.CreateCall(Unsized, &*CGF.CurFn->arg_begin());
-}
-
 void CodeGenFunction::GenerateCode(GlobalDecl GD, llvm::Function *Fn,
                                    const CGFunctionInfo &FnInfo) {
   const FunctionDecl *FD = cast<FunctionDecl>(GD.getDecl());
@@ -891,14 +877,6 @@ void CodeGenFunction::GenerateCode(GlobalDecl GD, llvm::Function *Fn,
     emitImplicitAssignmentOperatorBody(Args);
   } else if (Stmt *Body = FD->getBody()) {
     EmitFunctionBody(Args, Body);
-  } else if (FunctionDecl *UnsizedDealloc =
-                 FD->getCorrespondingUnsizedGlobalDeallocationFunction()) {
-    // Global sized deallocation functions get an implicit weak definition if
-    // they don't have an explicit definition, if allowed.
-    assert(getLangOpts().DefineSizedDeallocation &&
-           "Can't emit unallowed definition.");
-    EmitSizedDeallocationFunction(*this, UnsizedDealloc);
-
   } else
     llvm_unreachable("no definition for emitted function");
 
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index d1da069437a..f4ae684179a 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1620,16 +1620,6 @@ CodeGenModule::GetOrCreateLLVMFunction(StringRef MangledName,
       // don't need it anymore).
       addDeferredDeclToEmit(F, DDI->second);
       DeferredDecls.erase(DDI);
-      
-      // Otherwise, if this is a sized deallocation function, emit a weak
-      // definition for it at the end of the translation unit (if allowed),
-      // unless the sized deallocation function is aliased.
-    } else if (D &&
-               cast<FunctionDecl>(D)
-                  ->getCorrespondingUnsizedGlobalDeallocationFunction() &&
-               getLangOpts().DefineSizedDeallocation &&
-               !D->hasAttr<AliasAttr>()) {
-      addDeferredDeclToEmit(F, GD);
 
       // Otherwise, there are cases we have to worry about where we're
       // using a declaration for which we must emit a definition but where