[Windows] Abstract pure virtual method calls in the ABI. Fix the Windows ABI to forward to the correct function.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160373 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 8 deletions

diff --git a/lib/CodeGen/CGVTables.cpp b/lib/CodeGen/CGVTables.cpp
index 0d3d023313..c2c42f6e00 100644
--- a/lib/CodeGen/CGVTables.cpp
+++ b/lib/CodeGen/CGVTables.cpp
@@ -569,15 +569,15 @@ CodeGenVTables::CreateVTableInitializer(const CXXRecordDecl *RD,
 
       if (cast<CXXMethodDecl>(GD.getDecl())->isPure()) {
         // We have a pure virtual member function.
-        if (!PureVirtualFn) {
-          llvm::FunctionType *Ty = 
-            llvm::FunctionType::get(CGM.VoidTy, /*isVarArg=*/false);
-          PureVirtualFn = 
-            CGM.CreateRuntimeFunction(Ty, "__cxa_pure_virtual");
-          PureVirtualFn = llvm::ConstantExpr::getBitCast(PureVirtualFn, 
-                                                         Int8PtrTy);
+        if (!PureVirtualFn ) {
+            llvm::FunctionType *Ty = 

+                llvm::FunctionType::get(CGM.VoidTy, /*isVarArg=*/false);

+            StringRef PureCallName = CGM.getCXXABI().GetPureVirtualCallName();

+            PureVirtualFn = CGM.CreateRuntimeFunction(Ty, PureCallName);

+            PureVirtualFn = llvm::ConstantExpr::getBitCast(PureVirtualFn,

+                                                        CGM.Int8PtrTy);
         }
-        
+
         Init = PureVirtualFn;
       } else {
         // Check if we should use a thunk.