Update for LLVM API change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75446 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 041480f..b516da9 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -804,7 +804,7 @@
     // exists. A use may still exists, however, so we still may need
     // to do a RAUW.
     assert(!ASTTy->isIncompleteType() && "Unexpected incomplete type");
-    Init = llvm::Constant::getNullValue(getTypes().ConvertTypeForMem(ASTTy));
+    Init = getLLVMContext().getNullValue(getTypes().ConvertTypeForMem(ASTTy));
   } else {
     Init = EmitConstantExpr(D->getInit(), D->getType());
     if (!Init) {
@@ -1184,7 +1184,7 @@
   // Append padding
   for (int i = StructFieldNo + 1; i < NextStructFieldNo; i++) {
     llvm::Constant *C = 
-      llvm::Constant::getNullValue(STy->getElementType(StructFieldNo + 1));
+      CGM.getLLVMContext().getNullValue(STy->getElementType(StructFieldNo + 1));
     
     Fields.push_back(C);
   }
@@ -1232,7 +1232,7 @@
   if (llvm::Constant *C = Entry.getValue())
     return C;
   
-  llvm::Constant *Zero = llvm::Constant::getNullValue(llvm::Type::Int32Ty);
+  llvm::Constant *Zero = getLLVMContext().getNullValue(llvm::Type::Int32Ty);
   llvm::Constant *Zeros[] = { Zero, Zero };
   
   if (!CFConstantStringClassRef) {