r270086 - Check for nullptr argument.

[Artem Belevich via cfe-commits]

Author: tra
Date: Thu May 19 13:00:18 2016
New Revision: 270086

URL: http://llvm.org/viewvc/llvm-project?rev=270086&view=rev
Log:
Check for nullptr argument.

Addresses static analysis report in PR15492.

Differential Revision: http://reviews.llvm.org/D20141

Modified:
    cfe/trunk/lib/CodeGen/CodeGenModule.cpp

Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=270086&r1=270085&r2=270086&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Thu May 19 13:00:18 2016
@@ -2082,7 +2082,7 @@ CodeGenModule::GetOrCreateLLVMGlobal(Str
 
       // Check that D is not yet in DiagnosedConflictingDefinitions is required
       // to make sure that we issue an error only once.
-      if (lookupRepresentativeDecl(MangledName, OtherGD) &&
+      if (D && lookupRepresentativeDecl(MangledName, OtherGD) &&
           (D->getCanonicalDecl() != OtherGD.getCanonicalDecl().getDecl()) &&
           (OtherD = dyn_cast<VarDecl>(OtherGD.getDecl())) &&
           OtherD->hasInit() &&
@@ -2301,7 +2301,7 @@ CharUnits CodeGenModule::GetTargetTypeSt
 
 unsigned CodeGenModule::GetGlobalVarAddressSpace(const VarDecl *D,
                                                  unsigned AddrSpace) {
-  if (LangOpts.CUDA && LangOpts.CUDAIsDevice) {
+  if (D && LangOpts.CUDA && LangOpts.CUDAIsDevice) {
     if (D->hasAttr<CUDAConstantAttr>())
       AddrSpace = getContext().getTargetAddressSpace(LangAS::cuda_constant);
     else if (D->hasAttr<CUDASharedAttr>())