don't send null pointers through the constantexpr codepath unneededly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94010 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 4c5e079..32e9036 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1247,6 +1247,12 @@
if (const ConstantVector *V = dyn_cast<ConstantVector>(CV))
return EmitGlobalConstantVector(V, AddrSpace, *this);
+ if (isa<ConstantPointerNull>(CV)) {
+ unsigned Size = TM.getTargetData()->getTypeAllocSize(CV->getType());
+ OutStreamer.EmitIntValue(0, Size, AddrSpace);
+ return;
+ }
+
// Otherwise, it must be a ConstantExpr. Emit the data directive, then emit
// the expression value.
switch (TM.getTargetData()->getTypeAllocSize(CV->getType())) {