Add support for undef

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17055 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index 11565dff0b..eb57cced13 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -55,7 +55,7 @@ void AsmPrinter::emitZeros(unsigned NumZeros) const {
 // Print out the specified constant, without a storage class.  Only the
 // constants valid in constant expressions can occur here.
 void AsmPrinter::emitConstantValueOnly(const Constant *CV) {
-  if (CV->isNullValue())
+  if (CV->isNullValue() || isa<UndefValue>(CV))
     O << "0";
   else if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
     assert(CB == ConstantBool::True);
@@ -171,7 +171,7 @@ static void printAsCString(std::ostream &O, const ConstantArray *CVA) {
 void AsmPrinter::emitGlobalConstant(const Constant *CV) {  
   const TargetData &TD = TM.getTargetData();
 
-  if (CV->isNullValue()) {
+  if (CV->isNullValue() || isa<UndefValue>(CV)) {
     emitZeros(TD.getTypeSize(CV->getType()));
     return;
   } else if (const ConstantArray *CVA = dyn_cast<ConstantArray>(CV)) {