diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp
index 79b3c1bd36d..38e51abf03f 100644
--- a/lib/Target/PowerPC/PPC32ISelSimple.cpp
+++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp
@@ -612,7 +612,7 @@ void PPC32ISel::copyConstantToRegister(MachineBasicBlock *MBB,
                                        Constant *C, unsigned R) {
   if (isa<UndefValue>(C)) {
     BuildMI(*MBB, IP, PPC::IMPLICIT_DEF, 0, R);
-    if (getClass(C->getType()) == cLong)
+    if (getClassB(C->getType()) == cLong)
       BuildMI(*MBB, IP, PPC::IMPLICIT_DEF, 0, R+1);
     return;
   }