Find longs by type, not by their primitive size being 64. Patch by Nate Begeman.

llvm-svn: 15304
diff --git a/llvm/lib/Target/PowerPC/PPC32AsmPrinter.cpp b/llvm/lib/Target/PowerPC/PPC32AsmPrinter.cpp
index 891e3e8..032bf59 100644
--- a/llvm/lib/Target/PowerPC/PPC32AsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/PPC32AsmPrinter.cpp
@@ -294,7 +294,7 @@
       return;
     }
     }
-  } else if (CV->getType()->getPrimitiveSize() == 64) {
+  } else if (CV->getType() == Type::ULongTy || CV->getType() == Type::LongTy) {
     if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
       union DU {                            // Abide by C TBAA rules
         int64_t UVal;