do not rely on callee being operand 0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67681 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index 9f9c1c4..8262408 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -1366,7 +1366,7 @@
     }
     case Instruction::Call:{
       const CallInst* call = cast<CallInst>(I);
-      if (InlineAsm* ila = dyn_cast<InlineAsm>(call->getOperand(0))) {
+      if (const InlineAsm* ila = dyn_cast<InlineAsm>(call->getCalledValue())) {
         Out << "InlineAsm* " << getCppName(ila) << " = InlineAsm::get("
             << getCppName(ila->getFunctionType()) << ", \""
             << ila->getAsmString() << "\", \""