Fix SelectionDAGBuilder::getDbgValue to not expect DW_OP_deref on FI vars

This fixes an oversight in r300522, which changed alloca
dbg.values to no longer emit a DW_OP_deref.

The array.ll testcase was regenerated from source.

Fixes PR33166:
https://bugs.llvm.org/show_bug.cgi?id=33166

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303897 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed