[CodeGenPrepare] Pre-commit debug info test for optimizeSelectInst

This test shows that optimizeSelectInst splits a select and sinks a
`fdiv` operation to one side of the diamond. However, the dbg.value for
the operation isn't moved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340369 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed