added generic is_used_by_subsequent_op to help output correct indirection types
added lcc2llvm tests to work with
added initial code to detect data constants
generate labels from conditional ops
test-indirect-branch now supported
improved data constant detection
support for test-struct-initializer and test-struct-copy
reduce false positives for data constant detection
temp removed ambiguous function const check
fixed function instruction range check in is_label_const
use correct type for float constants