[lit] Remove dead ignoreStdError argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187849 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Add a --show-tests option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187850 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] tests: Change discovery test to use --show-tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187851 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Drop --no-execute, which isn't generally useful.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187852 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Use more modern syntax for constructing exceptions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187853 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Remove uses of deprecated except syntax.

 - Since we only have a few of these, use the cumbersome method of getting the
   exception object from 'sys' to retain the current pre-2.6 compatibility.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187854 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Remove use of deprecated parameter tuple unpacking.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187855 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Use dual-compatible print() syntax where possible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187856 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Use .write() methods instead of print statement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187857 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Avoid use of iterator .next() method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187858 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Avoid __cmp__ and cmp().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187859 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Use modern absolute/relative import style.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187860 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Use newer StringIO class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187861 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Use py2&3 compatible exec() syntax.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187862 91177308-0d34-0410-b5e6-96231b3b80d8