1. Make sure bytecode/assembly inputs are always redirected stdin so that
the module name is <stdin>. This helps not get false negatives when the
diff is done.
2. Scan the test file to determine if llvm-upgrade needs to be run.
3. Avoid running testings that are XFAIL'd because they'll cause a failure
when run for llvm2cpp.
4. Get some better error message output.
llvm-svn: 35914
is the default and handled by the makefile system and runtest
2. Redirect stderr of llvm-as and llvm2cpp so that warning messages about
instrinsics don't cause Tcl to report the run as failed.
llvm-svn: 28576
committed). This infrastructure is only activated when RUNLLVM2CPP=1 is
specified on the make command line. Currently it is only supported in the
Feature test suite.
llvm-svn: 28525
