llvm-svn: 36176

Fix test syntax per new rules.

llvm-svn: 36133

Upgrade to use new Tcl exec based test harness.

llvm-svn: 36062

global variables that needed to be passed in. This makes it possible to
add new global variables with only a couple changes (Makefile and llvm-dg.exp)
instead of touching every single dg.exp file.

llvm-svn: 35918

llvm-svn: 33296