Applied some recommend changes from sabre. The dominate one beginning "let the

pass manager do it's thing."  Fixes crash when compiling -g files and suppresses
dwarf statements if no debug info is present.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25100 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llc/llc.cpp

@@ -239,9 +239,6 @@ int main(int argc, char **argv) {
       }
     }
     
-    // Set up collection of debug information
-    Passes.add(createDebugInfoPass());
-
     // Ask the target to add backend passes as necessary.
     if (Target.addPassesToEmitFile(Passes, *Out, FileType, Fast)) {
       std::cerr << argv[0] << ": target '" << Target.getName()