llvm-svn: 43258

llvm-svn: 42811

llvm-svn: 42810

llvm-svn: 42766

llvm-svn: 42648

llvm-svn: 42616

to emit signed comparisons when needed for enum decl references.  This implements
test/CodeGen/enum.c.  I think enums should be good now.

llvm-svn: 41572

llvm-svn: 41492

llvm-svn: 41478

llvm-svn: 41465

llvm-svn: 41406

llvm-svn: 41376

operators in all their glory :)

llvm-svn: 41373

llvm-svn: 41346

llvm-svn: 41314

llvm-svn: 41202

llvm-svn: 41015

llvm-svn: 40994

llvm-svn: 40783

llvm-svn: 39858

llvm-svn: 39842

llvm-svn: 39841

llvm-svn: 39836

llvm-svn: 39829