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2 Commits

Author SHA1 Message Date
Jonas Maebe
b7803ab974 + llvm support for the register allocator. While llvm works with virtual 
registers itself, it requires them to be in SSA form. Therefore we
    spill all registers that are written more than once to memory.
  + support in the generic register allocator for generating code that is
    SSA-safe
  + spilling helpers for llvm

git-svn-id: branches/hlcgllvm@26044 -
 2013-11-11 11:15:47 +00:00
Jonas Maebe
3296984bd9 + classes for llvm instructions (ait_llvmins), procedure definitions 
(ait_llvmprocdef), global variable definitions (ait_llvmvarsym)
    and alias definitions (ait_llvmalias)

git-svn-id: branches/hlcgllvm@26036 -
 2013-11-11 11:15:13 +00:00