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  • mumu
  • mu-impl-fast
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  • !46

multiple fixes and improvements

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Merged Yi Lin requested to merge domtree into develop Oct 18, 2017
  • Overview 0
  • Commits 28
  • Pipelines 0
  • Changes 23
  • machine-level loop analysis (dom tree, loop nest tree, etc)
  • changed rules on tree generation at IR level (only put nodes whose only use immediately follows their definition as children)
  • more properly deal with addressing modes on x86 backend
  • fixed bugs in register allocator
  • check invariants in register allocator (by default, it is turned off)
  • new heuristics about spilling, and color assignment
  • fixed mov generation from go-to-with-values form that may move a value to itself (when a block branches to itself)
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Source branch: domtree