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librustc_mir: Implement def-use chains and trivial copy propagation on MIR. #36388

Merged
merged 2 commits into from
Sep 20, 2016
Merged

librustc_mir: Implement def-use chains and trivial copy propagation on MIR. #36388

merged 2 commits into from
Sep 20, 2016

Commits on Sep 19, 2016

  1. librustc: Add a new nop statement to the MIR. 

    This is useful when passes want to remove statements without affecting
`Location`s.
    @pcwalton
    pcwalton committed Sep 19, 2016
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Commits on Sep 20, 2016

  1. librustc: Implement def-use chains and trivial copy propagation on MIR. 

    This only supports trivial cases in which there is exactly one def and
one use.
    @pcwalton
    pcwalton committed Sep 20, 2016
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    480287e View commit details
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