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[TailDuplication] Add option to enable tail duplication of fallthrough BBs #727

Merged
merged 2 commits into from
Oct 30, 2024
Merged

[TailDuplication] Add option to enable tail duplication of fallthrough BBs #727

merged 2 commits into from
Oct 30, 2024

Commits on Oct 29, 2024

  1. [TailDuplication] Add pre-commit test for Add option to enable tail d… 

    …uplication of fallthrough BBs

Signed-off-by: Vladimir Radosavljevic <[email protected]>
    @vladimirradosavljevic
    vladimirradosavljevic committed Oct 29, 2024
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Commits on Oct 30, 2024

  1. [TailDuplication] Add option to enable tail duplication of fallthroug… 

    …h BBs

During the TailDuplication pass, fallthrough BBs are
not duplicated. This is generally acceptable, but in
scenarios where a loop contains a large switch case
and the latch BB is a fallthrough, duplicating the
latch BB can eliminate jump instructions in its
predecessors. This patch introduces the
`tail-dup-fallthrough-bbs` option to enable the
duplication of fallthrough BBs.

PR: #727.

Signed-off-by: Vladimir Radosavljevic <[email protected]>
    @vladimirradosavljevic
    vladimirradosavljevic committed Oct 30, 2024
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    2b28888 View commit details
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