Francis Visoiu Mistrih aa5ec34e31 [LoopDeletion] Emit a remark when a dead loop is deleted ...

This emits a remark when LoopDeletion deletes a dead loop, using the
source location of the loop's header. There are currently two reasons
for removing the loop: invariant loop or loop that never executes.

Differential Revision: https://reviews.llvm.org/D83113

2020-07-03 15:20:23 -07:00

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2007-07-23-InfiniteLoop.ll

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2008-05-06-Phi.ll

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2011-06-21-phioperands.ll

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2017-07-11-incremental-dt.ll

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basic-remark.ll

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crashbc.ll

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dcetest.ll

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diundef.ll

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invalidation.ll

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multiple-exit-conditions.ll

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multiple-exits.ll

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simplify-then-delete.ll

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unreachable-loops.ll

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update-scev.ll

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use-in-unreachable.ll

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