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Florian Hahn df68c3a8c3 [LoopInterchange] Preserve LCSSA.

This patch extends LoopInterchange to move LCSSA to the right place
after interchanging. This is required for LoopInterchange to become a
function pass.

An alternative to the manual moving of the PHIs, we could also re-form
the LCSSA phis for a set of interchanged loops, but that's more
expensive.

Reviewers: efriedma, mcrosier, davide

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D52154

llvm-svn: 343132

2018-09-26 19:34:25 +00:00

call-instructions.ll

[LoopInterchange] Require asserts for test using -stats (NFC)

2018-04-05 13:07:39 +00:00

currentLimitation.ll

[LoopInterchange] Use getExitBlock()/getExitingBlock instead of manual impl.

2018-04-25 09:35:54 +00:00

debuginfo.ll

[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.

2018-05-09 02:40:45 +00:00

interchange-flow-dep-outer.ll

[LoopInterchange] Preserve LoopInfo after interchanging.