Commit 77ce6430 authored by Nicolas Geoffray's avatar Nicolas Geoffray
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Fix another case of live_in at irreducible loop entry. 

GVN was implicitly extending the liveness of an instruction across
an irreducible loop.

Fix this problem by clearing the value set at loop entries that contain
an irreducible loop.

bug:28252896
Change-Id: I68823cb88dceb4c2b4545286ba54fd0c958a48b0
parent f11e5473
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