[PATCH] D62411: LiveIntervals: add LiveRange::findIndexesLiveAt function - return a list of SlotIndexes the LiveRange live at.
Valery Pykhtin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri May 31 03:21:18 PDT 2019
vpykhtin added a comment.
Hi, this is the parent revision for the https://reviews.llvm.org/D62401.
Briefly AMDGPU backend needs live-in/live-out virtual register sets to calculate register pressure for the beginning/ending of every basic block on scheduling. For the large number of BBs this takes minutes. This patch makes it times faster.
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