Tim Renouf ef2523a622 [LiveIntervals] Handle moving up dead partial write ... Summary: In the test case, the machine scheduler moves a dead write to a subreg up into the middle of a segment of the overall reg's live range, where the segment had liveness only for other subregs in the reg. handleMoveUp created an invalid live range, causing an assert a bit later. This commit fixes it to handle that situation. The segment is split in two at the insertion point, and the part after the split, and any subsequent segments up to the old position, are changed to be defined by the moved def. V2: Better test. Subscribers: MatzeB, nhaehnle, llvm-commits Differential Revision: https://reviews.llvm.org/D43478 Change-Id: Ibc42445ddca84e79ad1f616401015d22bc63832e llvm-svn: 326087		2018-02-26 14:42:13 +00:00
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CMakeLists.txt
LiveIntervalTest.cpp	[LiveIntervals] Handle moving up dead partial write	2018-02-26 14:42:13 +00:00