git.sourceforge.jp Git - android-x86/art.git/commit

author	Nicolas Geoffray <ngeoffray@google.com>
	Tue, 10 May 2016 13:35:34 +0000 (14:35 +0100)
committer	Nicolas Geoffray <ngeoffray@google.com>
	Wed, 11 May 2016 08:54:19 +0000 (09:54 +0100)
commit	77ce6430af2709432b22344ed656edd8ec80581b
tree	a11f05756407cf9ccd5bd03d5f466f4bb727fcc4	tree \| snapshot
parent	f11e5473461d9f33d4427187fb945a1edcf2ef34	commit \| diff

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

12 files changed:

compiler/optimizing/graph_visualizer.cc		diff \| blob \| history
compiler/optimizing/gvn.cc		diff \| blob \| history
compiler/optimizing/licm.cc		diff \| blob \| history
compiler/optimizing/nodes.cc		diff \| blob \| history
compiler/optimizing/nodes.h		diff \| blob \| history
compiler/optimizing/register_allocator.cc		diff \| blob \| history
compiler/optimizing/ssa_liveness_analysis.cc		diff \| blob \| history
compiler/optimizing/ssa_liveness_analysis.h		diff \| blob \| history
test/599-checker-irreducible-loop/expected.txt	[new file with mode: 0644]	blob
test/599-checker-irreducible-loop/info.txt	[new file with mode: 0644]	blob
test/599-checker-irreducible-loop/smali/IrreducibleLoop.smali	[new file with mode: 0644]	blob
test/599-checker-irreducible-loop/src/Main.java	[new file with mode: 0644]	blob

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