Georg Schmid 16893bda75 [csa] Track stores and perform simple alias analysis in CSA Load Elimination ... This CL allows CsaLoadElimination to retain some information in the presence of StoreToObject nodes. Two stores to an object don't alias if either the objects or the offsets don't alias. The analysis approximates either of these two conditions conservatively as follows: - Freshly allocated, distinct objects cannot alias. - Two objects cannot alias if one of is freshly allocated and the other was passed as a parameter or is a heap constant. - Two offsets cannot alias if they are both constant and distinct from each other. R=jarin@chromium.org, tebbi@chromium.org Change-Id: Ibec81913b413f81a3f7cbd40544a22d3711e6e5a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1660626 Commit-Queue: Georg Schmid <gsps@google.com> Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#62232}		2019-06-18 08:46:55 +00:00
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test-torque.cc	[csa] Track stores and perform simple alias analysis in CSA Load Elimination	2019-06-18 08:46:55 +00:00