Michael Kruse acbdd07de6 [DependenceInfo] Compute WAR dependence info using ISL kills. NFC. ...

When reading code of Dependences::calculateDependences, I noticed that
WAR is computed specifically by buildWAR.  Given ISL now
supports "kills" in approximate dataflow analysis, this patch takes
advantage of it.

This patch also cleans up a couple lines redundant codes.

Patch by bin.narwal <bin.narwal@gmail.com>

Differential Revision: https://reviews.llvm.org/D66741

llvm-svn: 370396

2019-08-29 18:55:55 +00:00

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