Florian Hahn 120c059292 [DSE,MSSA] Port partial store merging. ...

Port partial constant store merging logic to MemorySSA backed DSE. The
heavy lifting is done by the existing helper function. It is used in
context where we already ensured that the later instruction can
eliminate the earlier one, if it is a complete overwrite.

2020-06-15 18:41:46 +01:00

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