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[SROA] Fix crash with lifetime intrinsic partially covering alloca.

Authored by eli.friedman on Jul 24 2016, 2:10 PM.



PromoteMemToReg looks specifically for the pattern
bitcast+lifetime.start (or a bitcast-equivalent GEP); any offset
will lead to an assertion failure.

Fixes .

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eli.friedman retitled this revision from to [SROA] Fix crash with lifetime intrinsic partially covering alloca..
eli.friedman updated this object.
eli.friedman added a reviewer: chandlerc.
eli.friedman added a subscriber: llvm-commits.
adrake added a subscriber: adrake.Jul 25 2016, 4:29 PM

Ping. (Not sure who else would be appropriate to review this.)

chandlerc accepted this revision.Aug 5 2016, 5:25 PM
chandlerc edited edge metadata.

This is the correct fix. Sorry for the delay reviewing.

This revision is now accepted and ready to land.Aug 5 2016, 5:25 PM
This revision was automatically updated to reflect the committed changes.