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Fix for PR27940

Description

Fix for PR27940

After a store has been eliminated, when making sure that the
instruction iterator points to a valid instruction, dbg intrinsics are
now ignored as a new instruction.

Patch by Henric Karlsson.

Reviewed by Daniel Berlin.

Differential Revision: http://reviews.llvm.org/D21076

Details

Committed
pathaJun 20 2016, 2:10 AM
Differential Revision
D21076: [DSE] Ignore dbg value when instruction iterator is reset.
Parents
rL273140: Fix comment.
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