Nirav Dave 563d6f8614 Cleanup TransferDbgValues ...

[DAG] Check debug values for invalidation before transferring and mark
old debug values invalid when transferring to another SDValue.

This fixes PR28613.

Reviewers: jyknight, hans, dblaikie, echristo

Subscribers: yaron.keren, ismail, llvm-commits

Differential Revision: https://reviews.llvm.org/D22858

llvm-svn: 277135

2016-07-29 11:49:32 +00:00

267 KiB

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