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[DebugInfo][LCSSA] Preserve debug location in lcssa phis

Description

[DebugInfo][LCSSA] Preserve debug location in lcssa phis

Summary:
When inserting lcssa Phi Nodes in the exit block
mak sure to preserve the original instructions DL.

Reviewers: vsk

Subscribers: JDevlieghere, llvm-commits

Differential Revision: https://reviews.llvm.org/D50009

Details

Committed
gramanasJul 31 2018, 7:54 AM
Differential Revision
D50009: [DebugInfo][LCSSA] Preserve debug location in lcssa phis
Parents
rL338390: [DebugInfo] Generate DWARF debug information for labels.
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