[PATCH] D59790: [DebugInfo][Docs] Document how variable location metadata is transformed through target codegen

[Vedant Kumar via Phabricator via llvm-commits]

vsk added inline comments.


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Comment at: docs/SourceLevelDebugging.rst:784
+location, which would lead to a large number of debugging intrinsics being
+generated.
+
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@aprantl, do you remember our conversation about why llvm doesn't have a DBG_PHI MI? Was the main reason that it would require too many new meta-instructions to be inserted? Or was it that it wouldn't obviate the need for a convenient, block-local view of which variables are live?


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