[PATCH] D23715: Add @llvm.dbg.value entries for the phi node created by -mem2reg

[Keith Walker via llvm-commits]

keith.walker.arm updated this revision to Diff 71647.
keith.walker.arm added a comment.

Updated PhiHasDebugValue() to avoid scanning the whole instructions stream by using a new function llvm::FindAllocaDbgValues().     This new function is similar to the exiting function llvm::FindAllocaDbgDeclare() but has the additional complication that the result of the find can find multiple entries when applied to a phi node.

Updated test to capture matching names.

I decided to leave the function llvm::ConvertDebugDeclareToDebugValue() always returning true so that it has a similar form to the preceding 2 functions which do the same thing.


https://reviews.llvm.org/D23715

Files:
  include/llvm/Transforms/Utils/Local.h
  lib/Transforms/Utils/Local.cpp
  lib/Transforms/Utils/PromoteMemoryToRegister.cpp
  test/Transforms/Util/mem2reg-dbg.ll

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