[PATCH] D14972: [safestack] Protect byval function arguments.

[Evgeniy Stepanov via llvm-commits]

eugenis created this revision.
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Herald added a subscriber: sanjoy.

Detect unsafe byval function arguments and move them to the unsafe
stack.
    
A simple SDAG change required to handle the case of dbg.declare for
a function parameter pointing to neither a function argument nor an
AllocaInst.


Repository:
  rL LLVM

http://reviews.llvm.org/D14972

Files:
  include/llvm/Transforms/Utils/Local.h
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  lib/Transforms/Instrumentation/SafeStack.cpp
  lib/Transforms/Utils/Local.cpp
  test/Transforms/SafeStack/byval.ll
  test/Transforms/SafeStack/debug-loc.ll

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