[PATCH] Remap arguments and non-alloca values used by outlined C++ exception handlers.

[Andy Kaylor]

Hi rnk, majnemer, ABataev,

This patch updates the native Windows exception handler prepare pass to outline arguments and non-alloca values that are referenced in outlined handler functions, assigning a slot in the frame allocation block for the referenced values and spilling them to that location.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D7844

Files:
  lib/CodeGen/WinEHPrepare.cpp
  test/CodeGen/X86/cppeh-inalloca.ll
  test/CodeGen/X86/cppeh-nonalloca-frame-values.ll

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