[PATCH] D18990: [InstCombine] Remove trivially empty va_start/va_end and va_copy/va_end ranges.

[Arnaud A. de Grandmaison via llvm-commits]

aadg updated this revision to Diff 53631.
aadg added a comment.

[InstCombine] Remove trivially empty va_start/va_end and va_copy/va_end ranges.

Following the review, rework the helper functions to simplify the patch further.


http://reviews.llvm.org/D18990

Files:
  lib/Transforms/InstCombine/InstCombineCalls.cpp
  lib/Transforms/InstCombine/InstCombineInternal.h
  test/Transforms/InstCombine/vararg.ll

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