[PATCH] Allow memory intrinsics to be tail calls

Mon Apr 13 13:09:17 PDT 2015

This is causing test failures for me, because it's jumping to `_memset` rather than `memset` (host platform is OS X). Probably needs an appropriate triple set.

  /Users/kfischer/Projects/llvm2/test/CodeGen/X86/tailcall-mem-intrinsics.ll:20:10: error: expected string not found in input
  ; CHECK: jmp memset
           ^
  <stdin>:17:13: note: scanning from here
  _tail_memset: ## @tail_memset
              ^
  <stdin>:19:2: note: possible intended match here
   jmp _memset ## TAILCALL

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http://reviews.llvm.org/D8808

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