[ASan] Make sure none of the __asan_gen_ global strings end up in the symbol table, add a test.

This should fix http://llvm.org/bugs/show_bug.cgi?id=17976
Another test checking for the global variables' locations and prefixes on Darwin will be committed separately.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198017 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan] Fix the test for __asan_gen_ globals and actually fix http://llvm.org/bugs/show_bug.cgi?id=17976
by setting the correct linkage (as stated in the bug).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198018 91177308-0d34-0410-b5e6-96231b3b80d8
[Mips] Does not take in account 'use-soft-float' attribute's value when
consider to generate stubs for mips16 hard-float mode.

The patch reviewed by Reed Kotler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198019 91177308-0d34-0410-b5e6-96231b3b80d8
[ASan] Fix the tests broken by r198018 to check for private linkage of ASan-generated globals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198020 91177308-0d34-0410-b5e6-96231b3b80d8
[Sparc] Add MCInstPrinter implementation for SPARC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198028 91177308-0d34-0410-b5e6-96231b3b80d8
[Sparc] Add target specific MCExpr class to handle sparc specific modifiers like %hi, %lo, etc.,  


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198029 91177308-0d34-0410-b5e6-96231b3b80d8