Merging r196735:

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r196735 | venkatra | 2013-12-08 14:06:07 -0800 (Sun, 08 Dec 2013) | 3 lines

[SparcV9]: Expand MULHU/MULHS:i64 and UMUL_LOHI/SMUL_LOHI:i64 on sparcv9.
  This fixes PR18150.

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llvm-svn: 196744