Craig Topper a5f511668f [X86] Don't use NOPL when the assembler is passed an empty CPU string. Update tests to force a CPU with NOPL
Empty string should be equivalent to "generic" which doesn't allow NOPL. Force tests to use specificy 'pentiumpro' to guarantee NOPL.

Fixes PR35686

llvm-svn: 321026
2017-12-18 21:37:27 +00:00
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