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Author SHA1 Message Date
Craig Topper a2c9694bc8 [X86] Mark the ADCX and ADOX instruction as commutable. 
llvm-svn: 341752
 2018-09-08 18:47:56 +00:00
Craig Topper 4677110348 [X86] Add test cases for commuting ADCX/ADOX instruction to avoid copies. 
This is a MIR test so we can test ADOX which we have no isel patterns for. I also plan to remove ADCX isel patterns in the near future so this will help maintain coverage.

llvm-svn: 341751
 2018-09-08 18:47:54 +00:00