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Author SHA1 Message Date
Michael Kruse 3b0a9934fa Add CHECK line to test case. NFC. 
Check not only that the compiler is not crashing, but also whether the
probablematic part (The sequence of instructions simplified to '4') is reflected
in the output.

Thanks to Tobias for the hint.

llvm-svn: 275189
 2016-07-12 16:37:50 +00:00
Michael Kruse e448364320 [SCEVAffinator] Fix assertion checking for constant divisor. 
An assertion in visitSDivInstruction() checked whether the divisor is constant
by checking whether the argument is a ConstantInt. However, SCEVValidator allows
the divisor to be simplified to a constant by ScalarEvolution.

We synchronize the implementation of SCEVValidator and SCEVAffinator to both
accept simplified SCEV expressions.

llvm-svn: 275174
 2016-07-12 15:08:47 +00:00