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2 Commits

Author SHA1 Message Date
Sanjay Patel f3ae9cc33e [InstSimplify] use isKnownNeverNaN to fold more fcmp ord/uno 
Remove duplicate tests from InstCombine that were added with
D50582. I left negative tests there to verify that nothing
in InstCombine tries to go overboard. If isKnownNeverNaN is
improved to handle the FP binops or other cases, we should
have coverage under InstSimplify, so we could remove more
duplicate tests from InstCombine at that time.

llvm-svn: 340279
 2018-08-21 14:45:13 +00:00
Sanjay Patel 6bb09a4291 [InstSimplify] add tests for FP uno/ord with nnan; NFC 
This is a slight modification of the tests from D50582;
change half of the predicates to 'uno' so we have coverage
for that side too. All of the positive tests can fold to a
constant (true/false), so that should happen in instsimplify.

llvm-svn: 340276
 2018-08-21 13:33:13 +00:00