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Commit ea927bae authored by Craig Topper's avatar Craig Topper
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[InstCombine] Teach foldICmpUsingKnownBits to simplify SLE/SGE/ULE/UGE to... 

[InstCombine] Teach foldICmpUsingKnownBits to simplify SLE/SGE/ULE/UGE to equality comparisons when the min/max ranges intersect in a single value.

This is the inverse of what we do for SGT/SLT/UGT/ULT.

llvm-svn: 314032
parent 73a99890
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