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When the least bit of C is greater than V, (x&C) must be greater than V if it is not zero, so the comparison can be simplified. Although this was suggested in Target/X86/README.txt, it benefits any architecture with a directly testable form of AND. Patch by Kevin Schoedel git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170576 91177308-0d34-0410-b5e6-96231b3b80d8
This directory contains test cases for the instcombine transformation. The dated tests are actual bug tests, whereas the named tests are used to test for features that the this pass should be capable of performing.