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X86ISelLowering has support to treat: (icmp ne (and (xor %flags, -1), (shl 1, flag)), 0) as if it were actually: (icmp eq (and %flags, (shl 1, flag)), 0) However, r179386 has code at the InstCombine level to handle this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181145 91177308-0d34-0410-b5e6-96231b3b80d8 |
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