[llvm-bugs] [Bug 32814] New: Missed optimization: (int)x + 1 == (int)y - 1

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=32814

            Bug ID: 32814
           Summary: Missed optimization: (int)x + 1 == (int)y - 1
           Product: libraries
           Version: trunk
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: tilkax at gmail.com
                CC: llvm-bugs at lists.llvm.org

int(x) + 1 == int(y) - 1

is not being optimized to

int(x) + 2 == int(y)

Proof: http://rise4fun.com/Alive/vaC

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