[llvm-bugs] [Bug 33901] New: Study impact of SCEV thresholds on compilation time and performance

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33901

            Bug ID: 33901
           Summary: Study impact of SCEV thresholds on compilation time
                    and performance
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: max.kazantsev at azul.com
                CC: llvm-bugs at lists.llvm.org

Currently, some thresholds set in SCEV (such as depth limits and AddRec max
size limit) are chosen arbitrarily. We should investigate the impact of these
thresholds on performance and compilation time of some set of real-life
workloads and adjust them into some reasonable values that can be justified.

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