[llvm-bugs] [Bug 33431] New: Non-linear runtime on deeply nested loops for SCEV

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33431

            Bug ID: 33431
           Summary: Non-linear runtime on deeply nested loops for SCEV
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: joerg at NetBSD.org
                CC: llvm-bugs at lists.llvm.org

Created attachment 18625
  --> https://bugs.llvm.org/attachment.cgi?id=18625&action=edit
Test case

Try to build attached test case with -O2. It is somewhat simplified from the
original code, but shows the same issue.

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