[llvm-bugs] [Bug 50444] New: NewGVN asserts with "Seem to have processed the same Value a lot"

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=50444

            Bug ID: 50444
           Summary: NewGVN asserts with "Seem to have processed the same
                    Value a lot"
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: Matthew.Arsenault at amd.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 24884
  --> https://bugs.llvm.org/attachment.cgi?id=24884&action=edit
Reduced testcase

For the reduced testcase, increasing the threshold by only one avoids the
assert. If I remove the assert or raise the limit, nothing bad seems to happen.

Interestingly the original testcase takes an absurd amount of time in old GVN.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20210522/42b615a1/attachment.html>