[llvm-bugs] [Bug 28432] New: load-store ordering for top-down list latency scheduler mis-schedules store for x86_64

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28432

            Bug ID: 28432
           Summary: load-store ordering for top-down list latency
                    scheduler mis-schedules store for x86_64
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: compnerd at compnerd.org
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 16695
  --> https://llvm.org/bugs/attachment.cgi?id=16695&action=edit
reduced.ll

The top-down list latency scheduler re-orders the store after the load,
resulting in the wrong value being passed along to the callee.

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