[llvm-bugs] [Bug 37445] New: [GVNHoist] Assertion `dominates(MP, U) && "Memory PHI does not dominate it's uses"' failed.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=37445

            Bug ID: 37445
           Summary: [GVNHoist] Assertion `dominates(MP, U) && "Memory PHI
                    does not dominate it's uses"' failed.
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Global Analyses
          Assignee: unassignedbugs at nondot.org
          Reporter: paulsson at linux.vnet.ibm.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 20300
  --> https://bugs.llvm.org/attachment.cgi?id=20300&action=edit
reduced testcase

opt -S -O3 -mcpu=z13 ./tc_memphi_gvnhoist.ll -enable-gvn-hoist

opt: llvm/lib/Analysis/MemorySSA.cpp:1719: void
llvm::MemorySSA::verifyDomination(llvm::Function&) const: Assertion
`dominates(MP, U) && "Memory PHI does not dominate it's uses"' failed.

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