[llvm-bugs] [Bug 47517] SelectionDAG.cpp:900: bool llvm::SelectionDAG::RemoveNodeFromCSEMaps(llvm::SDNode *): Assertion `N->getOpcode() != ISD::DELETED_NODE && "DELETED_NODE in CSEMap!"' failed. with llc -O1
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Oct 1 23:26:50 PDT 2020
https://bugs.llvm.org/show_bug.cgi?id=47517
Mikael Holmén <mikael.holmen at ericsson.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|FIXED |---
Status|RESOLVED |REOPENED
--- Comment #12 from Mikael Holmén <mikael.holmen at ericsson.com> ---
Hi!
Unfortunately we found a new problem related to this in our downstream testing.
Reproduce with:
llc -O1 -o - bbi-47958_ppc.ll -mtriple=powerpc-unknown-linux-gnu
Result:
llc: ../lib/CodeGen/SelectionDAG/SelectionDAG.cpp:900: bool
llvm::SelectionDAG::RemoveNodeFromCSEMaps(llvm::SDNode *): Assertion
`N->getOpcode() != ISD::DELETED_NODE && "DELETED_NODE in CSEMap!"' failed.
This starts happening wiith the fix https://reviews.llvm.org/D87698 submitted
as a2fb5446be.
If I revert a2fb5446be this crash goes away.
I haven't tried this out on 11.x, only on trunk.
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