https://bugs.llvm.org/show_bug.cgi?id=37808
Bug ID: 37808
Summary: llvm/lib/Analysis/MemorySSAUpdater.cpp:366: void
llvm::MemorySSAUpdater::fixupDefs(const
llvm::SmallVectorImpl<llvm::MemoryAccess*>&):
Assertion `MSSA->dominates(NewDef, FirstDef) &&
"Should have dominated the new access"' failed.
Product: tools
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: opt
Assignee: unassignedb...@nondot.org
Reporter: balarishi.bhog...@amd.com
CC: llvm-bugs@lists.llvm.org
Created attachment 20430
--> https://bugs.llvm.org/attachment.cgi?id=20430&action=edit
Error message
Bug Description:
Facing the below assertion failure with the latest version:
--
opt:
/home/amd/JENKINS/workspace/CPUPC_Mirror_Branch/llvm/lib/Analysis/MemorySSAUpdater.cpp:366:
void llvm::MemorySSAUpdater::fixupDefs(const
llvm::SmallVectorImpl<llvm::MemoryAccess*>&): Assertion
`MSSA->dominates(NewDef, FirstDef) && "Should have dominated the new access"'
failed.
Stack dump:
--
This issue is faced with the fix given for Bug 36484.
Attached: input IR file and error message file
=========
Steps to reproduce:
- Download the attached file
- Extract the file using command "tar -xvf gvnhoist_issue_input.o.tar.xz"
- Execute the below with the recent version of llvm: opt -S -gvn-hoist -o
gvnhoist_issue_output.o gvnhoist_issue_input.o
=========
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