https://bugs.llvm.org/show_bug.cgi?id=36074
Bug ID: 36074
Summary: undefined behavior in SelectionDAGAddressAnalysis.cpp
Product: new-bugs
Version: trunk
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: yannlaiglecha...@gmail.com
CC: llvm-bugs@lists.llvm.org
Created attachment 19738
--> https://bugs.llvm.org/attachment.cgi?id=19738&action=edit
reduced code
With the attached reduced file:
> llc -O1 SelectionDAG_UB.ll
[...]lib/CodeGen/SelectionDAG/SelectionDAGAddressAnalysis.cpp:23:22:
runtime error: signed integer overflow: 7124803381091165632 -
-7949118599238474896 cannot be represented in type 'long long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior
[...]lib/CodeGen/SelectionDAG/SelectionDAGAddressAnalysis.cpp:23:22 in
Stack dump:
0. Program arguments: llc -O1 SelectionDAG_UB.ll
1. Running pass 'Function Pass Manager' on module 'SelectionDAG_UB.ll'.
2. Running pass 'X86 DAG->DAG Instruction Selection' on function '@Test'
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