[AIX] Implement the ifunc attribute.#153049

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w2yehia wants to merge 20 commits intollvm:mainfrom

Commits on Sep 21, 2025

accept ifunc attribute on AIX
Wael Yehia
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enable tests
Wael Yehia
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Add ppc/init_ifuncs.c to the builtins library and pass the linker option -bdbg:namedsects:ss by default on AIX
Wael Yehia
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create a zero-length entry in the ifunc_sec section to satisfy the start/stop symbol references when user code does not use ifuncs
Wael Yehia
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use -bdbg:namedsects:ss on AIX 7.2 and above
Wael Yehia
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Address code review comments
Wael Yehia
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Commits on Sep 22, 2025

comment changes and logic updates in TOCRestoreNeededForCallToImplementation
Wael Yehia
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refactor TOCRestoreNeeded
Wael Yehia
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Commits on Sep 23, 2025

simplify IsLocalFunc by using isStrongDefinitionForLinker() && isDSOLocal()
Wael Yehia
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improve switch table detection
Wael Yehia
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remove assert in transformCallee()
Wael Yehia
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Commits on Sep 30, 2025

init_ifuncs.c: copy entire descriptor
Wael Yehia
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Commits on Oct 1, 2025

code review
Wael Yehia
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refactor TOCRestoreNeededForCallToImplementation based on code review
Wael Yehia
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Commits on Oct 7, 2025

Sean's second code review
Wael Yehia
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ifunc test 1
Wael Yehia
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Commits on Oct 21, 2025

more ifunc tests
Wael Yehia
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update section name and refactor init_ifuncs.c
Wael Yehia
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improve error message
Wael Yehia
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Commits on Dec 2, 2025

support large code model
Wael Yehia
committed