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Revision tags: llvmorg-21-init, llvmorg-19.1.7, llvmorg-19.1.6, llvmorg-19.1.5, llvmorg-19.1.4, llvmorg-19.1.3, llvmorg-19.1.2, llvmorg-19.1.1, llvmorg-19.1.0, llvmorg-19.1.0-rc4, llvmorg-19.1.0-rc3
# 46bf5d54 08-Aug-2024 ykhatav <yashasvi.khatavkar@intel.com>

Globalopt pass produces invalid debug info (#100654)

This patch fixes an issue in the GlobalOpt pass where deleting a global
variable fails to update the corresponding dbg.value and it references

Globalopt pass produces invalid debug info (#100654)

This patch fixes an issue in the GlobalOpt pass where deleting a global
variable fails to update the corresponding dbg.value and it references
an empty metadata entry. The SalvageDebugInfo() function has been
updated to handle dbg.value intrinsic when globals are deleted.

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