Abid Qadeer cd12ffb622 [mlir][debug] Allow multiple DIGlobalVariableExpression on globals. (#111981) ...

Currently, we allow only one DIGlobalVariableExpressionAttr per global.
It is especially evident in import where we pick the first from the list
and ignore the rest. In contrast, LLVM allows multiple
DIGlobalVariableExpression to be attached to the global. They are needed
for correct working of things like DICommonBlock. This PR removes this
restriction in mlir. Changes are mostly mechanical. One thing on which I
went a bit back and forth was the representation inside GlobalOp. I
would be happy to change if there are better ways to do this.

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Co-authored-by: Tobias Gysi <tobias.gysi@nextsilicon.com>

2024-10-13 23:36:00 +01:00

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