[clang] [CIR] Use SymbolTableCollection in LoweringPrepare's getCalledFunction (PR #195919)

[Henrich Lauko via cfe-commits]

xlauko wrote:

Cannot we just use `mlir::SymbolTAbleAnalysis` attached to top-level module op, and pick symboltablecallection from it? one does not need to polute API with passing tables everywhere I guess, and hopefully we can reuse analysis accross passes not to compute SymbolTAble for each pass again?

https://github.com/llvm/llvm-project/pull/195919