[flang-dev] F18-LLVM: Unanswered but important points

[Rajesh K Singh via flang-dev]

Hello,



This is regarding recent/ongoing discussions about F18 being merged in LLVM.

I was going through these threads, and I found few important points which
were possibly left unanswered (or I might have missed few threads).



URL: http://lists.llvm.org/pipermail/flang-dev/2019-December/000120.html

Point: Is (3) AST -> FIR -> MLIR LLVM-IR -> LLVM-IR) in a shape where we
can generate LLVM IR now? [*1]



F18 generates parser tree after successful completion of parsing/semantics
phase.

In the above point ([*1]) AST is mentioned. Do we mean that AST and parse
tree as same, as F18 does not generate anything known as AST.

If not, are we planning to implement AST generation in F18?



URL: http://lists.llvm.org/pipermail/llvm-dev/2019-December/137677.html

Point: IR generation still appears to be text string based?

F18 does not generate IR/FIR so far.



Please enlighten on above points.

Thanks in anticipation.



Regards,

Rajesh
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