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Jonathan Brouwer
2f1603077b
debuginfo: emit DW_TAG_call_site entries Set `FlagAllCallsDescribed` on function definition DIEs so LLVM emits DW_TAG_call_site entries, letting debuggers and analysis tools track tail calls.
The codegen crate contains the code to convert from MIR into LLVM IR,
and then from LLVM IR into machine code. In general it contains code
that runs towards the end of the compilation process.
For more information about how codegen works, see the rustc dev guide.