Hi Shao,
Perhaps not in the Cmm output generated for your programs, but it's definitely
used in the code generator. See e.g. `lowerSafeForeignCall` and `blockCode`
which set the field with `Just`. The former seems to be related with foreign
calls so perhaps try compiling a FFI package. `CmmLayoutStack` uses that field
for code generation (I don't understand the details yet).
Ömer
2018-03-18 8:38 GMT+03:00 Shao, Cheng
Hi all,
Is the "cml_cont" field of the CmmCall variant is really used in practice? I traversed the output of raw Cmm produced by ghc compiling the whole base package, but the value of cml_cont is always Nothing.
Regards, Shao Cheng
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