Both the syntax and relative order of the LLVM `nocapture` parameter
attribute changed upstream in 29441e4f5fa5f5c7709f7cf180815ba97f611297.
To reduce conflicts with rebranch, adjust FileCheck patterns to expect
both syntaxes and orders anywhere the presence of the attribute is not
critical to the test. These changes are temporary and will be cleaned
up once rebranch is merged into main.
Thanks to exclusivity checking, inout arguments can be marked noalias.
In the fullness of time, this should be applied in general.
As an incremental step towards marking all such arguments noalias, start
by marking inout arguments of pointer type noalias. Take this
conservative step rather than always applying the attribute to ward
against issues with LLVM's alias analysis.
rdar://76540030
