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Author SHA1 Message Date
Peixin-Qiao 1d4238be52 [flang] Support GNU extensions IARGC and GETARG in runtime 
The GNU extension intrinsic IARGC is equivalent to
COMMAND_ARGUMENT_COUNT, and the GETARG is similar to
GET_COMMAND_ARGUMENT, but with less arguments. Reuse the runtime of
COMMAND_ARGUMENT_COUNT and GET_COMMAND_ARGUMENT for IARGC and GETARG.

Reviewed By: klausler

Differential Revision: https://reviews.llvm.org/D133558
 2022-10-11 10:29:23 +08:00
Peter Klausler 627a8ac790 [flang] Add CALL FLUSH(n) legacy extension 
Prior to the introduction of the FLUSH statement in Fortran 2003,
implementations provided a FLUSH subroutine.

We can't yet put Fortran code into the runtime, so this subroutine
is in C++ with a Fortran-mangled entry point name.

Differential Revision: https://reviews.llvm.org/D115289
 2021-12-08 08:56:54 -08:00