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llvm-project/flang/test/Driver/help-f18.f90

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[flang] Remove `%f18` from LIT configuration files `%f18` was originally introduced to represent the old Flang driver, `f18`. With the introduction of the new driver, `flang-new`, we have been switching to `%flang` (compiler driver) and `%flang_fc1` (frontend driver) as more generic alternatives. As most tests have been portend to use the new LIT variables instead of `%f18`, this is good time to remove it from lit.cfg.py. There's only one test left that requires the old driver to run. It's updated with: ``` ! REQUIRES: old-flang-driver ``` This way we preserve its semantics while reducing the number of variables in LIT configuration. Differential Revision: https://reviews.llvm.org/D101281
2021-04-23 22:46:35 +08:00
! REQUIRES: old-flang-driver
! RUN: %flang -h 2>&1 | FileCheck %s
! RUN: %flang -help 2>&1 | FileCheck %s
! RUN: %flang --help 2>&1 | FileCheck %s
! RUN: %flang -? 2>&1 | FileCheck %s
[flang] Add details to --help screen on default behaviour Add a usage string and a defaults section that clarifies: * If no input files are given, f18 reads from stdin * If no input files are given, f18 dumps the parse tree. * The default behaviour is to exec F18_FC. * The fefault F18_FC setting is 'gfortran' Adds a simple regression test which tests the top and tail of the help screen and the exit status. Depends on D84855 Differential Revision: https://reviews.llvm.org/D84856
2020-06-25 23:01:56 +08:00
! CHECK: f18: LLVM Fortran compiler
! CHECK: -help print this again
! CHECK: Unrecognised options are passed through to the external compiler
! CHECK: set by F18_FC (see defaults).