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llvm-project/flang/test/Driver/driver-version.f90

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[flang][driver] Add the new flang compiler and frontend drivers Summary: This is the first patch implementing the new Flang driver as outlined in [1], [2] & [3]. It creates Flang driver (`flang-new`) and Flang frontend driver (`flang-new -fc1`). These will be renamed as `flang` and `flang -fc1` once the current Flang throwaway driver, `flang`, can be replaced with `flang-new`. Currently only 2 options are supported: `-help` and `--version`. `flang-new` is implemented in terms of libclangDriver, defaulting the driver mode to `FlangMode` (added to libclangDriver in [4]). This ensures that the driver runs in Flang mode regardless of the name of the binary inferred from argv[0]. The design of the new Flang compiler and frontend drivers is inspired by it counterparts in Clang [3]. Currently, the new Flang compiler and frontend drivers re-use Clang libraries: clangBasic, clangDriver and clangFrontend. To identify Flang options, this patch adds FlangOption/FC1Option enums. Driver::printHelp is updated so that `flang-new` prints only Flang options. The new Flang driver is disabled by default. To enable it, set `-DBUILD_FLANG_NEW_DRIVER=ON` when configuring CMake and add clang to `LLVM_ENABLE_PROJECTS` (e.g. -DLLVM_ENABLE_PROJECTS=“clang;flang;mlir”). [1] “RFC: new Flang driver - next steps” http://lists.llvm.org/pipermail/flang-dev/2020-July/000470.html [2] “RFC: Adding a fortran mode to the clang driver for flang” http://lists.llvm.org/pipermail/cfe-dev/2019-June/062669.html [3] “RFC: refactoring libclangDriver/libclangFrontend to share with Flang” http://lists.llvm.org/pipermail/cfe-dev/2020-July/066393.html [4] https://reviews.llvm.org/rG6bf55804924d5a1d902925ad080b1a2b57c5c75c co-authored-by: Andrzej Warzynski <andrzej.warzynski@arm.com> Reviewed By: richard.barton.arm, sameeranjoshi Differential Revision: https://reviews.llvm.org/D86089
2020-09-11 17:17:31 +08:00
! RUN: %flang-new --version 2>&1 | FileCheck %s
! RUN: not %flang-new --versions 2>&1 | FileCheck %s --check-prefix=ERROR
! REQUIRES: new-flang-driver
[flang][driver] Merge test/Driver and test/Flang-Driver directories Until now we've been maintaining 2 test directories for Flang's drivers: * test/Driver for `f18` (the current driver) * test/Flang-Driver for `flang-new` (the new driver) As we have started sharing tests between the drivers, this separation is no longer required. This patch merges the two test directories. As suggested in the review, moving forward we'll avoid having tests specifically for the old driver. A few notable changes: * Driver/version-test.f90 and Driver/no-files.f90 are deleted. The versions for the new driver are more robust, but tricky to share. * Driver/write-module.f90 is deleted in favour of Flang-Driver/write-module.f90 (see https://reviews.llvm.org/D97197 for more context) Differential Revision: https://reviews.llvm.org/D98257
2021-03-09 21:57:43 +08:00
! CHECK: flang-new version
! CHECK-NEXT: Target:
! CHECK-NEXT: Thread model:
! CHECK-NEXT: InstalledDir:
[flang][driver] Add the new flang compiler and frontend drivers Summary: This is the first patch implementing the new Flang driver as outlined in [1], [2] & [3]. It creates Flang driver (`flang-new`) and Flang frontend driver (`flang-new -fc1`). These will be renamed as `flang` and `flang -fc1` once the current Flang throwaway driver, `flang`, can be replaced with `flang-new`. Currently only 2 options are supported: `-help` and `--version`. `flang-new` is implemented in terms of libclangDriver, defaulting the driver mode to `FlangMode` (added to libclangDriver in [4]). This ensures that the driver runs in Flang mode regardless of the name of the binary inferred from argv[0]. The design of the new Flang compiler and frontend drivers is inspired by it counterparts in Clang [3]. Currently, the new Flang compiler and frontend drivers re-use Clang libraries: clangBasic, clangDriver and clangFrontend. To identify Flang options, this patch adds FlangOption/FC1Option enums. Driver::printHelp is updated so that `flang-new` prints only Flang options. The new Flang driver is disabled by default. To enable it, set `-DBUILD_FLANG_NEW_DRIVER=ON` when configuring CMake and add clang to `LLVM_ENABLE_PROJECTS` (e.g. -DLLVM_ENABLE_PROJECTS=“clang;flang;mlir”). [1] “RFC: new Flang driver - next steps” http://lists.llvm.org/pipermail/flang-dev/2020-July/000470.html [2] “RFC: Adding a fortran mode to the clang driver for flang” http://lists.llvm.org/pipermail/cfe-dev/2019-June/062669.html [3] “RFC: refactoring libclangDriver/libclangFrontend to share with Flang” http://lists.llvm.org/pipermail/cfe-dev/2020-July/066393.html [4] https://reviews.llvm.org/rG6bf55804924d5a1d902925ad080b1a2b57c5c75c co-authored-by: Andrzej Warzynski <andrzej.warzynski@arm.com> Reviewed By: richard.barton.arm, sameeranjoshi Differential Revision: https://reviews.llvm.org/D86089
2020-09-11 17:17:31 +08:00
[flang] Introduce DiagnosticConsumer classes in libflangFrontend Currently Flang uses TextDiagnostic, TextDiagnosticPrinter & TestDiagnosticBuffer classes from Clang (more specifically, from libclangFrontend). This patch introduces simplified equivalents of these classes in Flang (i.e. it removes the dependency on libclangFrontend). Flang only needs these diagnostics classes for the compiler driver diagnostics. This is unlike in Clang in which similar diagnostic classes are used for e.g. Lexing/Parsing/Sema diagnostics. For this reason, the implementations introduced here are relatively basic. We can extend them in the future if this is required. This patch also enhances how the diagnostics are printed. In particular, this is the diagnostic that you'd get _before_ the changes introduced here (no text formatting): ``` $ bin/flang-new error: no input files ``` This is the diagnostic that you get _after_ the changes introduced here (in terminals that support it, the text is formatted - bold + red): ``` $ bin/flang-new flang-new: error: no input files ``` Tests are updated accordingly and options related to enabling/disabling color diagnostics are flagged as supported by Flang. Reviewed By: sameeranjoshi, CarolineConcatto Differential Revision: https://reviews.llvm.org/D87774
2020-10-06 00:42:00 +08:00
! ERROR: flang-new: error: unsupported option '--versions'; did you mean '--version'?