e5cdb6c56e
This patch adds a frontend action for emitting object files. While Flang does not support code-generation, this action remains a placeholder. This patch simply provides glue-code to connect the compiler driver with the appropriate frontend action. The new action is triggered with the `-c` compiler driver flag, i.e. `flang-new -c`. This is then translated to `flang-new -fc1 -emit-obj`, so `-emit-obj` has to be marked as supported as well. As code-generation is not available yet, `flang-new -c` results in a driver error: ``` error: code-generation is not available yet ``` Hopefully this will help communicating the level of available functionality within Flang. The definition of `emit-obj` is updated so that it can be shared between Clang and Flang. As the original definition was enclosed within a Clang-specific TableGen `let` statement, it is extracted into a new `let` statement. That felt like the cleanest option. I also commented out `-triple` in Flang::ConstructJob and updated some comments there. This is similar to https://reviews.llvm.org/D93027. I wanted to make sure that it's clear that we can't support `-triple` until we have code-generation. However, once code-generation is available we _will need_ `-triple`. As this patch adds `-emit-obj`, the emit-obj.f90 becomes irrelevant and is deleted. Instead, phases.f90 is added to demonstrate that users can control compilation phases (indeed, `-c` is a phase control flag). Reviewed By: SouraVX, clementval Differential Revision: https://reviews.llvm.org/D93301
16 lines
776 B
Fortran
16 lines
776 B
Fortran
! RUN: not %flang-new %s 2>&1 | FileCheck %s --check-prefix=ERROR
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! RUN: not %flang-new -c %s 2>&1 | FileCheck %s --check-prefix=ERROR
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! RUN: not %flang-new -emit-obj %s 2>&1 | FileCheck %s --check-prefix=ERROR
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! RUN: not %flang-new -fc1 -emit-obj %s 2>&1 | FileCheck %s --check-prefix=ERROR
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! REQUIRES: new-flang-driver
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! Although code-generation is not yet available, we do have frontend actions
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! that correspond to `-c` and `-emit-obj`. For now these actions are just a
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! placeholder and running them leads to a driver error. This test makes sure
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! that these actions are indeed run (rather than `-c` or `-emit-obj` being
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! rejected earlier).
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! TODO: Replace this file with a proper test once code-generation is available.
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! ERROR: code-generation is not available yet
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