Andrzej Warzynski 69c3309d45 [flang][driver] Add support for `-emit-mlir` ... This patch adds support for generating MLIR files in Flang's frontend driver (i.e. `flang-new -fc1`). `-emit-fir` is added as an alias for `-emit-mlir`. We may want to decide to split the two in the future. A new parent class for code-gen frontend actions is introduced: `CodeGenAction`. We will be using this class to encapsulate logic shared between all code-generation actions, but not required otherwise. For now, it will: * run prescanning, parsing and semantic checks, * lower the input to MLIR. `EmitObjAction` is updated to inherit from this class. This means that the behaviour of `flang-new -fc1 -emit-obj` is also updated (previously, it would just exit immediately). This change required `flang/test/Driver/syntax-only.f90` to be updated. For `-emit-fir`, a specialisation of `CodeGenAction` is introduced: `EmitMLIRAction`. The key logic for this class is implemented in `EmitMLIRAction::ExecuteAction`. Differential Revision: https://reviews.llvm.org/D118985		2022-02-09 08:35:48 +00:00
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CMakeLists.txt	[flang][driver] Add support for `-emit-mlir`	2022-02-09 08:35:48 +00:00
ExecuteCompilerInvocation.cpp	[flang][driver] Add support for `-emit-mlir`	2022-02-09 08:35:48 +00:00