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* [flang] [mlir rebase] Add MLIR config and react to MLIR name changes ↵Steve Scalpone2020-03-271-2/+2
| | | | | | | | | | | | | | | | | | | | (flang-compiler/f18#1090) [mlir rebase] Add MLIR config and react to MLIR name changes Similar to flang-compiler/f18#1085. Now use the MLIR package to set up paths for include files and libraries. Three MLIR names changed: * VectorOpsDialect to VectorDialect * AffineOpsDialect to AffineDialect * createVectorizePass to createSuperVectorizePass Update README.md to explain how to link with MLIR. Update the example gcc to version 8.3. Update drone.io config to define -DMLIR_DIR Co-authored-by: Jean Perier <jperier@nvidia.com> Original-commit: flang-compiler/f18@116f64315f6218a7f74a8ccdc25f94d322ac6344 Reviewed-on: https://github.com/flang-compiler/f18/pull/1090
* [flang] Add Fortran IR (FIR) MLIR dialect implementation ↵jeanPerier2020-03-111-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (flang-compiler/f18#1035) Adds FIR library that implements an MLIR dialect to which Fortran parse-tree will be lowered to. FIR is defined and documented inside FIROps.td added in this commit. It is possible to generate a more readable description FIRLangRef.md from FIROps.td following the related instructions added to the README.md by this commit. This patch adds FIR definition and implementation that allow parsing, printing, and verifying FIR. FIR transformations and lowering to Standard and LLVM dialects are not part of this patch. The FIR verifiers are verifying the basic properties of FIR operations in order to provide a sufficient frame for lowering. Verifiers for more advanced FIR properties can be added as needed. Coarrays are not covered by FIR defined in this patch. This patch also adds tco tool that is meant to process FIR input files and drives transformations on it. The tco tool is used for testing. In this patch, it is only used to demonstrate parsing/verifying/ and dumping FIR with round-trip tests. Note: This commit does not reflect an actual work log, it is a feature-based split of the changes done in the FIR experimental branch. The related work log can be found in the commits between: https://github.com/schweitzpgi/f18/commit/742edde572bd74d77cf7d447132ccf0949187fce and https://github.com/schweitzpgi/f18/commit/2ff55242126d86061f4fed9ef7b59d3636b5fd0b Changes on top of these original commits were made during this patch review. Original-commit: flang-compiler/f18@30b428a51e140e5fb12bd53a0619f10ff510f408 Reviewed-on: https://github.com/flang-compiler/f18/pull/1035
* [flang] Remove clang from LLVM drone builds until needed to fasten buildsJean Perier2020-02-261-2/+2
| | | | | Original-commit: flang-compiler/f18@5eaebc800caa90b592c5ba8cf1fd6fd3987b3636 Reviewed-on: https://github.com/flang-compiler/f18/pull/1026
* [flang] Fix drone CI build failure due to lack of FileCheckJean Perier2020-02-261-4/+4
| | | | | | | | Simply use the llvm build directory and save installing LLVM on the way. Original-commit: flang-compiler/f18@7848ab146ad32062daba9f07b032655568381a1b Reviewed-on: https://github.com/flang-compiler/f18/pull/1026 Tree-same-pre-rewrite: false
* [flang] Replace module writer posix file handling with llvm file handling. ↵David Truby2020-02-251-4/+16
| | | | | | | | | (flang-compiler/f18#993) NOTE: This commit introduces a dependency on LLVM HEAD Original-commit: flang-compiler/f18@97efc0194d411a17ec47edf5e27157d1a1afa3bc Reviewed-on: https://github.com/flang-compiler/f18/pull/993
* [flang] Add Pre-FIR Tree structure to help lowering the parse-treeJean Perier2020-02-171-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Pre-FIR Tree structure is a transient data structure that is meant to be built from the parse tree just before lowering to FIR and that will be deleted just afterwards. It is not meant to perfrom optimization analysis and transformations. It only provides temporary information, such as label target information or parse tree parent nodes, that is meant to be used to lower the parse tree structure into FIR operations. A PFTBuilder class builds the Pre-Fir Tree from the parse-tree. A pretty printer is available to visualize this data structure. - Lit tests are added to: 1. that the PFT tree structure is as expected 2. that the PFT captures all intented nodes - Cmake changes: Prevent warnings inisde LLVM headers when compiling flang The issue is that some LLVM headers define functions where the usage of the parameters depend on environment ifdef. See for instance Size in: https://github.com/llvm/llvm-project/blob/5f940220bf9438e95ffa4a627ac1591be1e1ba6e/llvm/include/llvm/Support/Compiler.h#L574 Because flang is build with -Werror and -Wunused-parameter is default in clang, this may breaks build in some environments (like with clang9 on macos). A solution would be to add -Wno-unused-parameter to flang CmakLists.txt, but it is wished to keep this warning on flang sources for quality purposes. Fixing LLVM headers is not an easy task and `[[maybe_unused]]` is C++17 and cannot be used yet in LLVM headers. Hence, this fix simply silence warnings coming from LLVM headers by telling CMake they are to be considered as if they were system headers. - drone.io changes: remove llvm 6.0 from clang config in drone.io and link flang with libstdc++ instead of libc++ llvm-dev resolved to llvm-6.0 in clang builds on drone.io. llvm 6.0 too old. LLVM packages are linked with libstdc++ standard library whereas libc++ was used for flang. This caused link time failure when building clang. Change frone.io to build flang with libc++. Note: This commit does not reflect an actual work log, it is a feature based split of the changes done in the FIR experimental branch. The related work log can be found in the commits between: 864898cbe509d032abfe1172ec367dbd3dd92bc1 and 137c23da9c64cf90584cf81fd646053a69e91f63 Other changes come from https://github.com/flang-compiler/f18/pull/959 review. Original-commit: flang-compiler/f18@edb0943bca4b81689f320bda341040bf255d6e2e Reviewed-on: https://github.com/flang-compiler/f18/pull/959
* [flang] Add zlib to drone files so that linking LLVM works. ↵David Truby2020-02-131-2/+2
| | | | | | | (flang-compiler/f18#983) Original-commit: flang-compiler/f18@403faf847d0beacac26421bc82318aaef0e973c9 Reviewed-on: https://github.com/flang-compiler/f18/pull/983
* [flang] Another atempt to lower core countDavid Truby2019-11-181-2/+2
| | | | | Original-commit: flang-compiler/f18@60eeb446b160826d587adeea939cc99416c03df5 Reviewed-on: https://github.com/flang-compiler/f18/pull/832
* [flang] Change images used for CI to solve build issuesDavid Truby2019-11-181-6/+6
| | | | | | Original-commit: flang-compiler/f18@325b26b3a4025d4c54725db6b557276025f706fa Reviewed-on: https://github.com/flang-compiler/f18/pull/832 Tree-same-pre-rewrite: false
* [flang] Disable arm64 gcc builds in CI until they can be fixedDavid Truby2019-11-151-1/+1
| | | | | | | | Currently the arm64 gcc builds in CI are getting stuck, so disable these to get CI working again until they're fixed. Original-commit: flang-compiler/f18@49803e62ee3fdfc29ae0bdd6a712cc288e10bb26 Reviewed-on: https://github.com/flang-compiler/f18/pull/829
* [flang] Reduce number of threads used for building.David Truby2019-11-141-2/+2
| | | | | | | This is to avoid running out of memory on some builds. Original-commit: flang-compiler/f18@f8abe443cf3d12d47d08d61530f4da4b4b96c0c5 Reviewed-on: https://github.com/flang-compiler/f18/pull/823
* [flang] Add CI file for cloud.drone.ioDavid Truby2019-11-131-0/+48
Original-commit: flang-compiler/f18@32252639abd07ed409fe5f48755d852b91b9ae11 Reviewed-on: https://github.com/flang-compiler/f18/pull/823 Tree-same-pre-rewrite: false
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