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9 Commits

Author SHA1 Message Date
Kazu Hirata
1a36588ec6 [mlir] Use std::nullopt instead of None (NFC) 
This patch mechanically replaces None with std::nullopt where the
compiler would warn if None were deprecated.  The intent is to reduce
the amount of manual work required in migrating from Optional to
std::optional.

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
 2022-12-03 18:50:27 -08:00
rkayaith
215eba4e1e [mlir][CAPI] Include anchor op in mlirParsePassPipeline 
The pipeline string must now include the pass manager's anchor op. This
makes the parse API properly roundtrip the printed form of a pass
manager. Since this is already an API break, I also added an extra
callback argument which is used for reporting errors.

The old functionality of appending to an existing pass manager is
available through `mlirOpPassManagerAddPipeline`.

Reviewed By: mehdi_amini, ftynse

Differential Revision: https://reviews.llvm.org/D136403
 2022-11-03 11:48:21 -04:00
rkayaith
f9f708ef41 [mlir][CAPI] Allow specifying pass manager anchor 
This adds a new function for creating pass managers that takes an
argument for the anchor string.

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D136404
 2022-10-27 13:32:14 -04:00
rkayaith
b3c5f6b15b [mlir][python] Include pipeline parse errors in exception message 
Currently any errors during pipeline parsing are reported to stderr.
This adds a new pipeline parsing function to the C api that reports
errors through a callback, and updates the python bindings to use it.

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D136402
 2022-10-27 13:05:38 -04:00
Daniel Resnick
2387fadea3 [mlir][capi] Add external pass creation to MLIR C-API 
Adds the ability to create external passes using the C-API. This allows passes
to be written in C or languages that use the C-bindings.

Differential Revision: https://reviews.llvm.org/D121866
 2022-04-04 10:27:11 -06:00
Nicolas Vasilache
caa159f044 [mlir][python] Add simple debugging and printing helpers 
Differential Revision: https://reviews.llvm.org/D100643
 2021-04-16 13:47:46 +00:00
Mehdi Amini
c7994bd939 Switch from C-style comments /* ... */ to C++ style // (NFC) 
This is mostly a scripted update, it may not be perfect.

function replace() {
  FROM=$1
  TO=$2
  git grep "$FROM" $REPO_PATH |cut -f 1 -d : | sort -u | \
    while read file; do
      sed -i "s#$FROM#$TO#" $file ;
    done
}

replace '|\*===----------------------------------------------------------------------===\*|$' '//===----------------------------------------------------------------------===//'
replace '^/\* =' '//=='
replace '^/\*=' '//='
replace '^\\\*=' '//='
replace '^|\*' '//'
replace ' \*|$' ''
replace '=\*\\$' '=//'
replace '== \*/$' '===//'
replace '==\*/$' '==//'
replace '^/\*\*\(.*\)\*/$' '///\1'
replace '^/\*\(.*\)\*/$' '//\1'
replace '//============================================================================//' '//===----------------------------------------------------------------------===//'

Differential Revision: https://reviews.llvm.org/D90732
 2020-11-04 18:11:13 +00:00
Mehdi Amini
aeb4b1a9d8 Add facilities to print/parse a pass pipeline through the C API 
This also includes and exercise a register function for individual
passes.

Differential Revision: https://reviews.llvm.org/D90728
 2020-11-04 17:29:49 +00:00
Mehdi Amini
f61d1028fa Add a basic C API for the MLIR PassManager as well as a basic TableGen backend for creating passes 
This is exposing the basic functionalities (create, nest, addPass, run) of
the PassManager through the C API in the new header: `include/mlir-c/Pass.h`.

In order to exercise it in the unit-test, a basic TableGen backend is
also provided to generate a simple C wrapper around the pass
constructor. It is used to expose the libTransforms passes to the C API.

Reviewed By: stellaraccident, ftynse

Differential Revision: https://reviews.llvm.org/D90667
 2020-11-04 06:36:31 +00:00