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8 Commits

Author SHA1 Message Date
George
df9ae59928 Use MlirStringRef throughout the C API 
While this makes the unit tests a bit more verbose, this simplifies the creation of bindings because only the bidirectional mapping between the host language's string type and MlirStringRef need to be implemented.

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D91905
 2020-11-23 14:07:30 -08:00
George
beb889c1ff Make array pointers in the CAPI const 
These pointers do not need to be mutable. This has an affect that generated function signatures in the Swift bindings now use `UnsafePointer` instead of `UnsafeMutablePointer`.

Reviewed By: ftynse, mehdi_amini

Differential Revision: https://reviews.llvm.org/D91740
 2020-11-19 11:56:29 -08:00
zhanghb97
77133b29b9 [mlir] Get array from the dense elements attribute with buffer protocol. 
- Add `mlirElementsAttrGetType` C API.
- Add `def_buffer` binding to PyDenseElementsAttribute.
- Implement the protocol to access the buffer.

Differential Revision: https://reviews.llvm.org/D91021
 2020-11-18 15:50:59 +08:00
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
Stella Laurenzo
6771b98c4e [mlir][CAPI] Add mlirAttributeGetType function. 
* Also fixes the const-ness of the various DenseElementsAttr construction functions.
* Both issues identified when trying to use the DenseElementsAttr functions.

Differential Revision: https://reviews.llvm.org/D89517
 2020-10-15 18:33:50 -07:00
zhanghb97
2fc0d4a8e8 [mlir] Add Float Attribute, Integer Attribute and Bool Attribute subclasses to python bindings. 
Based on PyAttribute and PyConcreteAttribute classes, this patch implements the bindings of Float Attribute, Integer Attribute and Bool Attribute subclasses.
This patch also defines the `mlirFloatAttrDoubleGetChecked` C API which is bound with the `FloatAttr.get_typed` python method.

Differential Revision: https://reviews.llvm.org/D88531
 2020-10-03 00:32:51 +08:00
Alex Zinenko
855ec517a3 [mlir] Model StringRef in C API 
Numerous MLIR functions return instances of `StringRef` to refer to a
non-owning fragment of a string (usually owned by the context). This is a
relatively simple class that is defined in LLVM. Provide a simple wrapper in
the MLIR C API that contains the pointer and length of the string fragment and
use it for Standard attribute functions that return StringRef instead of the
previous, callback-based mechanism.

Reviewed By: stellaraccident

Differential Revision: https://reviews.llvm.org/D87677
 2020-09-16 16:04:36 +02:00
Alex Zinenko
da56297462 [mlir] expose standard attributes to C API 
Provide C API for MLIR standard attributes. Since standard attributes live
under lib/IR in core MLIR, place the C APIs in the IR library as well (standard
ops will go in a separate library).

Affine map and integer set attributes are only exposed as placeholder types
with IsA support due to the lack of C APIs for the corresponding types.

Integer and floating point attribute APIs expecting APInt and APFloat are not
exposed pending decision on how to support APInt and APFloat.

Reviewed By: stellaraccident

Differential Revision: https://reviews.llvm.org/D86143
 2020-08-19 18:50:19 +02:00