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211 Commits

Author SHA1 Message Date
Chris Lattner b0dabbd67f Add parsing for attributes and attibutes on operations. Add IR representation 
for attributes on operations.  Split Operation out from OperationInst so it
can be shared with OperationStmt one day.

PiperOrigin-RevId: 203325366
 2019-03-29 12:29:16 -07:00
Tatiana Shpeisman 177ce7215c Basic representation and parsing of if and for statements. Loop headers and if statement conditions are not yet supported. 
PiperOrigin-RevId: 203211526
 2019-03-29 12:28:10 -07:00
Chris Lattner 6af866c58d Enhance the type system to support arbitrary precision integers, which are 
important for low-bitwidth inference cases and hardware synthesis targets.

Rename 'int' to 'affineint' to avoid confusion between "the integers" and "the int
type".

PiperOrigin-RevId: 202751508
 2019-03-29 12:27:32 -07:00
Chris Lattner 1734d78f88 Sketch out parser/IR support for OperationInst, and a new Instruction base 
class.

Introduce an Identifier class to MLIRContext to represent uniqued identifiers,
introduce string literal support to the lexer, introducing parser and printer
support etc.

PiperOrigin-RevId: 202592007
 2019-03-29 12:26:53 -07:00
Tatiana Shpeisman 3609599af6 Introduce IR and parser support for ML functions. 
Representing function arguments is still TODO.
Supporting instructions other than return is also TODO.

PiperOrigin-RevId: 202570934
 2019-03-29 12:26:41 -07:00
Chris Lattner 2b6684cfbe Add the unconditional branch instruction, improve diagnostics for block 
references.

PiperOrigin-RevId: 201872745
 2019-03-29 12:25:35 -07:00
MLIR Team 642f3e8847 Add tensor type. 
PiperOrigin-RevId: 201830793
 2019-03-29 12:24:58 -07:00
Chris Lattner 80b6bd24b3 Implement parser/IR support for CFG functions, basic blocks and return instruction. 
This is pretty much minimal scaffolding for this step.  Basic block arguments,
instructions, other terminators, a proper IR representation for
blocks/instructions, etc are all coming.

PiperOrigin-RevId: 201826439
 2019-03-29 12:24:45 -07:00
Chris Lattner 49795d166f Introduce IR support for MLIRContext, primitive types, function types, and 
vector types.

tensors and memref types are still TODO, and would be a good starter project
for someone.

PiperOrigin-RevId: 201782748
 2019-03-29 12:24:32 -07:00
Chris Lattner 23b784a1bb Implement parser and lexer support for most of the type grammar. 
Semi-affine maps and address spaces are not yet supported (someone want to take
this on?).  We also don't generate IR objects for types yet, which I plan to
tackle next.

PiperOrigin-RevId: 201754283
 2019-03-29 12:24:20 -07:00
Chris Lattner 9b9f7ff5d4 Implement enough of a lexer and parser for MLIR to parse extfunc's without 
arguments.

PiperOrigin-RevId: 201706570
 2019-03-29 12:24:05 -07:00