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Author SHA1 Message Date
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
Chris Lattner 5fc587ecf8 Continue sketching out basic infrastructure, including an input and output 
filename, and printing of trivial stuff.  There is no parser yet, so the
input file is ignored.

PiperOrigin-RevId: 201596916
 2019-03-29 12:23:51 -07:00
Chris Lattner 9603f9fe35 Sketch out a new repository for the mlir project (go/mlir). 
PiperOrigin-RevId: 201540159
 2019-03-29 12:23:24 -07:00