* split shared_codegen_spec and fix index
* add VCONST to program_spec and move index to shared_codegen_spec
* working ignore_oob=0
* cleanup
* fix spec
* undo that
* move barrier and special earlier
* fix more spec issues
* more updates
* remove special from program_spec
* cleanup and fixes
* move more to shared
* special is not in shared_spec
* some comments
* dont do bounds check there
* late ifs try 2
* fix image
* fix that test
* panic
* ptx fixups
* preserve toposort
* those pass locally
* Revert "those pass locally"
This reverts commit 063409f828.
* no ls
* make that explicit
* new linearizer with early endrange
* cleanups
* second stage removal
* not store
* do that later
* end cleanup
* fix globals
* end
* multi end
* fix ends earlier
* work
* do_merge_ends
* mini change
* range_gate
* fix cpu
* test fixups
* ranges on index
* not for ptx
* delete linearizer
* remove more junk
* delete that test
* we insert endif
* all ends
* new linearizer with early endrange
* cleanups
* second stage removal
* not store
* do that later
* end cleanup
* fix globals
* end
* multi end
* fix ends earlier
* work
* do_merge_ends
* mini change
* range_gate
* fix cpu
* test fixups
* ranges on index
* not for ptx
* add or_casted
* add tests and fix old tests
* cast load
* move that to pm_render
* add allow_any_len to gated load patterns in renderers
* slice [:2]
* new pm_lower_index_dtype
* load_store_indexing after index lowering
* shorten line
* seperate rule for long removal
* fix test
* fix index_to_concrete_int
* minor fixes
* add sink there
* update types in linearizer test
* lowering invalid gate is part of lower_index_dtype
* update test
* remove import
* put that back
* reduce_collapse uses invalid
* fix that pattern to use invalid_pat
* valid creates the right dtype count
* seperate rule for lowering invalid gate
* dont unvectorize Invalid gate
* image_fixup uses Invalid
* update tests
* cleanup
* update split_load_store
* add .scalar() there
* merge index_dtype_3
* new lowering with Invalid idx
* remove that dtype from range
* finish merge
* annotate better
* indentation
* dont need that anymore
* always process replay for openpilot
* more uop_given_valid for idx
* valid past index_child
* fix bug preventing load getting an alt value
* add track_match_stats back in in shapetracker and remove cache
* get_valid_idx -> get_valid and get_idx
* fix heuristics with new idx
* split line
* fix typo
* fix signature
* dont skip idx if stride is 0
the idx may still be invalid
* lower const with new valid
* delete to_indexed_uops
* update shapetracker test
* delete axis_is_masked
* add cache back
* move around comment
* fix get_valid bug
* move invalid fold to symbolic so its earlier
* cleanup
* update applying padto to new idx
* add unit tests
* cleanup
* fold line
* improve spec
* dont try to render Invalid as a float
* more consistent invalid index
* update some tests
* Fold index with true cond
* skip test
* vconst min max if Invalid in arg
* fix signature of UOp.const
* add test for min/max of Invalid CONST/VCONST
* add InvalidType to as_const signature
* is Invalid to isinstance
* Add InvalidType to ConstLike
* index gate is a where gate
* make that a metaclass
* fix heurisics for new idx
* mypy happy
* add dtypes.index
* cast shape, stride and mask to dtypes.index in view.create
* move pm_lower_index_dtype to ops
* DEFINE_VAR is dtype.index by default
* merge var_val_using_str
* remove int from commutative
* fix test_rewrite_map
* change that to dtypes.index
* change some int to index
* shorten those
* remove old cast in renderer
* cleanup
* change that back
* add comment
* delete comment
* just delete those
* view doesnt have to cast anymore
* adjust comment
* make POSTOPT=2 the default
* more matching tc
* fix winograd
* fix that test
* add matvec to Scheduler
* flip tc sort order
* similar speed
* fix beam on image
* disable slow tests
* slow
* real new lowerer
* fix group for reduce
* skip missing ranges
* fix wmma and unroll/contract
* real fix for wmma
* disable that test
* fix if gate
* simpler
* flash attention fusion works
* no end barriers
* still broken
* flash attention finally works
* move index validation to load/stores
* add name
* add linearizer_failure
* add validate_store with implicit gates
* linearizer_failure_58 is fixed!
* add test_uop_graph test
* rename cond to gate
* test gated load/stores
* use or_casted()
* range has only one op now
* fix z3 checker
* ci fix
* needs shell
* try pip ensure update
* that ensurepip is useless
* upgrade pip before cache
* windows happy?
