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Currently, we see MLIR partition candidates recieving non-standard shape due to not fusing in squeeze, flatten and unsqueeze ops. These ops could be canonicalized to reshape without introducing additional ops as long as MLIR backend is concerned.

* Fix scatter operator for nonstandard shapes

remove standard() shape check for scatter inputs.

* Add nostandard input tests for scatter

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Co-authored-by: Chris Austen <causten@users.noreply.github.com>

Makes ConstantOfShape work with a variable dimensions input

add flags for ck, Enable CK with hipRTC.  CK can be used with the MIGRAPHX_ENABLE_CK=1 and MIGRAPHX_TUNE_CK=1

Enable MLIR performance enhancements with MIGRAPHX_ENABLE_MLIR=1

MIGraphX verification by default uses normalized RMS error as the basis for the verification.  This change adds some logic to allow migraphx to do "np.allclose" type of elementwise verification using atol and rtol.

Commit also includes changes to consistently pass "gold" or "expected" results as the second argument for "verify_range()" calls.  Default RMS tolerance inside driver is set to 0.001 which IMO is high for FP32 compared to what we had earlier. Need better defaults

Modify reshapes to use reshape_lazy for aliasing and then reshape for a reshape copy operation to eliminate contiguous

Currently, the is_mlir_conv predicate wasn't being used when
offloading standalone convolutions to MLIR on Navi3x, which caused
failures relating to being unable to construct the MLIR program when a
3D convlolution was passed in.

This commit amends the standalone lowering to use said predicate, as
well as to include quant_convolution and quant_dot into the set of
operations that get a standalone lowering.

Add mlir_logger, which registers a MLIR diagnostic handler that
captures any information generated by a MLIR compile and saves it to a
string.

This will be useful during tuning, where some such errors may be the
result of an inapplicable tuning configuration and should be
suppressed.

New compiler pass that simplifies dynamic shapes related operators to their static versions if possible
Will normally be used after a split_single_dyn_dim pass

Skip verifying literals and parameters
Print the correct trim value
Print failure for an exception and continue reduce
Print if shapes do not match