Fuse reshapes on pointwise inputs for mlir output fusion

[pfultz2]

No description provided.

[migraphx-bot]

Test	Batch	Rate new 5d5f21	Rate old 71fd27	Diff	Compare
torchvision-resnet50	64	3,258.85	3,258.47	0.01%	✅
torchvision-resnet50_fp16	64	6,983.25	6,989.35	-0.09%	✅
torchvision-densenet121	32	2,436.55	2,437.00	-0.02%	✅
torchvision-densenet121_fp16	32	4,074.53	4,070.38	0.10%	✅
torchvision-inceptionv3	32	1,638.76	1,639.85	-0.07%	✅
torchvision-inceptionv3_fp16	32	2,763.39	2,763.41	-0.00%	✅
cadene-inceptionv4	16	776.05	776.50	-0.06%	✅
cadene-resnext64x4	16	811.31	808.24	0.38%	✅
slim-mobilenet	64	7,530.98	7,538.65	-0.10%	✅
slim-nasnetalarge	64	212.26	211.54	0.34%	✅
slim-resnet50v2	64	3,504.01	3,507.21	-0.09%	✅
bert-mrpc-onnx	8	1,145.47	1,150.51	-0.44%	✅
bert-mrpc-tf	1	482.43	475.19	1.52%	✅
pytorch-examples-wlang-gru	1	433.96	426.61	1.72%	✅
pytorch-examples-wlang-lstm	1	384.28	376.26	2.13%	✅
torchvision-resnet50_1	1	799.16	785.19	1.78%	✅
cadene-dpn92_1	1	400.91	399.09	0.46%	✅
cadene-resnext101_1	1	384.58	383.01	0.41%	✅
onnx-taau-downsample	1	343.29	343.03	0.08%	✅
dlrm-criteoterabyte	1	33.32	33.33	-0.01%	✅
dlrm-criteoterabyte_fp16	1	52.67	52.73	-0.11%	✅
agentmodel	1	8,216.39	8,178.96	0.46%	✅
unet_fp16	2	58.97	58.92	0.08%	✅
resnet50v1_fp16	1	940.08	925.30	1.60%	✅
resnet50v1_int8	1	1,009.17	1,011.55	-0.24%	✅
bert_base_cased_fp16	64	1,170.41	1,169.93	0.04%	✅
bert_large_uncased_fp16	32	363.57	363.31	0.07%	✅
bert_large_fp16	1	196.03	200.50	-2.23%	✅
distilgpt2_fp16	16	2,199.99	2,194.69	0.24%	✅
yolov5s	1	539.73	533.06	1.25%	✅
tinyllama	1	43.44	43.45	-0.04%	✅
vicuna-fastchat	1	174.35	172.29	1.20%	✅
whisper-tiny-encoder	1	416.05	417.95	-0.46%	✅
whisper-tiny-decoder	1	426.36	425.65	0.17%	✅

This build is OK for merge ✅

[migraphx-bot]

     ✅ bert-mrpc-onnx: PASSED: MIGraphX meets tolerance

     ✅ bert-mrpc-tf: PASSED: MIGraphX meets tolerance

     ✅ pytorch-examples-wlang-gru: PASSED: MIGraphX meets tolerance

     ✅ pytorch-examples-wlang-lstm: PASSED: MIGraphX meets tolerance

     ✅ torchvision-resnet50_1: PASSED: MIGraphX meets tolerance

     ✅ cadene-dpn92_1: PASSED: MIGraphX meets tolerance

     ✅ cadene-resnext101_1: PASSED: MIGraphX meets tolerance

     ✅ dlrm-criteoterabyte: PASSED: MIGraphX meets tolerance

     ✅ agentmodel: PASSED: MIGraphX meets tolerance

     ✅ unet: PASSED: MIGraphX meets tolerance

     ✅ resnet50v1: PASSED: MIGraphX meets tolerance

     ✅ bert_base_cased_fp16: PASSED: MIGraphX meets tolerance

🔴bert_large_uncased_fp16: FAILED: MIGraphX is not within tolerance - check verbose output

     ✅ bert_large: PASSED: MIGraphX meets tolerance

     ✅ yolov5s: PASSED: MIGraphX meets tolerance

     ✅ tinyllama: PASSED: MIGraphX meets tolerance

     ✅ vicuna-fastchat: PASSED: MIGraphX meets tolerance

     ✅ whisper-tiny-encoder: PASSED: MIGraphX meets tolerance

     ✅ whisper-tiny-decoder: PASSED: MIGraphX meets tolerance

     ✅ distilgpt2_fp16: PASSED: MIGraphX meets tolerance