Add hoist mechanism for specific TTIR ops, with placeholder analysis … #516

Job	Run time
pre-commit / pre-commit	14s
build-and-test / build-image	10s
spdx / check-spdx-headers	4s
build-and-test / Build and test tt-explorer (n150, ON, perf)	18m 45s
build-and-test / Build tt-mlir (ubuntu-latest, OFF, OFF, run)	21m 44s
build-and-test / Build tt-mlir (ubuntu-latest, ON, OFF, perf)	24m 4s
build-and-test / Lint (clang-tidy)	25m 56s
build-and-test / Build tt-mlir (ubuntu-latest, OFF, ON, op_model)	22m 3s
build-and-test / run-ttrt-tests (n150, ON, perf)	10m 30s
build-and-test / run-runtime-api-tests (n150, OFF, run)	3m 49s
build-and-test / run-tests (n150, OFF, run)	5m 19s
build-and-test / run-tests (n150, ON, perf)	8m 7s
build-and-test / run-tests (n300, OFF, run)	5m 59s
build-and-test / run-tests (n300, ON, perf)	10m 6s
	2h 36m 50s

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