Migrate most shrinker functions to the ir #4033

Job	Run time
test-win (3.9, nocover)	20s
test-win (3.9, cover+rest)	20s
test (check-whole-repo-tests)	1s
test-osx (check-py38-cover)	34s
test-win (3.11, nocover)	21s
test-pyodide	23s
test (lint)	1s
test-osx (check-py310-cover)	35s
test-win (3.11, cover+rest)	21s
test (check-format)	20s
test-osx (check-py310-nocover)	34s
test-win (3.11, x86, nocover)	21s
test (check-coverage)	33s
test-osx (check-py310-niche)	35s
test-win (3.11, x86, cover+rest)	19s
test (check-conjecture-coverage)	20s
test-osx (check-py311-cover)	36s
test (check-py38-cover)	1s
test (check-py38-nocover)	1s
test (check-py38-niche)	1s
test (check-pypy38-cover)	1s
test (check-py39-cover)	1s
test (check-pypy39-cover)	1s
test (check-py310-cover)	1s
test (check-py310-nocover)	1s
test (check-py310-niche)	1s
test (check-pypy310-cover)	1s
test (check-py311-cover)	1s
test (check-py311-nocover)	1s
test (check-py311-niche)	1s
test (check-py312-cover)	1s
test (check-py312-nocover)	1s
test (check-py312-niche)	1s
test (check-py313-cover)	1s
test (check-py313-nocover)	1s
test (check-py313-niche)	1s
test (check-quality)	1s
test (check-py39-nose)	1s
test (check-py39-pytest46)	1s
test (check-py39-pytest54)	1s
test (check-pytest62)	1s
test (check-django42)	31s
test (check-django41)	21s
test (check-django32)	23s
test (check-pandas20)	1s
test (check-pandas15)	1s
test (check-pandas14)	1s
test (check-pandas13)	21s
test (check-pandas12)	1s
test (check-pandas11)	1s
test (check-py38-oldestnumpy)	1s
test (check-numpy-nightly)	22s
deploy	1s
	9m 3s

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