mirror of https://github.com/llvm/torch-mlir
43 lines
1.0 KiB
Python
43 lines
1.0 KiB
Python
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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"""Test for the MLIR Pass Python bindings"""
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from _npcomp.mlir import ir
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from _npcomp.mlir import passes
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from npcomp.utils import test_utils
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test_utils.start_filecheck_test()
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c = ir.MLIRContext()
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pm = passes.PassManager(c)
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# CHECK-LABEL: module @parseSuccess
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m = c.parse_asm(r"""
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module @parseSuccess {
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func @notUsed() attributes { sym_visibility = "private" }
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func @f() {
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return
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}
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}
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""")
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# CHECK: func @notUsed
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# CHECK: func @f
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print(m.to_asm())
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# CHECK: PASS COUNT: 0
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print("PASS COUNT:", len(pm))
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pm.addPassPipelines("canonicalize", "symbol-dce")
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# Note: not checking the actual count since these may expand to more than
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# two passes.
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# CHECK: PASS COUNT:
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print("PASS COUNT:", len(pm))
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# CHECK: PASSES: canonicalize, symbol-dce
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print("PASSES:", str(pm))
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pm.run(m)
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print(m.to_asm())
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# CHECK-NOT: func @notUsed
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test_utils.end_filecheck_test(__file__)
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