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40 lines
1.3 KiB
40 lines
1.3 KiB
"""BUILD extensions for MLIR linalg generation."""
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def genlinalg(name, linalggen, src, linalg_outs):
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"""genlinalg() generates code from a tc spec file.
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Args:
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name: The name of the build rule for use in dependencies.
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linalggen: The binary used to produce the output.
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src: The tc spec file.
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linalg_outs: A list of tuples (opts, out), where each opts is a string of
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options passed to linalggen, and the out is the corresponding output file
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produced.
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"""
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for (opts, out) in linalg_outs:
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# All arguments to generate the output except output destination.
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base_args = [
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"$(location %s)" % linalggen,
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"%s" % opts,
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"$(location %s)" % src,
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]
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rule_suffix = "_".join(opts.replace("-", "_").replace("=", "_").split(" "))
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# Rule to generate code using generated shell script.
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native.genrule(
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name = "%s_%s_genrule" % (name, rule_suffix),
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srcs = [src],
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outs = [out],
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tools = [linalggen],
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cmd = (" ".join(base_args) + " -o $@"),
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)
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# List of opts that do not generate cc files.
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hdrs = [f for (opts, f) in linalg_outs]
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native.cc_library(
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name = name,
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hdrs = hdrs,
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textual_hdrs = hdrs,
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)
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