forked from M-Labs/artiq
Make compiler.ir.BasicBlock.predecessors much faster.
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@ -303,8 +303,7 @@ class BasicBlock(NamedValue):
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return self.terminator().successors()
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def predecessors(self):
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assert self.function is not None
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return self.function.predecessors_of(self)
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return [use.basic_block for use in self.uses if isinstance(use, Terminator)]
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def __str__(self):
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# Header
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@ -384,9 +383,6 @@ class Function:
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basic_block._detach()
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self.basic_blocks.remove(basic_block)
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def predecessors_of(self, successor):
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return [block for block in self.basic_blocks
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if block.is_terminated() and successor in block.successors()]
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def __str__(self):
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printer = types.TypePrinter()
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