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1 # IR-Structures:
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171
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2 from .instruction import *
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3 from .basicblock import BasicBlock
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4
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155
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5 class Module:
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170
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6 """ Main container for a piece of code. """
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7 def __init__(self, name):
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8 self.name = name
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9 self.funcs = []
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10 def __repr__(self):
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11 return 'IR-module [{0}]'.format(self.name)
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12 def getInstructions(self):
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13 ins = []
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14 for bb in self.BasicBlocks:
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15 ins += bb.Instructions
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16 return ins
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17 Instructions = property(getInstructions)
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18 def getBBs(self):
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19 bbs = []
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20 for f in self.Functions:
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21 bbs += f.BasicBlocks
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22 return bbs
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23 BasicBlocks = property(getBBs)
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24 def addFunc(self, f):
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25 self.funcs.append(f)
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26 def getFuncs(self):
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27 return self.funcs
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28 Functions = property(getFuncs)
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29 def dump(self):
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30 print(self)
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31 for fn in self.Functions:
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32 print(fn)
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33 for bb in fn.BasicBlocks:
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34 print(' ', bb)
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35 for ins in bb.Instructions:
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36 print(' ', ins)
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37 print('END')
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38 def dumpgv(self, outf):
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39 outf.write('digraph G \n{\n')
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40 for f in self.Functions:
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41 outf.write('{0} [label="{1}" shape=box3d]\n'.format(id(f), f))
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42 for bb in f.BasicBlocks:
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43 contents = str(bb) + '\n'
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44 contents += '\n'.join([str(i) for i in bb.Instructions])
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45 outf.write('{0} [shape=note label="{1}"];\n'.format(id(bb), contents))
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46 for successor in bb.Successors:
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47 outf.write('"{0}" -> "{1}"\n'.format(id(bb), id(successor)))
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48 # Draw dags if any:
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49 if hasattr(bb, 'dag'):
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50 outf.write('{0} -> {1}\n'.format(id(bb), id(bb.dag)))
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51 bb.dag.dumpgv(outf)
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52
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53 outf.write('"{0}" -> "{1}" [label="entry"]\n'.format(id(f), id(f.entry)))
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54 outf.write('}\n')
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55
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56 # Analysis functions:
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57 def check(self):
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58 """ Perform sanity check on module """
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59 for i in self.Instructions:
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60 for t in i.defs:
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61 assert type(t) is Value, "def must be Value, not {0}".format(type(t))
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62 for t in i.uses:
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63 assert type(t) is Use, "use must be Value, not {0}".format(type(t))
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64
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