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[[email protected]:81] KeyError: TransitionBlock(-0x2, AST=var_0 = arg5) #298

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merged 6 commits into from
Aug 7, 2023
Merged

[[email protected]:81] KeyError: TransitionBlock(-0x2, AST=var_0 = arg5) #298

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e438981
Create draft PR for #294
NeoQuix Jul 28, 2023
69c18e1
Update root
Jul 28, 2023
0f3920e
Modified tests
Aug 4, 2023
a9db9d2
Merge branch 'main' into issue-294-_KeyError_coreviews_py_81_KeyError…
Aug 4, 2023
0d74ecc
Moved root update
Aug 7, 2023
9d53fe3
Yes²
Aug 7, 2023
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2 changes: 2 additions & 0 deletions decompiler/pipeline/ssa/phi_lifting.py
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,8 @@ def _lift_phi_functions_of(self, basic_block: BasicBlock) -> None:
new_basic_block = self._insert_basic_block_before(basic_block, new_instructions)
if predecessor:
self._cfg.substitute_edge(edge, edge.copy(sink=new_basic_block))
else:
self._cfg.root = new_basic_block

self._update_interference_graph_after_lifting(new_instructions)

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4 changes: 4 additions & 0 deletions tests/pipeline/SSA/test_out_of_ssa_phi_lifting.py
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Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,8 @@ def test_lifting_phi_on_top_1(variable_v, variable_u):
and isinstance(phi_fct_lifter._cfg.get_edge(node, node), UnconditionalEdge)
and len(phi_fct_lifter._cfg.edges) == 2
)
# The root of the CFG must be updated by PhiFunctionLifter for the other stages to work
assert cfg.root == new_nodes[0]


def test_lifting_phi_on_top_2(variable_v, variable_u):
Expand Down Expand Up @@ -324,3 +326,5 @@ def test_lifting_phi_on_top_2(variable_v, variable_u):
and isinstance(phi_fct_lifter._cfg.get_edge(node, node), UnconditionalEdge)
and len(phi_fct_lifter._cfg.edges) == 2
)
# The root of the CFG must be updated by PhiFunctionLifter for the other stages to work
assert cfg.root == new_nodes[0]
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