forked from M-Labs/artiq
transforms.cfg_simplifier: correctly update phis.
This commit is contained in:
parent
2a474b7166
commit
72b6cca9c3
|
@ -26,7 +26,10 @@ class CFGSimplifier:
|
|||
# Our IR doesn't tolerate branch_if %c, %b, %b
|
||||
insn.replace_with(ir.Branch(successor))
|
||||
elif isinstance(insn, ir.Phi):
|
||||
incoming_value = insn.incoming_value_for_block(block)
|
||||
insn.remove_incoming_block(block)
|
||||
for pred in block.predecessors():
|
||||
insn.add_incoming(incoming_value, pred)
|
||||
|
||||
block.replace_all_uses_with(successor)
|
||||
block.erase()
|
||||
|
|
Loading…
Reference in New Issue