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fix ast node duplication/reference bug in certain optimizers

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This commit is contained in:
Irmen de Jong 2021-04-02 19:01:46 +02:00
parent 6fdc733941
commit 9e2b8a2aa9
1 changed files with 2 additions and 2 deletions
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4
compiler/src/prog8/optimizer/StatementOptimizer.kt
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@ -403,7 +403,7 @@ internal class StatementOptimizer(private val program: Program,
// replace by several INCs if it's not a memory address (inc on a memory mapped register doesn't work very well)
val incs = AnonymousScope(mutableListOf(), assignment.position)
repeat(rightCv.toInt()) {
incs.statements.add(PostIncrDecr(assignment.target, "++", assignment.position))
incs.statements.add(PostIncrDecr(assignment.target.copy(), "++", assignment.position))
}
return listOf(IAstModification.ReplaceNode(assignment, incs, parent))
}
@ -417,7 +417,7 @@ internal class StatementOptimizer(private val program: Program,
// replace by several DECs if it's not a memory address (dec on a memory mapped register doesn't work very well)
val decs = AnonymousScope(mutableListOf(), assignment.position)
repeat(rightCv.toInt()) {
decs.statements.add(PostIncrDecr(assignment.target, "--", assignment.position))
decs.statements.add(PostIncrDecr(assignment.target.copy(), "--", assignment.position))
}
return listOf(IAstModification.ReplaceNode(assignment, decs, parent))
}