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also track subroutines in the callgraph that only get their address taken

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This commit is contained in:
Irmen de Jong 2021-02-21 22:09:49 +01:00
parent 5540482888
commit 4aca8bb8df
1 changed files with 12 additions and 0 deletions
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12
compiler/src/prog8/optimizer/CallGraph.kt
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@ -7,6 +7,7 @@ import prog8.ast.Program
import prog8.ast.base.DataType
import prog8.ast.base.ParentSentinel
import prog8.ast.base.Position
import prog8.ast.expressions.AddressOf
import prog8.ast.expressions.FunctionCall
import prog8.ast.expressions.IdentifierReference
import prog8.ast.statements.*
@ -150,6 +151,17 @@ class CallGraph(private val program: Program, private val asmFileLoader: (filena
super.visit(functionCallStatement)
}
override fun visit(addressOf: AddressOf) {
val otherSub = addressOf.identifier.targetSubroutine(program)
if(otherSub!=null) {
addressOf.definingSubroutine()?.let { thisSub ->
calls[thisSub] = calls.getValue(thisSub).plus(otherSub)
calledBy[otherSub] = calledBy.getValue(otherSub).plus(thisSub)
}
}
super.visit(addressOf)
}
override fun visit(jump: Jump) {
val otherSub = jump.identifier?.targetSubroutine(program)
if (otherSub != null) {