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FIR DFA: take all statements from ?. if result is non-null.

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I.e. a?.f(b as T) != null => b is T.

This also allows to remove the copyAllInformationFrom hack by moving the
edge directly in the control flow graph.
This commit is contained in:
pyos
2022-11-19 19:13:27 +01:00
committed by teamcity
parent 3392e066df
commit 16b8811697
14 changed files with 278 additions and 245 deletions
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compiler/testData/codegen/box/smartCasts/kt44814.dot
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+14 -14
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@@ -634,9 +634,8 @@ digraph kt44814_kt {
210 [label="Type operator: (this@R|/FirModifierList.Companion.getModifierList|.R|/FirPsiSourceElement.psi| as? R|KtModifierListOwner|) [6]"];
211 [label="Enter safe call [6]"];
212 [label="Access variable R|/KtModifierListOwner.modifierList| [6]"];
213 [label="Exit safe call [6]"];
214 [label="Enter safe call [6]"];
215 [label="Postponed enter to lambda [7]"];
213 [label="Enter safe call [6]"];
214 [label="Postponed enter to lambda [7]"];
subgraph cluster_65 {
color=blue
233 [label="Enter function anonymousFunction [8]" style="filled" fillcolor=red];
@@ -649,8 +648,9 @@ digraph kt44814_kt {
}
238 [label="Exit function anonymousFunction [8]" style="filled" fillcolor=red];
}
216 [label="Postponed exit from lambda [7]"];
217 [label="Function call: $subj$.R|kotlin/let|<R|KtModifierList|, R|FirModifierList.FirPsiModifierList|>(...) [6]"];
215 [label="Postponed exit from lambda [7]"];
216 [label="Function call: $subj$.R|kotlin/let|<R|KtModifierList|, R|FirModifierList.FirPsiModifierList|>(...) [6]"];
217 [label="Exit safe call [6]"];
218 [label="Exit safe call [6]"];
219 [label="Exit block [6]"];
}
@@ -734,15 +734,15 @@ digraph kt44814_kt {
207 -> {208};
208 -> {209};
209 -> {210};
210 -> {211 213};
210 -> {211 217};
211 -> {212};
212 -> {213};
213 -> {214 218};
214 -> {215};
215 -> {233};
215 -> {216} [color=red];
215 -> {233} [style=dashed];
216 -> {217};
212 -> {217 213};
213 -> {214};
214 -> {233};
214 -> {215} [color=red];
214 -> {233} [style=dashed];
215 -> {216};
216 -> {218};
217 -> {218};
218 -> {221 219};
219 -> {220};
@@ -764,7 +764,7 @@ digraph kt44814_kt {
236 -> {237};
237 -> {238};
238 -> {221} [color=red];
238 -> {216} [color=green];
238 -> {215} [color=green];
239 -> {249 240};
240 -> {241};
241 -> {242 244};