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[PSI2IR] Propagate smart cast information for variable loads.

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This gives us more precise type information and can enable backend
optimizations. This was motivated by when expressions not compiled
to table switches in the JVM_IR backend.

Fixed KT-36845.
This commit is contained in:
Mads Ager
2020-12-17 12:51:53 +01:00
committed by Dmitry Petrov
parent 98a9e142e8
commit 6fc0de39c2
24 changed files with 59 additions and 69 deletions
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compiler/testData/ir/irText/expressions/sam/samConversionToGeneric.kt.txt
Vendored
+2 -2
View File
@@ -26,7 +26,7 @@ fun test4(a: Any) {
fun test5(a: Any) {
a as Function1<String, String> /*~> Unit */
bar<@FlexibleNullability String?>(j = a /*as Function1<@ParameterName(name = "x") @FlexibleNullability String?, @FlexibleNullability String?> */ /*-> @FlexibleNullability J<@FlexibleNullability String?>? */)
bar<@FlexibleNullability String?>(j = a /*as Function1<String, String> */ /*-> @FlexibleNullability J<@FlexibleNullability String?>? */)
}
fun <T : Any?> test6(a: Function1<T, T>) {
@@ -35,7 +35,7 @@ fun <T : Any?> test6(a: Function1<T, T>) {
fun <T : Any?> test7(a: Any) {
a as Function1<T, T> /*~> Unit */
bar<@FlexibleNullability T?>(j = a /*as Function1<@ParameterName(name = "x") @FlexibleNullability T?, @FlexibleNullability T?> */ /*-> @FlexibleNullability J<@FlexibleNullability T?>? */)
bar<@FlexibleNullability T?>(j = a /*as Function1<T, T> */ /*-> @FlexibleNullability J<@FlexibleNullability T?>? */)
}
fun test8(efn: @ExtensionFunctionType Function1<String, String>): J<@FlexibleNullability String?> {