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Control-Flow Analysis: Reuse pseudo-value information for unused expression analysis

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This commit is contained in:
Alexey Sedunov
2014-07-25 14:52:15 +04:00
parent 2a19016d58
commit 9cbcabffa4
55 changed files with 239 additions and 190 deletions
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compiler/testData/diagnostics/tests/when/When.kt
+16 -16
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@@ -4,15 +4,15 @@ fun foo() : Int {
val s = ""
val x = 1
when (x) {
is <!INCOMPATIBLE_TYPES!>String<!> -> 1
!is Int -> 1
is Any<!USELESS_NULLABLE_CHECK!>?<!> -> 1
<!INCOMPATIBLE_TYPES!>s<!> -> 1
1 -> 1
1 + <!UNRESOLVED_REFERENCE!>a<!> -> 1
in 1..<!UNRESOLVED_REFERENCE!>a<!> -> 1
!in 1..<!UNRESOLVED_REFERENCE!>a<!> -> 1
else -> 1
is <!INCOMPATIBLE_TYPES!>String<!> -> <!UNUSED_EXPRESSION!>1<!>
!is Int -> <!UNUSED_EXPRESSION!>1<!>
is Any<!USELESS_NULLABLE_CHECK!>?<!> -> <!UNUSED_EXPRESSION!>1<!>
<!INCOMPATIBLE_TYPES!>s<!> -> <!UNUSED_EXPRESSION!>1<!>
1 -> <!UNUSED_EXPRESSION!>1<!>
1 + <!UNRESOLVED_REFERENCE!>a<!> -> <!UNUSED_EXPRESSION!>1<!>
in 1..<!UNRESOLVED_REFERENCE!>a<!> -> <!UNUSED_EXPRESSION!>1<!>
!in 1..<!UNRESOLVED_REFERENCE!>a<!> -> <!UNUSED_EXPRESSION!>1<!>
else -> <!UNUSED_EXPRESSION!>1<!>
}
return 0
@@ -25,20 +25,20 @@ fun test() {
val s = "";
when (x) {
<!INCOMPATIBLE_TYPES!>s<!> -> 1
<!INCOMPATIBLE_TYPES!>""<!> -> 1
x -> 1
1 -> 1
<!INCOMPATIBLE_TYPES!>s<!> -> <!UNUSED_EXPRESSION!>1<!>
<!INCOMPATIBLE_TYPES!>""<!> -> <!UNUSED_EXPRESSION!>1<!>
x -> <!UNUSED_EXPRESSION!>1<!>
1 -> <!UNUSED_EXPRESSION!>1<!>
}
val z = 1
when (z) {
<!ELSE_MISPLACED_IN_WHEN!>else<!> -> 1
<!ELSE_MISPLACED_IN_WHEN!>else<!> -> <!UNUSED_EXPRESSION!>1<!>
<!UNREACHABLE_CODE!>1 -> 2<!>
}
when (z) {
else -> 1
when (<!UNUSED_EXPRESSION!>z<!>) {
else -> <!UNUSED_EXPRESSION!>1<!>
}
}