[FE 1.0] Record USED_AS_EXPRESSION for unreachable CFG nodes

^KT-48708 Fixed
This commit is contained in:
Dmitriy Novozhilov
2021-09-13 11:02:01 +03:00
committed by teamcityserver
parent 8464b15d27
commit d390f881c8
10 changed files with 119 additions and 9 deletions
@@ -1454,6 +1454,12 @@ public class Fir2IrTextTestGenerated extends AbstractFir2IrTextTest {
runTest("compiler/testData/ir/irText/expressions/kt47450.kt");
}
@Test
@TestMetadata("kt48708.kt")
public void testKt48708() throws Exception {
runTest("compiler/testData/ir/irText/expressions/kt48708.kt");
}
@Test
@TestMetadata("lambdaInCAO.kt")
public void testLambdaInCAO() throws Exception {
@@ -797,15 +797,17 @@ class ControlFlowInformationProviderImpl private constructor(
////////////////////////////////////////////////////////////////////////////////
// Statements
private fun markStatements() = pseudocode.traverse(TraversalOrder.FORWARD) { instruction ->
val value = (instruction as? InstructionWithValue)?.outputValue
val pseudocode = instruction.owner
val usages = pseudocode.getUsages(value)
val isUsedAsExpression = usages.isNotEmpty()
val isUsedAsResultOfLambda = isUsedAsResultOfLambda(usages)
for (element in pseudocode.getValueElements(value)) {
trace.record(USED_AS_EXPRESSION, element, isUsedAsExpression)
trace.record(USED_AS_RESULT_OF_LAMBDA, element, isUsedAsResultOfLambda)
private fun markStatements() {
pseudocode.traverseIncludingDeadCode { instruction ->
val value = (instruction as? InstructionWithValue)?.outputValue
val pseudocode = instruction.owner
val usages = pseudocode.getUsages(value)
val isUsedAsExpression = usages.isNotEmpty()
val isUsedAsResultOfLambda = isUsedAsResultOfLambda(usages)
for (element in pseudocode.getValueElements(value)) {
trace.record(USED_AS_EXPRESSION, element, isUsedAsExpression)
trace.record(USED_AS_RESULT_OF_LAMBDA, element, isUsedAsResultOfLambda)
}
}
}
@@ -54,6 +54,15 @@ fun <D> Pseudocode.traverse(
}
}
fun Pseudocode.traverseIncludingDeadCode(analyzeInstruction: (Instruction) -> Unit) {
for (instruction in instructionsIncludingDeadCode) {
if (instruction is LocalFunctionDeclarationInstruction) {
instruction.body.traverseIncludingDeadCode(analyzeInstruction)
}
analyzeInstruction(instruction)
}
}
fun <I : ControlFlowInfo<*, *, *>> Pseudocode.collectData(
traversalOrder: TraversalOrder,
mergeEdges: (Instruction, Collection<I>) -> Edges<I>,
@@ -0,0 +1,13 @@
fun test(b: Boolean) {
val x: Int = when {
b -> 3
else -> { // BLOCK
throw Exception()
0
}
}
takeInt(x = x)
}
fun takeInt(x: Int) {
}
+20
View File
@@ -0,0 +1,20 @@
FILE fqName:<root> fileName:/kt48708.kt
FUN name:test visibility:public modality:FINAL <> (b:kotlin.Boolean) returnType:kotlin.Unit
VALUE_PARAMETER name:b index:0 type:kotlin.Boolean
BLOCK_BODY
VAR name:x type:kotlin.Int [val]
WHEN type=kotlin.Int origin=IF
BRANCH
if: GET_VAR 'b: kotlin.Boolean declared in <root>.test' type=kotlin.Boolean origin=null
then: CONST Int type=kotlin.Int value=3
BRANCH
if: CONST Boolean type=kotlin.Boolean value=true
then: BLOCK type=kotlin.Int origin=null
THROW type=kotlin.Nothing
CONSTRUCTOR_CALL 'public constructor <init> () declared in java.lang.Exception' type=java.lang.Exception origin=null
CONST Int type=kotlin.Int value=0
CALL 'public final fun takeInt (x: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
x: GET_VAR 'val x: kotlin.Int [val] declared in <root>.test' type=kotlin.Int origin=null
FUN name:takeInt visibility:public modality:FINAL <> (x:kotlin.Int) returnType:kotlin.Unit
VALUE_PARAMETER name:x index:0 type:kotlin.Int
BLOCK_BODY
+13
View File
@@ -0,0 +1,13 @@
// ISSUE: KT-48708
fun test(b: Boolean) {
val x = if (b) {
3
} else {
throw Exception()
0
}
takeInt(x)
}
fun takeInt(x: Int) {}
+15
View File
@@ -0,0 +1,15 @@
fun test(b: Boolean) {
val x: Int = when {
b -> { // BLOCK
3
}
else -> { // BLOCK
throw Exception()
0
}
}
takeInt(x = x)
}
fun takeInt(x: Int) {
}
+21
View File
@@ -0,0 +1,21 @@
FILE fqName:<root> fileName:/kt48708.kt
FUN name:test visibility:public modality:FINAL <> (b:kotlin.Boolean) returnType:kotlin.Unit
VALUE_PARAMETER name:b index:0 type:kotlin.Boolean
BLOCK_BODY
VAR name:x type:kotlin.Int [val]
WHEN type=kotlin.Int origin=IF
BRANCH
if: GET_VAR 'b: kotlin.Boolean declared in <root>.test' type=kotlin.Boolean origin=null
then: BLOCK type=kotlin.Int origin=null
CONST Int type=kotlin.Int value=3
BRANCH
if: CONST Boolean type=kotlin.Boolean value=true
then: BLOCK type=kotlin.Int origin=null
THROW type=kotlin.Nothing
CONSTRUCTOR_CALL 'public constructor <init> () declared in java.lang.Exception' type=java.lang.Exception origin=null
CONST Int type=kotlin.Int value=0
CALL 'public final fun takeInt (x: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
x: GET_VAR 'val x: kotlin.Int [val] declared in <root>.test' type=kotlin.Int origin=null
FUN name:takeInt visibility:public modality:FINAL <> (x:kotlin.Int) returnType:kotlin.Unit
VALUE_PARAMETER name:x index:0 type:kotlin.Int
BLOCK_BODY
@@ -1454,6 +1454,12 @@ public class IrTextTestGenerated extends AbstractIrTextTest {
runTest("compiler/testData/ir/irText/expressions/kt47450.kt");
}
@Test
@TestMetadata("kt48708.kt")
public void testKt48708() throws Exception {
runTest("compiler/testData/ir/irText/expressions/kt48708.kt");
}
@Test
@TestMetadata("lambdaInCAO.kt")
public void testLambdaInCAO() throws Exception {
@@ -1128,6 +1128,11 @@ public class KlibTextTestCaseGenerated extends AbstractKlibTextTestCase {
runTest("compiler/testData/ir/irText/expressions/kt47450.kt");
}
@TestMetadata("kt48708.kt")
public void testKt48708() throws Exception {
runTest("compiler/testData/ir/irText/expressions/kt48708.kt");
}
@TestMetadata("lambdaInCAO.kt")
public void testLambdaInCAO() throws Exception {
runTest("compiler/testData/ir/irText/expressions/lambdaInCAO.kt");