azalea/kotlin-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Don't use labels for caching

Browse Source 
Avoid new objects creation
This commit is contained in:
Mikhail Bogdanov
2020-06-15 10:23:43 +02:00
parent db50afeafe
commit fe4bb24a3e
1 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/LabelNormalizationMethodTransformer.kt
+5 -5
View File
@@ -30,7 +30,7 @@ class LabelNormalizationMethodTransformer : MethodTransformer() {
private class TransformerForMethod(val methodNode: MethodNode) {
val instructions = methodNode.instructions
val newLabelNodes = SmartIdentityTable<Label, LabelNode>()
val newLabelNodes = SmartIdentityTable<LabelNode, LabelNode>()
fun transform() {
if (rewriteLabelInstructions()) {
@@ -48,11 +48,11 @@ class LabelNormalizationMethodTransformer : MethodTransformer() {
if (thisNode is LabelNode) {
val prevNode = thisNode.previous
if (prevNode is LabelNode) {
newLabelNodes[thisNode.label] = prevNode
newLabelNodes[thisNode] = prevNode
removedAnyLabels = true
thisNode = instructions.removeNodeGetNext(thisNode)
} else {
newLabelNodes[thisNode.label] = thisNode
newLabelNodes[thisNode] = thisNode
thisNode = thisNode.next
}
} else {
@@ -145,12 +145,12 @@ class LabelNormalizationMethodTransformer : MethodTransformer() {
}
private fun getNew(oldLabelNode: LabelNode): LabelNode {
return newLabelNodes[oldLabelNode.label]
return newLabelNodes[oldLabelNode]
?: throw IllegalStateException("Label wasn't found during iterating through instructions")
}
private fun getNewOrOld(oldLabelNode: LabelNode): LabelNode =
newLabelNodes[oldLabelNode.label] ?: oldLabelNode
newLabelNodes[oldLabelNode] ?: oldLabelNode
}
}