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Use non-local functions to avoid creating lambdas in heap

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This commit is contained in:
Nikolay Krasko
2016-02-02 18:20:03 +03:00
committed by Nikolay Krasko
parent 99a693a14b
commit 909ced5fa2
1 changed files with 31 additions and 27 deletions
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compiler/frontend/src/org/jetbrains/kotlin/cfg/PseudocodeTraverser.kt
+31 -27
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@@ -17,13 +17,13 @@
package org.jetbrains.kotlin.cfg.pseudocodeTraverser
import org.jetbrains.kotlin.cfg.ControlFlowInfo
import org.jetbrains.kotlin.cfg.pseudocode.*
import java.util.*
import org.jetbrains.kotlin.cfg.pseudocodeTraverser.TraversalOrder.FORWARD
import org.jetbrains.kotlin.cfg.pseudocode.instructions.special.SubroutineSinkInstruction
import org.jetbrains.kotlin.cfg.pseudocode.instructions.special.LocalFunctionDeclarationInstruction
import org.jetbrains.kotlin.cfg.pseudocode.Pseudocode
import org.jetbrains.kotlin.cfg.pseudocode.instructions.Instruction
import org.jetbrains.kotlin.cfg.pseudocode.instructions.special.LocalFunctionDeclarationInstruction
import org.jetbrains.kotlin.cfg.pseudocode.instructions.special.SubroutineEnterInstruction
import org.jetbrains.kotlin.cfg.pseudocode.instructions.special.SubroutineSinkInstruction
import org.jetbrains.kotlin.cfg.pseudocodeTraverser.TraversalOrder.FORWARD
import java.util.*
fun Pseudocode.traverse(
traversalOrder: TraversalOrder,
@@ -109,26 +109,7 @@ private fun <I : ControlFlowInfo<*>> Pseudocode.collectDataFromSubgraph(
if (!isLocal && isStart)
continue
fun getPreviousIncludingSubGraphInstructions(): Collection<Instruction> {
val previous = instruction.getPreviousInstructions(traversalOrder)
if (instruction != startInstruction || previousSubGraphInstructions.isEmpty()) {
return previous
}
val result = ArrayList(previous)
result.addAll(previousSubGraphInstructions)
return result
}
val previousInstructions = getPreviousIncludingSubGraphInstructions()
fun updateEdgeDataForInstruction(
previousValue: Edges<I>?,
newValue: Edges<I>?
) {
if (previousValue != newValue && newValue != null) {
changed[0] = true
edgesMap.put(instruction, newValue)
}
}
val previousInstructions = getPreviousIncludingSubGraphInstructions(instruction, traversalOrder, startInstruction, previousSubGraphInstructions)
if (instruction is LocalFunctionDeclarationInstruction) {
val subroutinePseudocode = instruction.body
@@ -146,7 +127,7 @@ private fun <I : ControlFlowInfo<*>> Pseudocode.collectDataFromSubgraph(
else
Edges(updateEdge(lastInstruction, instruction, newValue.incoming),
updateEdge(lastInstruction, instruction, newValue.outgoing))
updateEdgeDataForInstruction(previousValue, updatedValue)
updateEdgeDataForInstruction(instruction, previousValue, updatedValue, edgesMap, changed)
continue
}
}
@@ -162,7 +143,30 @@ private fun <I : ControlFlowInfo<*>> Pseudocode.collectDataFromSubgraph(
}
}
val mergedData = mergeEdges(instruction, incomingEdgesData)
updateEdgeDataForInstruction(previousDataValue, mergedData)
updateEdgeDataForInstruction(instruction, previousDataValue, mergedData, edgesMap, changed)
}
}
private fun getPreviousIncludingSubGraphInstructions(
instruction: Instruction,
traversalOrder: TraversalOrder,
startInstruction: Instruction,
previousSubGraphInstructions: Collection<Instruction>
): Collection<Instruction> {
val previous = instruction.getPreviousInstructions(traversalOrder)
if (instruction != startInstruction || previousSubGraphInstructions.isEmpty()) {
return previous
}
val result = ArrayList(previous)
result.addAll(previousSubGraphInstructions)
return result
}
private fun <I : ControlFlowInfo<*>> updateEdgeDataForInstruction(
instruction: Instruction, previousValue: Edges<I>?, newValue: Edges<I>?, edgesMap: MutableMap<Instruction, Edges<I>>, changed: BooleanArray) {
if (previousValue != newValue && newValue != null) {
changed[0] = true
edgesMap.put(instruction, newValue)
}
}