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[JVM] Reuse visitNopInsn method in all Fast...Analyzer classes

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This commit is contained in:
Ivan Kylchik
2023-09-06 10:59:18 +02:00
committed by Space Team
parent ed95ebc585
commit 58473b94a7
4 changed files with 20 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/FastAnalyzer.kt
+6 -2
View File
@@ -103,9 +103,9 @@ abstract class FastAnalyzer<V : Value, I : Interpreter<V>, F : Frame<V>>(
}
}
protected fun processControlFlowEdge(current: F, insnNode: AbstractInsnNode, jump: Int) {
private fun processControlFlowEdge(current: F, insnNode: AbstractInsnNode, jump: Int, canReuse: Boolean = false) {
if (visitControlFlowEdge(insnNode, jump)) {
mergeControlFlowEdge(jump, current)
mergeControlFlowEdge(jump, current, canReuse)
}
}
@@ -148,6 +148,10 @@ abstract class FastAnalyzer<V : Value, I : Interpreter<V>, F : Frame<V>>(
}
}
protected fun visitNopInsn(insnNode: AbstractInsnNode, current: F, insn: Int) {
processControlFlowEdge(current, insnNode, insn + 1, canReuse = true)
}
private fun visitOpInsn(insnNode: AbstractInsnNode, current: F, insn: Int) {
processControlFlowEdge(current, insnNode, insn + 1)
}
compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/FastMethodAnalyzer.kt
+1 -1
View File
@@ -77,7 +77,7 @@ class FastMethodAnalyzer<V : Value>
insnType == AbstractInsnNode.FRAME ||
insnOpcode == Opcodes.NOP
) {
mergeControlFlowEdge(insnIndex + 1, currentlyAnalyzing, canReuse = true)
visitNopInsn(insnNode, currentlyAnalyzing, insnIndex)
} else {
current.init(currentlyAnalyzing).execute(insnNode, interpreter)
visitMeaningfulInstruction(insnNode, insnType, insnOpcode, current, insnIndex)
compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/fixStack/FastStackAnalyzer.kt
+7 -6
View File
@@ -36,7 +36,8 @@ package org.jetbrains.kotlin.codegen.optimization.fixStack
import org.jetbrains.kotlin.codegen.optimization.common.FastAnalyzer
import org.jetbrains.org.objectweb.asm.Opcodes
import org.jetbrains.org.objectweb.asm.Type
import org.jetbrains.org.objectweb.asm.tree.*
import org.jetbrains.org.objectweb.asm.tree.AbstractInsnNode
import org.jetbrains.org.objectweb.asm.tree.MethodNode
import org.jetbrains.org.objectweb.asm.tree.analysis.Frame
import org.jetbrains.org.objectweb.asm.tree.analysis.Interpreter
import org.jetbrains.org.objectweb.asm.tree.analysis.Value
@@ -66,7 +67,11 @@ internal open class FastStackAnalyzer<V : Value, F : Frame<V>>(
current: F,
handler: F,
) {
if (insnType == AbstractInsnNode.LABEL || insnType == AbstractInsnNode.LINE || insnType == AbstractInsnNode.FRAME) {
if (insnType == AbstractInsnNode.LABEL ||
insnType == AbstractInsnNode.LINE ||
insnType == AbstractInsnNode.FRAME ||
insnOpcode == Opcodes.NOP
) {
visitNopInsn(insnNode, currentlyAnalyzing, insnIndex)
} else {
current.init(currentlyAnalyzing)
@@ -88,10 +93,6 @@ internal open class FastStackAnalyzer<V : Value, F : Frame<V>>(
}
}
private fun visitNopInsn(insnNode: AbstractInsnNode, f: F, insn: Int) {
processControlFlowEdge(f, insnNode, insn + 1)
}
override fun mergeControlFlowEdge(dest: Int, frame: F, canReuse: Boolean) {
val oldFrame = getFrame(dest)
val changes = when {
compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/temporaryVals/FastStoreLoadAnalyzer.kt
+6 -2
View File
@@ -79,8 +79,12 @@ class FastStoreLoadAnalyzer<V : Value>(
current: StoreLoadFrame<V>,
handler: StoreLoadFrame<V>,
) {
if (insnType == AbstractInsnNode.LABEL || insnType == AbstractInsnNode.LINE || insnType == AbstractInsnNode.FRAME) {
mergeControlFlowEdge(insnIndex + 1, currentlyAnalyzing)
if (insnType == AbstractInsnNode.LABEL ||
insnType == AbstractInsnNode.LINE ||
insnType == AbstractInsnNode.FRAME ||
insnOpcode == Opcodes.NOP
) {
visitNopInsn(insnNode, currentlyAnalyzing, insnIndex)
} else {
current.init(currentlyAnalyzing).execute(insnNode, interpreter)
visitMeaningfulInstruction(insnNode, insnType, insnOpcode, current, insnIndex)