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JVM don't optimize methods with too many TCBs

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This commit is contained in:
Dmitry Petrov
2021-07-15 16:14:20 +03:00
committed by teamcityserver
parent d65d66c03a
commit b98322c1b4
1 changed files with 8 additions and 1 deletions
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compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/OptimizationMethodVisitor.kt
+8 -1
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@@ -72,14 +72,21 @@ class OptimizationMethodVisitor(
}
companion object {
private val MEMORY_LIMIT_BY_METHOD_MB = 50
private const val MEMORY_LIMIT_BY_METHOD_MB = 50
private const val TRY_CATCH_BLOCKS_LIMIT = 512
fun canBeOptimized(node: MethodNode): Boolean {
if (node.tryCatchBlocks.size > TRY_CATCH_BLOCKS_LIMIT)
return false
val totalFramesSizeMb = node.instructions.size() * (node.maxLocals + node.maxStack) / (1024 * 1024)
return totalFramesSizeMb < MEMORY_LIMIT_BY_METHOD_MB
}
fun canBeOptimizedUsingSourceInterpreter(node: MethodNode): Boolean {
if (node.tryCatchBlocks.size > TRY_CATCH_BLOCKS_LIMIT)
return false
val frameSize = node.maxLocals + node.maxStack
val methodSize = node.instructions.size().toLong()
val totalFramesSizeMb = methodSize * methodSize * frameSize / (1024 * 1024)