Files
swift-mirror/benchmark/single-source/DeadArray.swift
Karoy Lorentey 758c52bc2a [benchmark] Don't create array instance in modules with solitary benchmarks
It just produces unnecessary code sign churn.
2021-09-16 18:54:14 -07:00

48 lines
1.1 KiB
Swift

//===--- DeadArray.swift --------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// rdar://problem/20980377
import TestsUtils
public let benchmarks =
BenchmarkInfo(
name: "DeadArray",
runFunction: run_DeadArray,
tags: [.regression, .unstable],
legacyFactor: 200
)
@inline(__always)
func debug(_ m:String) {}
private var count = 0
@inline(never)
func bar() { count += 1 }
@inline(never)
func runLoop(_ var1: Int, var2: Int) {
for _ in 0..<500 {
debug("Var1: \(var1) Var2: \(var2)")
bar()
}
}
@inline(never)
public func run_DeadArray(_ n: Int) {
for _ in 1...n {
count = 0
runLoop(0, var2: 0)
}
check(count == 500)
}