[K/N] Remove LLVM coverage

The -Xcoverage feature has not worked and has been disabled for a while.
This fix removes it, and all of its uses.


Co-authored-by: Troels Lund <troels@google.com>


Merge-request: KOTLIN-MR-821
Merged-by: Alexander Shabalin <alexander.shabalin@jetbrains.com>

kotlin-native/backend.native/tests/samples/build.gradle.kts

@@ -58,7 +58,6 @@ val buildSamplesWithPlatformLibs by tasks.creating {
         dependsOn(":objc:assemble")
         dependsOn(":opengl:assemble")
         dependsOn(":uikit:assemble")
-        dependsOn(":coverage:assemble")
         dependsOn(":watchos:assemble")
     }
 

kotlin-native/backend.native/tests/samples/coverage/build.gradle.kts

@@ -1,49 +0,0 @@
-import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
-
-plugins {
-    kotlin("multiplatform")
-}
-
-kotlin {
-    // Determine host preset.
-    val hostOs = System.getProperty("os.name")
-    val isMingwX64 = hostOs.startsWith("Windows")
-
-    // Create a target for the host platform.
-    val hostTarget = when {
-        hostOs == "Mac OS X" -> macosX64("coverage")
-        hostOs == "Linux" -> linuxX64("coverage")
-        isMingwX64 -> mingwX64("coverage")
-        else -> throw GradleException("Host OS '$hostOs' is not supported in Kotlin/Native $project.")
-    }
-
-    hostTarget.apply {
-        binaries {
-            executable(listOf(DEBUG))
-        }
-        binaries.getTest("DEBUG").apply {
-            freeCompilerArgs += listOf("-Xlibrary-to-cover=${compilations["main"].output.classesDirs.singleFile.absolutePath}")
-        }
-    }
-
-    sourceSets {
-        val coverageMain by getting
-        val coverageTest by getting
-    }
-}
-
-tasks.create("createCoverageReport") {
-    dependsOn("coverageTest")
-
-    description = "Create coverage report"
-
-    doLast {
-        val testDebugBinary = kotlin.targets["coverage"].let { it as KotlinNativeTarget }.binaries.getTest("DEBUG").outputFile
-        exec {
-            commandLine("llvm-profdata", "merge", "$testDebugBinary.profraw", "-o", "$testDebugBinary.profdata")
-        }
-        exec {
-            commandLine("llvm-cov", "show", "$testDebugBinary", "-instr-profile", "$testDebugBinary.profdata")
-        }
-    }
-}

kotlin-native/backend.native/tests/samples/coverage/gradle.properties

@@ -1 +0,0 @@
-kotlin.code.style=official

kotlin-native/backend.native/tests/samples/coverage/src/coverageMain/kotlin/bar.kt

@@ -1,17 +0,0 @@
-fun baz(args: Array<String>) {
-    if (args.size > 4) {
-        println("Too many")
-    } else {
-        println("Fine")
-    }
-}
-
-class A {
-    init {
-        println("A::init")
-    }
-
-    fun f() {
-        println("A::f")
-    }
-}

kotlin-native/backend.native/tests/samples/coverage/src/coverageMain/kotlin/main.kt

@@ -1,3 +0,0 @@
-fun main() {
-    baz(arrayOf("abc"))
-}

kotlin-native/backend.native/tests/samples/coverage/src/coverageTest/kotlin/Tests.kt

@@ -1,15 +0,0 @@
-import kotlin.test.Test
-import kotlin.test.assertTrue
-
-class CoverageTests {
-    @Test
-    fun testHello() {
-        main()
-    }
-
-    @Test
-    fun testA() {
-        val a = A()
-        a.f()
-    }
-}

kotlin-native/backend.native/tests/samples/settings.gradle.kts

@@ -24,7 +24,6 @@ if (isMacos || isLinux || isWindows) {
     include(":libcurl")
     include(":videoplayer")
     include(":workers")
-    include(":coverage")
 }
 
 if (isMacos || isLinux) {