org.jetbrains.kotlin.backend.konan.optimizations.RemoveRedundantSafepointsPass.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package org.jetbrains.kotlin.backend.konan.optimizations

import llvm.*
import org.jetbrains.kotlin.backend.common.LoggingContext
import org.jetbrains.kotlin.backend.konan.llvm.*
import org.jetbrains.kotlin.backend.konan.llvm.getBasicBlocks
import org.jetbrains.kotlin.backend.konan.llvm.getFunctions
import org.jetbrains.kotlin.backend.konan.llvm.getInstructions
import org.jetbrains.kotlin.backend.konan.logMultiple

/**
 * Removes all Kotlin_mm_safePointFunctionPrologue from basic block except the first one.
 * Also, if first basic block in function contains call to Kotlin_mm_safePointFunctionPrologue, all other calls would be removed.
 * Also, calls, which are not removed are inlined (except arm32 apple targets)
 */
internal class RemoveRedundantSafepointsPass {
    fun runOnModule(module: LLVMModuleRef, isSafepointInliningAllowed: Boolean) {
        LLVMKotlinRemoveRedundantSafepoints(module, if (isSafepointInliningAllowed) 1 else 0)
    }
}