[K/N] Replace safe points after EnterFrame to allow LLVM reemove repeated instructions

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/CodeGenerator.kt

@@ -1516,12 +1516,17 @@ internal abstract class FunctionGenerationContext(
                 check(!forbidRuntime) { "Attempt to init runtime where runtime usage is forbidden" }
                 call(context.llvm.initRuntimeIfNeeded, emptyList())
             }
-            handlePrologueExperimentalMM()
+            if (switchToRunnable) {
+                switchThreadState(Runnable)
+            }
             if (needSlots || needCleanupLandingpadAndLeaveFrame) {
                 call(context.llvm.enterFrameFunction, listOf(slotsPhi!!, Int32(vars.skipSlots).llvm, Int32(slotCount).llvm))
             } else {
                 check(!setCurrentFrameIsCalled)
             }
+            if (context.memoryModel == MemoryModel.EXPERIMENTAL && !forbidRuntime) {
+                call(context.llvm.Kotlin_mm_safePointFunctionPrologue, emptyList())
+            }
             resetDebugLocation()
             br(entryBb)
         }
@@ -1575,15 +1580,6 @@ internal abstract class FunctionGenerationContext(
         handleEpilogueExperimentalMM()
     }
 
-    private fun handlePrologueExperimentalMM() {
-        if (switchToRunnable) {
-            switchThreadState(Runnable)
-        }
-        if (context.memoryModel == MemoryModel.EXPERIMENTAL && !forbidRuntime) {
-            call(context.llvm.Kotlin_mm_safePointFunctionPrologue, emptyList())
-        }
-    }
-
     private fun handleEpilogueExperimentalMM() {
         if (switchToRunnable) {
             check(!forbidRuntime) { "Generating a bridge when runtime is forbidden" }