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diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/noSpecialBridgeIfPresentInSuperClass_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/noSpecialBridgeIfPresentInSuperClass.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/noSpecialBridgeIfPresentInSuperClass_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/noSpecialBridgeIfPresentInSuperClass.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/redundantStubForSize_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/redundantStubForSize.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/redundantStubForSize_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/redundantStubForSize.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/genericClass_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/genericClass.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/signatures/genericClass_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/signatures/genericClass.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsJavaMap_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsJavaMap.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsJavaMap_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsJavaMap.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsJavaMapWithCustomEntries_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsJavaMapWithCustomEntries.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsJavaMapWithCustomEntries_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsJavaMapWithCustomEntries.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsMap_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsMap.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsMap_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsMap.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsSortedMap_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsSortedMap.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsSortedMap_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsSortedMap.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/nonGenericClass_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/nonGenericClass.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/signatures/nonGenericClass_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/signatures/nonGenericClass.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/partiallySpecializedClass_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/signatures/partiallySpecializedClass.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/signatures/partiallySpecializedClass_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/signatures/partiallySpecializedClass.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/specialBridgeForGet_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/specialBridgeForGet.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/specialBridgeForGet_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/specialBridgeForGet.ir.txt
diff --git a/compiler/testData/codegen/bytecodeListing/specialBridges/unsignedArray_ir.txt b/compiler/testData/codegen/bytecodeListing/specialBridges/unsignedArray.ir.txt
similarity index 100%
rename from compiler/testData/codegen/bytecodeListing/specialBridges/unsignedArray_ir.txt
rename to compiler/testData/codegen/bytecodeListing/specialBridges/unsignedArray.ir.txt
diff --git a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/BytecodeListingHandler.kt b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/BytecodeListingHandler.kt
index c32a3f02911..1bc8a156b7a 100644
--- a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/BytecodeListingHandler.kt
+++ b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/BytecodeListingHandler.kt
@@ -45,7 +45,7 @@ class BytecodeListingHandler(testServices: TestServices) : JvmBinaryArtifactHand
 
         val sourceFile = testServices.moduleStructure.originalTestDataFiles.first()
         val defaultTxtFile = sourceFile.withExtension(".txt")
-        val irTxtFile = sourceFile.withSuffixAndExtension("_ir", ".txt")
+        val irTxtFile = sourceFile.withExtension(".ir.txt")
         val firTxtFile = sourceFile.withExtension(".fir.txt")
 
         val isFir = testServices.defaultsProvider.defaultFrontend == FrontendKinds.FIR
diff --git a/plugins/allopen/testData/bytecodeListing/allOpenOnNotClasses_ir.txt b/plugins/allopen/testData/bytecodeListing/allOpenOnNotClasses.ir.txt
similarity index 100%
rename from plugins/allopen/testData/bytecodeListing/allOpenOnNotClasses_ir.txt
rename to plugins/allopen/testData/bytecodeListing/allOpenOnNotClasses.ir.txt
diff --git a/plugins/allopen/testData/bytecodeListing/anonymousObject_ir.txt b/plugins/allopen/testData/bytecodeListing/anonymousObject.ir.txt
similarity index 100%
rename from plugins/allopen/testData/bytecodeListing/anonymousObject_ir.txt
rename to plugins/allopen/testData/bytecodeListing/anonymousObject.ir.txt
diff --git a/plugins/allopen/testData/bytecodeListing/privateMembers_ir.txt b/plugins/allopen/testData/bytecodeListing/privateMembers.ir.txt
similarity index 100%
rename from plugins/allopen/testData/bytecodeListing/privateMembers_ir.txt
rename to plugins/allopen/testData/bytecodeListing/privateMembers.ir.txt
diff --git a/plugins/allopen/testData/bytecodeListing/superClassAnnotation_ir.txt b/plugins/allopen/testData/bytecodeListing/superClassAnnotation.ir.txt
similarity index 100%
rename from plugins/allopen/testData/bytecodeListing/superClassAnnotation_ir.txt
rename to plugins/allopen/testData/bytecodeListing/superClassAnnotation.ir.txt
diff --git a/plugins/noarg/testData/bytecodeListing/annoOnNotClass_ir.txt b/plugins/noarg/testData/bytecodeListing/annoOnNotClass.ir.txt
similarity index 100%
rename from plugins/noarg/testData/bytecodeListing/annoOnNotClass_ir.txt
rename to plugins/noarg/testData/bytecodeListing/annoOnNotClass.ir.txt