translator: rewrites hashcodes for classes

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMBooleanType.kt

@@ -63,10 +63,7 @@ class LLVMBooleanType() : LLVMType() {
     override fun isPrimitive() = true
 
     override val typename = "i1"
-    override fun hashCode(): Int {
+    override fun hashCode() =
-        var result = align
+            mangle().hashCode()
-        result = 31 * result + size
+
-        result = 31 * result + defaultValue.hashCode()
-        return result
-    }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMByteType.kt

@@ -33,10 +33,7 @@ class LLVMByteType() : LLVMType() {
     override val typename = "i8"
     override val defaultValue = "0"
     override fun isPrimitive() = true
-    override fun hashCode(): Int {
+    override fun hashCode() =
-        var result = align
+            mangle().hashCode()
-        result = 31 * result + size
+
-        result = 31 * result + defaultValue.hashCode()
-        return result
-    }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMCharType.kt

@@ -33,10 +33,7 @@ class LLVMCharType() : LLVMType() {
     override val typename = "i8"
     override val defaultValue = "0"
     override fun isPrimitive() = true
-    override fun hashCode(): Int {
+    override fun hashCode() =
-        var result = align
+            mangle().hashCode()
-        result = 31 * result + size
+
-        result = 31 * result + defaultValue.hashCode()
-        return result
-    }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMDoubleType.kt

@@ -53,10 +53,7 @@ class LLVMDoubleType() : LLVMType() {
     override val typename = "double"
     override val defaultValue = "0.0"
     override fun isPrimitive() = true
-    override fun hashCode(): Int {
+    override fun hashCode() =
-        var result = align
+            mangle().hashCode()
-        result = 31 * result + size
+
-        result = 31 * result + defaultValue.hashCode()
-        return result
-    }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMFloatType.kt

@@ -53,10 +53,7 @@ class LLVMFloatType() : LLVMType() {
     override val typename = "float"
     override val defaultValue = "0.0"
     override fun isPrimitive() = true
-    override fun hashCode(): Int {
+    override fun hashCode() =
-        var result = align
+            typename.hashCode()
-        result = 31 * result + size
+
-        result = 31 * result + defaultValue.hashCode()
-        return result
-    }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMFunctionType.kt

@@ -29,4 +29,12 @@ class LLVMFunctionType(type: KotlinType) : LLVMType() {
             "${returnType.type} (${arguments.map { it.getType() }.joinToString()})"
 
     override val typename = "FunctionType"
+
+    override fun hashCode() =
+            mangle().hashCode()
+
+    override fun equals(other: Any?): Boolean {
+        return (other is LLVMFunctionType) && (mangle() == other.mangle())
+    }
+
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMIntType.kt

@@ -81,10 +81,7 @@ class LLVMIntType() : LLVMType() {
 
     override val typename = "i32"
     override fun isPrimitive() = true
-    override fun hashCode(): Int{
+    override fun hashCode() =
-        var result = align
+            mangle().hashCode()
-        result = 31 * result + size
+
-        result = 31 * result + defaultValue.hashCode()
-        return result
-    }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMLongType.kt

@@ -76,10 +76,7 @@ class LLVMLongType() : LLVMType() {
     override fun mangle() = "Long"
     override val typename = "i64"
     override fun isPrimitive() = true
-    override fun hashCode(): Int {
+    override fun hashCode() =
-        var result = align
+            mangle().hashCode()
-        result = 31 * result + size
+
-        result = 31 * result + defaultValue.hashCode()
-        return result
-    }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMNullType.kt

@@ -8,4 +8,12 @@ class LLVMNullType() : LLVMType() {
     override fun mangle() = ""
 
     override val typename = ""
+
+    override fun equals(other: Any?): Boolean {
+        return other is LLVMNullType
+    }
+
+    override fun hashCode() =
+            "null".hashCode()
+
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMReferenceType.kt

@@ -31,4 +31,11 @@ class LLVMReferenceType(val type: String, var prefix: String = "", override val
 
     override fun operatorNeq(firstOp: LLVMSingleValue, secondOp: LLVMSingleValue): LLVMExpression =
             LLVMExpression(LLVMBooleanType(), "icmp ne ${firstOp.getType()} $firstOp, ${if (secondOp.type is LLVMNullType) "null" else "$secondOp"}")
+
+    override fun equals(other: Any?): Boolean {
+        return (other is LLVMReferenceType) and (typename.equals((other as LLVMReferenceType).typename))
+    }
+
+    override fun hashCode() =
+            typename.hashCode()
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMShortType.kt

@@ -33,10 +33,7 @@ class LLVMShortType() : LLVMType() {
     override fun mangle() = "Short"
     override val typename = "i16"
     override fun isPrimitive() = true
-    override fun hashCode(): Int {
+    override fun hashCode() =
-        var result = size
+            mangle().hashCode()
-        result = 31 * result + align
+
-        result = 31 * result + defaultValue.hashCode()
-        return result
-    }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMStringType.kt

@@ -18,6 +18,7 @@ class LLVMStringType(override val length: Int) : LLVMArray, LLVMType() {
     override val typename = "i8*"
     override fun fullType() = "[${length + 1} x i8]"
     override fun hashCode(): Int {
-        return length
+        return length * 31 +
+                mangle().hashCode()
     }
 }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMVoidType.kt

@@ -8,4 +8,8 @@ class LLVMVoidType() : LLVMType() {
 
     override fun mangle() = ""
     override val typename = "void"
+
+    override fun hashCode() =
+            typename.hashCode()
+
 }