translator: fix for return class and strings

translator/src/main/kotlin/org/kotlinnative/translator/BlockCodegen.kt

@@ -493,7 +493,11 @@ abstract class BlockCodegen(val state: TranslationState, val variableManager: Va
                 args.addAll(names)
 
                 codeBuilder.addLLVMCode(LLVMCall(LLVMVoidType(), function.toString(), args).toString())
-                return codeBuilder.loadAndGetVariable(returnVar)
+                if (returnVar.pointer == 2) {
+                    return returnVar
+                } else {
+                    return codeBuilder.loadAndGetVariable(returnVar)
+                }
             }
             else -> {
                 val result = codeBuilder.getNewVariable(returnType)
@@ -1027,7 +1031,8 @@ abstract class BlockCodegen(val state: TranslationState, val variableManager: Va
                     allocVar.kotlinName = identifier
 
                     variableManager.addVariable(identifier, allocVar, scopeDepth)
-                    codeBuilder.copyVariable(assignExpression, allocVar)
+
+                    addPrimitiveBinaryOperation(KtTokens.EQ, null, allocVar, assignExpression)
                 } else {
                     assignExpression.kotlinName = identifier
                     variableManager.addVariable(identifier, assignExpression, scopeDepth)

translator/src/main/kotlin/org/kotlinnative/translator/llvm/LLVMBuilder.kt

@@ -123,8 +123,12 @@ class LLVMBuilder(val arm: Boolean = false) {
     }
 
     fun storeVariable(target: LLVMSingleValue, source: LLVMSingleValue) {
-        val code = "store ${source.getType()} $source, ${target.getType()} $target, align ${source.type?.align!!}"
-        localCode.appendln(code)
+        if ((source.type is LLVMStringType) && (!(source.type as LLVMStringType).isLoaded)) {
+            storeString(target as LLVMVariable, source as LLVMVariable, 0)
+        } else {
+            val code = "store ${source.getType()} $source, ${target.getType()} $target, align ${source.type?.align!!}"
+            localCode.appendln(code)
+        }
     }
 
     fun storeNull(result: LLVMVariable) {

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

@@ -8,11 +8,11 @@ class LLVMFloatType() : LLVMType() {
 
     //TODO switch by types: int + double = int
     override fun operatorMinus(firstOp: LLVMSingleValue, secondOp: LLVMSingleValue): LLVMExpression =
-            LLVMExpression(LLVMFloatType(), "fsub float i32 $firstOp, $secondOp")
+            LLVMExpression(LLVMFloatType(), "fsub float $firstOp, $secondOp")
 
     //TODO switch by types: int + double = int
     override fun operatorTimes(firstOp: LLVMSingleValue, secondOp: LLVMSingleValue): LLVMExpression =
-            LLVMExpression(LLVMFloatType(), "fmul float i32 $firstOp, $secondOp")
+            LLVMExpression(LLVMFloatType(), "fmul float $firstOp, $secondOp")
 
     //TODO switch by types: int + double = int
     override fun operatorPlus(firstOp: LLVMSingleValue, secondOp: LLVMSingleValue): LLVMExpression =