Set exit code of produced binaries

1 files changed, 4 insertions, 3 deletions

diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompiler.java b/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompiler.java
index b3100c65..143cdd79 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompiler.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompiler.java
@@ -4,7 +4,6 @@ import org.shedlang.compiler.ast.typed.FreeVariables;
 import org.shedlang.compiler.backends.llvm.ir.ast.*;
 import org.shedlang.compiler.backends.llvm.ir.ast.instructions.LlvmCall;
 import org.shedlang.compiler.backends.llvm.ir.ast.instructions.LlvmReturn;
-import org.shedlang.compiler.backends.llvm.ir.ast.instructions.LlvmReturnVoid;
 import org.shedlang.compiler.backends.llvm.ir.ast.operands.LlvmOperand;
 import org.shedlang.compiler.backends.llvm.ir.ast.operands.LlvmOperandInt;
 import org.shedlang.compiler.backends.llvm.ir.ast.operands.LlvmOperandPtrToInt;
@@ -57,7 +56,9 @@ public class LlvmCompiler {
 
         mainContext = LlvmCompilerClosures.call(field, mainContext, List.of());
 
-        mainContext = mainContext.addTerminatorInstruction(new LlvmReturnVoid());
+        mainContext = mainContext.addTerminatorInstruction(
+            new LlvmReturn(LlvmTypes.INT_32, new LlvmOperandInt(0))
+        );
 
         var mainBasicBlocksResult = context.exitFunction(mainContext);
         var mainBasicBlocks = mainBasicBlocksResult.value();
@@ -65,7 +66,7 @@ public class LlvmCompiler {
 
         context = context.addTopLevelEntity(new LlvmFunctionDefinition(
             "main",
-            LlvmTypes.VOID,
+            LlvmTypes.INT_32,
             List.of(),
             mainBasicBlocks
         ));