Add LLVM unreachable instruction

2 files changed, 13 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerTerminatorInstructionTests.java b/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerTerminatorInstructionTests.java
index dc837e8d..992fcebe 100644
--- a/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerTerminatorInstructionTests.java
+++ b/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerTerminatorInstructionTests.java
@@ -28,4 +28,13 @@ public class LlvmIrSerializerTerminatorInstructionTests {
 
         assertThat(result, equalTo("ret void"));
     }
+
+    @Test
+    public void unreachableIsSerialized() throws IOException {
+        var instruction = LlvmIr.unreachable();
+
+        var result = serializeToString(instruction, LlvmIrSerializer::serializeTerminatorInstruction);
+
+        assertThat(result, equalTo("unreachable"));
+    }
 }
diff --git a/src/test/java/org/shedlang/compiler/backends/llvm/ir/ast/LlvmIr.java b/src/test/java/org/shedlang/compiler/backends/llvm/ir/ast/LlvmIr.java
index 3a317c3d..0da16362 100644
--- a/src/test/java/org/shedlang/compiler/backends/llvm/ir/ast/LlvmIr.java
+++ b/src/test/java/org/shedlang/compiler/backends/llvm/ir/ast/LlvmIr.java
@@ -203,6 +203,10 @@ public class LlvmIr {
         return new LlvmTypedOperand(type, value);
     }
 
+    public static LlvmUnreachable unreachable() {
+        return new LlvmUnreachable();
+    }
+
     public static LlvmVariableGlobal variableGlobal(String name) {
         return new LlvmVariableGlobal(name);
     }