Add LLVM br instruction

2 files changed, 16 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerInstructionTests.java b/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerInstructionTests.java
index 7e8f02cf..56955b92 100644
--- a/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerInstructionTests.java
+++ b/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerInstructionTests.java
@@ -24,6 +24,18 @@ public class LlvmIrSerializerInstructionTests {
 
         assertThat(result, equalTo("%x = add i64 %y, %z"));
     }
+    @Test
+    public void brIsSerializedWithOperandAndLabels() {
+        var instruction = LlvmIr.br(
+            LlvmIr.variableLocal("x"),
+            "ifTrue",
+            "ifFalse"
+        );
+
+        var result = serializeToString(instruction, LlvmIrSerializer::serializeTerminatorInstruction);
+
+        assertThat(result, equalTo("br i1 %x, label %ifTrue, label %ifFalse"));
+    }
 
     @Test
     public void canSerializeCallWithNoTargetAndNoArgs() {
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 a1eb8397..bfbba4a6 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
@@ -37,6 +37,10 @@ public class LlvmIr {
         return new LlvmBasicBlock(Optional.of(name), instructions, terminator);
     }
 
+    public static LlvmBr br(LlvmVariableLocal condition, String ifTrue, String ifFalse) {
+        return new LlvmBr(condition, ifTrue, ifFalse);
+    }
+
     public static LlvmCall call(
         LlvmType returnType,
         LlvmOperand functionPointer,