From 6c5c070b4781ceffc843d72465ac8e928dac5ad3 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 17 Jun 2023 00:25:46 +0100
Subject: Add LLVM null operand

---
 .../java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java | 3 +++
 .../shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperand.java  | 2 +-
 .../compiler/backends/llvm/ir/ast/operands/LlvmOperandNull.java       | 4 ++++
 3 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperandNull.java

(limited to 'src/main/java')

diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java
index dc6eb3d3..01e7ed32 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java
@@ -113,6 +113,9 @@ public class LlvmIrSerializer {
             case LlvmOperandInt operandInt -> {
                 builder.append(operandInt.value());
             }
+            case LlvmOperandNull operandNull -> {
+                builder.append("null");
+            }
             case LlvmOperandStructure structure -> {
                 builder.append("{");
                 forEachInterspersed(
diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperand.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperand.java
index b53734fd..65998f2b 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperand.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperand.java
@@ -1,4 +1,4 @@
 package org.shedlang.compiler.backends.llvm.ir.ast.operands;
 
-public sealed interface LlvmOperand permits LlvmOperandArray, LlvmOperandInt, LlvmOperandPtrToInt, LlvmOperandStructure, LlvmVariable {
+public sealed interface LlvmOperand permits LlvmOperandArray, LlvmOperandInt, LlvmOperandNull, LlvmOperandPtrToInt, LlvmOperandStructure, LlvmVariable {
 }
diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperandNull.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperandNull.java
new file mode 100644
index 00000000..8e221276
--- /dev/null
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/operands/LlvmOperandNull.java
@@ -0,0 +1,4 @@
+package org.shedlang.compiler.backends.llvm.ir.ast.operands;
+
+public record LlvmOperandNull() implements LlvmOperand {
+}
-- 
cgit v1.2.3