From 2d63d2471c93613172f973521c05086ec1221b4b Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 14 Jun 2023 19:37:57 +0100
Subject: Add LlvmIntToPtr instruction

---
 .../llvm/ir/LlvmIrSerializerInstructionTests.java  | 14 +++++++++++
 .../compiler/backends/llvm/ir/ast/LlvmIr.java      | 28 +++++++++++++++-------
 2 files changed, 33 insertions(+), 9 deletions(-)

(limited to 'src/test/java')

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 f49994f2..a48260e7 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
@@ -78,6 +78,20 @@ public class LlvmIrSerializerInstructionTests {
         assertThat(result, equalTo("$x = getelementptr [0 x {i64, i32}], ptr $y, i64 3, i32 1"));
     }
 
+    @Test
+    public void intToPtrIsSerialized() {
+        var instruction = LlvmIr.intToPtr(
+            LlvmIr.variableLocal("x"),
+            LlvmTypes.INT_64,
+            LlvmIr.variableLocal("y"),
+            LlvmTypes.pointer(LlvmTypes.INT_8)
+        );
+
+        var result = serializeToString(instruction, LlvmIrSerializer::serializeInstruction);
+
+        assertThat(result, equalTo("$x = inttoptr i64 $y to i8 *"));
+    }
+
     @Test
     public void storeIsSerialized() {
         var instruction = LlvmIr.store(
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 24a9f44a..3f65165e 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
@@ -4,6 +4,7 @@ import org.shedlang.compiler.backends.llvm.ir.ast.instructions.*;
 import org.shedlang.compiler.backends.llvm.ir.ast.operands.*;
 import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmType;
 import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmTypePointer;
+import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmTypeScalar;
 
 import java.util.List;
 import java.util.Optional;
@@ -36,6 +37,15 @@ public class LlvmIr {
         return new LlvmBasicBlock(Optional.of(name), instructions, terminator);
     }
 
+    public static LlvmCall call(
+        LlvmVariable target,
+        LlvmType returnType,
+        LlvmOperand functionPointer,
+        List<LlvmTypedOperand> args
+    ) {
+        return new LlvmCall(target, returnType, functionPointer, args);
+    }
+
     public static LlvmGetElementPtr getElementPtr(
         LlvmVariable target,
         LlvmTypePointer pointerType,
@@ -45,6 +55,15 @@ public class LlvmIr {
         return new LlvmGetElementPtr(target, pointerType, pointer, indexes);
     }
 
+    public static LlvmIntToPtr intToPtr(
+        LlvmVariable target,
+        LlvmTypeScalar sourceType,
+        LlvmOperand value,
+        LlvmTypePointer targetType
+    ) {
+        return new LlvmIntToPtr(target, sourceType, value, targetType);
+    }
+
     public static LlvmOperand operandArray(
         LlvmType type,
         List<LlvmOperand> elements
@@ -103,13 +122,4 @@ public class LlvmIr {
     public static LlvmVariableLocal variableLocal(String name) {
         return new LlvmVariableLocal(name);
     }
-
-    public static LlvmCall call(
-        LlvmVariable target,
-        LlvmType returnType,
-        LlvmOperand functionPointer,
-        List<LlvmTypedOperand> args
-    ) {
-        return new LlvmCall(target, returnType, functionPointer, args);
-    }
 }
-- 
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