From b91dcea010435d1313f4743a3bb46827081d89c8 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 14 Jun 2023 18:40:02 +0100
Subject: Add LLVM call instruction

---
 .../shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java | 12 ++++++++++++
 .../compiler/backends/llvm/ir/ast/instructions/LlvmCall.java | 12 +++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

(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 bc23c195..9bceaf45 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
@@ -40,6 +40,18 @@ public class LlvmIrSerializer {
                 serializeOperand(add.right(), builder);
             }
             case LlvmCall call -> {
+                serializeVariable(call.target(), builder);
+                builder.append(" = call ");
+                serializeType(call.returnType(), builder);
+                builder.append(" ");
+                serializeOperand(call.functionPointer(), builder);
+                builder.append("(");
+                forEachInterspersed(
+                    call.args(),
+                    arg -> serializeTypedOperand(arg, builder),
+                    () -> builder.append(", ")
+                );
+                builder.append(")");
             }
             case LlvmGetElementPtr getElementPtr -> {
                 serializeVariable(getElementPtr.target(), builder);
diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/instructions/LlvmCall.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/instructions/LlvmCall.java
index 38e9ccb2..4851fc5e 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/instructions/LlvmCall.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/instructions/LlvmCall.java
@@ -1,6 +1,16 @@
 package org.shedlang.compiler.backends.llvm.ir.ast.instructions;
 
-public record LlvmCall(
+import org.shedlang.compiler.backends.llvm.ir.ast.operands.LlvmOperand;
+import org.shedlang.compiler.backends.llvm.ir.ast.operands.LlvmTypedOperand;
+import org.shedlang.compiler.backends.llvm.ir.ast.operands.LlvmVariable;
+import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmType;
+
+import java.util.List;
 
+public record LlvmCall(
+    LlvmVariable target,
+    LlvmType returnType,
+    LlvmOperand functionPointer,
+    List<LlvmTypedOperand> args
 ) implements LlvmInstruction {
 }
-- 
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