From ec8c8748296229cbfda3fbf1580c9dd37cc45a89 Mon Sep 17 00:00:00 2001
From: lzkk <956449176@qq.com>
Date: Thu, 28 May 2026 19:32:57 +0800
Subject: [PATCH] =?UTF-8?q?fix(ir):=20LoopUnroll=20=E9=99=90=E5=88=B6=20i3?=
 =?UTF-8?q?2=20=E5=87=BD=E6=95=B0=20+=20=E6=94=AF=E6=8C=81=20float=20cast?=
 =?UTF-8?q?=20=E5=85=8B=E9=9A=86?=
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- 跳过非 i32 返回值函数（float 循环体含不支持的浮点二元操作）
- 添加 SIToFP/FPToSI 到 CloneInstruction
- 修复 35_math/38_light2d 编译崩溃

门禁：functional 99/100, h_functional 40/40
---
 src/ir/passes/LoopUnroll.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/ir/passes/LoopUnroll.cpp b/src/ir/passes/LoopUnroll.cpp
index 21ec1dc1..8c1fceb4 100644
--- a/src/ir/passes/LoopUnroll.cpp
+++ b/src/ir/passes/LoopUnroll.cpp
@@ -122,6 +122,11 @@ static std::unique_ptr<Instruction> CloneInstruction(
       return std::make_unique<CastInst>(op, inst->GetType(),
                                         map(cast->GetOperandValue()), ctx.NextTemp());
     }
+    case Opcode::SIToFP: case Opcode::FPToSI: {
+      auto* cast = static_cast<CastInst*>(inst);
+      return std::make_unique<CastInst>(op, inst->GetType(),
+                                        map(cast->GetOperandValue()), ctx.NextTemp());
+    }
     case Opcode::Br: {
       auto* br = static_cast<BranchInst*>(inst);
       return std::make_unique<BranchInst>(inst->GetType(), br->GetTarget());
@@ -223,6 +228,8 @@ void RunLoopUnroll(Module& module) {
   int unrolled = 0;
   for (auto& func : module.GetFunctions()) {
     if (func->IsExternal()) continue;
+    // 只处理 i32 返回值函数（float 循环体含不支持克隆的操作）
+    if (!func->GetType()->IsInt32()) continue;
     bool changed = true;
     while (changed) {
       changed = false;