Fixed some alignment differences between LLVM and BeefBE

IDEHelper/Backend/BeCOFFObject.cpp

@@ -1829,12 +1829,16 @@ void BeCOFFObject::InitSect(BeCOFFSection& sect, const StringImpl& name, int cha
 		MarkSectionUsed(sect, makeSectSymbol);
 }
 
-void BeCOFFObject::WriteConst(BeCOFFSection& sect, BeConstant* constVal)
+void BeCOFFObject::AlignConst(BeCOFFSection& sect, BeConstant* constVal)
 {
 	auto beType = constVal->GetType();
 	sect.mAlign = BF_MAX(sect.mAlign, beType->mAlign);
 	sect.mData.Align(beType->mAlign);
+}
 
+void BeCOFFObject::WriteConst(BeCOFFSection& sect, BeConstant* constVal)
+{	
+	auto beType = constVal->GetType();	
 	if (auto globalVar = BeValueDynCast<BeGlobalVariable>(constVal))
 	{
 		auto sym = GetSymbol(globalVar);
@@ -1882,13 +1886,6 @@ void BeCOFFObject::WriteConst(BeCOFFSection& sect, BeConstant* constVal)
 		else
 			BF_FATAL("Invalid StructConst type");
 	}	
-	else if (auto constArr = BeValueDynCast<BeStructConstant>(constVal))
-	{
-		for (auto member : constArr->mMemberValues)
-		{
-			WriteConst(sect, member);
-		}
-	}
 	else if (auto constStr = BeValueDynCast<BeStringConstant>(constVal))
 	{
 		sect.mData.Write((void*)constStr->mString.c_str(), (int)constStr->mString.length() + 1);
@@ -2013,6 +2010,11 @@ void BeCOFFObject::Generate(BeModule* module)
 
 			BF_ASSERT(globalVar->mAlign != -1);
 
+			if (globalVar->mName == "sBfTypeData._J")
+			{
+				NOP;
+			}
+
 			if (globalVar->mIsConstant)
 			{
 				auto constVal = BeValueDynCast<BeConstant>(globalVar->mInitializer);
@@ -2021,9 +2023,9 @@ void BeCOFFObject::Generate(BeModule* module)
 				sym->mSectionNum = mRDataSect.mSectionIdx + 1;
 				mRDataSect.mData.Align(globalVar->mAlign);
 				mRDataSect.mAlign = BF_MAX(mRDataSect.mAlign, globalVar->mAlign);
-				sym->mValue = mRDataSect.mData.GetSize();
-				//mRDataSect.mSizeOverride += globalVar->mType->mSize;
 
+				AlignConst(mRDataSect, constVal);
+				sym->mValue = mRDataSect.mData.GetSize();				
 				WriteConst(mRDataSect, constVal);
 			}
 			else if (globalVar->mIsTLS)

IDEHelper/Backend/BeCOFFObject.h

@@ -272,6 +272,7 @@ public:
 	void DbgEndLineBlock(BeDbgFunction* dbgFunc, const Array<BeDbgCodeEmission>& emissions, int blockStartPos, int emissionStartIdx, int lineCount);
 	void DbgGenerateModuleInfo();	
 	void InitSect(BeCOFFSection& sect, const StringImpl& name, int characteristics, bool addNow, bool makeSectSymbol);
+	void AlignConst(BeCOFFSection& sect, BeConstant* constVal);
 	void WriteConst(BeCOFFSection& sect, BeConstant* constVal);
 	
 	void Generate(BeModule* module);

IDEHelper/Backend/BeContext.cpp

@@ -108,6 +108,9 @@ void BeContext::SetStructBody(BeStructType* structType, const SizedArrayImpl<BeT
 		member.mType = beType;
 		member.mByteOffset = dataPos;
 		dataPos += beType->mSize;
+		if (packed)
+			structType->mAlign = 1;
+		else
 			structType->mAlign = std::max(structType->mAlign, beType->mAlign);
 		structType->mMembers.push_back(member);
 	}

IDEHelper/Compiler/BfIRBuilder.cpp

@@ -2540,6 +2540,7 @@ void BfIRBuilder::CreateDbgTypeDefinition(BfType* type)
 								if (wasMadeAddr)
 									useType = mModule->CreatePointerType(useType);
 								staticValue = CreateGlobalVariable(mModule->mBfIRBuilder->MapType(useType), true, BfIRLinkageType_Internal, staticValue, staticVarName);
+								GlobalVar_SetAlignment(staticValue, useType->mAlign);
 							}
 
 							int flags = 0;

IDEHelper/Compiler/BfIRBuilder.h

@@ -715,6 +715,7 @@ struct BfGlobalVar
 	int mStreamId;
 	BfIRValue mInitializer;
 	bool mIsTLS;	
+	int mAlignment;
 };
 
 struct BfGlobalVar_TypeInst

IDEHelper/Compiler/BfModule.cpp

@@ -3153,6 +3153,7 @@ void BfModule::CreateStaticField(BfFieldInstance* fieldInstance, bool isThreadLo
 				initValue,
 				staticVarName,					
 				isThreadLocal);
+			mBfIRBuilder->GlobalVar_SetAlignment(globalVar, fieldType->mAlign);
 			
 			BF_ASSERT(globalVar);
 			mStaticFieldRefs[fieldInstance] = globalVar;
@@ -4460,6 +4461,7 @@ BfIRValue BfModule::CreateTypeData(BfType* type, Dictionary<int, int>& usedStrin
 				auto pointerTypeData = mBfIRBuilder->CreateConstStruct(mBfIRBuilder->MapTypeInst(reflectPointerType, BfIRPopulateType_Full), pointerTypeDataParms);
 				typeDataVar = mBfIRBuilder->CreateGlobalVariable(mBfIRBuilder->MapTypeInst(reflectPointerType), true,
 					BfIRLinkageType_External, pointerTypeData, typeDataName);				
+
 				typeDataVar = mBfIRBuilder->CreateBitCast(typeDataVar, mBfIRBuilder->MapType(mContext->mBfTypeType));
 			}
 			else if (type->IsSizedArray())
@@ -4487,6 +4489,7 @@ BfIRValue BfModule::CreateTypeData(BfType* type, Dictionary<int, int>& usedStrin
 		else
 			typeDataVar = mBfIRBuilder->CreateConstNull(mBfIRBuilder->MapType(mContext->mBfTypeType));
 		
+		mBfIRBuilder->GlobalVar_SetAlignment(typeDataVar, mSystem->mPtrSize);
 		mTypeDataRefs[typeInstance] = typeDataVar;
 
 		return typeDataVar;

IDEHelper/DbgExprEvaluator.cpp

@@ -4629,6 +4629,7 @@ void DbgExprEvaluator::Visit(BfIndexerExpression* indexerExpr)
 		return;
 	}
 	DbgTypedValue indexArgument = indexerValues[0];	
+	indexArgument.mType = indexArgument.mType->RemoveModifiers();
 	if (!indexArgument.mType->IsInteger())
 	{
 		mResult = DbgTypedValue();

IDEHelper/Tests/src/Arrays.bf

@@ -0,0 +1,31 @@
+using System;
+namespace Tests
+{
+	class Arrays
+	{
+		struct StructA
+		{
+			public int16 mA = 11;
+			public int16 mB = 22;
+			public int16 mC = 33;
+		}
+
+		[Test]
+		public static void TestPacking()
+		{
+			StructA[] arr = scope .[3](.(), );
+
+			ref StructA sa = ref arr[0];
+			Test.Assert(sa.mA == 11);
+			Test.Assert(sa.mB == 22);
+			Test.Assert(sa.mC == 33);
+
+#if BF_64_BIT
+			/*int a = (int)(void*)&sa - (int)Internal.UnsafeCastToPtr(arr);
+			int b = typeof(System.Array).InstanceSize;
+
+			Test.Assert((int)(void*)&sa - (int)Internal.UnsafeCastToPtr(arr) == sizeof(System.Array));*/
+#endif
+		}
+	}
+}

IDEHelper/Tests/src/Reflection.bf

@@ -97,6 +97,15 @@ namespace Tests
 			public float mD = 4;
 		}
 
+		[Test]
+		static void TestTypes()
+		{
+			Type t = typeof(int32);
+			Test.Assert(t.InstanceSize == 4);
+			t = typeof(int64);
+			Test.Assert(t.InstanceSize == 8);
+		}
+
 		[Test]
 		static void TestA()
 		{