llvm: fix usages of LLVMABIAlignmentOfType and LLVMABIOffsetOfElement

return value is in bytes, not bits

Author: tmarsteel

llvm-backend/src/main/kotlin/io/github/tmarsteel/emerge/backend/llvm/dsl/LlvmType.kt

@@ -283,7 +283,7 @@ abstract class LlvmNamedStructType(
         return diBuilder.createStructType(
             name,
             Llvm.LLVMSizeOfTypeInBits(diBuilder.context.targetData.ref, rawStructType).toULong(),
-            Llvm.LLVMABIAlignmentOfType(diBuilder.context.targetData.ref, rawStructType).toUInt(),
+            Llvm.LLVMABIAlignmentOfType(diBuilder.context.targetData.ref, rawStructType).toUInt() * 8u,
             flags,
             null,
             declaredAt,
@@ -378,7 +378,7 @@ class LlvmArrayType<Element : LlvmType>(
         return diBuilder.createArrayType(
             elementType.getDiType(diBuilder),
             elementCount.toULong(),
-            Llvm.LLVMABIAlignmentOfType(diBuilder.context.targetData.ref, getRawInContext(diBuilder.context)).toUInt(),
+            Llvm.LLVMABIAlignmentOfType(diBuilder.context.targetData.ref, getRawInContext(diBuilder.context)).toUInt() * 8u,
         )
     }
 

llvm-backend/src/main/kotlin/io/github/tmarsteel/emerge/backend/llvm/intrinsics/EmergeClassType.kt

@@ -137,7 +137,7 @@ internal class EmergeClassType private constructor(
         diStructType = diBuilder.createStructType(
             irClass.canonicalName.toString(),
             Llvm.LLVMSizeOfTypeInBits(context.targetData.ref, structRef).toULong(),
-            Llvm.LLVMABIAlignmentOfType(context.targetData.ref, structRef).toUInt(),
+            Llvm.LLVMABIAlignmentOfType(context.targetData.ref, structRef).toUInt() * 8u,
             NativeI32FlagGroup(),
             irClass.memberVariables
                 .filter { it.readStrategy is IrClass.MemberVariable.AccessStrategy.BareField && it.writeStrategy is IrClass.MemberVariable.AccessStrategy.BareField }
@@ -152,7 +152,7 @@ internal class EmergeClassType private constructor(
                         irMember.name,
                         memberDiType.sizeInBits,
                         memberDiType.alignInBits,
-                        Llvm.LLVMOffsetOfElement(diBuilder.context.targetData.ref, structRef, field.indexInLlvmStruct!!).toULong(),
+                        Llvm.LLVMOffsetOfElement(diBuilder.context.targetData.ref, structRef, field.indexInLlvmStruct!!).toULong() * 8u,
                         memberDiType,
                         NativeI32FlagGroup(),
                         irMember.declaredAt,