public Value CreateAttributeSingleton(AttributeType type)
{
if (type.Members.Count != 0)
{
throw new CompilerBugException();
}
var name = "singleton_" + type.GetMangledName();
var attr = LlvmModule.GetNamedGlobal(name);
if (attr != null)
{
goto Ret;
}
attr = LlvmModule.AddGlobal(type, name);
attr.Initializer = LLVMValueRef.CreateConstNamedStruct(type, ReadOnlySpan <LLVMValueRef> .Empty);
Ret:
return(new Value
{
Type = type,
LlvmValue = attr,
});
}
private LLVMSymbolTable ProcessGlobals(LLVMModuleRef mod, LLVMExecutionEngineRef engine,
Dictionary <string, GCHandle> globals)
{
var res = new LLVMSymbolTable(null);
foreach (var kv in globals)
{
var gs = mod.AddGlobal(LLVMTypeRef.Int32, kv.Key);
engine.AddGlobalMapping(gs, kv.Value.AddrOfPinnedObject());
res.Add(kv.Key, gs);
}
return(res);
}
public void AlignmentTest()
{
LLVMModuleRef m = LLVMModuleRef.CreateWithName("netscripten");
m.Target = "wasm32-unknown-unknown-wasm";
m.DataLayout = "e-m:e-p:32:32-i64:64-n32:64-S128";
LLVMExecutionEngineRef engineRef = m.CreateExecutionEngine();
LLVMTargetDataRef target = engineRef.TargetData;
LLVMTypeRef testStruct = LLVMTypeRef.CreateStruct(
new[]
{
LLVMTypeRef.Int16,
LLVMTypeRef.Int32
}, true);
Assert.AreEqual(1, target.ABIAlignmentOfType(testStruct));
Assert.AreEqual(1, target.CallFrameAlignmentOfType(testStruct));
Assert.AreEqual(8, target.PreferredAlignmentOfType(testStruct));
LLVMValueRef global = m.AddGlobal(LLVMTypeRef.CreatePointer(LLVMTypeRef.Int8, 0), "someGlobal");
Assert.AreEqual(4, target.PreferredAlignmentOfGlobal(global));
}