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Fixed some lowering of Win32 structs by value

This commit is contained in:
Brian Fiete 2020-03-09 11:46:40 -07:00
parent 611ab328d2
commit 686050a68b
4 changed files with 81 additions and 10 deletions

View file

@ -4564,10 +4564,19 @@ BfTypedValue BfExprEvaluator::CreateCall(BfMethodInstance* methodInstance, BfIRV
//byval //byval
} }
else else
{ {
mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_NoCapture);
mModule->PopulateType(paramType, BfPopulateType_Data); mModule->PopulateType(paramType, BfPopulateType_Data);
addDeref = paramType->mSize;
auto typeInst = paramType->ToTypeInstance();
if ((typeInst != NULL) && (typeInst->mIsCRepr) && (typeInst->IsSplattable()))
{
// We're splatting
}
else
{
mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_NoCapture);
addDeref = paramType->mSize;
}
} }
} }
else if (paramType->IsPrimitiveType()) else if (paramType->IsPrimitiveType())
@ -4822,9 +4831,15 @@ void BfExprEvaluator::PushArg(BfTypedValue argVal, SizedArrayImpl<BfIRValue>& ir
return; return;
bool wantSplat = false; bool wantSplat = false;
if ((argVal.mType->IsSplattable()) && (!disableSplat)) if (argVal.mType->IsSplattable())
{ {
if ((int)irArgs.size() + argVal.mType->GetSplatCount() <= mModule->mCompiler->mOptions.mMaxSplatRegs) auto argTypeInstance = argVal.mType->ToTypeInstance();
if ((argTypeInstance != NULL) && (argTypeInstance->mIsCRepr))
{
// Always splat for crepr splattables
wantSplat = true;
}
else if ((!disableSplat) && (int)irArgs.size() + argVal.mType->GetSplatCount() <= mModule->mCompiler->mOptions.mMaxSplatRegs)
wantSplat = true; wantSplat = true;
} }

View file

@ -5495,7 +5495,7 @@ BfIRValue BfModule::CreateTypeData(BfType* type, Dictionary<int, int>& usedStrin
BfIRType fieldDataPtrType = mBfIRBuilder->GetPointerTo(reflectFieldDataIRType); BfIRType fieldDataPtrType = mBfIRBuilder->GetPointerTo(reflectFieldDataIRType);
if (fieldTypes.size() == 0) if (fieldTypes.size() == 0)
{ {
if ((type->IsSplattable()) && (type->IsStruct()) && (!type->IsValuelessType())) if ((type->IsSplattable()) && (type->IsStruct()) && (!type->IsValuelessType()) && (!typeInstance->mIsCRepr))
{ {
BfTypeInstance* reflectFieldSplatDataType = ResolveTypeDef(mCompiler->mReflectFieldSplatDataDef)->ToTypeInstance(); BfTypeInstance* reflectFieldSplatDataType = ResolveTypeDef(mCompiler->mReflectFieldSplatDataDef)->ToTypeInstance();
@ -14067,7 +14067,13 @@ void BfModule::SetupIRMethod(BfMethodInstance* methodInstance, BfIRFunction func
isSplattable = true; isSplattable = true;
else if (resolvedTypeRef->IsSplattable()) else if (resolvedTypeRef->IsSplattable())
{ {
if (resolvedTypeRef->GetSplatCount() + argIdx <= mCompiler->mOptions.mMaxSplatRegs) auto resolvedTypeInst = resolvedTypeRef->ToTypeInstance();
if ((resolvedTypeInst != NULL) && (resolvedTypeInst->mIsCRepr))
{
// crepr splat is always splattable
isSplattable = true;
}
else if (resolvedTypeRef->GetSplatCount() + argIdx <= mCompiler->mOptions.mMaxSplatRegs)
isSplattable = true; isSplattable = true;
} }
} }
@ -15148,9 +15154,18 @@ void BfModule::ProcessMethod_SetupParams(BfMethodInstance* methodInstance, BfTyp
} }
else if (resolvedType->IsComposite() && resolvedType->IsSplattable()) else if (resolvedType->IsComposite() && resolvedType->IsSplattable())
{ {
int splatCount = resolvedType->GetSplatCount(); auto resolvedTypeInst = resolvedType->ToTypeInstance();
if (argIdx + splatCount <= mCompiler->mOptions.mMaxSplatRegs) if ((resolvedTypeInst != NULL) && (resolvedTypeInst->mIsCRepr))
{
// crepr splat is always splat
paramVar->mIsSplat = true; paramVar->mIsSplat = true;
}
else
{
int splatCount = resolvedType->GetSplatCount();
if (argIdx + splatCount <= mCompiler->mOptions.mMaxSplatRegs)
paramVar->mIsSplat = true;
}
} }
} }
else else

View file

@ -2980,7 +2980,40 @@ bool BfModule::DoPopulateType(BfType* resolvedTypeRef, BfPopulateType populateTy
splatIterate(typeInstance); splatIterate(typeInstance);
if (isCRepr) if (isCRepr)
{
typeInstance->mIsSplattable = false; typeInstance->mIsSplattable = false;
if ((mCompiler->mOptions.mPlatformType == BfPlatformType_Windows) && (mCompiler->mSystem->mPtrSize == 4))
{
// Win32 splat rules
if ((typeInstance->mBaseType->mInstSize == 0) && (typeInstance->mInstSize <= 16))
{
typeInstance->mIsSplattable = true;
for (int fieldIdx = 0; fieldIdx < (int)typeInstance->mFieldInstances.size(); fieldIdx++)
{
auto fieldInstance = (BfFieldInstance*)&typeInstance->mFieldInstances[fieldIdx];
if (fieldInstance->mDataIdx >= 0)
{
if (!fieldInstance->mResolvedType->IsPrimitiveType())
typeInstance->mIsSplattable = false;
else
{
auto primType = (BfPrimitiveType*)fieldInstance->mResolvedType;
if ((primType->mTypeDef->mTypeCode != BfTypeCode_Int32) &&
(primType->mTypeDef->mTypeCode != BfTypeCode_UInt32) &&
(primType->mTypeDef->mTypeCode != BfTypeCode_IntPtr) &&
(primType->mTypeDef->mTypeCode != BfTypeCode_UIntPtr) &&
(primType->mTypeDef->mTypeCode != BfTypeCode_Pointer) &&
(primType->mTypeDef->mTypeCode != BfTypeCode_Single) &&
(primType->mTypeDef->mTypeCode != BfTypeCode_Double))
typeInstance->mIsSplattable = false;
}
}
}
}
}
}
else else
typeInstance->mIsSplattable = (dataCount <= 3) && (!hadNonSplattable); typeInstance->mIsSplattable = (dataCount <= 3) && (!hadNonSplattable);
} }

View file

@ -949,7 +949,15 @@ void BfMethodInstance::GetIRFunctionInfo(BfModule* module, BfIRType& returnType,
int splatCount = checkType->GetSplatCount(); int splatCount = checkType->GetSplatCount();
doSplat = ((checkType->IsSplattable()) && ((paramIdx != -1) || (!mMethodDef->mIsMutating))); doSplat = ((checkType->IsSplattable()) && ((paramIdx != -1) || (!mMethodDef->mIsMutating)));
if ((int)paramTypes.size() + splatCount > module->mCompiler->mOptions.mMaxSplatRegs) if ((int)paramTypes.size() + splatCount > module->mCompiler->mOptions.mMaxSplatRegs)
doSplat = false; {
auto checkTypeInst = checkType->ToTypeInstance();
if ((checkTypeInst != NULL) && (checkTypeInst->mIsCRepr))
{
// CRepr splat means always splat
}
else
doSplat = false;
}
} }
auto _AddType = [&](BfType* type) auto _AddType = [&](BfType* type)