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//===- CCStateTest.cpp ----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/TargetRegistry.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
#include "MFCommon.inc"
TEST(CCStateTest, NegativeOffsets) {
LLVMContext Ctx;
Module Mod("Module", Ctx);
auto MF = createMachineFunction(Ctx, Mod);
SmallVector<CCValAssign, 8> Locs;
CCState Info(CallingConv::C, /*IsVarArg=*/false, *MF, Locs, Ctx,
/*NegativeOffsets=*/true);
ASSERT_EQ(Info.AllocateStack(1, Align(1)), -1);
ASSERT_EQ(Info.AllocateStack(1, Align(2)), -2);
ASSERT_EQ(Info.AllocateStack(1, Align(2)), -4);
ASSERT_EQ(Info.AllocateStack(1, Align(1)), -5);
ASSERT_EQ(Info.AllocateStack(2, Align(2)), -8);
ASSERT_EQ(Info.AllocateStack(2, Align(2)), -10);
ASSERT_EQ(Info.AllocateStack(2, Align(1)), -12);
ASSERT_EQ(Info.AllocateStack(1, Align(1)), -13);
ASSERT_EQ(Info.getStackSize(), 13u);
ASSERT_EQ(Info.getAlignedCallFrameSize(), 14u);
}
} // namespace
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