50 lines · cpp
1//===- CCStateTest.cpp ----------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "llvm/CodeGen/CallingConvLower.h"10#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"11#include "llvm/CodeGen/MachineFunction.h"12#include "llvm/CodeGen/MachineModuleInfo.h"13#include "llvm/CodeGen/TargetFrameLowering.h"14#include "llvm/CodeGen/TargetInstrInfo.h"15#include "llvm/CodeGen/TargetLowering.h"16#include "llvm/CodeGen/TargetRegisterInfo.h"17#include "llvm/CodeGen/TargetSubtargetInfo.h"18#include "llvm/IR/Module.h"19#include "llvm/MC/TargetRegistry.h"20#include "gtest/gtest.h"21 22using namespace llvm;23 24namespace {25 26#include "MFCommon.inc"27 28TEST(CCStateTest, NegativeOffsets) {29 LLVMContext Ctx;30 Module Mod("Module", Ctx);31 auto MF = createMachineFunction(Ctx, Mod);32 33 SmallVector<CCValAssign, 8> Locs;34 CCState Info(CallingConv::C, /*IsVarArg=*/false, *MF, Locs, Ctx,35 /*NegativeOffsets=*/true);36 37 ASSERT_EQ(Info.AllocateStack(1, Align(1)), -1);38 ASSERT_EQ(Info.AllocateStack(1, Align(2)), -2);39 ASSERT_EQ(Info.AllocateStack(1, Align(2)), -4);40 ASSERT_EQ(Info.AllocateStack(1, Align(1)), -5);41 ASSERT_EQ(Info.AllocateStack(2, Align(2)), -8);42 ASSERT_EQ(Info.AllocateStack(2, Align(2)), -10);43 ASSERT_EQ(Info.AllocateStack(2, Align(1)), -12);44 ASSERT_EQ(Info.AllocateStack(1, Align(1)), -13);45 ASSERT_EQ(Info.getStackSize(), 13u);46 ASSERT_EQ(Info.getAlignedCallFrameSize(), 14u);47}48 49} // namespace50