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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm/CodeGen/CallingConvLower.h"
10#include "llvm/CodeGen/MachineFunction.h"
11#include "llvm/CodeGen/MachineModuleInfo.h"
12#include "llvm/CodeGen/TargetFrameLowering.h"
13#include "llvm/CodeGen/TargetInstrInfo.h"
14#include "llvm/CodeGen/TargetLowering.h"
15#include "llvm/CodeGen/TargetRegisterInfo.h"
16#include "llvm/CodeGen/TargetSubtargetInfo.h"
17#include "llvm/IR/Module.h"
18#include "llvm/MC/TargetRegistry.h"
19#include "llvm/Target/TargetMachine.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, M&: 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} // namespace
50

source code of llvm/unittests/CodeGen/CCStateTest.cpp