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 | |
22 | using namespace llvm; |
23 | |
24 | namespace { |
25 | |
26 | #include "MFCommon.inc" |
27 | |
28 | TEST(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 | |