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