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/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 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, 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