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1 //===- MachineOperandTest.cpp ---------------------------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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134
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10 #include "llvm/CodeGen/MachineOperand.h"
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121
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11 #include "llvm/ADT/ilist_node.h"
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134
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12 #include "llvm/IR/Constants.h"
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13 #include "llvm/IR/InstrTypes.h"
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14 #include "llvm/IR/LLVMContext.h"
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15 #include "llvm/IR/Module.h"
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16 #include "llvm/IR/ModuleSlotTracker.h"
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17 #include "llvm/MC/MCContext.h"
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18 #include "llvm/MC/MCAsmInfo.h"
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19 #include "llvm/Support/raw_ostream.h"
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121
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20 #include "gtest/gtest.h"
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21
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22 using namespace llvm;
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23
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24 namespace {
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25
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26 TEST(MachineOperandTest, ChangeToTargetIndexTest) {
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27 // Creating a MachineOperand to change it to TargetIndex
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28 MachineOperand MO = MachineOperand::CreateImm(50);
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29
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30 // Checking some precondition on the newly created
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31 // MachineOperand.
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32 ASSERT_TRUE(MO.isImm());
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33 ASSERT_TRUE(MO.getImm() == 50);
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34 ASSERT_FALSE(MO.isTargetIndex());
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35
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36 // Changing to TargetIndex with some arbitrary values
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37 // for index, offset and flags.
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38 MO.ChangeToTargetIndex(74, 57, 12);
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39
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40 // Checking that the mutation to TargetIndex happened
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41 // correctly.
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42 ASSERT_TRUE(MO.isTargetIndex());
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43 ASSERT_TRUE(MO.getIndex() == 74);
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44 ASSERT_TRUE(MO.getOffset() == 57);
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45 ASSERT_TRUE(MO.getTargetFlags() == 12);
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46 }
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47
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134
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48 TEST(MachineOperandTest, PrintRegisterMask) {
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49 uint32_t Dummy;
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50 MachineOperand MO = MachineOperand::CreateRegMask(&Dummy);
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51
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52 // Checking some preconditions on the newly created
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53 // MachineOperand.
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54 ASSERT_TRUE(MO.isRegMask());
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55 ASSERT_TRUE(MO.getRegMask() == &Dummy);
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56
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57 // Print a MachineOperand containing a RegMask. Here we check that without a
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58 // TRI and IntrinsicInfo we still print a less detailed regmask.
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59 std::string str;
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60 raw_string_ostream OS(str);
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61 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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62 ASSERT_TRUE(OS.str() == "<regmask ...>");
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63 }
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64
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65 TEST(MachineOperandTest, PrintSubReg) {
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66 // Create a MachineOperand with RegNum=1 and SubReg=5.
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67 MachineOperand MO = MachineOperand::CreateReg(
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68 /*Reg=*/1, /*isDef=*/false, /*isImp=*/false, /*isKill=*/false,
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69 /*isDead=*/false, /*isUndef=*/false, /*isEarlyClobber=*/false,
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70 /*SubReg=*/5, /*isDebug=*/false, /*isInternalRead=*/false);
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71
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72 // Checking some preconditions on the newly created
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73 // MachineOperand.
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74 ASSERT_TRUE(MO.isReg());
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75 ASSERT_TRUE(MO.getReg() == 1);
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76 ASSERT_TRUE(MO.getSubReg() == 5);
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77
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78 // Print a MachineOperand containing a SubReg. Here we check that without a
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79 // TRI and IntrinsicInfo we can still print the subreg index.
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80 std::string str;
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81 raw_string_ostream OS(str);
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82 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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83 ASSERT_TRUE(OS.str() == "$physreg1.subreg5");
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84 }
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85
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86 TEST(MachineOperandTest, PrintCImm) {
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87 LLVMContext Context;
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88 APInt Int(128, UINT64_MAX);
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89 ++Int;
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90 ConstantInt *CImm = ConstantInt::get(Context, Int);
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91 // Create a MachineOperand with an Imm=(UINT64_MAX + 1)
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92 MachineOperand MO = MachineOperand::CreateCImm(CImm);
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93
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94 // Checking some preconditions on the newly created
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95 // MachineOperand.
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96 ASSERT_TRUE(MO.isCImm());
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97 ASSERT_TRUE(MO.getCImm() == CImm);
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98 ASSERT_TRUE(MO.getCImm()->getValue() == Int);
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99
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100 // Print a MachineOperand containing a SubReg. Here we check that without a
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101 // TRI and IntrinsicInfo we can still print the subreg index.
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102 std::string str;
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103 raw_string_ostream OS(str);
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104 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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105 ASSERT_TRUE(OS.str() == "i128 18446744073709551616");
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106 }
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107
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108 TEST(MachineOperandTest, PrintSubRegIndex) {
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109 // Create a MachineOperand with an immediate and print it as a subreg index.
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110 MachineOperand MO = MachineOperand::CreateImm(3);
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111
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112 // Checking some preconditions on the newly created
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113 // MachineOperand.
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114 ASSERT_TRUE(MO.isImm());
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115 ASSERT_TRUE(MO.getImm() == 3);
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116
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117 // Print a MachineOperand containing a SubRegIdx. Here we check that without a
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118 // TRI and IntrinsicInfo we can print the operand as a subreg index.
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119 std::string str;
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120 raw_string_ostream OS(str);
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121 MachineOperand::printSubRegIdx(OS, MO.getImm(), nullptr);
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122 ASSERT_TRUE(OS.str() == "%subreg.3");
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123 }
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124
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125 TEST(MachineOperandTest, PrintCPI) {
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126 // Create a MachineOperand with a constant pool index and print it.
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127 MachineOperand MO = MachineOperand::CreateCPI(0, 8);
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128
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129 // Checking some preconditions on the newly created
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130 // MachineOperand.
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131 ASSERT_TRUE(MO.isCPI());
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132 ASSERT_TRUE(MO.getIndex() == 0);
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133 ASSERT_TRUE(MO.getOffset() == 8);
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134
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135 // Print a MachineOperand containing a constant pool index and a positive
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136 // offset.
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137 std::string str;
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138 {
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139 raw_string_ostream OS(str);
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140 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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141 ASSERT_TRUE(OS.str() == "%const.0 + 8");
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142 }
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143
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144 str.clear();
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145
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146 MO.setOffset(-12);
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147
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148 // Print a MachineOperand containing a constant pool index and a negative
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149 // offset.
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150 {
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151 raw_string_ostream OS(str);
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152 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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153 ASSERT_TRUE(OS.str() == "%const.0 - 12");
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154 }
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155 }
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156
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157 TEST(MachineOperandTest, PrintTargetIndexName) {
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158 // Create a MachineOperand with a target index and print it.
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159 MachineOperand MO = MachineOperand::CreateTargetIndex(0, 8);
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160
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161 // Checking some preconditions on the newly created
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162 // MachineOperand.
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163 ASSERT_TRUE(MO.isTargetIndex());
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164 ASSERT_TRUE(MO.getIndex() == 0);
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165 ASSERT_TRUE(MO.getOffset() == 8);
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166
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167 // Print a MachineOperand containing a target index and a positive offset.
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168 std::string str;
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169 {
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170 raw_string_ostream OS(str);
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171 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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172 ASSERT_TRUE(OS.str() == "target-index(<unknown>) + 8");
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173 }
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174
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175 str.clear();
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176
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177 MO.setOffset(-12);
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178
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179 // Print a MachineOperand containing a target index and a negative offset.
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180 {
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181 raw_string_ostream OS(str);
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182 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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183 ASSERT_TRUE(OS.str() == "target-index(<unknown>) - 12");
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184 }
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185 }
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186
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187 TEST(MachineOperandTest, PrintJumpTableIndex) {
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188 // Create a MachineOperand with a jump-table index and print it.
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189 MachineOperand MO = MachineOperand::CreateJTI(3);
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190
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191 // Checking some preconditions on the newly created
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192 // MachineOperand.
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193 ASSERT_TRUE(MO.isJTI());
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194 ASSERT_TRUE(MO.getIndex() == 3);
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195
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196 // Print a MachineOperand containing a jump-table index.
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197 std::string str;
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198 raw_string_ostream OS(str);
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199 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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200 ASSERT_TRUE(OS.str() == "%jump-table.3");
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201 }
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202
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203 TEST(MachineOperandTest, PrintExternalSymbol) {
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204 // Create a MachineOperand with an external symbol and print it.
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205 MachineOperand MO = MachineOperand::CreateES("foo");
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206
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207 // Checking some preconditions on the newly created
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208 // MachineOperand.
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209 ASSERT_TRUE(MO.isSymbol());
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210 ASSERT_TRUE(MO.getSymbolName() == StringRef("foo"));
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211
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212 // Print a MachineOperand containing an external symbol and no offset.
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213 std::string str;
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214 {
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215 raw_string_ostream OS(str);
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216 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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217 ASSERT_TRUE(OS.str() == "&foo");
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218 }
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219
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220 str.clear();
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221 MO.setOffset(12);
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222
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223 // Print a MachineOperand containing an external symbol and a positive offset.
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224 {
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225 raw_string_ostream OS(str);
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226 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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227 ASSERT_TRUE(OS.str() == "&foo + 12");
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228 }
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229
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230 str.clear();
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231 MO.setOffset(-12);
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232
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233 // Print a MachineOperand containing an external symbol and a negative offset.
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234 {
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235 raw_string_ostream OS(str);
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236 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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237 ASSERT_TRUE(OS.str() == "&foo - 12");
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238 }
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239 }
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240
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241 TEST(MachineOperandTest, PrintGlobalAddress) {
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242 LLVMContext Ctx;
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243 Module M("MachineOperandGVTest", Ctx);
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244 M.getOrInsertGlobal("foo", Type::getInt32Ty(Ctx));
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245
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246 GlobalValue *GV = M.getNamedValue("foo");
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247
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248 // Create a MachineOperand with a global address and a positive offset and
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249 // print it.
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250 MachineOperand MO = MachineOperand::CreateGA(GV, 12);
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251
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252 // Checking some preconditions on the newly created
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253 // MachineOperand.
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254 ASSERT_TRUE(MO.isGlobal());
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255 ASSERT_TRUE(MO.getGlobal() == GV);
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256 ASSERT_TRUE(MO.getOffset() == 12);
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257
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258 std::string str;
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259 // Print a MachineOperand containing a global address and a positive offset.
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260 {
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261 raw_string_ostream OS(str);
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262 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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263 ASSERT_TRUE(OS.str() == "@foo + 12");
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264 }
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265
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266 str.clear();
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267 MO.setOffset(-12);
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268
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269 // Print a MachineOperand containing a global address and a negative offset.
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270 {
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271 raw_string_ostream OS(str);
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272 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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273 ASSERT_TRUE(OS.str() == "@foo - 12");
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274 }
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275 }
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276
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277 TEST(MachineOperandTest, PrintRegisterLiveOut) {
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278 // Create a MachineOperand with a register live out list and print it.
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279 uint32_t Mask = 0;
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280 MachineOperand MO = MachineOperand::CreateRegLiveOut(&Mask);
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281
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282 // Checking some preconditions on the newly created
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283 // MachineOperand.
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284 ASSERT_TRUE(MO.isRegLiveOut());
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285 ASSERT_TRUE(MO.getRegLiveOut() == &Mask);
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286
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287 std::string str;
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288 // Print a MachineOperand containing a register live out list without a TRI.
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289 raw_string_ostream OS(str);
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290 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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291 ASSERT_TRUE(OS.str() == "liveout(<unknown>)");
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292 }
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293
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294 TEST(MachineOperandTest, PrintMetadata) {
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295 LLVMContext Ctx;
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296 Module M("MachineOperandMDNodeTest", Ctx);
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297 NamedMDNode *MD = M.getOrInsertNamedMetadata("namedmd");
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298 ModuleSlotTracker MST(&M);
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299 Metadata *MDS = MDString::get(Ctx, "foo");
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300 MDNode *Node = MDNode::get(Ctx, MDS);
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301 MD->addOperand(Node);
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302
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303 // Create a MachineOperand with a metadata and print it.
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304 MachineOperand MO = MachineOperand::CreateMetadata(Node);
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305
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306 // Checking some preconditions on the newly created
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307 // MachineOperand.
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308 ASSERT_TRUE(MO.isMetadata());
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309 ASSERT_TRUE(MO.getMetadata() == Node);
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310
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311 std::string str;
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312 // Print a MachineOperand containing a metadata node.
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313 raw_string_ostream OS(str);
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314 MO.print(OS, MST, LLT{}, /*PrintDef=*/false, /*IsStandalone=*/false,
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315 /*ShouldPrintRegisterTies=*/false, 0, /*TRI=*/nullptr,
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316 /*IntrinsicInfo=*/nullptr);
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317 ASSERT_TRUE(OS.str() == "!0");
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318 }
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319
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320 TEST(MachineOperandTest, PrintMCSymbol) {
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321 MCAsmInfo MAI;
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322 MCContext Ctx(&MAI, /*MRI=*/nullptr, /*MOFI=*/nullptr);
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323 MCSymbol *Sym = Ctx.getOrCreateSymbol("foo");
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324
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325 // Create a MachineOperand with a metadata and print it.
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326 MachineOperand MO = MachineOperand::CreateMCSymbol(Sym);
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327
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328 // Checking some preconditions on the newly created
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329 // MachineOperand.
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330 ASSERT_TRUE(MO.isMCSymbol());
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331 ASSERT_TRUE(MO.getMCSymbol() == Sym);
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332
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333 std::string str;
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334 // Print a MachineOperand containing a metadata node.
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335 raw_string_ostream OS(str);
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336 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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337 ASSERT_TRUE(OS.str() == "<mcsymbol foo>");
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338 }
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339
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340 TEST(MachineOperandTest, PrintCFI) {
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341 // Create a MachineOperand with a CFI index but no function and print it.
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342 MachineOperand MO = MachineOperand::CreateCFIIndex(8);
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343
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344 // Checking some preconditions on the newly created
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345 // MachineOperand.
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346 ASSERT_TRUE(MO.isCFIIndex());
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347 ASSERT_TRUE(MO.getCFIIndex() == 8);
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348
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349 std::string str;
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350 // Print a MachineOperand containing a CFI Index node but no machine function
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351 // attached to it.
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352 raw_string_ostream OS(str);
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353 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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354 ASSERT_TRUE(OS.str() == "<cfi directive>");
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355 }
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356
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357 TEST(MachineOperandTest, PrintIntrinsicID) {
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358 // Create a MachineOperand with a generic intrinsic ID.
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359 MachineOperand MO = MachineOperand::CreateIntrinsicID(Intrinsic::bswap);
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360
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361 // Checking some preconditions on the newly created
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362 // MachineOperand.
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363 ASSERT_TRUE(MO.isIntrinsicID());
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364 ASSERT_TRUE(MO.getIntrinsicID() == Intrinsic::bswap);
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365
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366 std::string str;
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367 {
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368 // Print a MachineOperand containing a generic intrinsic ID.
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369 raw_string_ostream OS(str);
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370 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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371 ASSERT_TRUE(OS.str() == "intrinsic(@llvm.bswap)");
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372 }
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373
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374 str.clear();
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375 // Set a target-specific intrinsic.
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376 MO = MachineOperand::CreateIntrinsicID((Intrinsic::ID)-1);
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377 {
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378 // Print a MachineOperand containing a target-specific intrinsic ID but not
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379 // IntrinsicInfo.
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380 raw_string_ostream OS(str);
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381 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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382 ASSERT_TRUE(OS.str() == "intrinsic(4294967295)");
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383 }
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384 }
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385
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386 TEST(MachineOperandTest, PrintPredicate) {
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387 // Create a MachineOperand with a generic intrinsic ID.
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388 MachineOperand MO = MachineOperand::CreatePredicate(CmpInst::ICMP_EQ);
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389
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390 // Checking some preconditions on the newly created
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391 // MachineOperand.
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392 ASSERT_TRUE(MO.isPredicate());
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393 ASSERT_TRUE(MO.getPredicate() == CmpInst::ICMP_EQ);
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394
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395 std::string str;
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396 // Print a MachineOperand containing a int predicate ICMP_EQ.
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397 raw_string_ostream OS(str);
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398 MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
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399 ASSERT_TRUE(OS.str() == "intpred(eq)");
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400 }
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401
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121
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402 } // end namespace
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