unittests/MC/Hexagon/HexagonMCCodeEmitterTest.cpp

   1 #include "gtest/gtest.h"
   2
   3 #include <memory>
   4
   5 #include "llvm/MC/MCCodeEmitter.h"
   6 #include "llvm/MC/MCContext.h"
   7 #include "llvm/Support/raw_ostream.h"
   8 #include "llvm/Support/TargetRegistry.h"
   9 #include "llvm/Support/TargetSelect.h"
  10
  11 #include "MCTargetDesc/HexagonMCInst.h"
  12 #include "MCTargetDesc/HexagonMCTargetDesc.h"
  13
  14 namespace {
  15 class TestEmitter {
  16 public:
  17   TestEmitter() : Triple("hexagon-unknown-elf") {
  18     LLVMInitializeHexagonTargetInfo();
  19     LLVMInitializeHexagonTarget();
  20     LLVMInitializeHexagonTargetMC();
  21     std::string error;
  22     Target = llvm::TargetRegistry::lookupTarget("hexagon", error);
  23     assert(Target != nullptr && "Expected to find target");
  24     assert(error.empty() && "Error should be empty if we have a target");
  25     RegisterInfo = Target->createMCRegInfo(Triple);
  26     assert(RegisterInfo != nullptr && "Expecting to find register info");
  27     AsmInfo = Target->createMCAsmInfo(*RegisterInfo, Triple);
  28     assert(AsmInfo != nullptr && "Expecting to find asm info");
  29     Context = new llvm::MCContext(AsmInfo, RegisterInfo, nullptr);
  30     assert(Context != nullptr && "Expecting to create a context");
  31     Subtarget = Target->createMCSubtargetInfo(Triple, "hexagonv4", "");
  32     assert(Subtarget != nullptr && "Expecting to find a subtarget");
  33     InstrInfo = Target->createMCInstrInfo();
  34     assert(InstrInfo != nullptr && "Expecting to find instr info");
  35     Emitter = Target->createMCCodeEmitter(*InstrInfo, *RegisterInfo, *Subtarget,
  36                                           *Context);
  37     assert(Emitter != nullptr);
  38   }
  39   std::string Triple;
  40   llvm::Target const *Target;
  41   llvm::MCRegisterInfo *RegisterInfo;
  42   llvm::MCAsmInfo *AsmInfo;
  43   llvm::MCContext *Context;
  44   llvm::MCSubtargetInfo *Subtarget;
  45   llvm::MCInstrInfo *InstrInfo;
  46   llvm::MCCodeEmitter *Emitter;
  47 };
  48 TestEmitter Emitter;
  49 }
  50
  51 TEST(HexagonMCCodeEmitter, emitter_creation) {
  52   ASSERT_NE(nullptr, Emitter.Emitter);
  53 }