llvm/unittests/ExecutionEngine/Orc/JITTargetMachineBuilderTest.cpp

   1 //===----------- CoreAPIsTest.cpp - Unit tests for Core ORC APIs ----------===//
   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/ExecutionEngine/Orc/JITTargetMachineBuilder.h"
  10 #include "OrcTestCommon.h"
  11
  12 using namespace llvm;
  13 using namespace llvm::orc;
  14
  15 namespace {
  16
  17 TEST(ExecutionUtilsTest, JITTargetMachineBuilder) {
  18   // Tests basic API usage.
  19   // Bails out on error, as it is valid to run this test without any targets
  20   // built.
  21
  22   // Make sure LLVM has been initialized.
  23   OrcNativeTarget::initialize();
  24
  25   auto JTMB = cantFail(JITTargetMachineBuilder::detectHost());
  26
  27   // Test API by performing a bunch of no-ops.
  28   JTMB.setCPU("");
  29   JTMB.setRelocationModel(std::nullopt);
  30   JTMB.setCodeModel(std::nullopt);
  31   JTMB.setCodeGenOptLevel(CodeGenOptLevel::None);
  32   JTMB.addFeatures(std::vector<std::string>());
  33   SubtargetFeatures &STF = JTMB.getFeatures();
  34   (void)STF;
  35   TargetOptions &TO = JTMB.getOptions();
  36   (void)TO;
  37   Triple &TT = JTMB.getTargetTriple();
  38   (void)TT;
  39
  40   auto TM = JTMB.createTargetMachine();
  41
  42   if (!TM)
  43     consumeError(TM.takeError());
  44   else {
  45     EXPECT_NE(TM.get(), nullptr)
  46         << "JITTargetMachineBuilder should return a non-null TargetMachine "
  47            "on success";
  48   }
  49 }
  50
  51 } // namespace