diff options
Diffstat (limited to 'unittests/CodeGen/MachineOperandTest.cpp')
-rw-r--r-- | unittests/CodeGen/MachineOperandTest.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/unittests/CodeGen/MachineOperandTest.cpp b/unittests/CodeGen/MachineOperandTest.cpp index fb43e10742b..cce85cafb2a 100644 --- a/unittests/CodeGen/MachineOperandTest.cpp +++ b/unittests/CodeGen/MachineOperandTest.cpp @@ -353,4 +353,33 @@ TEST(MachineOperandTest, PrintCFI) { ASSERT_TRUE(OS.str() == "<cfi directive>"); } +TEST(MachineOperandTest, PrintIntrinsicID) { + // Create a MachineOperand with a generic intrinsic ID. + MachineOperand MO = MachineOperand::CreateIntrinsicID(Intrinsic::bswap); + + // Checking some preconditions on the newly created + // MachineOperand. + ASSERT_TRUE(MO.isIntrinsicID()); + ASSERT_TRUE(MO.getIntrinsicID() == Intrinsic::bswap); + + std::string str; + { + // Print a MachineOperand containing a generic intrinsic ID. + raw_string_ostream OS(str); + MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr); + ASSERT_TRUE(OS.str() == "intrinsic(@llvm.bswap)"); + } + + str.clear(); + // Set a target-specific intrinsic. + MO = MachineOperand::CreateIntrinsicID((Intrinsic::ID)-1); + { + // Print a MachineOperand containing a target-specific intrinsic ID but not + // IntrinsicInfo. + raw_string_ostream OS(str); + MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr); + ASSERT_TRUE(OS.str() == "intrinsic(4294967295)"); + } +} + } // end namespace |