[CodeGen] Print jump-table index operands as %jump-table.0 in both MIR and debug output

Work towards the unification of MIR and debug output by printing `%jump-table.0` instead of `<jt#0>`.

Only debug syntax is affected.

llvm-svn: 320566

1 files changed, 16 insertions, 0 deletions

diff --git a/llvm/unittests/CodeGen/MachineOperandTest.cpp b/llvm/unittests/CodeGen/MachineOperandTest.cpp
index 46f50ab0151..aed60c0a3d6 100644
--- a/llvm/unittests/CodeGen/MachineOperandTest.cpp
+++ b/llvm/unittests/CodeGen/MachineOperandTest.cpp
@@ -181,4 +181,20 @@ TEST(MachineOperandTest, PrintTargetIndexName) {
   }
 }
 
+TEST(MachineOperandTest, PrintJumpTableIndex) {
+  // Create a MachineOperand with a jump-table index and print it.
+  MachineOperand MO = MachineOperand::CreateJTI(3);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isJTI());
+  ASSERT_TRUE(MO.getIndex() == 3);
+
+  // Print a MachineOperand containing a jump-table index.
+  std::string str;
+  raw_string_ostream OS(str);
+  MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+  ASSERT_TRUE(OS.str() == "%jump-table.3");
+}
+
 } // end namespace