Add code enough for emission of reg-reg and reg-imm moves. This allows us to compile "ret i16 0" properly!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70710 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 1 deletions

diff --git a/lib/Target/MSP430/MSP430AsmPrinter.cpp b/lib/Target/MSP430/MSP430AsmPrinter.cpp
index 6b0f5100c3..e8004a7d1b 100644
--- a/lib/Target/MSP430/MSP430AsmPrinter.cpp
+++ b/lib/Target/MSP430/MSP430AsmPrinter.cpp
@@ -47,6 +47,7 @@ namespace {
       return "MSP430 Assembly Printer";
     }
 
+    void printOperand(const MachineInstr *MI, int OpNum);
     bool printInstruction(const MachineInstr *MI);  // autogenerated.
     void printMachineInstruction(const MachineInstr * MI);
     bool runOnMachineFunction(MachineFunction &F);
@@ -108,7 +109,7 @@ bool MSP430AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   return false;
 }
 
-void MSP430AsmPrinter::printMachineInstruction(const MachineInstr * MI) {
+void MSP430AsmPrinter::printMachineInstruction(const MachineInstr *MI) {
   ++EmittedInsts;
 
   // Call the autogenerated instruction printer routines.
@@ -117,3 +118,23 @@ void MSP430AsmPrinter::printMachineInstruction(const MachineInstr * MI) {
 
   assert(0 && "Should not happen");
 }
+
+void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum) {
+  const MachineOperand &MO = MI->getOperand(OpNum);
+  switch (MO.getType()) {
+  case MachineOperand::MO_Register:
+    if (TargetRegisterInfo::isPhysicalRegister(MO.getReg()))
+      O << TM.getRegisterInfo()->get(MO.getReg()).AsmName;
+    else
+      assert(0 && "not implemented");
+    break;
+  case MachineOperand::MO_Immediate:
+     O << "#" << MO.getImm();
+    break;
+  case MachineOperand::MO_MachineBasicBlock:
+    printBasicBlockLabel(MO.getMBB());
+    break;
+  default:
+    assert(0 && "Not implemented yet!");
+  }
+}