Add dummy inline asm handling for 'r' constraint. This fixes PR4778

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80085 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp b/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
index 8724eefc69..6e2e9599df 100644
--- a/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
+++ b/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
@@ -58,6 +58,9 @@ namespace {
     void printCCOperand(const MachineInstr *MI, int OpNum);
     void printInstruction(const MachineInstr *MI);  // autogenerated.
     void printMachineInstruction(const MachineInstr * MI);
+    bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+                         unsigned AsmVariant,
+                         const char *ExtraCode);
 
     void emitFunctionHeader(const MachineFunction &MF);
     bool runOnMachineFunction(MachineFunction &F);
@@ -243,6 +246,19 @@ void MSP430AsmPrinter::printCCOperand(const MachineInstr *MI, int OpNum) {
   }
 }
 
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool MSP430AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+                                       unsigned AsmVariant,
+                                       const char *ExtraCode) {
+  // Does this asm operand have a single letter operand modifier?
+  if (ExtraCode && ExtraCode[0])
+    return true; // Unknown modifier.
+
+  printOperand(MI, OpNo);
+  return false;
+}
+
 // Force static initialization.
 extern "C" void LLVMInitializeMSP430AsmPrinter() {
   RegisterAsmPrinter<MSP430AsmPrinter> X(TheMSP430Target);