ARM assembly parsing and encoding support for LDRD(label).

rdar://9932658

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146921 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
index 662097a..f92bc55 100644
--- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
@@ -436,6 +436,12 @@ void ARMInstPrinter::printAM3PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
 
 void ARMInstPrinter::printAddrMode3Operand(const MCInst *MI, unsigned Op,
                                            raw_ostream &O) {
+  const MCOperand &MO1 = MI->getOperand(Op);
+  if (!MO1.isReg()) {   //  For label symbolic references.
+    printOperand(MI, Op, O);
+    return;
+  }
+
   const MCOperand &MO3 = MI->getOperand(Op+2);
   unsigned IdxMode = ARM_AM::getAM3IdxMode(MO3.getImm());
 
@@ -885,6 +891,11 @@ void ARMInstPrinter::printT2AddrModeImm8s4Operand(const MCInst *MI,
   const MCOperand &MO1 = MI->getOperand(OpNum);
   const MCOperand &MO2 = MI->getOperand(OpNum+1);
 
+  if (!MO1.isReg()) {   //  For label symbolic references.
+    printOperand(MI, OpNum, O);
+    return;
+  }
+
   O << "[" << getRegisterName(MO1.getReg());
 
   int32_t OffImm = (int32_t)MO2.getImm() / 4;