Have LowerOperandForConstraint handle multiple character constraints.

Part of rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132510 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index d1cf50c..1607273 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -3204,11 +3204,11 @@
 // LowerAsmOperandForConstraint
 void
 SPUTargetLowering::LowerAsmOperandForConstraint(SDValue Op,
-                                                char ConstraintLetter,
+                                                std::string &Constraint,
                                                 std::vector<SDValue> &Ops,
                                                 SelectionDAG &DAG) const {
   // Default, for the time being, to the base class handler
-  TargetLowering::LowerAsmOperandForConstraint(Op, ConstraintLetter, Ops, DAG);
+  TargetLowering::LowerAsmOperandForConstraint(Op, Constraint, Ops, DAG);
 }
 
 /// isLegalAddressImmediate - Return true if the integer value can be used