Change interface to MachineInstr::substituteValue to specify more precisely

which args can be substituted: defsOnly, defsAndUses or usesOnly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7154 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineInstr.h

@@ -646,7 +646,8 @@ public:
 
 
   unsigned substituteValue(const Value* oldVal, Value* newVal,
-                           bool defsOnly = true);
+                           bool defsOnly, bool notDefsAndUses,
+                           bool& someArgsWereIgnored);
 
   void setOperandHi32(unsigned i) { operands[i].markHi32(); }
   void setOperandLo32(unsigned i) { operands[i].markLo32(); }