bit isSimpleLoad = 0; // Is this just a load instruction?
bit mayLoad = 0; // Is it possible for this inst to read memory?
bit mayStore = 0; // Is it possible for this inst to write memory?
- bit isImplicitDef = 0; // Is this instruction an implicit def instruction?
bit isTwoAddress = 0; // Is this a two address instruction?
bit isConvertibleToThreeAddress = 0; // Can this 2-addr instruction promote?
bit isCommutable = 0; // Is this 3 operand instruction commutable?
let AsmString = "";
let Namespace = "TargetInstrInfo";
let neverHasSideEffects = 1;
+ let Constraints = "$supersrc = $dst";
+}
+def IMPLICIT_DEF : Instruction {
+ let OutOperandList = (ops unknown:$dst);
+ let InOperandList = (ops);
+ let AsmString = "";
+ let Namespace = "TargetInstrInfo";
+ let neverHasSideEffects = 1;
+}
+def SUBREG_TO_REG : Instruction {
+ let OutOperandList = (ops unknown:$dst);
+ let InOperandList = (ops unknown:$implsrc, unknown:$subsrc, i32imm:$subidx);
+ let AsmString = "";
+ let Namespace = "TargetInstrInfo";
+ let neverHasSideEffects = 1;
}
//===----------------------------------------------------------------------===//