Add GetResultInst. First step for multiple return value support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47348 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h
index 2de8c57..54b67ff 100644
--- a/include/llvm/Instructions.h
+++ b/include/llvm/Instructions.h
@@ -2340,6 +2340,56 @@
}
};
+//===----------------------------------------------------------------------===//
+// GetResultInst Class
+//===----------------------------------------------------------------------===//
+
+/// GetResultInst - This instruction extracts individual result value from
+/// aggregate value, where aggregate value is returned by CallInst.
+///
+class GetResultInst : public Instruction {
+ Use Ops[2];
+ GetResultInst(const GetResultInst &GRI) :
+ Instruction(GRI.getType(), Instruction::GetResult, Ops, 2) {
+ Ops[0].init(GRI.Ops[0], this);
+ Ops[1].init(GRI.Ops[1], this);
+ }
+
+public:
+ explicit GetResultInst(Value *Aggr, Value *Index,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0);
+
+ /// isValidOperands - Return true if an getresult instruction can be
+ /// formed with the specified operands.
+ static bool isValidOperands(const Value *Aggr, const Value *Idx);
+
+ virtual GetResultInst *clone() const;
+
+ // getType - Get aggregate value element type
+ inline const Type *getType() const {
+ return Ops[0]->getType();
+ }
+
+ Value *getAggregateValue() {
+ return getOperand(0);
+ }
+ const Value *geIndex() {
+ return getOperand(1);
+ }
+
+ unsigned getNumOperands() const { return 2; }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const GetResultInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return (I->getOpcode() == Instruction::GetResult);
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
} // End llvm namespace
#endif