Add GetResultInst. First step for multiple return value support.
llvm-svn: 47348
diff --git a/llvm/lib/VMCore/Instructions.cpp b/llvm/lib/VMCore/Instructions.cpp
index 863f011..959ac9b 100644
--- a/llvm/lib/VMCore/Instructions.cpp
+++ b/llvm/lib/VMCore/Instructions.cpp
@@ -2698,6 +2698,29 @@
setSuccessor(idx, B);
}
+//===----------------------------------------------------------------------===//
+// GetResultInst Implementation
+//===----------------------------------------------------------------------===//
+
+GetResultInst::GetResultInst(Value *Aggr, Value *Index,
+ const std::string &Name,
+ Instruction *InsertBef)
+ : Instruction(Aggr->getType(),
+ GetResult, Ops, 2, InsertBef) {
+ assert(isValidOperands(Aggr, Index) && "Invalid GetResultInst operands!");
+ Ops[0].init(Aggr, this);
+ Ops[1].init(Index, this);
+ setName(Name);
+}
+
+bool GetResultInst::isValidOperands(const Value *Aggr, const Value *Index) {
+ if (!Aggr || !Index)
+ return false;
+ if (!isa<StructType>(Aggr->getType()) || Index->getType() != Type::Int32Ty)
+ return false;
+ return true;
+}
+
// Define these methods here so vtables don't get emitted into every translation
// unit that uses these classes.
@@ -2754,3 +2777,4 @@
InvokeInst *InvokeInst::clone() const { return new InvokeInst(*this); }
UnwindInst *UnwindInst::clone() const { return new UnwindInst(); }
UnreachableInst *UnreachableInst::clone() const { return new UnreachableInst();}
+GetResultInst *GetResultInst::clone() const { return new GetResultInst(*this); }