Implement createPointerCast.
llvm-svn: 32212
diff --git a/llvm/lib/VMCore/Instructions.cpp b/llvm/lib/VMCore/Instructions.cpp
index 8c1f47d..65a910b 100644
--- a/llvm/lib/VMCore/Instructions.cpp
+++ b/llvm/lib/VMCore/Instructions.cpp
@@ -1548,6 +1548,31 @@
return create(Instruction::Trunc, S, Ty, Name, InsertAtEnd);
}
+CastInst *CastInst::createPointerCast(Value *S, const Type *Ty,
+ const std::string &Name,
+ BasicBlock *InsertAtEnd) {
+ assert(isa<PointerType>(S->getType()) && "Invalid cast");
+ assert((Ty->isIntegral() || Ty->getTypeID() == Type::PointerTyID) &&
+ "Invalid cast");
+
+ if (Ty->isIntegral())
+ return create(Instruction::PtrToInt, S, Ty, Name, InsertAtEnd);
+ return create(Instruction::BitCast, S, Ty, Name, InsertAtEnd);
+}
+
+/// @brief Create a BitCast or a PtrToInt cast instruction
+CastInst *CastInst::createPointerCast(Value *S, const Type *Ty,
+ const std::string &Name,
+ Instruction *InsertBefore) {
+ assert(isa<PointerType>(S->getType()) && "Invalid cast");
+ assert((Ty->isIntegral() || Ty->getTypeID() == Type::PointerTyID) &&
+ "Invalid cast");
+
+ if (Ty->isIntegral())
+ return create(Instruction::PtrToInt, S, Ty, Name, InsertBefore);
+ return create(Instruction::BitCast, S, Ty, Name, InsertBefore);
+}
+
// Provide a way to get a "cast" where the cast opcode is inferred from the
// types and size of the operand. This, basically, is a parallel of the
// logic in the checkCast function below. This axiom should hold: