Add useful helpers to AddrSpaceCastInst

llvm-svn: 267450

1 files changed, 25 insertions, 0 deletions

diff --git a/llvm/include/llvm/IR/Instructions.h b/llvm/include/llvm/IR/Instructions.h
index 312541c1d83..ba20d77215f 100644
--- a/llvm/include/llvm/IR/Instructions.h
+++ b/llvm/include/llvm/IR/Instructions.h
@@ -4848,6 +4848,31 @@ public:
   static inline bool classof(const Value *V) {
     return isa<Instruction>(V) && classof(cast<Instruction>(V));
   }
+
+  /// \brief Gets the pointer operand.
+  Value *getPointerOperand() {
+    return getOperand(0);
+  }
+
+  /// \brief Gets the pointer operand.
+  const Value *getPointerOperand() const {
+    return getOperand(0);
+  }
+
+  /// \brief Gets the operand index of the pointer operand.
+  static unsigned getPointerOperandIndex() {
+    return 0U;
+  }
+
+  /// \brief Returns the address space of the pointer operand.
+  unsigned getSrcAddressSpace() const {
+    return getPointerOperand()->getType()->getPointerAddressSpace();
+  }
+
+  /// \brief Returns the address space of the result.
+  unsigned getDestAddressSpace() const {
+    return getType()->getPointerAddressSpace();
+  }
 };
 
 } // End llvm namespace