From edfd10de873a424a8516a6dbf5feb8168efc462d Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 8 Dec 2007 04:37:52 +0000
Subject: [PATCH] Implement correct isa<UnaryInstruction>, problem reported by
 "ST".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44697 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/InstrTypes.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/llvm/InstrTypes.h b/include/llvm/InstrTypes.h
index 22ad342d7fb..a6a8fff40ce 100644
--- a/include/llvm/InstrTypes.h
+++ b/include/llvm/InstrTypes.h
@@ -108,6 +108,20 @@ public:
     Op = Val;
   }
   unsigned getNumOperands() const { return 1; }
+  
+  // Methods for support type inquiry through isa, cast, and dyn_cast:
+  static inline bool classof(const UnaryInstruction *) { return true; }
+  static inline bool classof(const Instruction *I) {
+    return I->getOpcode() == Instruction::Malloc ||
+           I->getOpcode() == Instruction::Alloca ||
+           I->getOpcode() == Instruction::Free ||
+           I->getOpcode() == Instruction::Load ||
+           I->getOpcode() == Instruction::VAArg ||
+           (I->getOpcode() >= CastOpsBegin && I->getOpcode() < CastOpsEnd);
+  }
+  static inline bool classof(const Value *V) {
+    return isa<Instruction>(V) && classof(cast<Instruction>(V));
+  }
 };
 
 //===----------------------------------------------------------------------===//
-- 
2.34.1