From d8e312d11f46adbed805ba233a808d719cbb5e2b Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Tue, 18 Nov 2008 23:09:31 +0000
Subject: [PATCH] Verify that the second parameter of the stacprotector
 intrinsic is an alloca instruction.

llvm-svn: 59563
---
 llvm/lib/VMCore/Verifier.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/llvm/lib/VMCore/Verifier.cpp b/llvm/lib/VMCore/Verifier.cpp
index a699ab2af205..86413ed6202c 100644
--- a/llvm/lib/VMCore/Verifier.cpp
+++ b/llvm/lib/VMCore/Verifier.cpp
@@ -1374,6 +1374,11 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
             "invalid arguments to llvm.prefetch",
             &CI);
     break;
+  case Intrinsic::stackprotector:
+    Assert1(isa<AllocaInst>(CI.getOperand(2)),
+            "llvm.stackprotector parameter #2 must resolve to an alloca.",
+            &CI);
+    break;
   }
 }