From 3284ed725ad5f22edcb4bc87cd171782255aa6a5 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 19 Sep 2003 19:31:41 +0000
Subject: [PATCH] Reject "llvm." as a function name

llvm-svn: 8608
---
 llvm/lib/VMCore/Function.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/VMCore/Function.cpp b/llvm/lib/VMCore/Function.cpp
index 836c6b64a335..a859a2b04a25 100644
--- a/llvm/lib/VMCore/Function.cpp
+++ b/llvm/lib/VMCore/Function.cpp
@@ -158,9 +158,11 @@ void Function::dropAllReferences() {
 /// llvm/Intrinsics.h.
 ///
 unsigned Function::getIntrinsicID() const {
-  if (getName().size() <= 5 || getName()[4] != '.' || getName()[0] != 'l' ||
+  if (getName().size() < 5 || getName()[4] != '.' || getName()[0] != 'l' ||
       getName()[1] != 'l' || getName()[2] != 'v' || getName()[3] != 'm')
     return 0;  // All intrinsics start with 'llvm.'
+
+  assert(getName().size() != 5 && "'llvm.' is an invalid intrinsic name!");
   
   // a table of all Alpha intrinsic functions
   struct {