From 5011b956a971d29c81069669c9bf4a86d37988e8 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 9 Nov 2003 04:00:59 +0000
Subject: [PATCH] None of the __llvm_* functions call into the program.  This
 makes the callgraph MUCH simpler for eh using program.

llvm-svn: 9825
---
 llvm/lib/Analysis/IPA/CallGraph.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/llvm/lib/Analysis/IPA/CallGraph.cpp b/llvm/lib/Analysis/IPA/CallGraph.cpp
index 7c0deddc3a16..5ee3d3cfa935 100644
--- a/llvm/lib/Analysis/IPA/CallGraph.cpp
+++ b/llvm/lib/Analysis/IPA/CallGraph.cpp
@@ -165,6 +165,9 @@ static bool ExternalFunctionDoesntCallIntoProgram(const std::string &Name) {
     std::sort(Funcs.begin(), Funcs.end());
   }
 
+  if (Name.size() > 7 && !memcmp("__llvm_", Name.c_str(), 7))
+    return true;
+
   // Binary search for the function name...
   std::vector<std::string>::iterator I =
     std::lower_bound(Funcs.begin(), Funcs.end(), Name);
-- 
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