From a743d7072d9ccf11f96e3df45f25ad07da6ad9d6 Mon Sep 17 00:00:00 2001
From: Cristian Cadar <c.cadar@imperial.ac.uk>
Date: Tue, 10 Feb 2015 13:29:11 +0000
Subject: Merged @luckyluke's change for detecting overflow of unsigned add,
 sub and mul operations.  Refactored tests into two main cases, and disabled
 them on LLVM 2.9, which does not support
 -fsanitized=*signed-integer-overflow.

---
 tools/klee/main.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'tools')

diff --git a/tools/klee/main.cpp b/tools/klee/main.cpp
index 23c07f03..8a246685 100644
--- a/tools/klee/main.cpp
+++ b/tools/klee/main.cpp
@@ -765,6 +765,10 @@ static const char *modelledExternals[] = {
   "_Znwj", 
   "_Znam", 
   "_Znwm", 
+  "__ubsan_handle_add_overflow",
+  "__ubsan_handle_sub_overflow",
+  "__ubsan_handle_mul_overflow",
+  "__ubsan_handle_divrem_overflow",
 };
 // Symbols we aren't going to warn about
 static const char *dontCareExternals[] = {
-- 
cgit 1.4.1