commit 7ee197ecf2c654a520d1a24d55883a3d7ad1fbb6
author Owen Anderson <resistor@mac.com> Mon Jul 09 23:57:18 2007 +0000
committer Owen Anderson <resistor@mac.com> Mon Jul 09 23:57:18 2007 +0000
tree bfd78664c33bf2ff7eebcadbdc7fee63efde9cda
parent c3bd1db42d5e86d8d5b124cb4d4b1088c7a903d0

Add an assertion if find_leader fails.

llvm-svn: 38477

llvm/lib/Transforms/Scalar/GVNPRE.cpp

diff --git a/llvm/lib/Transforms/Scalar/GVNPRE.cpp b/llvm/lib/Transforms/Scalar/GVNPRE.cpp
index 73739c1..4a5dca9 100644
--- a/llvm/lib/Transforms/Scalar/GVNPRE.cpp
+++ b/llvm/lib/Transforms/Scalar/GVNPRE.cpp
@@ -695,6 +695,7 @@
     if (v == VN.lookup(*I))
       return *I;
   
+  assert(0 && "No leader found, but present bit is set?");
   return 0;
 }