r191177 - Make sort predicate match the qsort convention.

[Benjamin Kramer]

Author: d0k
Date: Sun Sep 22 10:02:02 2013
New Revision: 191177

URL: http://llvm.org/viewvc/llvm-project?rev=191177&view=rev
Log:
Make sort predicate match the qsort convention.

Modified:
    cfe/trunk/lib/Analysis/ReachableCode.cpp

Modified: cfe/trunk/lib/Analysis/ReachableCode.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/ReachableCode.cpp?rev=191177&r1=191176&r2=191177&view=diff
==============================================================================
--- cfe/trunk/lib/Analysis/ReachableCode.cpp (original)
+++ cfe/trunk/lib/Analysis/ReachableCode.cpp Sun Sep 22 10:02:02 2013
@@ -112,7 +112,11 @@ const Stmt *DeadCodeScan::findDeadCode(c
 
 static int SrcCmp(const std::pair<const CFGBlock *, const Stmt *> *p1,
                   const std::pair<const CFGBlock *, const Stmt *> *p2) {
-  return p2->second->getLocStart() < p1->second->getLocStart();
+  if (p1->second->getLocStart() < p2->second->getLocStart())
+    return -1;
+  if (p2->second->getLocStart() < p1->second->getLocStart())
+    return 1;
+  return 0;
 }
 
 unsigned DeadCodeScan::scanBackwards(const clang::CFGBlock *Start,