commit 488548ace09a1d6049a7dc185dcf36d5d077f880
author Dale Johannesen <dalej@apple.com> Wed Oct 24 20:14:50 2007 +0000
committer Dale Johannesen <dalej@apple.com> Wed Oct 24 20:14:50 2007 +0000
tree d4dec7ee0330e28f01b882b2ea9d5031c49d09de
parent 03a89f80939e85bb8bcc8f0b8b86cfdffdd9585f

Fix off by 1 bug in printf->puts lowering.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43309 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/SimplifyLibCalls.cpp

diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp
index 717a5a8..0904c4c 100644
--- a/lib/Transforms/IPO/SimplifyLibCalls.cpp
+++ b/lib/Transforms/IPO/SimplifyLibCalls.cpp
@@ -1211,8 +1211,10 @@
       new CallInst(SLC.get_puts(), GV, "", CI);
 
       if (CI->use_empty()) return ReplaceCallWith(CI, 0);
+      // The return value from printf includes the \n we just removed, so +1.
       return ReplaceCallWith(CI,
-                             ConstantInt::get(CI->getType(), FormatStr.size()));
+                             ConstantInt::get(CI->getType(), 
+                                              FormatStr.size()+1));
     }