[llvm-commits] [llvm] r43309 - /llvm/trunk/lib/Transforms/IPO/SimplifyLibCalls.cpp

[Dale Johannesen]

Author: johannes
Date: Wed Oct 24 15:14:50 2007
New Revision: 43309

URL: http://llvm.org/viewvc/llvm-project?rev=43309&view=rev
Log:
Fix off by 1 bug in printf->puts lowering.


Modified:
    llvm/trunk/lib/Transforms/IPO/SimplifyLibCalls.cpp

Modified: llvm/trunk/lib/Transforms/IPO/SimplifyLibCalls.cpp
URL: 
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/SimplifyLibCalls.cpp?rev=43309&r1=43308&r2=43309&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/IPO/SimplifyLibCalls.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/SimplifyLibCalls.cpp Wed Oct 24 15:14:50 2007
@@ -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));
     }
     
     


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