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

diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp
index 717a5a847f878cda2b647977f6f7fa77506ca289..0904c4c6c19e779bb5bdd18403cc7f20cb22cb17 100644 (file)
--- a/lib/Transforms/IPO/SimplifyLibCalls.cpp
+++ b/lib/Transforms/IPO/SimplifyLibCalls.cpp
@@ -1211,8 +1211,10 @@ public:
       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));
     }