From 0fcee0639e6de9f40dbf63b4d0d6f807a3d87ac5 Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Wed, 24 Oct 2007 20:14:50 +0000 Subject: [PATCH] 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 | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp index 717a5a847f8..0904c4c6c19 100644 --- 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)); }