From: Chris Lattner <sabre@nondot.org>
Date: Mon, 21 Apr 2008 03:18:33 +0000 (+0000)
Subject: don't assume that the argument passed to fprintf("%s"  is a string.  This
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=281def945608e177e7ca8bcaf142b58a06e0892d;p=oota-llvm.git

don't assume that the argument passed to fprintf("%s"  is a string.  This
fixes a crash in opt on 433.milc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50023 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp
index 6e4ac5ae4ae..10393bc3c6d 100644
--- a/lib/Transforms/IPO/SimplifyLibCalls.cpp
+++ b/lib/Transforms/IPO/SimplifyLibCalls.cpp
@@ -1390,7 +1390,7 @@ public:
       
       // If the result of the fprintf call is used, we can't do this.
       // TODO: we should insert a strlen call.
-      if (!CI->use_empty())
+      if (!CI->use_empty() || !isa<PointerType>(CI->getOperand(3)->getType()))
         return false;
       
       // fprintf(file,"%s",str) -> fputs(str,file)