From: Chris Lattner <sabre@nondot.org>
Date: Sun, 25 Sep 2005 07:06:48 +0000 (+0000)
Subject: Fix some logic I broke that caused a regression on
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=aebac50e776933bd6fb4f04e3c6c79d6fb7dab81

Fix some logic I broke that caused a regression on
SimplifyLibCalls/2005-05-20-sprintf-crash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23430 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp
index a11bde10a6b..ae76a4d11bc 100644
--- a/lib/Transforms/IPO/SimplifyLibCalls.cpp
+++ b/lib/Transforms/IPO/SimplifyLibCalls.cpp
@@ -1500,9 +1500,11 @@ public:
       new CallInst(memcpy_func, args, "", ci);
       
       // The strlen result is the unincremented number of bytes in the string.
-      if (!ci->use_empty() && Len->getType() != ci->getType())
-        Len = new CastInst(Len, ci->getType(), Len->getName(), ci);
-      ci->replaceAllUsesWith(Len);
+      if (!ci->use_empty()) {
+        if (Len->getType() != ci->getType())
+          Len = new CastInst(Len, ci->getType(), Len->getName(), ci);
+        ci->replaceAllUsesWith(Len);
+      }
       ci->eraseFromParent();
       return true;
     }