From: Reid Spencer <rspencer@reidspencer.com>
Date: Sat, 30 Apr 2005 06:45:47 +0000 (+0000)
Subject: Fix a comment that stated the wrong thing.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=63a7513ac1a9ba97a9d94244f7459f80503f681f;p=oota-llvm.git

Fix a comment that stated the wrong thing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21638 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp
index 95faac20713..9a4a4f32730 100644
--- a/lib/Transforms/IPO/SimplifyLibCalls.cpp
+++ b/lib/Transforms/IPO/SimplifyLibCalls.cpp
@@ -511,11 +511,8 @@ public:
   virtual bool OptimizeCall(CallInst* ci, SimplifyLibCalls& SLC)
   {
     // First, check to see if src and destination are the same. If they are,
-    // then the optimization is to replace the CallInst with the destination
-    // because the call is a no-op. Note that this corresponds to the 
-    // degenerate strcpy(X,X) case which should have "undefined" results
-    // according to the C specification. However, it occurs sometimes and
-    // we optimize it as a no-op.
+    // then the optimization is to replace the CallInst with a constant 0
+    // because the call is a no-op. 
     Value* s1 = ci->getOperand(1);
     Value* s2 = ci->getOperand(2);
     if (s1 == s2)