[llvm-commits] CVS: llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp

[Reid Spencer]

Changes in directory llvm/lib/Transforms/IPO:

SimplifyLibCalls.cpp updated: 1.24 -> 1.25
---
Log message:

Fix a comment that stated the wrong thing.


---
Diffs of the changes:  (+2 -5)

 SimplifyLibCalls.cpp |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)


Index: llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp
diff -u llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp:1.24 llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp:1.25
--- llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp:1.24	Fri Apr 29 22:17:54 2005
+++ llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp	Sat Apr 30 01:45:47 2005
@@ -511,11 +511,8 @@
   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)