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

[Chris Lattner]

Changes in directory llvm/lib/Transforms/IPO:

IPConstantPropagation.cpp updated: 1.12 -> 1.13
---
Log message:

Actually, leave the check in.  This prevents us from counting dead arguments
as IPCP opportunities.


---
Diffs of the changes:  (+1 -1)

Index: llvm/lib/Transforms/IPO/IPConstantPropagation.cpp
diff -u llvm/lib/Transforms/IPO/IPConstantPropagation.cpp:1.12 llvm/lib/Transforms/IPO/IPConstantPropagation.cpp:1.13
--- llvm/lib/Transforms/IPO/IPConstantPropagation.cpp:1.12	Thu Nov 11 01:46:29 2004
+++ llvm/lib/Transforms/IPO/IPConstantPropagation.cpp	Thu Nov 11 01:47:54 2004
@@ -113,7 +113,7 @@
   bool MadeChange = false;
   for (unsigned i = 0, e = ArgumentConstants.size(); i != e; ++i, ++AI)
     // Do we have a constant argument!?
-    if (!ArgumentConstants[i].second) {
+    if (!ArgumentConstants[i].second && !AI->use_empty()) {
       Value *V = ArgumentConstants[i].first;
       if (V == 0) V = UndefValue::get(AI->getType());
       AI->replaceAllUsesWith(V);