[llvm-commits] [llvm] r46553 - /llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp

[Nick Lewycky]

Author: nicholas
Date: Wed Jan 30 01:45:37 2008
New Revision: 46553

URL: http://llvm.org/viewvc/llvm-project?rev=46553&view=rev
Log:
Don't DCE FreeInst's. We were using those! Patch from Owen Anderson.

Modified:
    llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp?rev=46553&r1=46552&r2=46553&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp Wed Jan 30 01:45:37 2008
@@ -420,7 +420,7 @@
     } else {
       // For any non-memory-affecting non-terminators, DCE them as we reach them
       Instruction *CI = BBI;
-      if (!CI->isTerminator() && CI->getNumUses() == 0) {
+      if (!CI->isTerminator() && CI->getNumUses() == 0 && !isa<FreeInst>(CI)) {
         
         // DCE instructions only used to calculate that load
         for (Instruction::op_iterator OI = CI->op_begin(), OE = CI->op_end();