[llvm-commits] CVS: llvm/lib/Transforms/Utils/SimplifyCFG.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Utils:

SimplifyCFG.cpp updated: 1.74 -> 1.75
---
Log message:

Disable this patch:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20050801/027345.html

This breaks real programs and only fixes an obscure regression testcase.  A
real fix is in development.



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

 SimplifyCFG.cpp |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)


Index: llvm/lib/Transforms/Utils/SimplifyCFG.cpp
diff -u llvm/lib/Transforms/Utils/SimplifyCFG.cpp:1.74 llvm/lib/Transforms/Utils/SimplifyCFG.cpp:1.75
--- llvm/lib/Transforms/Utils/SimplifyCFG.cpp:1.74	Tue Aug  2 18:29:23 2005
+++ llvm/lib/Transforms/Utils/SimplifyCFG.cpp	Tue Aug  2 18:31:38 2005
@@ -894,7 +894,7 @@
           // Move all PHI nodes in BB to Succ if they are alive, otherwise
           // delete them.
           while (PHINode *PN = dyn_cast<PHINode>(&BB->front()))
-            if (PN->use_empty() || Succ->getSinglePredecessor() == 0) {
+            if (PN->use_empty() /*|| Succ->getSinglePredecessor() == 0*/) {
               // We can only move the PHI node into Succ if BB dominates Succ.
               // Since BB only has a single successor (Succ), the PHI nodes
               // will dominate Succ, unless Succ has multiple predecessors.  In