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

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Utils:

PromoteMemoryToRegister.cpp updated: 1.87 -> 1.88
---
Log message:

switch an std::set over to a SmallPtrSet, speeding up mem2reg 6% on 176.gcc.


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

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


Index: llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
diff -u llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp:1.87 llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp:1.88
--- llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp:1.87	Mon Feb  5 16:13:11 2007
+++ llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp	Mon Feb  5 16:15:21 2007
@@ -84,7 +84,7 @@
 
     /// Visited - The set of basic blocks the renamer has already visited.
     ///
-    std::set<BasicBlock*> Visited;
+    SmallPtrSet<BasicBlock*, 16> Visited;
 
     /// BBNumbers - Contains a stable numbering of basic blocks to avoid
     /// non-determinstic behavior.