Add support for printing out statistics information when -stats is added to

the command line

llvm-svn: 2601

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index f67e6d671fa..1afb11a986f 100644
--- a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -26,6 +26,9 @@
 #include "llvm/BasicBlock.h"
 #include "llvm/Constant.h"
 #include "llvm/Type.h"
+#include "Support/StatisticReporter.h"
+
+static Statistic<> NumPromoted("mem2reg\t\t- Number of alloca's promoted");
 
 using std::vector;
 using std::map;
@@ -187,6 +190,8 @@ bool PromotePass::runOnFunction(Function *F) {
     delete I;
   }
 
+  NumPromoted += Allocas.size();
+
   // Purge data structurse so they are available the next iteration...
   Allocas.clear();
   AllocaLookup.clear();