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

[Chris Lattner]

Changes in directory llvm/lib/Transforms/IPO:

GlobalOpt.cpp updated: 1.52 -> 1.53
---
Log message:

Remove some dead code.  ctor evaluation subsumes empty ctor elim


---
Diffs of the changes:  (+0 -12)

 GlobalOpt.cpp |   12 ------------
 1 files changed, 12 deletions(-)


Index: llvm/lib/Transforms/IPO/GlobalOpt.cpp
diff -u llvm/lib/Transforms/IPO/GlobalOpt.cpp:1.52 llvm/lib/Transforms/IPO/GlobalOpt.cpp:1.53
--- llvm/lib/Transforms/IPO/GlobalOpt.cpp:1.52	Mon Sep 26 12:07:09 2005
+++ llvm/lib/Transforms/IPO/GlobalOpt.cpp	Mon Sep 26 15:38:20 2005
@@ -45,7 +45,6 @@
                               "Number of global vars shrunk to booleans");
   Statistic<> NumFastCallFns("globalopt",
                              "Number of functions converted to fastcc");
-  Statistic<> NumEmptyCtor  ("globalopt", "Number of empty ctors removed");
   Statistic<> NumCtorsEvaluated("globalopt","Number of static ctors evaluated");
 
   struct GlobalOpt : public ModulePass {
@@ -926,7 +925,6 @@
                                       Module::global_iterator &GVI) {
   std::set<PHINode*> PHIUsers;
   GlobalStatus GS;
-  PHIUsers.clear();
   GV->removeDeadConstantUsers();
 
   if (GV->use_empty()) {
@@ -1552,16 +1550,6 @@
       ++NumCtorsEvaluated;
       continue;
     }
-    
-    // If the function is empty, just remove it from the ctor list.
-    if (isa<ReturnInst>(F->begin()->getTerminator()) &&
-        &F->begin()->front() == F->begin()->getTerminator()) {
-      Ctors.erase(Ctors.begin()+i);
-      MadeChange = true;
-      --i;
-      ++NumEmptyCtor;
-      continue;
-    }
   }
   
   if (!MadeChange) return false;