Avoid inserting an entry block unless we need it
[oota-llvm.git] / lib / Transforms / Scalar / IndVarSimplify.cpp
index 35fe697f0f9c63feccf6c3732c636343e0e671a3..4e3e65beaf3363790f564c5b9450c4c84d7fdb64 100644 (file)
@@ -8,7 +8,6 @@
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/Analysis/InductionVariable.h"
 #include "llvm/Analysis/LoopInfo.h"
-#include "llvm/Analysis/Writer.h"
 #include "llvm/iPHINode.h"
 #include "llvm/iOther.h"
 #include "llvm/Type.h"
@@ -127,7 +126,7 @@ static bool TransformLoop(LoopInfo *Loops, Loop *Loop) {
   for (unsigned i = 0; i < IndVars.size(); ++i) {
     InductionVariable *IV = &IndVars[i];
 
-    DEBUG(std::cerr << IV);
+    DEBUG(IV->print(std::cerr));
 
     // Don't modify the cannonical indvar or unrecognized indvars...
     if (IV != Cannonical && IV->InductionType != InductionVariable::Unknown) {
@@ -194,11 +193,11 @@ namespace {
     }
     
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired(LoopInfo::ID);
+      AU.addRequired<LoopInfo>();
       AU.preservesCFG();
     }
   };
-  RegisterPass<InductionVariableSimplify> X("indvars",
+  RegisterOpt<InductionVariableSimplify> X("indvars",
                                            "Cannonicalize Induction Variables");
 }