The TargetData is not used for the isPowerOfTwo determination. It has never

[oota-llvm.git] / include / llvm / CodeGen / MachineDominators.h

diff --git a/include/llvm/CodeGen/MachineDominators.h b/include/llvm/CodeGen/MachineDominators.h
index 086528aaf57c37463849e65a877769349f0dbeef..40b2542fd6f5dcbe04fddd82a7e4712b705af8a9 100644 (file)
--- a/include/llvm/CodeGen/MachineDominators.h
+++ b/include/llvm/CodeGen/MachineDominators.h
@@ -15,11 +15,11 @@
 #ifndef LLVM_CODEGEN_MACHINEDOMINATORS_H
 #define LLVM_CODEGEN_MACHINEDOMINATORS_H
 
+#include "llvm/Analysis/DominatorInternals.h"
+#include "llvm/Analysis/Dominators.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/Analysis/Dominators.h"
-#include "llvm/Analysis/DominatorInternals.h"
 
 namespace llvm {
 
@@ -84,7 +84,8 @@ public:
 
     // Loop through the basic block until we find A or B.
     MachineBasicBlock::iterator I = BBA->begin();
-    for (; &*I != A && &*I != B; ++I) /*empty*/;
+    for (; &*I != A && &*I != B; ++I)
+      /*empty*/ ;
 
     //if(!DT.IsPostDominators) {
       // A dominates B if it is found first in the basic block.
@@ -145,7 +146,7 @@ public:
   }
   
   /// eraseNode - Removes a node from  the dominator tree. Block must not
-  /// domiante any other blocks. Removes node from its immediate dominator's
+  /// dominate any other blocks. Removes node from its immediate dominator's
   /// children list. Deletes dominator node associated with basic block BB.
   inline void eraseNode(MachineBasicBlock *BB) {
     DT->eraseNode(BB);
@@ -156,8 +157,13 @@ public:
   inline void splitBlock(MachineBasicBlock* NewBB) {
     DT->splitBlock(NewBB);
   }
-  
-  
+
+  /// isReachableFromEntry - Return true if A is dominated by the entry
+  /// block of the function containing it.
+  bool isReachableFromEntry(MachineBasicBlock *A) {
+    return DT->isReachableFromEntry(A);
+  }
+
   virtual void releaseMemory();
   
   virtual void print(raw_ostream &OS, const Module*) const;