Debug info: Add a new explicit DIDescriptor flag for the "public" access

[oota-llvm.git] / lib / CodeGen / UnreachableBlockElim.cpp

diff --git a/lib/CodeGen/UnreachableBlockElim.cpp b/lib/CodeGen/UnreachableBlockElim.cpp
index 0476a1292f84ba3620701b563bcd38429e70f9d6..7824f92185755e9c7241b545c1d9b9e879cd4f4e 100644 (file)
--- a/lib/CodeGen/UnreachableBlockElim.cpp
+++ b/lib/CodeGen/UnreachableBlockElim.cpp
@@ -64,9 +64,8 @@ bool UnreachableBlockElim::runOnFunction(Function &F) {
   SmallPtrSet<BasicBlock*, 8> Reachable;
 
   // Mark all reachable blocks.
-  for (df_ext_iterator<Function*, SmallPtrSet<BasicBlock*, 8> > I =
-       df_ext_begin(&F, Reachable), E = df_ext_end(&F, Reachable); I != E; ++I)
-    /* Mark all reachable blocks */;
+  for (BasicBlock *BB : depth_first_ext(&F, Reachable))
+    (void)BB/* Mark all reachable blocks */;
 
   // Loop over all dead blocks, remembering them and deleting all instructions
   // in them.
@@ -79,8 +78,8 @@ bool UnreachableBlockElim::runOnFunction(Function &F) {
         PN->replaceAllUsesWith(Constant::getNullValue(PN->getType()));
         BB->getInstList().pop_front();
       }
-      for (BasicBlock *S : successors(BB))
-        S->removePredecessor(BB);
+      for (succ_iterator SI = succ_begin(BB), E = succ_end(BB); SI != E; ++SI)
+        (*SI)->removePredecessor(BB);
       BB->dropAllReferences();
     }
 
@@ -125,10 +124,8 @@ bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) {
   MachineLoopInfo *MLI = getAnalysisIfAvailable<MachineLoopInfo>();
 
   // Mark all reachable blocks.
-  for (df_ext_iterator<MachineFunction*, SmallPtrSet<MachineBasicBlock*, 8> >
-       I = df_ext_begin(&F, Reachable), E = df_ext_end(&F, Reachable);
-       I != E; ++I)
-    /* Mark all reachable blocks */;
+  for (MachineBasicBlock *BB : depth_first_ext(&F, Reachable))
+    (void)BB/* Mark all reachable blocks */;
 
   // Loop over all dead blocks, remembering them and deleting all instructions
   // in them.