split dom frontier handling stuff out to its own DominanceFrontier header,
so that Dominators.h is *just* domtree. Also prune #includes a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122714 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/LoopSimplify.cpp b/lib/Transforms/Utils/LoopSimplify.cpp
index 2e5b113..5ec0f10 100644
--- a/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/lib/Transforms/Utils/LoopSimplify.cpp
@@ -46,7 +46,7 @@
#include "llvm/LLVMContext.h"
#include "llvm/Type.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/Dominators.h"
+#include "llvm/Analysis/DominanceFrontier.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/ScalarEvolution.h"
@@ -163,9 +163,8 @@
for (SmallPtrSet<BasicBlock*, 4>::iterator I = BadPreds.begin(),
E = BadPreds.end(); I != E; ++I) {
- DEBUG(dbgs() << "LoopSimplify: Deleting edge from dead predecessor ";
- WriteAsOperand(dbgs(), *I, false);
- dbgs() << "\n");
+ DEBUG(dbgs() << "LoopSimplify: Deleting edge from dead predecessor "
+ << (*I)->getName() << "\n");
// Inform each successor of each dead pred.
for (succ_iterator SI = succ_begin(*I), SE = succ_end(*I); SI != SE; ++SI)
@@ -190,9 +189,8 @@
if (BI->isConditional()) {
if (UndefValue *Cond = dyn_cast<UndefValue>(BI->getCondition())) {
- DEBUG(dbgs() << "LoopSimplify: Resolving \"br i1 undef\" to exit in ";
- WriteAsOperand(dbgs(), *I, false);
- dbgs() << "\n");
+ DEBUG(dbgs() << "LoopSimplify: Resolving \"br i1 undef\" to exit in "
+ << (*I)->getName() << "\n");
BI->setCondition(ConstantInt::get(Cond->getType(),
!L->contains(BI->getSuccessor(0))));
@@ -324,10 +322,8 @@
// Success. The block is now dead, so remove it from the loop,
// update the dominator tree and dominance frontier, and delete it.
-
- DEBUG(dbgs() << "LoopSimplify: Eliminating exiting block ";
- WriteAsOperand(dbgs(), ExitingBlock, false);
- dbgs() << "\n");
+ DEBUG(dbgs() << "LoopSimplify: Eliminating exiting block "
+ << ExitingBlock->getName() << "\n");
assert(pred_begin(ExitingBlock) == pred_end(ExitingBlock));
Changed = true;
@@ -384,9 +380,8 @@
SplitBlockPredecessors(Header, &OutsideBlocks[0], OutsideBlocks.size(),
".preheader", this);
- DEBUG(dbgs() << "LoopSimplify: Creating pre-header ";
- WriteAsOperand(dbgs(), NewBB, false);
- dbgs() << "\n");
+ DEBUG(dbgs() << "LoopSimplify: Creating pre-header " << NewBB->getName()
+ << "\n");
// Make sure that NewBB is put someplace intelligent, which doesn't mess up
// code layout too horribly.
@@ -415,10 +410,8 @@
LoopBlocks.size(), ".loopexit",
this);
- DEBUG(dbgs() << "LoopSimplify: Creating dedicated exit block ";
- WriteAsOperand(dbgs(), NewBB, false);
- dbgs() << "\n");
-
+ DEBUG(dbgs() << "LoopSimplify: Creating dedicated exit block "
+ << NewBB->getName() << "\n");
return NewBB;
}
@@ -649,9 +642,8 @@
Header->getName()+".backedge", F);
BranchInst *BETerminator = BranchInst::Create(Header, BEBlock);
- DEBUG(dbgs() << "LoopSimplify: Inserting unique backedge block ";
- WriteAsOperand(dbgs(), BEBlock, false);
- dbgs() << "\n");
+ DEBUG(dbgs() << "LoopSimplify: Inserting unique backedge block "
+ << BEBlock->getName() << "\n");
// Move the new backedge block to right after the last backedge block.
Function::iterator InsertPos = BackedgeBlocks.back(); ++InsertPos;