| LoopSimplify.cpp (199481) | LoopSimplify.cpp (199511) |
|---|---|
| 1//===- LoopSimplify.cpp - Loop Canonicalization Pass ----------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 291 unchanged lines hidden (view full) --- 300 if (DF) DF->removeBlock(ExitingBlock); 301 302 BI->getSuccessor(0)->removePredecessor(ExitingBlock); 303 BI->getSuccessor(1)->removePredecessor(ExitingBlock); 304 ExitingBlock->eraseFromParent(); 305 } 306 } 307 | 1//===- LoopSimplify.cpp - Loop Canonicalization Pass ----------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 291 unchanged lines hidden (view full) --- 300 if (DF) DF->removeBlock(ExitingBlock); 301 302 BI->getSuccessor(0)->removePredecessor(ExitingBlock); 303 BI->getSuccessor(1)->removePredecessor(ExitingBlock); 304 ExitingBlock->eraseFromParent(); 305 } 306 } 307 |
| 308 // If there are duplicate phi nodes (for example, from loop rotation), 309 // get rid of them. 310 for (Loop::block_iterator BB = L->block_begin(), E = L->block_end(); 311 BB != E; ++BB) 312 EliminateDuplicatePHINodes(*BB); 313 |
|
| 308 return Changed; 309} 310 311/// InsertPreheaderForLoop - Once we discover that a loop doesn't have a 312/// preheader, this method is called to insert one. This method has two phases: 313/// preheader insertion and analysis updating. 314/// 315BasicBlock *LoopSimplify::InsertPreheaderForLoop(Loop *L) { --- 368 unchanged lines hidden --- | 314 return Changed; 315} 316 317/// InsertPreheaderForLoop - Once we discover that a loop doesn't have a 318/// preheader, this method is called to insert one. This method has two phases: 319/// preheader insertion and analysis updating. 320/// 321BasicBlock *LoopSimplify::InsertPreheaderForLoop(Loop *L) { --- 368 unchanged lines hidden --- |