Whitespace cleanups.

[oota-llvm.git] / include / llvm / Transforms / Scalar.h

diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h
index 7ba7ce85092ef0bbbfb7a117dccc6f12d53457a9..9a165c91c99b4757871917dcf2d789e0b35df9d2 100644 (file)
--- a/include/llvm/Transforms/Scalar.h
+++ b/include/llvm/Transforms/Scalar.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -143,7 +143,8 @@ LoopPass *createLoopRotatePass();
 
 //===----------------------------------------------------------------------===//
 //
-// LoopIndexSplit - This pass splits loop
+// LoopIndexSplit - This pass divides loop's iteration range by spliting loop
+// such that each individual loop is executed efficiently.
 //
 LoopPass *createLoopIndexSplitPass();
 
@@ -161,7 +162,7 @@ LoopPass *createLoopIndexSplitPass();
 //   ret int %Y
 //
 FunctionPass *createPromoteMemoryToRegisterPass();
-extern const PassInfo *PromoteMemoryToRegisterID;
+extern const PassInfo *const PromoteMemoryToRegisterID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -170,7 +171,7 @@ extern const PassInfo *PromoteMemoryToRegisterID;
 // hacking easier.
 //
 FunctionPass *createDemoteRegisterToMemoryPass();
-extern const PassInfo *DemoteRegisterToMemoryID;
+extern const PassInfo *const DemoteRegisterToMemoryID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -181,17 +182,6 @@ extern const PassInfo *DemoteRegisterToMemoryID;
 //
 FunctionPass *createReassociatePass();
 
-//===----------------------------------------------------------------------===//
-//
-// CorrelatedExpressionElimination - This pass eliminates correlated
-// conditions, such as these:
-//  if (X == 0)
-//    if (X > 2) ;   // Known false
-//    else
-//      Y = X * Z;   // = 0
-//
-FunctionPass *createCorrelatedExpressionEliminationPass();
-
 //===----------------------------------------------------------------------===//
 //
 // CondPropagationPass - This pass propagates information about conditional
@@ -207,6 +197,13 @@ FunctionPass *createCondPropagationPass();
 //
 FunctionPass *createTailDuplicationPass();
 
+//===----------------------------------------------------------------------===//
+//
+// JumpThreading - Thread control through mult-pred/multi-succ blocks where some
+// preds always go to some succ.
+//
+FunctionPass *createJumpThreadingPass();
+  
 //===----------------------------------------------------------------------===//
 //
 // CFGSimplification - Merge basic blocks, eliminate unreachable blocks,
@@ -226,7 +223,7 @@ FunctionPass *createCFGSimplificationPass();
 // (set, immediate dominators, tree, and frontier) information.
 //
 FunctionPass *createBreakCriticalEdgesPass();
-extern const PassInfo *BreakCriticalEdgesID;
+extern const PassInfo *const BreakCriticalEdgesID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -237,16 +234,7 @@ extern const PassInfo *BreakCriticalEdgesID;
 //   AU.addRequiredID(LoopSimplifyID);
 //
 FunctionPass *createLoopSimplifyPass();
-extern const PassInfo *LoopSimplifyID;
-
-//===----------------------------------------------------------------------===//
-//
-// LowerSelect - This pass converts SelectInst instructions into conditional
-// branch and PHI instructions. If the OnlyFP flag is set to true, then only
-// floating point select instructions are lowered.
-//
-FunctionPass *createLowerSelectPass(bool OnlyFP = false);
-extern const PassInfo *LowerSelectID;
+extern const PassInfo *const LoopSimplifyID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -256,7 +244,7 @@ extern const PassInfo *LowerSelectID;
 //   AU.addRequiredID(LowerAllocationsID);
 //
 Pass *createLowerAllocationsPass(bool LowerMallocArgToInteger = false);
-extern const PassInfo *LowerAllocationsID;
+extern const PassInfo *const LowerAllocationsID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -271,14 +259,7 @@ FunctionPass *createTailCallEliminationPass();
 // chained binary branch instructions.
 //
 FunctionPass *createLowerSwitchPass();
-extern const PassInfo *LowerSwitchID;
-
-//===----------------------------------------------------------------------===//
-//
-// LowerPacked - This pass converts VectorType operations into low-level scalar
-// operations.
-//
-FunctionPass *createLowerPackedPass();
+extern const PassInfo *const LowerSwitchID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -291,14 +272,7 @@ FunctionPass *createLowerPackedPass();
 // lowering pass.
 //
 FunctionPass *createLowerInvokePass(const TargetLowering *TLI = NULL);
-extern const PassInfo *LowerInvokePassID;
-
-//===----------------------------------------------------------------------===//
-//
-// LowerGCPass - This function returns an instance of the "lowergc" pass, which
-// lowers garbage collection intrinsics to normal LLVM code.
-//
-FunctionPass *createLowerGCPass();
+extern const PassInfo *const LowerInvokePassID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -313,7 +287,7 @@ FunctionPass *createBlockPlacementPass();
 // optimizations.
 //
 LoopPass *createLCSSAPass();
-extern const PassInfo *LCSSAID;
+extern const PassInfo *const LCSSAID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -331,17 +305,30 @@ FunctionPass *createGVNPREPass();
 
 //===----------------------------------------------------------------------===//
 //
-// RedundantLoadElimination - This pass deletes loads that are dominated by
-// must-aliased loads and are not stored to between the loads.
+// GVN - This pass performs global value numbering and redundant load 
+// elimination cotemporaneously.
 //
-FunctionPass *createRedundantLoadEliminationPass();
+FunctionPass *createGVNPass();
 
 //===----------------------------------------------------------------------===//
 //
-// GVN - This pass performs global value numbering and redundant load 
-// elimination cotemporaneously.
+// MemCpyOpt - This pass performs optimizations related to eliminating memcpy
+// calls and/or combining multiple stores into memset's.
 //
-FunctionPass *createGVNPass();
+FunctionPass *createMemCpyOptPass();
+
+//===----------------------------------------------------------------------===//
+//
+// LoopDeletion - This pass performs DCE of non-infinite loops that it
+// can prove are dead.
+//
+LoopPass *createLoopDeletionPass();
+  
+//===----------------------------------------------------------------------===//
+//
+/// createSimplifyLibCallsPass - This pass optimizes specific calls to
+/// specific well-known (library) functions.
+FunctionPass *createSimplifyLibCallsPass();
 
 //===----------------------------------------------------------------------===//
 //