//
// 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.
//
//===----------------------------------------------------------------------===//
//
#ifndef LLVM_TRANSFORMS_SCALAR_H
#define LLVM_TRANSFORMS_SCALAR_H
-#include <cstdlib>
-
namespace llvm {
-class ModulePass;
class FunctionPass;
+class Pass;
class GetElementPtrInst;
class PassInfo;
class TerminatorInst;
class TargetLowering;
-//===----------------------------------------------------------------------===//
-//
-// RaisePointerReferences - Try to eliminate as many pointer arithmetic
-// expressions as possible, by converting expressions to use getelementptr and
-// friends.
-//
-FunctionPass *createRaisePointerReferencesPass();
-
//===----------------------------------------------------------------------===//
//
// ConstantPropagation - A worklist driven constant propagation pass
// without modifying the CFG of the function. It is a BasicBlockPass, so it
// runs efficiently when queued next to other BasicBlockPass's.
//
-FunctionPass *createDeadInstEliminationPass();
+Pass *createDeadInstEliminationPass();
//===----------------------------------------------------------------------===//
//
// ScalarReplAggregates - Break up alloca's of aggregates into multiple allocas
// if possible.
//
-FunctionPass *createScalarReplAggregatesPass();
-
-//===----------------------------------------------------------------------===//
-//
-// GCSE - This pass is designed to be a very quick global transformation that
-// eliminates global common subexpressions from a function. It does this by
-// examining the SSA value graph of the function, instead of doing slow
-// bit-vector computations.
-//
-FunctionPass *createGCSEPass();
+FunctionPass *createScalarReplAggregatesPass(signed Threshold = -1);
//===----------------------------------------------------------------------===//
//
// InductionVariableSimplify - Transform induction variables in a program to all
// use a single canonical induction variable per loop.
//
-FunctionPass *createIndVarSimplifyPass();
+Pass *createIndVarSimplifyPass();
//===----------------------------------------------------------------------===//
//
//
// LICM - This pass is a loop invariant code motion and memory promotion pass.
//
-FunctionPass *createLICMPass();
+Pass *createLICMPass();
//===----------------------------------------------------------------------===//
//
// optional parameter used to consult the target machine whether certain
// transformations are profitable.
//
-FunctionPass *createLoopStrengthReducePass(const TargetLowering *TLI = NULL);
+Pass *createLoopStrengthReducePass(const TargetLowering *TLI = 0);
//===----------------------------------------------------------------------===//
//
// LoopUnswitch - This pass is a simple loop unswitching pass.
//
-FunctionPass *createLoopUnswitchPass();
+Pass *createLoopUnswitchPass(bool OptimizeForSize = false);
//===----------------------------------------------------------------------===//
//
// LoopUnroll - This pass is a simple loop unrolling pass.
//
-FunctionPass *createLoopUnrollPass();
+Pass *createLoopUnrollPass();
+
+//===----------------------------------------------------------------------===//
+//
+// LoopRotate - This pass is a simple loop rotating pass.
+//
+Pass *createLoopRotatePass();
+
+//===----------------------------------------------------------------------===//
+//
+// LoopIndexSplit - This pass divides loop's iteration range by spliting loop
+// such that each individual loop is executed efficiently.
+//
+Pass *createLoopIndexSplitPass();
//===----------------------------------------------------------------------===//
//
// this pass is:
//
// FROM CODE TO CODE
-// %X = alloca int, uint 1 ret int 42
-// store int 42, int *%X
-// %Y = load int* %X
-// ret int %Y
+// %X = alloca i32, i32 1 ret i32 42
+// store i32 42, i32 *%X
+// %Y = load i32* %X
+// ret i32 %Y
//
FunctionPass *createPromoteMemoryToRegisterPass();
-extern const PassInfo *PromoteMemoryToRegisterID;
+extern const PassInfo *const PromoteMemoryToRegisterID;
//===----------------------------------------------------------------------===//
//
// hacking easier.
//
FunctionPass *createDemoteRegisterToMemoryPass();
-extern const PassInfo *DemoteRegisterToMemoryID;
+extern const PassInfo *const 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
//
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,
// (set, immediate dominators, tree, and frontier) information.
//
FunctionPass *createBreakCriticalEdgesPass();
-extern const PassInfo *BreakCriticalEdgesID;
+extern const PassInfo *const 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;
//===----------------------------------------------------------------------===//
//
//
// AU.addRequiredID(LowerAllocationsID);
//
-FunctionPass *createLowerAllocationsPass(bool LowerMallocArgToInteger = false);
-extern const PassInfo *LowerAllocationsID;
+Pass *createLowerAllocationsPass(bool LowerMallocArgToInteger = false);
+extern const PassInfo *const LowerAllocationsID;
//===----------------------------------------------------------------------===//
//
// chained binary branch instructions.
//
FunctionPass *createLowerSwitchPass();
-extern const PassInfo *LowerSwitchID;
-
-//===----------------------------------------------------------------------===//
-//
-// LowerPacked - This pass converts PackedType operations into low-level scalar
-// operations.
-//
-FunctionPass *createLowerPackedPass();
+extern const PassInfo *const LowerSwitchID;
//===----------------------------------------------------------------------===//
//
// purpose "my LLVM-to-LLVM pass doesn't support the invoke instruction yet"
// 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();
+FunctionPass *createLowerInvokePass(const TargetLowering *TLI = 0);
+extern const PassInfo *const LowerInvokePassID;
//===----------------------------------------------------------------------===//
//
// LCSSA - This pass inserts phi nodes at loop boundaries to simplify other loop
// optimizations.
//
-FunctionPass *createLCSSAPass();
-extern const PassInfo *LCSSAID;
+Pass *createLCSSAPass();
+extern const PassInfo *const LCSSAID;
//===----------------------------------------------------------------------===//
//
//
FunctionPass *createPredicateSimplifierPass();
+//===----------------------------------------------------------------------===//
+//
+// GVN-PRE - This pass performs global value numbering and partial redundancy
+// elimination.
+//
+FunctionPass *createGVNPREPass();
+
+//===----------------------------------------------------------------------===//
+//
+// GVN - This pass performs global value numbering and redundant load
+// elimination cotemporaneously.
+//
+FunctionPass *createGVNPass();
+
+//===----------------------------------------------------------------------===//
+//
+// MemCpyOpt - This pass performs optimizations related to eliminating memcpy
+// calls and/or combining multiple stores into memset's.
+//
+FunctionPass *createMemCpyOptPass();
+
+//===----------------------------------------------------------------------===//
+//
+// LoopDeletion - This pass performs DCE of non-infinite loops that it
+// can prove are dead.
+//
+Pass *createLoopDeletionPass();
+
+//===----------------------------------------------------------------------===//
+//
+/// createSimplifyLibCallsPass - This pass optimizes specific calls to
+/// specific well-known (library) functions.
+FunctionPass *createSimplifyLibCallsPass();
+
+//===----------------------------------------------------------------------===//
+//
+/// createSimplifyHalfPowrLibCallsPass - This is an experimental pass that
+/// optimizes specific half_pow functions.
+FunctionPass *createSimplifyHalfPowrLibCallsPass();
+
+//===----------------------------------------------------------------------===//
+//
+// CodeGenPrepare - This pass prepares a function for instruction selection.
+//
+FunctionPass *createCodeGenPreparePass(const TargetLowering *TLI = 0);
+
+
+//===----------------------------------------------------------------------===//
+//
+// InstructionNamer - Give any unnamed non-void instructions "tmp" names.
+//
+FunctionPass *createInstructionNamerPass();
+extern const PassInfo *const InstructionNamerID;
+
} // End llvm namespace
#endif
projects / oota-llvm.git / blobdiff