X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FTransforms%2FScalar.h;h=2c4f650a06a0f81f160960acafc15e2037513ef0;hb=2d24e2a396a1d211baaeedf32148a3b657240170;hp=1d6445c64e3671287f9b0b94934bf4850762ed9a;hpb=1bc89361c2ba023f305bf00edd4b5d95b021cac6;p=oota-llvm.git diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h index 1d6445c64e3..2c4f650a06a 100644 --- 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. // //===----------------------------------------------------------------------===// // @@ -15,12 +15,9 @@ #ifndef LLVM_TRANSFORMS_SCALAR_H #define LLVM_TRANSFORMS_SCALAR_H -#include - namespace llvm { class FunctionPass; -class LoopPass; class Pass; class GetElementPtrInst; class PassInfo; @@ -76,23 +73,15 @@ FunctionPass *createAggressiveDCEPass(); // 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, + bool UseDomTree = true); //===----------------------------------------------------------------------===// // // InductionVariableSimplify - Transform induction variables in a program to all // use a single canonical induction variable per loop. // -FunctionPass *createIndVarSimplifyPass(); +Pass *createIndVarSimplifyPass(); //===----------------------------------------------------------------------===// // @@ -112,7 +101,7 @@ FunctionPass *createInstructionCombiningPass(); // // LICM - This pass is a loop invariant code motion and memory promotion pass. // -FunctionPass *createLICMPass(); +Pass *createLICMPass(); //===----------------------------------------------------------------------===// // @@ -121,20 +110,40 @@ FunctionPass *createLICMPass(); // optional parameter used to consult the target machine whether certain // transformations are profitable. // -LoopPass *createLoopStrengthReducePass(const TargetLowering *TLI = NULL); +Pass *createLoopStrengthReducePass(const TargetLowering *TLI = 0); + +Pass *createGlobalMergePass(const TargetLowering *TLI = 0); //===----------------------------------------------------------------------===// // // LoopUnswitch - This pass is a simple loop unswitching pass. // -LoopPass *createLoopUnswitchPass(); +Pass *createLoopUnswitchPass(bool OptimizeForSize = false); + +//===----------------------------------------------------------------------===// +// +// LoopInstSimplify - This pass simplifies instructions in a loop's body. +// +Pass *createLoopInstSimplifyPass(); //===----------------------------------------------------------------------===// // // LoopUnroll - This pass is a simple loop unrolling pass. // -FunctionPass *createLoopUnrollPass(); +Pass *createLoopUnrollPass(int Threshold = -1, int Count = -1, int AllowPartial = -1); + +//===----------------------------------------------------------------------===// +// +// LoopRotate - This pass is a simple loop rotating pass. +// +Pass *createLoopRotatePass(); +//===----------------------------------------------------------------------===// +// +// LoopIdiom - This pass recognizes and replaces idioms in loops. +// +Pass *createLoopIdiomPass(); + //===----------------------------------------------------------------------===// // // PromoteMemoryToRegister - This pass is used to promote memory references to @@ -142,13 +151,12 @@ FunctionPass *createLoopUnrollPass(); // 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; //===----------------------------------------------------------------------===// // @@ -157,7 +165,7 @@ extern const PassInfo *PromoteMemoryToRegisterID; // hacking easier. // FunctionPass *createDemoteRegisterToMemoryPass(); -extern const PassInfo *DemoteRegisterToMemoryID; +extern char &DemoteRegisterToMemoryID; //===----------------------------------------------------------------------===// // @@ -170,30 +178,11 @@ 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 -// expressions through the program, allowing it to eliminate conditional -// branches in some cases. -// -FunctionPass *createCondPropagationPass(); - -//===----------------------------------------------------------------------===// -// -// TailDuplication - Eliminate unconditional branches through controlled code -// duplication, creating simpler CFG structures. +// JumpThreading - Thread control through mult-pred/multi-succ blocks where some +// preds always go to some succ. // -FunctionPass *createTailDuplicationPass(); - +FunctionPass *createJumpThreadingPass(); + //===----------------------------------------------------------------------===// // // CFGSimplification - Merge basic blocks, eliminate unreachable blocks, @@ -213,7 +202,7 @@ FunctionPass *createCFGSimplificationPass(); // (set, immediate dominators, tree, and frontier) information. // FunctionPass *createBreakCriticalEdgesPass(); -extern const PassInfo *BreakCriticalEdgesID; +extern char &BreakCriticalEdgesID; //===----------------------------------------------------------------------===// // @@ -223,27 +212,8 @@ 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; - -//===----------------------------------------------------------------------===// -// -// LowerAllocations - Turn malloc and free instructions into %malloc and %free -// calls. -// -// AU.addRequiredID(LowerAllocationsID); -// -Pass *createLowerAllocationsPass(bool LowerMallocArgToInteger = false); -extern const PassInfo *LowerAllocationsID; +Pass *createLoopSimplifyPass(); +extern char &LoopSimplifyID; //===----------------------------------------------------------------------===// // @@ -258,14 +228,7 @@ 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 char &LowerSwitchID; //===----------------------------------------------------------------------===// // @@ -277,15 +240,10 @@ FunctionPass *createLowerPackedPass(); // 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); +FunctionPass *createLowerInvokePass(const TargetLowering *TLI, + bool useExpensiveEHSupport); +extern char &LowerInvokePassID; //===----------------------------------------------------------------------===// // @@ -299,15 +257,106 @@ FunctionPass *createBlockPlacementPass(); // LCSSA - This pass inserts phi nodes at loop boundaries to simplify other loop // optimizations. // -FunctionPass *createLCSSAPass(); -extern const PassInfo *LCSSAID; +Pass *createLCSSAPass(); +extern char &LCSSAID; + +//===----------------------------------------------------------------------===// +// +// EarlyCSE - This pass performs a simple and fast CSE pass over the dominator +// tree. +// +FunctionPass *createEarlyCSEPass(); + +//===----------------------------------------------------------------------===// +// +// GVN - This pass performs global value numbering and redundant load +// elimination cotemporaneously. +// +FunctionPass *createGVNPass(bool NoLoads = false); + +//===----------------------------------------------------------------------===// +// +// 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(); + +//===----------------------------------------------------------------------===// +// +// 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 char &InstructionNamerID; + +//===----------------------------------------------------------------------===// +// +// Sink - Code Sinking +// +FunctionPass *createSinkingPass(); + +//===----------------------------------------------------------------------===// +// +// LowerAtomic - Lower atomic intrinsics to non-atomic form +// +Pass *createLowerAtomicPass(); + +//===----------------------------------------------------------------------===// +// +// ValuePropagation - Propagate CFG-derived value information +// +Pass *createCorrelatedValuePropagationPass(); + +//===----------------------------------------------------------------------===// +// +// ObjCARCExpand - ObjC ARC preliminary simplifications. +// +Pass *createObjCARCExpandPass(); + +//===----------------------------------------------------------------------===// +// +// ObjCARCContract - Late ObjC ARC cleanups. +// +Pass *createObjCARCContractPass(); + +//===----------------------------------------------------------------------===// +// +// ObjCARCOpt - ObjC ARC optimization. +// +Pass *createObjCARCOptPass(); //===----------------------------------------------------------------------===// // -// PredicateSimplifier - This pass collapses duplicate variables into one -// canonical form, and tries to simplify expressions along the way. +// InstructionSimplifier - Remove redundant instructions. +// +FunctionPass *createInstructionSimplifierPass(); +extern char &InstructionSimplifierID; + + +//===----------------------------------------------------------------------===// // -FunctionPass *createPredicateSimplifierPass(); +// LowerExpectIntriniscs - Removes llvm.expect intrinsics and creates +// "block_weights" metadata. +FunctionPass *createLowerExpectIntrinsicPass(); + } // End llvm namespace