#ifndef LLVM_TRANSFORMS_SCALAR_H
#define LLVM_TRANSFORMS_SCALAR_H
+#include "llvm/ADT/StringRef.h"
+#include <functional>
+
namespace llvm {
+class BasicBlockPass;
+class Function;
class FunctionPass;
+class ModulePass;
class Pass;
class GetElementPtrInst;
class PassInfo;
class TerminatorInst;
class TargetLowering;
+class TargetMachine;
//===----------------------------------------------------------------------===//
//
//
FunctionPass *createConstantPropagationPass();
+//===----------------------------------------------------------------------===//
+//
+// AlignmentFromAssumptions - Use assume intrinsics to set load/store
+// alignments.
+//
+FunctionPass *createAlignmentFromAssumptionsPass();
+
//===----------------------------------------------------------------------===//
//
// SCCP - Sparse conditional constant propagation.
//
FunctionPass *createAggressiveDCEPass();
+//===----------------------------------------------------------------------===//
+//
+// BitTrackingDCE - This pass uses a bit-tracking DCE algorithm in order to
+// remove computations of dead bits.
+//
+FunctionPass *createBitTrackingDCEPass();
+
+//===----------------------------------------------------------------------===//
+//
+// SROA - Replace aggregates or pieces of aggregates with scalar SSA values.
+//
+FunctionPass *createSROAPass(bool RequiresDomTree = true);
+
//===----------------------------------------------------------------------===//
//
// ScalarReplAggregates - Break up alloca's of aggregates into multiple allocas
// if possible.
//
FunctionPass *createScalarReplAggregatesPass(signed Threshold = -1,
- bool UseDomTree = true);
+ bool UseDomTree = true,
+ signed StructMemberThreshold = -1,
+ signed ArrayElementThreshold = -1,
+ signed ScalarLoadThreshold = -1);
+
+//===----------------------------------------------------------------------===//
+//
+// InductiveRangeCheckElimination - Transform loops to elide range checks on
+// linear functions of the induction variable.
+//
+Pass *createInductiveRangeCheckEliminationPass();
//===----------------------------------------------------------------------===//
//
//
Pass *createLICMPass();
+//===----------------------------------------------------------------------===//
+//
+// LoopInterchange - This pass interchanges loops to provide a more
+// cache-friendly memory access patterns.
+//
+Pass *createLoopInterchangePass();
+
//===----------------------------------------------------------------------===//
//
// LoopStrengthReduce - This pass is strength reduces GEP instructions that use
-// a loop's canonical induction variable as one of their indices. It takes an
-// optional parameter used to consult the target machine whether certain
-// transformations are profitable.
+// a loop's canonical induction variable as one of their indices.
+//
+Pass *createLoopStrengthReducePass();
+
+//===----------------------------------------------------------------------===//
+//
+// GlobalMerge - This pass merges internal (by default) globals into structs
+// to enable reuse of a base pointer by indexed addressing modes.
+// It can also be configured to focus on size optimizations only.
//
-Pass *createLoopStrengthReducePass(const TargetLowering *TLI = 0);
+Pass *createGlobalMergePass(const TargetMachine *TM, unsigned MaximalOffset,
+ bool OnlyOptimizeForSize = false,
+ bool MergeExternalByDefault = false);
//===----------------------------------------------------------------------===//
//
//
// LoopUnroll - This pass is a simple loop unrolling pass.
//
-Pass *createLoopUnrollPass(int Threshold = -1, int Count = -1, int AllowPartial = -1);
+Pass *createLoopUnrollPass(int Threshold = -1, int Count = -1,
+ int AllowPartial = -1, int Runtime = -1);
+// Create an unrolling pass for full unrolling only.
+Pass *createSimpleLoopUnrollPass();
+
+//===----------------------------------------------------------------------===//
+//
+// LoopReroll - This pass is a simple loop rerolling pass.
+//
+Pass *createLoopRerollPass();
//===----------------------------------------------------------------------===//
//
// LoopRotate - This pass is a simple loop rotating pass.
//
-Pass *createLoopRotatePass();
+Pass *createLoopRotatePass(int MaxHeaderSize = -1);
//===----------------------------------------------------------------------===//
//
// LoopIdiom - This pass recognizes and replaces idioms in loops.
//
Pass *createLoopIdiomPass();
-
+
//===----------------------------------------------------------------------===//
//
// PromoteMemoryToRegister - This pass is used to promote memory references to
//===----------------------------------------------------------------------===//
//
-// 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. Thresholds other than minus one override the
+// internal BB duplication default threshold.
//
-FunctionPass *createTailDuplicationPass();
+FunctionPass *createJumpThreadingPass(int Threshold = -1);
//===----------------------------------------------------------------------===//
//
-// JumpThreading - Thread control through mult-pred/multi-succ blocks where some
-// preds always go to some succ.
+// CFGSimplification - Merge basic blocks, eliminate unreachable blocks,
+// simplify terminator instructions, etc...
//
-FunctionPass *createJumpThreadingPass();
-
+FunctionPass *createCFGSimplificationPass(
+ int Threshold = -1, std::function<bool(const Function &)> Ftor = nullptr);
+
//===----------------------------------------------------------------------===//
//
-// CFGSimplification - Merge basic blocks, eliminate unreachable blocks,
-// simplify terminator instructions, etc...
+// FlattenCFG - flatten CFG, reduce number of conditional branches by using
+// parallel-and and parallel-or mode, etc...
//
-FunctionPass *createCFGSimplificationPass();
+FunctionPass *createFlattenCFGPass();
+
+//===----------------------------------------------------------------------===//
+//
+// CFG Structurization - Remove irreducible control flow
+//
+Pass *createStructurizeCFGPass();
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
//
-// LowerInvoke - This pass converts invoke and unwind instructions to use sjlj
-// exception handling mechanisms. Note that after this pass runs the CFG is not
-// entirely accurate (exceptional control flow edges are not correct anymore) so
-// only very simple things should be done after the lowerinvoke pass has run
-// (like generation of native code). This should *NOT* be used as a general
-// purpose "my LLVM-to-LLVM pass doesn't support the invoke instruction yet"
-// lowering pass.
+// LowerInvoke - This pass removes invoke instructions, converting them to call
+// instructions.
//
-FunctionPass *createLowerInvokePass(const TargetLowering *TLI = 0);
-FunctionPass *createLowerInvokePass(const TargetLowering *TLI,
- bool useExpensiveEHSupport);
+FunctionPass *createLowerInvokePass();
extern char &LowerInvokePassID;
-//===----------------------------------------------------------------------===//
-//
-// BlockPlacement - This pass reorders basic blocks in order to increase the
-// number of fall-through conditional branches.
-//
-FunctionPass *createBlockPlacementPass();
-
//===----------------------------------------------------------------------===//
//
// LCSSA - This pass inserts phi nodes at loop boundaries to simplify other loop
// tree.
//
FunctionPass *createEarlyCSEPass();
-
+
+//===----------------------------------------------------------------------===//
+//
+// MergedLoadStoreMotion - This pass merges loads and stores in diamonds. Loads
+// are hoisted into the header, while stores sink into the footer.
+//
+FunctionPass *createMergedLoadStoreMotionPass();
+
//===----------------------------------------------------------------------===//
//
-// GVN - This pass performs global value numbering and redundant load
+// GVN - This pass performs global value numbering and redundant load
// elimination cotemporaneously.
//
FunctionPass *createGVNPass(bool NoLoads = false);
// 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.
+// ConstantHoisting - This pass prepares a function for expensive constants.
//
-FunctionPass *createCodeGenPreparePass(const TargetLowering *TLI = 0);
+FunctionPass *createConstantHoistingPass();
//===----------------------------------------------------------------------===//
//
//
FunctionPass *createInstructionNamerPass();
extern char &InstructionNamerID;
-
-//===----------------------------------------------------------------------===//
-//
-// GEPSplitter - Split complex GEPs into simple ones
-//
-FunctionPass *createGEPSplitterPass();
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
//
-// ObjCARCExpand - ObjC ARC preliminary simplifications.
+// InstructionSimplifier - Remove redundant instructions.
//
-Pass *createObjCARCExpandPass();
+FunctionPass *createInstructionSimplifierPass();
+extern char &InstructionSimplifierID;
//===----------------------------------------------------------------------===//
//
-// ObjCARCContract - Late ObjC ARC cleanups.
+// LowerExpectIntrinsics - Removes llvm.expect intrinsics and creates
+// "block_weights" metadata.
+FunctionPass *createLowerExpectIntrinsicPass();
+
+//===----------------------------------------------------------------------===//
//
-Pass *createObjCARCContractPass();
+// PartiallyInlineLibCalls - Tries to inline the fast path of library
+// calls such as sqrt.
+//
+FunctionPass *createPartiallyInlineLibCallsPass();
//===----------------------------------------------------------------------===//
//
-// ObjCARCOpt - ObjC ARC optimization.
+// ScalarizerPass - Converts vector operations into scalar operations
//
-Pass *createObjCARCOptPass();
+FunctionPass *createScalarizerPass();
//===----------------------------------------------------------------------===//
//
-// InstructionSimplifier - Remove redundant instructions.
+// AddDiscriminators - Add DWARF path discriminators to the IR.
+FunctionPass *createAddDiscriminatorsPass();
+
+//===----------------------------------------------------------------------===//
//
-FunctionPass *createInstructionSimplifierPass();
-extern char &InstructionSimplifierID;
+// SeparateConstOffsetFromGEP - Split GEPs for better CSE
+//
+FunctionPass *
+createSeparateConstOffsetFromGEPPass(const TargetMachine *TM = nullptr,
+ bool LowerGEP = false);
+//===----------------------------------------------------------------------===//
+//
+// SpeculativeExecution - Aggressively hoist instructions to enable
+// speculative execution on targets where branches are expensive.
+//
+FunctionPass *createSpeculativeExecutionPass();
//===----------------------------------------------------------------------===//
//
-// LowerExpectIntriniscs - Removes llvm.expect intrinsics and creates
-// "block_weights" metadata.
-FunctionPass *createLowerExpectIntrinsicPass();
+// LoadCombine - Combine loads into bigger loads.
+//
+BasicBlockPass *createLoadCombinePass();
+
+//===----------------------------------------------------------------------===//
+//
+// StraightLineStrengthReduce - This pass strength-reduces some certain
+// instruction patterns in straight-line code.
+//
+FunctionPass *createStraightLineStrengthReducePass();
+
+//===----------------------------------------------------------------------===//
+//
+// PlaceSafepoints - Rewrite any IR calls to gc.statepoints and insert any
+// safepoint polls (method entry, backedge) that might be required. This pass
+// does not generate explicit relocation sequences - that's handled by
+// RewriteStatepointsForGC which can be run at an arbitrary point in the pass
+// order following this pass.
+//
+FunctionPass *createPlaceSafepointsPass();
+
+//===----------------------------------------------------------------------===//
+//
+// RewriteStatepointsForGC - Rewrite any gc.statepoints which do not yet have
+// explicit relocations to include explicit relocations.
+//
+ModulePass *createRewriteStatepointsForGCPass();
+
+//===----------------------------------------------------------------------===//
+//
+// Float2Int - Demote floats to ints where possible.
+//
+FunctionPass *createFloat2IntPass();
+
+//===----------------------------------------------------------------------===//
+//
+// NaryReassociate - Simplify n-ary operations by reassociation.
+//
+FunctionPass *createNaryReassociatePass();
+//===----------------------------------------------------------------------===//
+//
+// LoopDistribute - Distribute loops.
+//
+FunctionPass *createLoopDistributePass();
} // End llvm namespace
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