Add Constant Hoisting Pass

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

diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h
index 6f2a38e5840cd63c7d740acb6342b63c886e10b7..e1890f68038ec56ab324f165d2eab2dca50f3db9 100644 (file)
--- a/include/llvm/Transforms/Scalar.h
+++ b/include/llvm/Transforms/Scalar.h
@@ -15,6 +15,8 @@
 #ifndef LLVM_TRANSFORMS_SCALAR_H
 #define LLVM_TRANSFORMS_SCALAR_H
 
+#include "llvm/ADT/StringRef.h"
+
 namespace llvm {
 
 class FunctionPass;
@@ -23,6 +25,7 @@ class GetElementPtrInst;
 class PassInfo;
 class TerminatorInst;
 class TargetLowering;
+class TargetMachine;
 
 //===----------------------------------------------------------------------===//
 //
@@ -68,13 +71,22 @@ FunctionPass *createDeadStoreEliminationPass();
 //
 FunctionPass *createAggressiveDCEPass();
 
+//===----------------------------------------------------------------------===//
+//
+// 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);
 
 //===----------------------------------------------------------------------===//
 //
@@ -106,11 +118,11 @@ Pass *createLICMPass();
 //===----------------------------------------------------------------------===//
 //
 // 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(const TargetLowering *TLI = 0);
+Pass *createLoopStrengthReducePass();
+
+Pass *createGlobalMergePass(const TargetMachine *TM = 0);
 
 //===----------------------------------------------------------------------===//
 //
@@ -128,7 +140,14 @@ Pass *createLoopInstSimplifyPass();
 //
 // LoopUnroll - This pass is a simple loop unrolling pass.
 //
-Pass *createLoopUnrollPass();
+Pass *createLoopUnrollPass(int Threshold = -1, int Count = -1,
+                           int AllowPartial = -1, int Runtime = -1);
+
+//===----------------------------------------------------------------------===//
+//
+// LoopReroll - This pass is a simple loop rerolling pass.
+//
+Pass *createLoopRerollPass();
 
 //===----------------------------------------------------------------------===//
 //
@@ -174,13 +193,6 @@ extern char &DemoteRegisterToMemoryID;
 //
 FunctionPass *createReassociatePass();
 
-//===----------------------------------------------------------------------===//
-//
-// TailDuplication - Eliminate unconditional branches through controlled code
-// duplication, creating simpler CFG structures.
-//
-FunctionPass *createTailDuplicationPass();
-
 //===----------------------------------------------------------------------===//
 //
 // JumpThreading - Thread control through mult-pred/multi-succ blocks where some
@@ -195,6 +207,19 @@ FunctionPass *createJumpThreadingPass();
 //
 FunctionPass *createCFGSimplificationPass();
 
+//===----------------------------------------------------------------------===//
+//
+// FlattenCFG - flatten CFG, reduce number of conditional branches by using
+// parallel-and and parallel-or mode, etc...
+//
+FunctionPass *createFlattenCFGPass();
+
+//===----------------------------------------------------------------------===//
+//
+// CFG Structurization - Remove irreducible control flow
+//
+Pass *createStructurizeCFGPass();
+
 //===----------------------------------------------------------------------===//
 //
 // BreakCriticalEdges - Break all of the critical edges in the CFG by inserting
@@ -245,18 +270,10 @@ extern char &LowerSwitchID;
 // purpose "my LLVM-to-LLVM pass doesn't support the invoke instruction yet"
 // lowering pass.
 //
-FunctionPass *createLowerInvokePass(const TargetLowering *TLI = 0);
-FunctionPass *createLowerInvokePass(const TargetLowering *TLI,
-                                    bool useExpensiveEHSupport);
+FunctionPass *createLowerInvokePass(const TargetMachine *TM = 0,
+                                    bool useExpensiveEHSupport = false);
 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
@@ -295,21 +312,15 @@ Pass *createLoopDeletionPass();
   
 //===----------------------------------------------------------------------===//
 //
-/// createSimplifyLibCallsPass - This pass optimizes specific calls to
-/// specific well-known (library) functions.
-FunctionPass *createSimplifyLibCallsPass();
-
-//===----------------------------------------------------------------------===//
+// ConstantHoisting - This pass prepares a function for expensive constants.
 //
-/// createSimplifyHalfPowrLibCallsPass - This is an experimental pass that
-/// optimizes specific half_pow functions.
-FunctionPass *createSimplifyHalfPowrLibCallsPass();
+FunctionPass *createConstantHoistingPass();
 
 //===----------------------------------------------------------------------===//
 //
 // CodeGenPrepare - This pass prepares a function for instruction selection.
 //
-FunctionPass *createCodeGenPreparePass(const TargetLowering *TLI = 0);
+FunctionPass *createCodeGenPreparePass(const TargetMachine *TM = 0);
 
 //===----------------------------------------------------------------------===//
 //
@@ -318,12 +329,6 @@ FunctionPass *createCodeGenPreparePass(const TargetLowering *TLI = 0);
 FunctionPass *createInstructionNamerPass();
 extern char &InstructionNamerID;
   
-//===----------------------------------------------------------------------===//
-//
-// GEPSplitter - Split complex GEPs into simple ones
-//
-FunctionPass *createGEPSplitterPass();
-
 //===----------------------------------------------------------------------===//
 //
 // Sink - Code Sinking
@@ -349,6 +354,34 @@ Pass *createCorrelatedValuePropagationPass();
 FunctionPass *createInstructionSimplifierPass();
 extern char &InstructionSimplifierID;
 
+
+//===----------------------------------------------------------------------===//
+//
+// LowerExpectIntrinsics - Removes llvm.expect intrinsics and creates
+// "block_weights" metadata.
+FunctionPass *createLowerExpectIntrinsicPass();
+
+
+//===----------------------------------------------------------------------===//
+//
+// PartiallyInlineLibCalls - Tries to inline the fast path of library
+// calls such as sqrt.
+//
+FunctionPass *createPartiallyInlineLibCallsPass();
+
+//===----------------------------------------------------------------------===//
+//
+// SampleProfilePass - Loads sample profile data from disk and generates
+// IR metadata to reflect the profile.
+FunctionPass *createSampleProfileLoaderPass();
+FunctionPass *createSampleProfileLoaderPass(StringRef Name);
+
+//===----------------------------------------------------------------------===//
+//
+// ScalarizerPass - Converts vector operations into scalar operations
+//
+FunctionPass *createScalarizerPass();
+
 } // End llvm namespace
 
 #endif