diff options
Diffstat (limited to 'include/llvm/Transforms/Scalar')
-rw-r--r-- | include/llvm/Transforms/Scalar/CallSiteSplitting.h | 5 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/ConstantHoisting.h | 10 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/Float2Int.h | 6 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/GVN.h | 7 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/GVNExpression.h | 9 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/LoopPassManager.h | 24 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/LoopUnrollPass.h | 14 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/LowerConstantIntrinsics.h | 41 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/MergedLoadStoreMotion.h | 18 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/Reassociate.h | 4 | ||||
-rw-r--r-- | include/llvm/Transforms/Scalar/SCCP.h | 3 |
11 files changed, 113 insertions, 28 deletions
diff --git a/include/llvm/Transforms/Scalar/CallSiteSplitting.h b/include/llvm/Transforms/Scalar/CallSiteSplitting.h index b6055639e8a8..74cbf84b64b2 100644 --- a/include/llvm/Transforms/Scalar/CallSiteSplitting.h +++ b/include/llvm/Transforms/Scalar/CallSiteSplitting.h @@ -9,13 +9,8 @@ #ifndef LLVM_TRANSFORMS_SCALAR_CALLSITESPLITTING__H #define LLVM_TRANSFORMS_SCALAR_CALLSITESPLITTING__H -#include "llvm/ADT/SetVector.h" -#include "llvm/Analysis/AssumptionCache.h" -#include "llvm/IR/Dominators.h" #include "llvm/IR/Function.h" #include "llvm/IR/PassManager.h" -#include "llvm/Support/Compiler.h" -#include <vector> namespace llvm { diff --git a/include/llvm/Transforms/Scalar/ConstantHoisting.h b/include/llvm/Transforms/Scalar/ConstantHoisting.h index 6b0fc9c1dd07..39039b093241 100644 --- a/include/llvm/Transforms/Scalar/ConstantHoisting.h +++ b/include/llvm/Transforms/Scalar/ConstantHoisting.h @@ -37,7 +37,9 @@ #define LLVM_TRANSFORMS_SCALAR_CONSTANTHOISTING_H #include "llvm/ADT/DenseMap.h" +#include "llvm/ADT/MapVector.h" #include "llvm/ADT/PointerUnion.h" +#include "llvm/ADT/SetVector.h" #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/SmallVector.h" #include "llvm/IR/PassManager.h" @@ -154,21 +156,21 @@ private: /// Keeps track of constant candidates found in the function. using ConstCandVecType = std::vector<consthoist::ConstantCandidate>; - using GVCandVecMapType = DenseMap<GlobalVariable *, ConstCandVecType>; + using GVCandVecMapType = MapVector<GlobalVariable *, ConstCandVecType>; ConstCandVecType ConstIntCandVec; GVCandVecMapType ConstGEPCandMap; /// These are the final constants we decided to hoist. using ConstInfoVecType = SmallVector<consthoist::ConstantInfo, 8>; - using GVInfoVecMapType = DenseMap<GlobalVariable *, ConstInfoVecType>; + using GVInfoVecMapType = MapVector<GlobalVariable *, ConstInfoVecType>; ConstInfoVecType ConstIntInfoVec; GVInfoVecMapType ConstGEPInfoMap; /// Keep track of cast instructions we already cloned. - SmallDenseMap<Instruction *, Instruction *> ClonedCastMap; + MapVector<Instruction *, Instruction *> ClonedCastMap; Instruction *findMatInsertPt(Instruction *Inst, unsigned Idx = ~0U) const; - SmallPtrSet<Instruction *, 8> + SetVector<Instruction *> findConstantInsertionPoint(const consthoist::ConstantInfo &ConstInfo) const; void collectConstantCandidates(ConstCandMapType &ConstCandMap, Instruction *Inst, unsigned Idx, diff --git a/include/llvm/Transforms/Scalar/Float2Int.h b/include/llvm/Transforms/Scalar/Float2Int.h index 06aeb8322527..f04b98a19d82 100644 --- a/include/llvm/Transforms/Scalar/Float2Int.h +++ b/include/llvm/Transforms/Scalar/Float2Int.h @@ -17,6 +17,7 @@ #include "llvm/ADT/EquivalenceClasses.h" #include "llvm/ADT/MapVector.h" #include "llvm/IR/ConstantRange.h" +#include "llvm/IR/Dominators.h" #include "llvm/IR/Function.h" #include "llvm/IR/PassManager.h" @@ -26,10 +27,11 @@ public: PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); // Glue for old PM. - bool runImpl(Function &F); + bool runImpl(Function &F, const DominatorTree &DT); private: - void findRoots(Function &F, SmallPtrSet<Instruction *, 8> &Roots); + void findRoots(Function &F, const DominatorTree &DT, + SmallPtrSet<Instruction *, 8> &Roots); void seen(Instruction *I, ConstantRange R); ConstantRange badRange(); ConstantRange unknownRange(); diff --git a/include/llvm/Transforms/Scalar/GVN.h b/include/llvm/Transforms/Scalar/GVN.h index 9fe00a9e7f2d..8a64768af6b5 100644 --- a/include/llvm/Transforms/Scalar/GVN.h +++ b/include/llvm/Transforms/Scalar/GVN.h @@ -120,6 +120,8 @@ public: uint32_t lookupOrAddCall(CallInst *C); uint32_t phiTranslateImpl(const BasicBlock *BB, const BasicBlock *PhiBlock, uint32_t Num, GVN &Gvn); + bool areCallValsEqual(uint32_t Num, uint32_t NewNum, const BasicBlock *Pred, + const BasicBlock *PhiBlock, GVN &Gvn); std::pair<uint32_t, bool> assignExpNewValueNum(Expression &exp); bool areAllValsInBB(uint32_t num, const BasicBlock *BB, GVN &Gvn); @@ -159,6 +161,7 @@ private: SetVector<BasicBlock *> DeadBlocks; OptimizationRemarkEmitter *ORE; ImplicitControlFlowTracking *ICF; + LoopInfo *LI; ValueTable VN; @@ -175,7 +178,7 @@ private: // Block-local map of equivalent values to their leader, does not // propagate to any successors. Entries added mid-block are applied // to the remaining instructions in the block. - SmallMapVector<Value *, Constant *, 4> ReplaceWithConstMap; + SmallMapVector<Value *, Value *, 4> ReplaceOperandsWithMap; SmallVector<Instruction *, 8> InstrsToErase; // Map the block to reversed postorder traversal number. It is used to @@ -280,7 +283,7 @@ private: void verifyRemoved(const Instruction *I) const; bool splitCriticalEdges(); BasicBlock *splitCriticalEdges(BasicBlock *Pred, BasicBlock *Succ); - bool replaceOperandsWithConsts(Instruction *I) const; + bool replaceOperandsForInBlockEquality(Instruction *I) const; bool propagateEquality(Value *LHS, Value *RHS, const BasicBlockEdge &Root, bool DominatesByEdge); bool processFoldableCondBr(BranchInst *BI); diff --git a/include/llvm/Transforms/Scalar/GVNExpression.h b/include/llvm/Transforms/Scalar/GVNExpression.h index 3dc4515f85a1..1600d1af3242 100644 --- a/include/llvm/Transforms/Scalar/GVNExpression.h +++ b/include/llvm/Transforms/Scalar/GVNExpression.h @@ -323,7 +323,7 @@ public: class LoadExpression final : public MemoryExpression { private: LoadInst *Load; - unsigned Alignment; + MaybeAlign Alignment; public: LoadExpression(unsigned NumOperands, LoadInst *L, @@ -333,7 +333,8 @@ public: LoadExpression(enum ExpressionType EType, unsigned NumOperands, LoadInst *L, const MemoryAccess *MemoryLeader) : MemoryExpression(NumOperands, EType, MemoryLeader), Load(L) { - Alignment = L ? L->getAlignment() : 0; + if (L) + Alignment = MaybeAlign(L->getAlignment()); } LoadExpression() = delete; @@ -348,8 +349,8 @@ public: LoadInst *getLoadInst() const { return Load; } void setLoadInst(LoadInst *L) { Load = L; } - unsigned getAlignment() const { return Alignment; } - void setAlignment(unsigned Align) { Alignment = Align; } + MaybeAlign getAlignment() const { return Alignment; } + void setAlignment(MaybeAlign Align) { Alignment = Align; } bool equals(const Expression &Other) const override; bool exactlyEquals(const Expression &Other) const override { diff --git a/include/llvm/Transforms/Scalar/LoopPassManager.h b/include/llvm/Transforms/Scalar/LoopPassManager.h index 61ec58585fd0..aed764855b2e 100644 --- a/include/llvm/Transforms/Scalar/LoopPassManager.h +++ b/include/llvm/Transforms/Scalar/LoopPassManager.h @@ -263,8 +263,10 @@ template <typename LoopPassT> class FunctionToLoopPassAdaptor : public PassInfoMixin<FunctionToLoopPassAdaptor<LoopPassT>> { public: - explicit FunctionToLoopPassAdaptor(LoopPassT Pass, bool DebugLogging = false) - : Pass(std::move(Pass)), LoopCanonicalizationFPM(DebugLogging) { + explicit FunctionToLoopPassAdaptor(LoopPassT Pass, bool UseMemorySSA = false, + bool DebugLogging = false) + : Pass(std::move(Pass)), LoopCanonicalizationFPM(DebugLogging), + UseMemorySSA(UseMemorySSA) { LoopCanonicalizationFPM.addPass(LoopSimplifyPass()); LoopCanonicalizationFPM.addPass(LCSSAPass()); } @@ -293,7 +295,7 @@ public: return PA; // Get the analysis results needed by loop passes. - MemorySSA *MSSA = EnableMSSALoopDependency + MemorySSA *MSSA = UseMemorySSA ? (&AM.getResult<MemorySSAAnalysis>(F).getMSSA()) : nullptr; LoopStandardAnalysisResults LAR = {AM.getResult<AAManager>(F), @@ -310,8 +312,10 @@ public: // LoopStandardAnalysisResults object. The loop analyses cached in this // manager have access to those analysis results and so it must invalidate // itself when they go away. - LoopAnalysisManager &LAM = - AM.getResult<LoopAnalysisManagerFunctionProxy>(F).getManager(); + auto &LAMFP = AM.getResult<LoopAnalysisManagerFunctionProxy>(F); + if (UseMemorySSA) + LAMFP.markMSSAUsed(); + LoopAnalysisManager &LAM = LAMFP.getManager(); // A postorder worklist of loops to process. SmallPriorityWorklist<Loop *, 4> Worklist; @@ -382,7 +386,7 @@ public: PA.preserve<DominatorTreeAnalysis>(); PA.preserve<LoopAnalysis>(); PA.preserve<ScalarEvolutionAnalysis>(); - if (EnableMSSALoopDependency) + if (UseMemorySSA) PA.preserve<MemorySSAAnalysis>(); // FIXME: What we really want to do here is preserve an AA category, but // that concept doesn't exist yet. @@ -397,14 +401,18 @@ private: LoopPassT Pass; FunctionPassManager LoopCanonicalizationFPM; + + bool UseMemorySSA = false; }; /// A function to deduce a loop pass type and wrap it in the templated /// adaptor. template <typename LoopPassT> FunctionToLoopPassAdaptor<LoopPassT> -createFunctionToLoopPassAdaptor(LoopPassT Pass, bool DebugLogging = false) { - return FunctionToLoopPassAdaptor<LoopPassT>(std::move(Pass), DebugLogging); +createFunctionToLoopPassAdaptor(LoopPassT Pass, bool UseMemorySSA = false, + bool DebugLogging = false) { + return FunctionToLoopPassAdaptor<LoopPassT>(std::move(Pass), UseMemorySSA, + DebugLogging); } /// Pass for printing a loop's contents as textual IR. diff --git a/include/llvm/Transforms/Scalar/LoopUnrollPass.h b/include/llvm/Transforms/Scalar/LoopUnrollPass.h index a84d889a83ad..afeb1f1da029 100644 --- a/include/llvm/Transforms/Scalar/LoopUnrollPass.h +++ b/include/llvm/Transforms/Scalar/LoopUnrollPass.h @@ -62,6 +62,8 @@ struct LoopUnrollOptions { Optional<bool> AllowPeeling; Optional<bool> AllowRuntime; Optional<bool> AllowUpperBound; + Optional<bool> AllowProfileBasedPeeling; + Optional<unsigned> FullUnrollMaxCount; int OptLevel; /// If false, use a cost model to determine whether unrolling of a loop is @@ -110,6 +112,18 @@ struct LoopUnrollOptions { OptLevel = O; return *this; } + + // Enables or disables loop peeling basing on profile. + LoopUnrollOptions &setProfileBasedPeeling(int O) { + AllowProfileBasedPeeling = O; + return *this; + } + + // Sets the max full unroll count. + LoopUnrollOptions &setFullUnrollMaxCount(unsigned O) { + FullUnrollMaxCount = O; + return *this; + } }; /// Loop unroll pass that will support both full and partial unrolling. diff --git a/include/llvm/Transforms/Scalar/LowerConstantIntrinsics.h b/include/llvm/Transforms/Scalar/LowerConstantIntrinsics.h new file mode 100644 index 000000000000..a5ad4a2192a0 --- /dev/null +++ b/include/llvm/Transforms/Scalar/LowerConstantIntrinsics.h @@ -0,0 +1,41 @@ +//===- LowerConstantIntrinsics.h - Lower constant int. pass -*- C++ -*-========// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// \file +/// +/// The header file for the LowerConstantIntrinsics pass as used by the new pass +/// manager. +/// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H +#define LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H + +#include "llvm/IR/Function.h" +#include "llvm/IR/PassManager.h" + +namespace llvm { + +struct LowerConstantIntrinsicsPass : + PassInfoMixin<LowerConstantIntrinsicsPass> { +public: + explicit LowerConstantIntrinsicsPass() {} + + /// Run the pass over the function. + /// + /// This will lower all remaining 'objectsize' and 'is.constant'` + /// intrinsic calls in this function, even when the argument has no known + /// size or is not a constant respectively. The resulting constant is + /// propagated and conditional branches are resolved where possible. + /// This complements the Instruction Simplification and + /// Instruction Combination passes of the optimized pass chain. + PreservedAnalyses run(Function &F, FunctionAnalysisManager &); +}; + +} + +#endif diff --git a/include/llvm/Transforms/Scalar/MergedLoadStoreMotion.h b/include/llvm/Transforms/Scalar/MergedLoadStoreMotion.h index 9071a56532f8..c5f6d6e0e8bd 100644 --- a/include/llvm/Transforms/Scalar/MergedLoadStoreMotion.h +++ b/include/llvm/Transforms/Scalar/MergedLoadStoreMotion.h @@ -27,12 +27,28 @@ #include "llvm/IR/PassManager.h" namespace llvm { +struct MergedLoadStoreMotionOptions { + bool SplitFooterBB; + MergedLoadStoreMotionOptions(bool SplitFooterBB = false) + : SplitFooterBB(SplitFooterBB) {} + + MergedLoadStoreMotionOptions &splitFooterBB(bool SFBB) { + SplitFooterBB = SFBB; + return *this; + } +}; + class MergedLoadStoreMotionPass : public PassInfoMixin<MergedLoadStoreMotionPass> { + MergedLoadStoreMotionOptions Options; + public: + MergedLoadStoreMotionPass() + : MergedLoadStoreMotionPass(MergedLoadStoreMotionOptions()) {} + MergedLoadStoreMotionPass(const MergedLoadStoreMotionOptions &PassOptions) + : Options(PassOptions) {} PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); }; - } #endif // LLVM_TRANSFORMS_SCALAR_MERGEDLOADSTOREMOTION_H diff --git a/include/llvm/Transforms/Scalar/Reassociate.h b/include/llvm/Transforms/Scalar/Reassociate.h index 2db8d8ce309c..d5b175eff0e6 100644 --- a/include/llvm/Transforms/Scalar/Reassociate.h +++ b/include/llvm/Transforms/Scalar/Reassociate.h @@ -122,7 +122,9 @@ private: void EraseInst(Instruction *I); void RecursivelyEraseDeadInsts(Instruction *I, OrderedSet &Insts); void OptimizeInst(Instruction *I); - Instruction *canonicalizeNegConstExpr(Instruction *I); + Instruction *canonicalizeNegFPConstantsForOp(Instruction *I, Instruction *Op, + Value *OtherOp); + Instruction *canonicalizeNegFPConstants(Instruction *I); void BuildPairMap(ReversePostOrderTraversal<Function *> &RPOT); }; diff --git a/include/llvm/Transforms/Scalar/SCCP.h b/include/llvm/Transforms/Scalar/SCCP.h index 0ffd983eb3e0..45e674a20a16 100644 --- a/include/llvm/Transforms/Scalar/SCCP.h +++ b/include/llvm/Transforms/Scalar/SCCP.h @@ -45,7 +45,8 @@ struct AnalysisResultsForFn { PostDominatorTree *PDT; }; -bool runIPSCCP(Module &M, const DataLayout &DL, const TargetLibraryInfo *TLI, +bool runIPSCCP(Module &M, const DataLayout &DL, + std::function<const TargetLibraryInfo &(Function &)> GetTLI, function_ref<AnalysisResultsForFn(Function &)> getAnalysis); } // end namespace llvm |