[polly] 2ce38b3 - [NFC] Reduce include files dependency.
via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 3 07:25:20 PST 2020
Author: dfukalov
Date: 2020-12-03T18:25:05+03:00
New Revision: 2ce38b3f038482e9d21661d1b328a42664301f03
URL: https://github.com/llvm/llvm-project/commit/2ce38b3f038482e9d21661d1b328a42664301f03
DIFF: https://github.com/llvm/llvm-project/commit/2ce38b3f038482e9d21661d1b328a42664301f03.diff
LOG: [NFC] Reduce include files dependency.
1. Removed #include "...AliasAnalysis.h" in other headers and modules.
2. Cleaned up includes in AliasAnalysis.h.
Reviewed By: RKSimon
Differential Revision: https://reviews.llvm.org/D92489
Added:
Modified:
llvm/include/llvm/Analysis/AliasAnalysis.h
llvm/include/llvm/Analysis/AliasSetTracker.h
llvm/include/llvm/Analysis/BasicAliasAnalysis.h
llvm/include/llvm/Analysis/ObjCARCAnalysisUtils.h
llvm/include/llvm/CodeGen/MachinePipeliner.h
llvm/include/llvm/Transforms/IPO/Attributor.h
llvm/include/llvm/Transforms/Scalar/JumpThreading.h
llvm/include/llvm/Transforms/Scalar/LoopPassManager.h
llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h
llvm/lib/Analysis/AliasAnalysis.cpp
llvm/lib/Analysis/IVDescriptors.cpp
llvm/lib/Analysis/LoopAnalysisManager.cpp
llvm/lib/Analysis/ObjCARCAnalysisUtils.cpp
llvm/lib/CodeGen/LiveRangeEdit.cpp
llvm/lib/CodeGen/MachineFunctionPass.cpp
llvm/lib/CodeGen/MachinePipeliner.cpp
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
llvm/lib/LTO/LTOBackend.cpp
llvm/lib/Target/ARM/ARMParallelDSP.cpp
llvm/lib/Transforms/IPO/Attributor.cpp
llvm/lib/Transforms/IPO/AttributorAttributes.cpp
llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp
llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp
llvm/lib/Transforms/ObjCARC/ObjCARC.h
llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp
llvm/lib/Transforms/Scalar/LoopRotation.cpp
llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
llvm/tools/opt/NewPMDriver.cpp
llvm/unittests/Analysis/AliasSetTrackerTest.cpp
llvm/unittests/Analysis/BasicAliasAnalysisTest.cpp
llvm/unittests/Analysis/DDGTest.cpp
llvm/unittests/Analysis/GlobalsModRefTest.cpp
llvm/unittests/Analysis/MemorySSATest.cpp
llvm/unittests/Transforms/Utils/CodeMoverUtilsTest.cpp
llvm/unittests/Transforms/Vectorize/VPlanSlpTest.cpp
polly/include/polly/ScopBuilder.h
polly/include/polly/ScopDetection.h
polly/include/polly/ScopInfo.h
Removed:
################################################################################
diff --git a/llvm/include/llvm/Analysis/AliasAnalysis.h b/llvm/include/llvm/Analysis/AliasAnalysis.h
index 736917cf327a..7a4338905129 100644
--- a/llvm/include/llvm/Analysis/AliasAnalysis.h
+++ b/llvm/include/llvm/Analysis/AliasAnalysis.h
@@ -42,8 +42,6 @@
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Analysis/MemoryLocation.h"
-#include "llvm/Analysis/TargetLibraryInfo.h"
-#include "llvm/IR/Function.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/PassManager.h"
@@ -59,6 +57,7 @@ class AnalysisUsage;
class BasicAAResult;
class BasicBlock;
class DominatorTree;
+class Function;
class Value;
/// The possible results of an alias query.
@@ -1172,12 +1171,7 @@ class AAManager : public AnalysisInfoMixin<AAManager> {
ResultGetters.push_back(&getModuleAAResultImpl<AnalysisT>);
}
- Result run(Function &F, FunctionAnalysisManager &AM) {
- Result R(AM.getResult<TargetLibraryAnalysis>(F));
- for (auto &Getter : ResultGetters)
- (*Getter)(F, AM, R);
- return R;
- }
+ Result run(Function &F, FunctionAnalysisManager &AM);
private:
friend AnalysisInfoMixin<AAManager>;
diff --git a/llvm/include/llvm/Analysis/AliasSetTracker.h b/llvm/include/llvm/Analysis/AliasSetTracker.h
index 1db657528d19..b27fd5aa92a7 100644
--- a/llvm/include/llvm/Analysis/AliasSetTracker.h
+++ b/llvm/include/llvm/Analysis/AliasSetTracker.h
@@ -20,7 +20,7 @@
#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/ADT/ilist.h"
#include "llvm/ADT/ilist_node.h"
-#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/PassManager.h"
@@ -34,6 +34,7 @@
namespace llvm {
+class AAResults;
class AliasSetTracker;
class BasicBlock;
class LoadInst;
@@ -46,6 +47,8 @@ class StoreInst;
class VAArgInst;
class Value;
+enum AliasResult : uint8_t;
+
class AliasSet : public ilist_node<AliasSet> {
friend class AliasSetTracker;
@@ -294,7 +297,7 @@ class AliasSet : public ilist_node<AliasSet> {
void addPointer(AliasSetTracker &AST, PointerRec &Entry, LocationSize Size,
const AAMDNodes &AAInfo, bool KnownMustAlias = false,
bool SkipSizeUpdate = false);
- void addUnknownInst(Instruction *I, AliasAnalysis &AA);
+ void addUnknownInst(Instruction *I, AAResults &AA);
void removeUnknownInst(AliasSetTracker &AST, Instruction *I) {
bool WasEmpty = UnknownInsts.empty();
@@ -312,8 +315,8 @@ class AliasSet : public ilist_node<AliasSet> {
/// If the specified pointer "may" (or must) alias one of the members in the
/// set return the appropriate AliasResult. Otherwise return NoAlias.
AliasResult aliasesPointer(const Value *Ptr, LocationSize Size,
- const AAMDNodes &AAInfo, AliasAnalysis &AA) const;
- bool aliasesUnknownInst(const Instruction *Inst, AliasAnalysis &AA) const;
+ const AAMDNodes &AAInfo, AAResults &AA) const;
+ bool aliasesUnknownInst(const Instruction *Inst, AAResults &AA) const;
};
inline raw_ostream& operator<<(raw_ostream &OS, const AliasSet &AS) {
@@ -339,7 +342,7 @@ class AliasSetTracker {
/// handle.
struct ASTCallbackVHDenseMapInfo : public DenseMapInfo<Value *> {};
- AliasAnalysis &AA;
+ AAResults &AA;
MemorySSA *MSSA = nullptr;
Loop *L = nullptr;
ilist<AliasSet> AliasSets;
@@ -353,9 +356,9 @@ class AliasSetTracker {
public:
/// Create an empty collection of AliasSets, and use the specified alias
/// analysis object to disambiguate load and store addresses.
- explicit AliasSetTracker(AliasAnalysis &aa) : AA(aa) {}
- explicit AliasSetTracker(AliasAnalysis &aa, MemorySSA *mssa, Loop *l)
- : AA(aa), MSSA(mssa), L(l) {}
+ explicit AliasSetTracker(AAResults &AA) : AA(AA) {}
+ explicit AliasSetTracker(AAResults &AA, MemorySSA *MSSA, Loop *L)
+ : AA(AA), MSSA(MSSA), L(L) {}
~AliasSetTracker() { clear(); }
/// These methods are used to add
diff erent types of instructions to the alias
@@ -394,7 +397,7 @@ class AliasSetTracker {
AliasSet &getAliasSetFor(const MemoryLocation &MemLoc);
/// Return the underlying alias analysis object used by this tracker.
- AliasAnalysis &getAliasAnalysis() const { return AA; }
+ AAResults &getAliasAnalysis() const { return AA; }
/// This method is used to remove a pointer value from the AliasSetTracker
/// entirely. It should be used when an instruction is deleted from the
diff --git a/llvm/include/llvm/Analysis/BasicAliasAnalysis.h b/llvm/include/llvm/Analysis/BasicAliasAnalysis.h
index 3717fc9e2c36..7f3cbba0b6af 100644
--- a/llvm/include/llvm/Analysis/BasicAliasAnalysis.h
+++ b/llvm/include/llvm/Analysis/BasicAliasAnalysis.h
@@ -18,8 +18,6 @@
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/AssumptionCache.h"
-#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
diff --git a/llvm/include/llvm/Analysis/ObjCARCAnalysisUtils.h b/llvm/include/llvm/Analysis/ObjCARCAnalysisUtils.h
index 156d5a560b9e..16c5f6701da0 100644
--- a/llvm/include/llvm/Analysis/ObjCARCAnalysisUtils.h
+++ b/llvm/include/llvm/Analysis/ObjCARCAnalysisUtils.h
@@ -23,7 +23,6 @@
#define LLVM_LIB_ANALYSIS_OBJCARCANALYSISUTILS_H
#include "llvm/ADT/Optional.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/ObjCARCInstKind.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Constants.h"
@@ -31,6 +30,9 @@
#include "llvm/IR/ValueHandle.h"
namespace llvm {
+
+class AAResults;
+
namespace objcarc {
/// A handy option to enable/disable all ARC Optimizations.
@@ -161,24 +163,7 @@ inline bool IsPotentialRetainableObjPtr(const Value *Op) {
return true;
}
-inline bool IsPotentialRetainableObjPtr(const Value *Op,
- AliasAnalysis &AA) {
- // First make the rudimentary check.
- if (!IsPotentialRetainableObjPtr(Op))
- return false;
-
- // Objects in constant memory are not reference-counted.
- if (AA.pointsToConstantMemory(Op))
- return false;
-
- // Pointers in constant memory are not pointing to reference-counted objects.
- if (const LoadInst *LI = dyn_cast<LoadInst>(Op))
- if (AA.pointsToConstantMemory(LI->getPointerOperand()))
- return false;
-
- // Otherwise assume the worst.
- return true;
-}
+bool IsPotentialRetainableObjPtr(const Value *Op, AAResults &AA);
/// Helper for GetARCInstKind. Determines what kind of construct CS
/// is.
diff --git a/llvm/include/llvm/CodeGen/MachinePipeliner.h b/llvm/include/llvm/CodeGen/MachinePipeliner.h
index 5ff1e3f87945..f89a453749e8 100644
--- a/llvm/include/llvm/CodeGen/MachinePipeliner.h
+++ b/llvm/include/llvm/CodeGen/MachinePipeliner.h
@@ -40,8 +40,6 @@
#ifndef LLVM_LIB_CODEGEN_MACHINEPIPELINER_H
#define LLVM_LIB_CODEGEN_MACHINEPIPELINER_H
-#include "llvm/Analysis/AliasAnalysis.h"
-
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
#include "llvm/CodeGen/RegisterClassInfo.h"
@@ -51,6 +49,7 @@
namespace llvm {
+class AAResults;
class NodeSet;
class SMSchedule;
@@ -92,15 +91,7 @@ class MachinePipeliner : public MachineFunctionPass {
bool runOnMachineFunction(MachineFunction &MF) override;
- void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.addRequired<AAResultsWrapperPass>();
- AU.addPreserved<AAResultsWrapperPass>();
- AU.addRequired<MachineLoopInfo>();
- AU.addRequired<MachineDominatorTree>();
- AU.addRequired<LiveIntervals>();
- AU.addRequired<MachineOptimizationRemarkEmitterPass>();
- MachineFunctionPass::getAnalysisUsage(AU);
- }
+ void getAnalysisUsage(AnalysisUsage &AU) const override;
private:
void preprocessPhiNodes(MachineBasicBlock &B);
@@ -285,7 +276,7 @@ class SwingSchedulerDAG : public ScheduleDAGInstrs {
static bool classof(const ScheduleDAGInstrs *DAG) { return true; }
private:
- void addLoopCarriedDependences(AliasAnalysis *AA);
+ void addLoopCarriedDependences(AAResults *AA);
void updatePhiDependences();
void changeDependences();
unsigned calculateResMII();
diff --git a/llvm/include/llvm/Transforms/IPO/Attributor.h b/llvm/include/llvm/Transforms/IPO/Attributor.h
index 84677815533b..dbaf945986e4 100644
--- a/llvm/include/llvm/Transforms/IPO/Attributor.h
+++ b/llvm/include/llvm/Transforms/IPO/Attributor.h
@@ -102,7 +102,6 @@
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SetVector.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/AssumeBundleQueries.h"
#include "llvm/Analysis/CFG.h"
#include "llvm/Analysis/CGSCCPassManager.h"
@@ -128,6 +127,8 @@ struct AbstractAttribute;
struct InformationCache;
struct AAIsDead;
+class AAManager;
+class AAResults;
class Function;
/// The value passed to the line option that defines the maximal initialization
@@ -863,9 +864,7 @@ struct InformationCache {
}
/// Return AliasAnalysis Result for function \p F.
- AAResults *getAAResultsForFunction(const Function &F) {
- return AG.getAnalysis<AAManager>(F);
- }
+ AAResults *getAAResultsForFunction(const Function &F);
/// Return true if \p Arg is involved in a must-tail call, thus the argument
/// of the caller or callee.
diff --git a/llvm/include/llvm/Transforms/Scalar/JumpThreading.h b/llvm/include/llvm/Transforms/Scalar/JumpThreading.h
index 5c12e5184716..951f4e487753 100644
--- a/llvm/include/llvm/Transforms/Scalar/JumpThreading.h
+++ b/llvm/include/llvm/Transforms/Scalar/JumpThreading.h
@@ -19,7 +19,6 @@
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/BlockFrequencyInfo.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/Analysis/DomTreeUpdater.h"
@@ -29,6 +28,7 @@
namespace llvm {
+class AAResults;
class BasicBlock;
class BinaryOperator;
class BranchInst;
@@ -41,6 +41,8 @@ class IntrinsicInst;
class LazyValueInfo;
class LoadInst;
class PHINode;
+class SelectInst;
+class SwitchInst;
class TargetLibraryInfo;
class Value;
@@ -77,7 +79,7 @@ enum ConstantPreference { WantInteger, WantBlockAddress };
class JumpThreadingPass : public PassInfoMixin<JumpThreadingPass> {
TargetLibraryInfo *TLI;
LazyValueInfo *LVI;
- AliasAnalysis *AA;
+ AAResults *AA;
DomTreeUpdater *DTU;
std::unique_ptr<BlockFrequencyInfo> BFI;
std::unique_ptr<BranchProbabilityInfo> BPI;
@@ -97,10 +99,10 @@ class JumpThreadingPass : public PassInfoMixin<JumpThreadingPass> {
JumpThreadingPass(bool InsertFreezeWhenUnfoldingSelect = false, int T = -1);
// Glue for old PM.
- bool runImpl(Function &F, TargetLibraryInfo *TLI_, LazyValueInfo *LVI_,
- AliasAnalysis *AA_, DomTreeUpdater *DTU_, bool HasProfileData_,
- std::unique_ptr<BlockFrequencyInfo> BFI_,
- std::unique_ptr<BranchProbabilityInfo> BPI_);
+ bool runImpl(Function &F, TargetLibraryInfo *TLI, LazyValueInfo *LVI,
+ AAResults *AA, DomTreeUpdater *DTU, bool HasProfileData,
+ std::unique_ptr<BlockFrequencyInfo> BFI,
+ std::unique_ptr<BranchProbabilityInfo> BPI);
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
diff --git a/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h b/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h
index 821de6c70aa0..7aca7abe8710 100644
--- a/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h
+++ b/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h
@@ -39,7 +39,7 @@
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/ADT/PriorityWorklist.h"
#include "llvm/ADT/STLExtras.h"
-#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/BlockFrequencyInfo.h"
#include "llvm/Analysis/GlobalsModRef.h"
diff --git a/llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h b/llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h
index 81a59c3d7772..635b706d0bef 100644
--- a/llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h
+++ b/llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h
@@ -14,7 +14,6 @@
#ifndef LLVM_TRANSFORMS_SCALAR_MEMCPYOPTIMIZER_H
#define LLVM_TRANSFORMS_SCALAR_MEMCPYOPTIMIZER_H
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/PassManager.h"
#include <cstdint>
@@ -22,11 +21,14 @@
namespace llvm {
+class AAResults;
class AssumptionCache;
+class CallBase;
class CallInst;
class DominatorTree;
class Function;
class Instruction;
+class LoadInst;
class MemCpyInst;
class MemMoveInst;
class MemoryDependenceResults;
@@ -40,7 +42,7 @@ class Value;
class MemCpyOptPass : public PassInfoMixin<MemCpyOptPass> {
MemoryDependenceResults *MD = nullptr;
TargetLibraryInfo *TLI = nullptr;
- AliasAnalysis *AA = nullptr;
+ AAResults *AA = nullptr;
AssumptionCache *AC = nullptr;
DominatorTree *DT = nullptr;
MemorySSA *MSSA = nullptr;
@@ -52,9 +54,9 @@ class MemCpyOptPass : public PassInfoMixin<MemCpyOptPass> {
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
// Glue for the old PM.
- bool runImpl(Function &F, MemoryDependenceResults *MD_,
- TargetLibraryInfo *TLI_, AliasAnalysis *AA_,
- AssumptionCache *AC_, DominatorTree *DT_, MemorySSA *MSSA_);
+ bool runImpl(Function &F, MemoryDependenceResults *MD, TargetLibraryInfo *TLI,
+ AAResults *AA, AssumptionCache *AC, DominatorTree *DT,
+ MemorySSA *MSSA);
private:
// Helper functions
diff --git a/llvm/lib/Analysis/AliasAnalysis.cpp b/llvm/lib/Analysis/AliasAnalysis.cpp
index c3d15655ab64..3d094a65a5e3 100644
--- a/llvm/lib/Analysis/AliasAnalysis.cpp
+++ b/llvm/lib/Analysis/AliasAnalysis.cpp
@@ -843,6 +843,13 @@ void AAResultsWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addUsedIfAvailable<ExternalAAWrapperPass>();
}
+AAManager::Result AAManager::run(Function &F, FunctionAnalysisManager &AM) {
+ Result R(AM.getResult<TargetLibraryAnalysis>(F));
+ for (auto &Getter : ResultGetters)
+ (*Getter)(F, AM, R);
+ return R;
+}
+
AAResults llvm::createLegacyPMAAResults(Pass &P, Function &F,
BasicAAResult &BAR) {
AAResults AAR(P.getAnalysis<TargetLibraryInfoWrapperPass>().getTLI(F));
diff --git a/llvm/lib/Analysis/IVDescriptors.cpp b/llvm/lib/Analysis/IVDescriptors.cpp
index a5cc622279c4..c7e7ddbd8fc2 100644
--- a/llvm/lib/Analysis/IVDescriptors.cpp
+++ b/llvm/lib/Analysis/IVDescriptors.cpp
@@ -12,7 +12,6 @@
#include "llvm/Analysis/IVDescriptors.h"
#include "llvm/ADT/ScopeExit.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/DemandedBits.h"
#include "llvm/Analysis/DomTreeUpdater.h"
diff --git a/llvm/lib/Analysis/LoopAnalysisManager.cpp b/llvm/lib/Analysis/LoopAnalysisManager.cpp
index 21017c04da99..4ad5641da147 100644
--- a/llvm/lib/Analysis/LoopAnalysisManager.cpp
+++ b/llvm/lib/Analysis/LoopAnalysisManager.cpp
@@ -7,6 +7,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/LoopAnalysisManager.h"
+#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/LoopInfo.h"
diff --git a/llvm/lib/Analysis/ObjCARCAnalysisUtils.cpp b/llvm/lib/Analysis/ObjCARCAnalysisUtils.cpp
index 56d1cb421225..d34a3c636362 100644
--- a/llvm/lib/Analysis/ObjCARCAnalysisUtils.cpp
+++ b/llvm/lib/Analysis/ObjCARCAnalysisUtils.cpp
@@ -13,6 +13,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/ObjCARCAnalysisUtils.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
@@ -23,3 +24,22 @@ bool llvm::objcarc::EnableARCOpts;
static cl::opt<bool, true> EnableARCOptimizations(
"enable-objc-arc-opts", cl::desc("enable/disable all ARC Optimizations"),
cl::location(EnableARCOpts), cl::init(true), cl::Hidden);
+
+bool llvm::objcarc::IsPotentialRetainableObjPtr(const Value *Op,
+ AAResults &AA) {
+ // First make the rudimentary check.
+ if (!IsPotentialRetainableObjPtr(Op))
+ return false;
+
+ // Objects in constant memory are not reference-counted.
+ if (AA.pointsToConstantMemory(Op))
+ return false;
+
+ // Pointers in constant memory are not pointing to reference-counted objects.
+ if (const LoadInst *LI = dyn_cast<LoadInst>(Op))
+ if (AA.pointsToConstantMemory(LI->getPointerOperand()))
+ return false;
+
+ // Otherwise assume the worst.
+ return true;
+}
diff --git a/llvm/lib/CodeGen/LiveRangeEdit.cpp b/llvm/lib/CodeGen/LiveRangeEdit.cpp
index b77c4c414e8a..dbf02802d473 100644
--- a/llvm/lib/CodeGen/LiveRangeEdit.cpp
+++ b/llvm/lib/CodeGen/LiveRangeEdit.cpp
@@ -12,7 +12,6 @@
#include "llvm/CodeGen/LiveRangeEdit.h"
#include "llvm/ADT/Statistic.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/CalcSpillWeights.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
diff --git a/llvm/lib/CodeGen/MachineFunctionPass.cpp b/llvm/lib/CodeGen/MachineFunctionPass.cpp
index 03149aa7db4a..16cde1f601f9 100644
--- a/llvm/lib/CodeGen/MachineFunctionPass.cpp
+++ b/llvm/lib/CodeGen/MachineFunctionPass.cpp
@@ -11,7 +11,6 @@
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/DominanceFrontier.h"
#include "llvm/Analysis/GlobalsModRef.h"
diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp
index a83c0154bd9f..c122800a196c 100644
--- a/llvm/lib/CodeGen/MachinePipeliner.cpp
+++ b/llvm/lib/CodeGen/MachinePipeliner.cpp
@@ -442,6 +442,16 @@ bool MachinePipeliner::swingModuloScheduler(MachineLoop &L) {
return SMS.hasNewSchedule();
}
+void MachinePipeliner::getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.addRequired<AAResultsWrapperPass>();
+ AU.addPreserved<AAResultsWrapperPass>();
+ AU.addRequired<MachineLoopInfo>();
+ AU.addRequired<MachineDominatorTree>();
+ AU.addRequired<LiveIntervals>();
+ AU.addRequired<MachineOptimizationRemarkEmitterPass>();
+ MachineFunctionPass::getAnalysisUsage(AU);
+}
+
void SwingSchedulerDAG::setMII(unsigned ResMII, unsigned RecMII) {
if (II_setByPragma > 0)
MII = II_setByPragma;
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 6ce6e1093dc6..42cf81306f42 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -31,6 +31,7 @@
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/MemoryLocation.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/VectorUtils.h"
#include "llvm/CodeGen/DAGCombine.h"
#include "llvm/CodeGen/ISDOpcodes.h"
diff --git a/llvm/lib/LTO/LTOBackend.cpp b/llvm/lib/LTO/LTOBackend.cpp
index 65aaa8d21bfc..c1d2d8f1f39f 100644
--- a/llvm/lib/LTO/LTOBackend.cpp
+++ b/llvm/lib/LTO/LTOBackend.cpp
@@ -14,7 +14,6 @@
//===----------------------------------------------------------------------===//
#include "llvm/LTO/LTOBackend.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/CGSCCPassManager.h"
#include "llvm/Analysis/ModuleSummaryAnalysis.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
diff --git a/llvm/lib/Target/ARM/ARMParallelDSP.cpp b/llvm/lib/Target/ARM/ARMParallelDSP.cpp
index 730d6032dc55..9a3776fe64a7 100644
--- a/llvm/lib/Target/ARM/ARMParallelDSP.cpp
+++ b/llvm/lib/Target/ARM/ARMParallelDSP.cpp
@@ -22,6 +22,7 @@
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/LoopAccessAnalysis.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicsARM.h"
diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index 55eb42ee46cd..ab4ad7c784a4 100644
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -1909,6 +1909,10 @@ void InformationCache::initializeInformationCache(const Function &CF,
InlineableFunctions.insert(&F);
}
+AAResults *InformationCache::getAAResultsForFunction(const Function &F) {
+ return AG.getAnalysis<AAManager>(F);
+}
+
InformationCache::FunctionInfo::~FunctionInfo() {
// The instruction vectors are allocated using a BumpPtrAllocator, we need to
// manually destroy them.
diff --git a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
index 4f08bd294978..536ecee1a3c4 100644
--- a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
+++ b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -16,6 +16,7 @@
#include "llvm/ADT/SCCIterator.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/Statistic.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/AssumeBundleQueries.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/CaptureTracking.h"
diff --git a/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp b/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
index 5350d85e11f3..1ba09817ee65 100644
--- a/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
+++ b/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
@@ -60,6 +60,7 @@
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/TypeMetadataUtils.h"
diff --git a/llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp b/llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp
index c8f1c3f40e7b..7acbdb9f55b7 100644
--- a/llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp
+++ b/llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp
@@ -22,6 +22,7 @@
#include "llvm/Analysis/DomTreeUpdater.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Dominators.h"
diff --git a/llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp b/llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp
index 6a5e48b0a1d1..7f7f2dc89b7e 100644
--- a/llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp
+++ b/llvm/lib/Transforms/ObjCARC/DependencyAnalysis.cpp
@@ -22,6 +22,7 @@
#include "DependencyAnalysis.h"
#include "ObjCARC.h"
#include "ProvenanceAnalysis.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/IR/CFG.h"
using namespace llvm;
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARC.h b/llvm/lib/Transforms/ObjCARC/ObjCARC.h
index b496842fcfc5..8227a8c6f75f 100644
--- a/llvm/lib/Transforms/ObjCARC/ObjCARC.h
+++ b/llvm/lib/Transforms/ObjCARC/ObjCARC.h
@@ -23,9 +23,7 @@
#define LLVM_LIB_TRANSFORMS_OBJCARC_OBJCARC_H
#include "llvm/Analysis/ObjCARCAnalysisUtils.h"
-#include "llvm/Analysis/ObjCARCInstKind.h"
#include "llvm/Transforms/Utils/Local.h"
-#include "llvm/Transforms/ObjCARC.h"
namespace llvm {
namespace objcarc {
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp
index 3904f4d57170..e190c46b613b 100644
--- a/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp
+++ b/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp
@@ -30,6 +30,7 @@
#include "ObjCARC.h"
#include "ProvenanceAnalysis.h"
#include "llvm/ADT/Statistic.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/EHPersonalities.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/InlineAsm.h"
@@ -62,7 +63,7 @@ namespace {
class ObjCARCContract {
bool Changed;
- AliasAnalysis *AA;
+ AAResults *AA;
DominatorTree *DT;
ProvenanceAnalysis PA;
ARCRuntimeEntryPoints EP;
@@ -195,7 +196,7 @@ bool ObjCARCContract::contractAutorelease(Function &F, Instruction *Autorelease,
static StoreInst *findSafeStoreForStoreStrongContraction(LoadInst *Load,
Instruction *Release,
ProvenanceAnalysis &PA,
- AliasAnalysis *AA) {
+ AAResults *AA) {
StoreInst *Store = nullptr;
bool SawRelease = false;
diff --git a/llvm/lib/Transforms/Scalar/LoopRotation.cpp b/llvm/lib/Transforms/Scalar/LoopRotation.cpp
index 73287c7441e9..3e3d3032f445 100644
--- a/llvm/lib/Transforms/Scalar/LoopRotation.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopRotation.cpp
@@ -12,6 +12,7 @@
#include "llvm/Transforms/Scalar/LoopRotation.h"
#include "llvm/ADT/Statistic.h"
+#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/MemorySSA.h"
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index bfd8f00c228e..ddd8856e92c5 100644
--- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -75,6 +75,7 @@
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
#include "llvm/Analysis/ScalarEvolutionNormalization.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/BasicBlock.h"
diff --git a/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp b/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
index 0c43c1e1ac2a..a2b72e4e7f03 100644
--- a/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
+++ b/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
@@ -16,6 +16,7 @@
#include "llvm/Analysis/DemandedBits.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/VectorUtils.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/IntrinsicInst.h"
diff --git a/llvm/tools/opt/NewPMDriver.cpp b/llvm/tools/opt/NewPMDriver.cpp
index 9badbdf64932..261c658ab544 100644
--- a/llvm/tools/opt/NewPMDriver.cpp
+++ b/llvm/tools/opt/NewPMDriver.cpp
@@ -16,7 +16,6 @@
#include "PassPrinters.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/CGSCCPassManager.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Bitcode/BitcodeWriterPass.h"
diff --git a/llvm/unittests/Analysis/AliasSetTrackerTest.cpp b/llvm/unittests/Analysis/AliasSetTrackerTest.cpp
index 30be6acad0fa..625971b1db07 100644
--- a/llvm/unittests/Analysis/AliasSetTrackerTest.cpp
+++ b/llvm/unittests/Analysis/AliasSetTrackerTest.cpp
@@ -9,6 +9,7 @@
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TypeBasedAliasAnalysis.h"
#include "llvm/AsmParser/Parser.h"
#include "llvm/IR/LLVMContext.h"
diff --git a/llvm/unittests/Analysis/BasicAliasAnalysisTest.cpp b/llvm/unittests/Analysis/BasicAliasAnalysisTest.cpp
index f69d2d14a6c0..5b8ece41b07c 100644
--- a/llvm/unittests/Analysis/BasicAliasAnalysisTest.cpp
+++ b/llvm/unittests/Analysis/BasicAliasAnalysisTest.cpp
@@ -11,6 +11,8 @@
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/AssumptionCache.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/AsmParser/Parser.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/IRBuilder.h"
diff --git a/llvm/unittests/Analysis/DDGTest.cpp b/llvm/unittests/Analysis/DDGTest.cpp
index 1be16e56cb9c..9919d055d01a 100644
--- a/llvm/unittests/Analysis/DDGTest.cpp
+++ b/llvm/unittests/Analysis/DDGTest.cpp
@@ -8,6 +8,7 @@
#include "llvm/Analysis/DDG.h"
#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/ScalarEvolution.h"
diff --git a/llvm/unittests/Analysis/GlobalsModRefTest.cpp b/llvm/unittests/Analysis/GlobalsModRefTest.cpp
index 21f78712c7d3..5066d748e11f 100644
--- a/llvm/unittests/Analysis/GlobalsModRefTest.cpp
+++ b/llvm/unittests/Analysis/GlobalsModRefTest.cpp
@@ -9,6 +9,7 @@
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Analysis/CallGraph.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/AsmParser/Parser.h"
#include "llvm/Support/SourceMgr.h"
#include "gtest/gtest.h"
diff --git a/llvm/unittests/Analysis/MemorySSATest.cpp b/llvm/unittests/Analysis/MemorySSATest.cpp
index b80ee3b229c7..f34677997010 100644
--- a/llvm/unittests/Analysis/MemorySSATest.cpp
+++ b/llvm/unittests/Analysis/MemorySSATest.cpp
@@ -7,8 +7,10 @@
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/MemorySSA.h"
#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/MemorySSAUpdater.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Dominators.h"
diff --git a/llvm/unittests/Transforms/Utils/CodeMoverUtilsTest.cpp b/llvm/unittests/Transforms/Utils/CodeMoverUtilsTest.cpp
index c7e63d4a38fc..300f9c22555a 100644
--- a/llvm/unittests/Transforms/Utils/CodeMoverUtilsTest.cpp
+++ b/llvm/unittests/Transforms/Utils/CodeMoverUtilsTest.cpp
@@ -12,6 +12,7 @@
#include "llvm/Analysis/DependenceAnalysis.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/PostDominators.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/AsmParser/Parser.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/LLVMContext.h"
diff --git a/llvm/unittests/Transforms/Vectorize/VPlanSlpTest.cpp b/llvm/unittests/Transforms/Vectorize/VPlanSlpTest.cpp
index 2d868d3cd8af..268f43774d12 100644
--- a/llvm/unittests/Transforms/Vectorize/VPlanSlpTest.cpp
+++ b/llvm/unittests/Transforms/Vectorize/VPlanSlpTest.cpp
@@ -9,6 +9,7 @@
#include "../lib/Transforms/Vectorize/VPlan.h"
#include "../lib/Transforms/Vectorize/VPlanHCFGBuilder.h"
#include "VPlanTestBase.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/VectorUtils.h"
#include "gtest/gtest.h"
diff --git a/polly/include/polly/ScopBuilder.h b/polly/include/polly/ScopBuilder.h
index e1d1c7849450..7bed07c36c52 100644
--- a/polly/include/polly/ScopBuilder.h
+++ b/polly/include/polly/ScopBuilder.h
@@ -31,8 +31,8 @@ extern bool ModelReadOnlyScalars;
/// Build the Polly IR (Scop and ScopStmt) on a Region.
class ScopBuilder {
- /// The AliasAnalysis to build AliasSetTracker.
- AliasAnalysis &AA;
+ /// The AAResults to build AliasSetTracker.
+ AAResults &AA;
/// Target data for element size computing.
const DataLayout &DL;
@@ -823,7 +823,7 @@ class ScopBuilder {
void buildSchedule(RegionNode *RN, LoopStackTy &LoopStack);
public:
- explicit ScopBuilder(Region *R, AssumptionCache &AC, AliasAnalysis &AA,
+ explicit ScopBuilder(Region *R, AssumptionCache &AC, AAResults &AA,
const DataLayout &DL, DominatorTree &DT, LoopInfo &LI,
ScopDetection &SD, ScalarEvolution &SE,
OptimizationRemarkEmitter &ORE);
diff --git a/polly/include/polly/ScopDetection.h b/polly/include/polly/ScopDetection.h
index ead8079d2e2e..f28ab498c83f 100644
--- a/polly/include/polly/ScopDetection.h
+++ b/polly/include/polly/ScopDetection.h
@@ -48,7 +48,6 @@
#include "polly/ScopDetectionDiagnostic.h"
#include "polly/Support/ScopHelper.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/RegionInfo.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
@@ -58,6 +57,8 @@
using namespace llvm;
namespace llvm {
+class AAResults;
+
void initializeScopDetectionWrapperPassPass(PassRegistry &);
} // namespace llvm
@@ -161,7 +162,7 @@ class ScopDetection {
MapInsnToMemAcc InsnToMemAcc;
/// Initialize a DetectionContext from scratch.
- DetectionContext(Region &R, AliasAnalysis &AA, bool Verify)
+ DetectionContext(Region &R, AAResults &AA, bool Verify)
: CurRegion(R), AST(AA), Verifying(Verify), Log(&R) {}
/// Initialize a DetectionContext with the data from @p DC.
@@ -197,7 +198,7 @@ class ScopDetection {
ScalarEvolution &SE;
LoopInfo &LI;
RegionInfo &RI;
- AliasAnalysis &AA;
+ AAResults &AA;
//@}
/// Map to remember detection contexts for all regions.
@@ -518,7 +519,7 @@ class ScopDetection {
public:
ScopDetection(Function &F, const DominatorTree &DT, ScalarEvolution &SE,
- LoopInfo &LI, RegionInfo &RI, AliasAnalysis &AA,
+ LoopInfo &LI, RegionInfo &RI, AAResults &AA,
OptimizationRemarkEmitter &ORE);
/// Get the RegionInfo stored in this pass.
diff --git a/polly/include/polly/ScopInfo.h b/polly/include/polly/ScopInfo.h
index 5d18582a07ed..cdc70e00fa88 100644
--- a/polly/include/polly/ScopInfo.h
+++ b/polly/include/polly/ScopInfo.h
@@ -1901,7 +1901,7 @@ class Scop {
//@}
/// Initialize this ScopBuilder.
- void init(AliasAnalysis &AA, AssumptionCache &AC, DominatorTree &DT,
+ void init(AAResults &AA, AssumptionCache &AC, DominatorTree &DT,
LoopInfo &LI);
/// Add parameter constraints to @p C that imply a non-empty domain.
@@ -2737,15 +2737,15 @@ class ScopInfo {
ScopDetection &SD;
ScalarEvolution &SE;
LoopInfo &LI;
- AliasAnalysis &AA;
+ AAResults &AA;
DominatorTree &DT;
AssumptionCache &AC;
OptimizationRemarkEmitter &ORE;
public:
ScopInfo(const DataLayout &DL, ScopDetection &SD, ScalarEvolution &SE,
- LoopInfo &LI, AliasAnalysis &AA, DominatorTree &DT,
- AssumptionCache &AC, OptimizationRemarkEmitter &ORE);
+ LoopInfo &LI, AAResults &AA, DominatorTree &DT, AssumptionCache &AC,
+ OptimizationRemarkEmitter &ORE);
/// Get the Scop object for the given Region.
///
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