#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Twine.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/IR/ValueMap.h"
#include "llvm/Transforms/Utils/ValueMapper.h"
+#include <functional>
namespace llvm {
class Loop;
class LoopInfo;
class AllocaInst;
+class AssumptionCacheTracker;
+class DominatorTree;
/// CloneModule - Return an exact copy of the specified module
///
Module *CloneModule(const Module *M);
Module *CloneModule(const Module *M, ValueToValueMapTy &VMap);
+/// Return a copy of the specified module. The ShouldCloneDefinition function
+/// controls whether a specific GlobalValue's definition is cloned. If the
+/// function returns false, the module copy will contain an external reference
+/// in place of the global definition.
+Module *
+CloneModule(const Module *M, ValueToValueMapTy &VMap,
+ std::function<bool(const GlobalValue *)> ShouldCloneDefinition);
+
/// ClonedCodeInfo - This struct can be used to capture information about code
/// being cloned, while it is being cloned.
struct ClonedCodeInfo {
/// size.
bool ContainsDynamicAllocas;
+ /// All cloned call sites that have operand bundles attached are appended to
+ /// this vector.
+ std::vector<AssertingVH<Instruction>> OperandBundleCallSites;
+
ClonedCodeInfo() : ContainsCalls(false), ContainsDynamicAllocas(false) {}
};
/// function, you can specify a ClonedCodeInfo object with the optional fifth
/// parameter.
///
-BasicBlock *CloneBasicBlock(const BasicBlock *BB,
- ValueToValueMapTy &VMap,
+BasicBlock *CloneBasicBlock(const BasicBlock *BB, ValueToValueMapTy &VMap,
const Twine &NameSuffix = "", Function *F = nullptr,
ClonedCodeInfo *CodeInfo = nullptr);
/// If ModuleLevelChanges is false, VMap contains no non-identity GlobalValue
/// mappings, and debug info metadata will not be cloned.
///
-Function *CloneFunction(const Function *F,
- ValueToValueMapTy &VMap,
+Function *CloneFunction(const Function *F, ValueToValueMapTy &VMap,
bool ModuleLevelChanges,
ClonedCodeInfo *CodeInfo = nullptr);
/// mappings.
///
void CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
- ValueToValueMapTy &VMap,
- bool ModuleLevelChanges,
+ ValueToValueMapTy &VMap, bool ModuleLevelChanges,
SmallVectorImpl<ReturnInst*> &Returns,
const char *NameSuffix = "",
ClonedCodeInfo *CodeInfo = nullptr,
ValueMapTypeRemapper *TypeMapper = nullptr,
ValueMaterializer *Materializer = nullptr);
+/// A helper class used with CloneAndPruneIntoFromInst to change the default
+/// behavior while instructions are being cloned.
+class CloningDirector {
+public:
+ /// This enumeration describes the way CloneAndPruneIntoFromInst should
+ /// proceed after the CloningDirector has examined an instruction.
+ enum CloningAction {
+ ///< Continue cloning the instruction (default behavior).
+ CloneInstruction,
+ ///< Skip this instruction but continue cloning the current basic block.
+ SkipInstruction,
+ ///< Skip this instruction and stop cloning the current basic block.
+ StopCloningBB,
+ ///< Don't clone the terminator but clone the current block's successors.
+ CloneSuccessors
+ };
+
+ virtual ~CloningDirector() {}
+
+ /// Subclasses must override this function to customize cloning behavior.
+ virtual CloningAction handleInstruction(ValueToValueMapTy &VMap,
+ const Instruction *Inst,
+ BasicBlock *NewBB) = 0;
+
+ virtual ValueMapTypeRemapper *getTypeRemapper() { return nullptr; }
+ virtual ValueMaterializer *getValueMaterializer() { return nullptr; }
+};
+
+void CloneAndPruneIntoFromInst(Function *NewFunc, const Function *OldFunc,
+ const Instruction *StartingInst,
+ ValueToValueMapTy &VMap, bool ModuleLevelChanges,
+ SmallVectorImpl<ReturnInst*> &Returns,
+ const char *NameSuffix = "",
+ ClonedCodeInfo *CodeInfo = nullptr,
+ CloningDirector *Director = nullptr);
+
+
/// CloneAndPruneFunctionInto - This works exactly like CloneFunctionInto,
/// except that it does some simple constant prop and DCE on the fly. The
/// effect of this is to copy significantly less code in cases where (for
/// mappings.
///
void CloneAndPruneFunctionInto(Function *NewFunc, const Function *OldFunc,
- ValueToValueMapTy &VMap,
- bool ModuleLevelChanges,
+ ValueToValueMapTy &VMap, bool ModuleLevelChanges,
SmallVectorImpl<ReturnInst*> &Returns,
const char *NameSuffix = "",
ClonedCodeInfo *CodeInfo = nullptr,
- const DataLayout *DL = nullptr,
Instruction *TheCall = nullptr);
/// InlineFunctionInfo - This class captures the data input to the
/// InlineFunction call, and records the auxiliary results produced by it.
class InlineFunctionInfo {
public:
- explicit InlineFunctionInfo(CallGraph *cg = nullptr, const DataLayout *DL = nullptr)
- : CG(cg), DL(DL) {}
+ explicit InlineFunctionInfo(CallGraph *cg = nullptr,
+ AssumptionCacheTracker *ACT = nullptr)
+ : CG(cg), ACT(ACT) {}
/// CG - If non-null, InlineFunction will update the callgraph to reflect the
/// changes it makes.
CallGraph *CG;
- const DataLayout *DL;
+ AssumptionCacheTracker *ACT;
/// StaticAllocas - InlineFunction fills this in with all static allocas that
/// get copied into the caller.
- SmallVector<AllocaInst*, 4> StaticAllocas;
+ SmallVector<AllocaInst *, 4> StaticAllocas;
/// InlinedCalls - InlineFunction fills this in with callsites that were
/// inlined from the callee. This is only filled in if CG is non-null.
/// exists in the instruction stream. Similarly this will inline a recursive
/// function by one level.
///
-bool InlineFunction(CallInst *C, InlineFunctionInfo &IFI, bool InsertLifetime = true);
-bool InlineFunction(InvokeInst *II, InlineFunctionInfo &IFI, bool InsertLifetime = true);
-bool InlineFunction(CallSite CS, InlineFunctionInfo &IFI, bool InsertLifetime = true);
+bool InlineFunction(CallInst *C, InlineFunctionInfo &IFI,
+ AAResults *CalleeAAR = nullptr, bool InsertLifetime = true);
+bool InlineFunction(InvokeInst *II, InlineFunctionInfo &IFI,
+ AAResults *CalleeAAR = nullptr, bool InsertLifetime = true);
+bool InlineFunction(CallSite CS, InlineFunctionInfo &IFI,
+ AAResults *CalleeAAR = nullptr, bool InsertLifetime = true);
+
+/// \brief Clones a loop \p OrigLoop. Returns the loop and the blocks in \p
+/// Blocks.
+///
+/// Updates LoopInfo and DominatorTree assuming the loop is dominated by block
+/// \p LoopDomBB. Insert the new blocks before block specified in \p Before.
+Loop *cloneLoopWithPreheader(BasicBlock *Before, BasicBlock *LoopDomBB,
+ Loop *OrigLoop, ValueToValueMapTy &VMap,
+ const Twine &NameSuffix, LoopInfo *LI,
+ DominatorTree *DT,
+ SmallVectorImpl<BasicBlock *> &Blocks);
+
+/// \brief Remaps instructions in \p Blocks using the mapping in \p VMap.
+void remapInstructionsInBlocks(const SmallVectorImpl<BasicBlock *> &Blocks,
+ ValueToValueMapTy &VMap);
} // End llvm namespace
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