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| author | rdivacky <rdivacky@FreeBSD.org> | 2010-04-02 08:54:30 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2010-04-02 08:54:30 +0000 |
| commit | 20e856b2a58d12231aa42d5d13888b15ac03e5a4 (patch) | |
| tree | cf5763d092b81cecc168fa28032247ee495d06e2 /include/llvm/Transforms | |
| parent | 2f2afc1aae898651e26987a5c71f3febb19bca98 (diff) | |
| download | FreeBSD-src-20e856b2a58d12231aa42d5d13888b15ac03e5a4.zip FreeBSD-src-20e856b2a58d12231aa42d5d13888b15ac03e5a4.tar.gz | |
Update LLVM to r100181.
Diffstat (limited to 'include/llvm/Transforms')
| -rw-r--r-- | include/llvm/Transforms/Utils/BuildLibCalls.h | 6 | ||||
| -rw-r--r-- | include/llvm/Transforms/Utils/SSAUpdater.h | 32 |
2 files changed, 29 insertions, 9 deletions
diff --git a/include/llvm/Transforms/Utils/BuildLibCalls.h b/include/llvm/Transforms/Utils/BuildLibCalls.h index ac5f07e..d278672 100644 --- a/include/llvm/Transforms/Utils/BuildLibCalls.h +++ b/include/llvm/Transforms/Utils/BuildLibCalls.h @@ -49,6 +49,12 @@ namespace llvm { Value *EmitMemCpy(Value *Dst, Value *Src, Value *Len, unsigned Align, IRBuilder<> &B, const TargetData *TD); + /// EmitMemCpyChk - Emit a call to the __memcpy_chk function to the builder. + /// This expects that the Len and ObjSize have type 'intptr_t' and Dst/Src + /// are pointers. + Value *EmitMemCpyChk(Value *Dst, Value *Src, Value *Len, Value *ObjSize, + IRBuilder<> &B, const TargetData *TD); + /// EmitMemMove - Emit a call to the memmove function to the builder. This /// always expects that the size has type 'intptr_t' and Dst/Src are pointers. Value *EmitMemMove(Value *Dst, Value *Src, Value *Len, diff --git a/include/llvm/Transforms/Utils/SSAUpdater.h b/include/llvm/Transforms/Utils/SSAUpdater.h index 927e156..b29b749 100644 --- a/include/llvm/Transforms/Utils/SSAUpdater.h +++ b/include/llvm/Transforms/Utils/SSAUpdater.h @@ -27,22 +27,28 @@ namespace llvm { /// transformation wants to rewrite a set of uses of one value with uses of a /// set of values. class SSAUpdater { +public: + class BBInfo; + +private: /// AvailableVals - This keeps track of which value to use on a per-block - /// basis. When we insert PHI nodes, we keep track of them here. We use - /// TrackingVH's for the value of the map because we RAUW PHI nodes when we - /// eliminate them, and want the TrackingVH's to track this. - //typedef DenseMap<BasicBlock*, TrackingVH<Value> > AvailableValsTy; + /// basis. When we insert PHI nodes, we keep track of them here. + //typedef DenseMap<BasicBlock*, Value*> AvailableValsTy; void *AV; /// PrototypeValue is an arbitrary representative value, which we derive names /// and a type for PHI nodes. Value *PrototypeValue; - /// IncomingPredInfo - We use this as scratch space when doing our recursive - /// walk. This should only be used in GetValueInBlockInternal, normally it - /// should be empty. - //std::vector<std::pair<BasicBlock*, TrackingVH<Value> > > IncomingPredInfo; - void *IPI; + /// BBMap - The GetValueAtEndOfBlock method maintains this mapping from + /// basic blocks to BBInfo structures. + /// typedef DenseMap<BasicBlock*, BBInfo*> BBMapTy; + void *BM; + + /// Allocator - The GetValueAtEndOfBlock method uses this BumpPtrAllocator to + /// hold its internal data. The allocator and its storage is created and + /// discarded for each invocation of GetValueAtEndOfBlock. + void *BPA; /// InsertedPHIs - If this is non-null, the SSAUpdater adds all PHI nodes that /// it creates to the vector. @@ -99,6 +105,14 @@ public: private: Value *GetValueAtEndOfBlockInternal(BasicBlock *BB); + void FindPHIPlacement(BasicBlock *BB, BBInfo *Info, bool &Changed, + unsigned Counter); + void FindAvailableVal(BasicBlock *BB, BBInfo *Info, unsigned Counter); + void FindExistingPHI(BasicBlock *BB); + bool CheckIfPHIMatches(PHINode *PHI); + void RecordMatchingPHI(PHINode *PHI); + void ClearPHITags(PHINode *PHI); + void operator=(const SSAUpdater&); // DO NOT IMPLEMENT SSAUpdater(const SSAUpdater&); // DO NOT IMPLEMENT }; |
