diff options
Diffstat (limited to 'contrib/llvm/lib/Transforms/InstCombine/InstCombineInternal.h')
| -rw-r--r-- | contrib/llvm/lib/Transforms/InstCombine/InstCombineInternal.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/contrib/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/contrib/llvm/lib/Transforms/InstCombine/InstCombineInternal.h index ac934f1..534f670 100644 --- a/contrib/llvm/lib/Transforms/InstCombine/InstCombineInternal.h +++ b/contrib/llvm/lib/Transforms/InstCombine/InstCombineInternal.h @@ -281,6 +281,7 @@ public: ICmpInst::Predicate Pred); Instruction *FoldGEPICmp(GEPOperator *GEPLHS, Value *RHS, ICmpInst::Predicate Cond, Instruction &I); + Instruction *FoldAllocaCmp(ICmpInst &ICI, AllocaInst *Alloca, Value *Other); Instruction *FoldShiftByConstant(Value *Op0, Constant *Op1, BinaryOperator &I); Instruction *commonCastTransforms(CastInst &CI); @@ -341,6 +342,7 @@ public: const unsigned SIOpd); private: + bool ShouldChangeType(unsigned FromBitWidth, unsigned ToBitWidth) const; bool ShouldChangeType(Type *From, Type *To) const; Value *dyn_castNegVal(Value *V) const; Value *dyn_castFNegVal(Value *V, bool NoSignedZero = false) const; @@ -360,6 +362,11 @@ private: /// \brief Try to optimize a sequence of instructions checking if an operation /// on LHS and RHS overflows. /// + /// If this overflow check is done via one of the overflow check intrinsics, + /// then CtxI has to be the call instruction calling that intrinsic. If this + /// overflow check is done by arithmetic followed by a compare, then CtxI has + /// to be the arithmetic instruction. + /// /// If a simplification is possible, stores the simplified result of the /// operation in OperationResult and result of the overflow check in /// OverflowResult, and return true. If no simplification is possible, @@ -393,7 +400,7 @@ public: assert(New && !New->getParent() && "New instruction already inserted into a basic block!"); BasicBlock *BB = Old.getParent(); - BB->getInstList().insert(&Old, New); // Insert inst + BB->getInstList().insert(Old.getIterator(), New); // Insert inst Worklist.Add(New); return New; } @@ -539,6 +546,7 @@ private: Instruction *FoldPHIArgBinOpIntoPHI(PHINode &PN); Instruction *FoldPHIArgGEPIntoPHI(PHINode &PN); Instruction *FoldPHIArgLoadIntoPHI(PHINode &PN); + Instruction *FoldPHIArgZextsIntoPHI(PHINode &PN); Instruction *OptAndOp(Instruction *Op, ConstantInt *OpRHS, ConstantInt *AndRHS, BinaryOperator &TheAnd); @@ -548,7 +556,7 @@ private: Value *InsertRangeTest(Value *V, Constant *Lo, Constant *Hi, bool isSigned, bool Inside); Instruction *PromoteCastOfAllocation(BitCastInst &CI, AllocaInst &AI); - Instruction *MatchBSwap(BinaryOperator &I); + Instruction *MatchBSwapOrBitReverse(BinaryOperator &I); bool SimplifyStoreAtEndOfBlock(StoreInst &SI); Instruction *SimplifyMemTransfer(MemIntrinsic *MI); Instruction *SimplifyMemSet(MemSetInst *MI); |
