diff options
Diffstat (limited to 'include/llvm')
| -rw-r--r-- | include/llvm/Instructions.h | 32 | ||||
| -rw-r--r-- | include/llvm/Support/IRBuilder.h | 5 |
2 files changed, 17 insertions, 20 deletions
diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h index 17ff763c52..e7161cd1d4 100644 --- a/include/llvm/Instructions.h +++ b/include/llvm/Instructions.h @@ -1811,39 +1811,35 @@ class PHINode : public Instruction { void *operator new(size_t s) { return User::operator new(s, 0); } - explicit PHINode(const Type *Ty, const Twine &NameStr = "", - Instruction *InsertBefore = 0) + explicit PHINode(const Type *Ty, unsigned NumReservedValues, + const Twine &NameStr = "", Instruction *InsertBefore = 0) : Instruction(Ty, Instruction::PHI, 0, 0, InsertBefore), - ReservedSpace(0) { + ReservedSpace(NumReservedValues * 2) { setName(NameStr); + OperandList = allocHungoffUses(ReservedSpace); } - PHINode(const Type *Ty, const Twine &NameStr, BasicBlock *InsertAtEnd) + PHINode(const Type *Ty, unsigned NumReservedValues, const Twine &NameStr, + BasicBlock *InsertAtEnd) : Instruction(Ty, Instruction::PHI, 0, 0, InsertAtEnd), - ReservedSpace(0) { + ReservedSpace(NumReservedValues * 2) { setName(NameStr); + OperandList = allocHungoffUses(ReservedSpace); } protected: virtual PHINode *clone_impl() const; public: - static PHINode *Create(const Type *Ty, const Twine &NameStr = "", + static PHINode *Create(const Type *Ty, unsigned NumReservedValues, + const Twine &NameStr = "", Instruction *InsertBefore = 0) { - return new PHINode(Ty, NameStr, InsertBefore); + return new PHINode(Ty, NumReservedValues, NameStr, InsertBefore); } - static PHINode *Create(const Type *Ty, const Twine &NameStr, - BasicBlock *InsertAtEnd) { - return new PHINode(Ty, NameStr, InsertAtEnd); + static PHINode *Create(const Type *Ty, unsigned NumReservedValues, + const Twine &NameStr, BasicBlock *InsertAtEnd) { + return new PHINode(Ty, NumReservedValues, NameStr, InsertAtEnd); } ~PHINode(); - /// reserveOperandSpace - This method can be used to avoid repeated - /// reallocation of PHI operand lists by reserving space for the correct - /// number of operands before adding them. Unlike normal vector reserves, - /// this method can also be used to trim the operand space. - void reserveOperandSpace(unsigned NumValues) { - resizeOperands(NumValues*2); - } - /// Provide fast operand accessors DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); diff --git a/include/llvm/Support/IRBuilder.h b/include/llvm/Support/IRBuilder.h index 2394a59c09..9d9348bfee 100644 --- a/include/llvm/Support/IRBuilder.h +++ b/include/llvm/Support/IRBuilder.h @@ -1070,8 +1070,9 @@ public: // Instruction creation methods: Other Instructions //===--------------------------------------------------------------------===// - PHINode *CreatePHI(const Type *Ty, const Twine &Name = "") { - return Insert(PHINode::Create(Ty), Name); + PHINode *CreatePHI(const Type *Ty, unsigned NumReservedValues, + const Twine &Name = "") { + return Insert(PHINode::Create(Ty, NumReservedValues), Name); } CallInst *CreateCall(Value *Callee, const Twine &Name = "") { |