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Move the operator new and operator delete out of line. This fixes an issue with

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operator new() referring to the static initTags function, which has to be in the 
same linkage unit as any file including User.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51136 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2008-05-15 01:23:11 +00:00
parent 386f3e9d50
commit ff155f03bd
2 changed files with 21 additions and 17 deletions
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19
include/llvm/User.h
View File

@ -227,16 +227,7 @@ protected:
///
unsigned NumOperands;
void *operator new(size_t s, unsigned Us) {
void *Storage = ::operator new(s + sizeof(Use) * Us);
Use *Start = static_cast<Use*>(Storage);
Use *End = Start + Us;
User *Obj = reinterpret_cast<User*>(End);
Obj->OperandList = Start;
Obj->NumOperands = Us;
Use::initTags(Start, End);
return Obj;
}
void *operator new(size_t s, unsigned Us);
User(const Type *Ty, unsigned vty, Use *OpList, unsigned NumOps)
: Value(Ty, vty), OperandList(OpList), NumOperands(NumOps) {}
Use *allocHungoffUses(unsigned) const;
@ -251,13 +242,7 @@ public:
~User() {
Use::zap(OperandList, OperandList + NumOperands);
}
void operator delete(void *Usr) {
User *Start = static_cast<User*>(Usr);
Use *Storage = static_cast<Use*>(Usr) - Start->NumOperands;
::operator delete(Storage == Start->OperandList
? Storage
: Usr);
}
void operator delete(void *Usr);
template <unsigned Idx> Use &Op() {
return OperandTraits<User>::op_begin(this)[Idx];
}

19
lib/VMCore/Value.cpp
View File

@ -355,3 +355,22 @@ void User::replaceUsesOfWith(Value *From, Value *To) {
setOperand(i, To); // Fix it now...
}
}
void *User::operator new(size_t s, unsigned Us) {
void *Storage = ::operator new(s + sizeof(Use) * Us);
Use *Start = static_cast<Use*>(Storage);
Use *End = Start + Us;
User *Obj = reinterpret_cast<User*>(End);
Obj->OperandList = Start;
Obj->NumOperands = Us;
Use::initTags(Start, End);
return Obj;
}
void User::operator delete(void *Usr) {
User *Start = static_cast<User*>(Usr);
Use *Storage = static_cast<Use*>(Usr) - Start->NumOperands;
::operator delete(Storage == Start->OperandList
? Storage
: Usr);
}