PointerIntPair<InstrTy*, 1, bool> I;
public:
CallSiteBase() : I(0, false) {}
- CallSiteBase(CallTy *CI) : I(reinterpret_cast<InstrTy*>(CI), true) {}
- CallSiteBase(InvokeTy *II) : I(reinterpret_cast<InstrTy*>(II), false) {}
+ CallSiteBase(CallTy *CI) : I(CI, true) { assert(CI); }
+ CallSiteBase(InvokeTy *II) : I(II, false) { assert(II); }
CallSiteBase(ValTy *II) { *this = get(II); }
CallSiteBase(InstrTy *II) {
assert(II && "Null instruction given?");
*this = get(II);
- assert(I.getPointer());
+ assert(I.getPointer() && "Not a call?");
}
/// CallSiteBase::get - This static method is sort of like a constructor. It
static CallSiteBase get(ValTy *V) {
if (InstrTy *II = dyn_cast<InstrTy>(V)) {
if (II->getOpcode() == Instruction::Call)
- return CallSiteBase(reinterpret_cast<CallTy*>(II));
+ return CallSiteBase(static_cast<CallTy*>(II));
else if (II->getOpcode() == Instruction::Invoke)
- return CallSiteBase(reinterpret_cast<InvokeTy*>(II));
+ return CallSiteBase(static_cast<InvokeTy*>(II));
}
return CallSiteBase();
}
ValTy *getArgument(unsigned ArgNo) const {
assert(arg_begin() + ArgNo < arg_end() && "Argument # out of range!");
- return *(arg_begin()+ArgNo);
+ return *(arg_begin() + ArgNo);
}
void setArgument(unsigned ArgNo, Value* newVal) {
assert(getInstruction() && "Not a call or invoke instruction!");
assert(arg_begin() + ArgNo < arg_end() && "Argument # out of range!");
- getInstruction()->setOperand(getArgumentOffset() + ArgNo, newVal);
+ getInstruction()->setOperand(ArgNo, newVal);
}
/// Given a value use iterator, returns the argument that corresponds to it.
IterTy arg_begin() const {
assert(getInstruction() && "Not a call or invoke instruction!");
// Skip non-arguments
- return (*this)->op_begin() + getArgumentOffset();
+ return (*this)->op_begin();
}
IterTy arg_end() const { return (*this)->op_end() - getArgumentEndOffset(); }
CALLSITE_DELEGATE_GETTER(isNoInline());
}
void setIsNoInline(bool Value = true) {
- CALLSITE_DELEGATE_GETTER(setIsNoInline(Value));
+ CALLSITE_DELEGATE_SETTER(setIsNoInline(Value));
}
-
+
/// @brief Determine if the call does not access memory.
bool doesNotAccessMemory() const {
CALLSITE_DELEGATE_GETTER(doesNotAccessMemory());
}
private:
- /// Returns the operand number of the first argument
- unsigned getArgumentOffset() const {
- if (isCall())
- return 1; // Skip Function (ATM)
- else
- return 0; // Args are at the front
- }
-
unsigned getArgumentEndOffset() const {
if (isCall())
- return 0; // Unchanged (ATM)
+ return 1; // Skip Callee
else
- return 3; // Skip BB, BB, Function
+ return 3; // Skip BB, BB, Callee
}
IterTy getCallee() const {
- // FIXME: this is slow, since we do not have the fast versions
- // of the op_*() functions here. See CallSite::getCallee.
- //
- if (isCall())
- return getInstruction()->op_begin(); // Unchanged (ATM)
- else
- return getInstruction()->op_end() - 3; // Skip BB, BB, Function
+ if (isCall()) // Skip Callee
+ return cast<CallInst>(getInstruction())->op_end() - 1;
+ else // Skip BB, BB, Callee
+ return cast<InvokeInst>(getInstruction())->op_end() - 3;
}
};
-/// ImmutableCallSite - establish a view to a call site for examination
-class ImmutableCallSite : public CallSiteBase<> {
- typedef CallSiteBase<> Base;
-public:
- ImmutableCallSite(const Value* V) : Base(V) {}
- ImmutableCallSite(const CallInst *CI) : Base(CI) {}
- ImmutableCallSite(const InvokeInst *II) : Base(II) {}
- ImmutableCallSite(const Instruction *II) : Base(II) {}
-};
-
class CallSite : public CallSiteBase<Function, Value, User, Instruction,
CallInst, InvokeInst, User::op_iterator> {
typedef CallSiteBase<Function, Value, User, Instruction,
public:
CallSite() {}
CallSite(Base B) : Base(B) {}
+ CallSite(Value* V) : Base(V) {}
CallSite(CallInst *CI) : Base(CI) {}
CallSite(InvokeInst *II) : Base(II) {}
CallSite(Instruction *II) : Base(II) {}
User::op_iterator getCallee() const;
};
+/// ImmutableCallSite - establish a view to a call site for examination
+class ImmutableCallSite : public CallSiteBase<> {
+ typedef CallSiteBase<> Base;
+public:
+ ImmutableCallSite(const Value* V) : Base(V) {}
+ ImmutableCallSite(const CallInst *CI) : Base(CI) {}
+ ImmutableCallSite(const InvokeInst *II) : Base(II) {}
+ ImmutableCallSite(const Instruction *II) : Base(II) {}
+ ImmutableCallSite(CallSite CS) : Base(CS.getInstruction()) {}
+};
+
} // End llvm namespace
#endif