+ /// \brief Return true if this function has the given attribute.
+ bool hasFnAttr(Attributes::AttrVal A) const {
+ CALLSITE_DELEGATE_GETTER(hasFnAttr(A));
+ }
+
+ /// \brief Return true if the call or the callee has the given attribute.
+ bool paramHasAttr(unsigned i, Attributes::AttrVal A) const {
+ CALLSITE_DELEGATE_GETTER(paramHasAttr(i, A));
+ }
+
+ /// @brief Extract the alignment for a call or parameter (0=unknown).
+ uint16_t getParamAlignment(uint16_t i) const {
+ CALLSITE_DELEGATE_GETTER(getParamAlignment(i));
+ }
+
+ /// @brief Return true if the call should not be inlined.
+ bool isNoInline() const {
+ CALLSITE_DELEGATE_GETTER(isNoInline());
+ }
+ void setIsNoInline(bool Value = true) {
+ CALLSITE_DELEGATE_SETTER(setIsNoInline(Value));
+ }
+
+ /// @brief Determine if the call does not access memory.
+ bool doesNotAccessMemory() const {
+ CALLSITE_DELEGATE_GETTER(doesNotAccessMemory());
+ }
+ void setDoesNotAccessMemory() {
+ CALLSITE_DELEGATE_SETTER(setDoesNotAccessMemory());
+ }
+
+ /// @brief Determine if the call does not access or only reads memory.
+ bool onlyReadsMemory() const {
+ CALLSITE_DELEGATE_GETTER(onlyReadsMemory());
+ }
+ void setOnlyReadsMemory() {
+ CALLSITE_DELEGATE_SETTER(setOnlyReadsMemory());
+ }
+
+ /// @brief Determine if the call cannot return.
+ bool doesNotReturn() const {
+ CALLSITE_DELEGATE_GETTER(doesNotReturn());
+ }
+ void setDoesNotReturn() {
+ CALLSITE_DELEGATE_SETTER(setDoesNotReturn());
+ }
+
+ /// @brief Determine if the call cannot unwind.
+ bool doesNotThrow() const {
+ CALLSITE_DELEGATE_GETTER(doesNotThrow());
+ }
+ void setDoesNotThrow() {
+ CALLSITE_DELEGATE_SETTER(setDoesNotThrow());
+ }
+
+#undef CALLSITE_DELEGATE_GETTER
+#undef CALLSITE_DELEGATE_SETTER
+
+ /// @brief Determine whether this argument is not captured.
+ bool doesNotCapture(unsigned ArgNo) const {
+ return paramHasAttr(ArgNo + 1, Attributes::NoCapture);
+ }
+
+ /// @brief Determine whether this argument is passed by value.
+ bool isByValArgument(unsigned ArgNo) const {
+ return paramHasAttr(ArgNo + 1, Attributes::ByVal);
+ }
+
+ /// hasArgument - Returns true if this CallSite passes the given Value* as an
+ /// argument to the called function.
+ bool hasArgument(const Value *Arg) const {
+ for (arg_iterator AI = this->arg_begin(), E = this->arg_end(); AI != E;
+ ++AI)
+ if (AI->get() == Arg)
+ return true;
+ return false;
+ }
+
+private:
+ unsigned getArgumentEndOffset() const {
+ if (isCall())
+ return 1; // Skip Callee
+ else
+ return 3; // Skip BB, BB, Callee
+ }
+
+ IterTy getCallee() const {
+ if (isCall()) // Skip Callee
+ return cast<CallInst>(getInstruction())->op_end() - 1;
+ else // Skip BB, BB, Callee
+ return cast<InvokeInst>(getInstruction())->op_end() - 3;
+ }
+};
+
+class CallSite : public CallSiteBase<Function, Value, User, Instruction,
+ CallInst, InvokeInst, User::op_iterator> {
+ typedef CallSiteBase<Function, Value, User, Instruction,
+ CallInst, InvokeInst, User::op_iterator> Base;
+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) {}
+
+ bool operator==(const CallSite &CS) const { return I == CS.I; }
+ bool operator!=(const CallSite &CS) const { return I != CS.I; }