#include "llvm/ADT/PointerIntPair.h"
#include "llvm/BasicBlock.h"
#include "llvm/CallingConv.h"
-#include "llvm/Instruction.h"
+#include "llvm/Instructions.h"
namespace llvm {
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());
- }
-
+protected:
/// CallSiteBase::get - This static method is sort of like a constructor. It
/// will create an appropriate call site for a Call or Invoke instruction, but
/// it can also create a null initialized CallSiteBase object for something
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();
}
-
+public:
/// isCall - true if a CallInst is enclosed.
/// Note that !isCall() does not mean it is an InvokeInst enclosed,
/// it also could signify a NULL Instruction pointer.
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(); }
///
FunTy *getCaller() const { return (*this)->getParent()->getParent(); }
-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)
- else
- return 3; // Skip BB, BB, Function
- }
-
- 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
- }
-};
-
-/// 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,
- CallInst, InvokeInst, User::op_iterator> Base;
-public:
- CallSite() {}
- CallSite(Base B) : Base(B) {}
- 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; }
+#define CALLSITE_DELEGATE_GETTER(METHOD) \
+ InstrTy *II = getInstruction(); \
+ return isCall() \
+ ? cast<CallInst>(II)->METHOD \
+ : cast<InvokeInst>(II)->METHOD
- /// CallSite::get - This static method is sort of like a constructor. It will
- /// create an appropriate call site for a Call or Invoke instruction, but it
- /// can also create a null initialized CallSite object for something which is
- /// NOT a call site.
- ///
- static CallSite get(Value *V) {
- return Base::get(V);
- }
+#define CALLSITE_DELEGATE_SETTER(METHOD) \
+ InstrTy *II = getInstruction(); \
+ if (isCall()) \
+ cast<CallInst>(II)->METHOD; \
+ else \
+ cast<InvokeInst>(II)->METHOD
/// getCallingConv/setCallingConv - get or set the calling convention of the
/// call.
- CallingConv::ID getCallingConv() const;
- void setCallingConv(CallingConv::ID CC);
+ CallingConv::ID getCallingConv() const {
+ CALLSITE_DELEGATE_GETTER(getCallingConv());
+ }
+ void setCallingConv(CallingConv::ID CC) {
+ CALLSITE_DELEGATE_SETTER(setCallingConv(CC));
+ }
/// getAttributes/setAttributes - get or set the parameter attributes of
/// the call.
- const AttrListPtr &getAttributes() const;
- void setAttributes(const AttrListPtr &PAL);
+ const AttrListPtr &getAttributes() const {
+ CALLSITE_DELEGATE_GETTER(getAttributes());
+ }
+ void setAttributes(const AttrListPtr &PAL) {
+ CALLSITE_DELEGATE_SETTER(setAttributes(PAL));
+ }
/// paramHasAttr - whether the call or the callee has the given attribute.
- bool paramHasAttr(uint16_t i, Attributes attr) const;
+ bool paramHasAttr(uint16_t i, Attributes attr) const {
+ CALLSITE_DELEGATE_GETTER(paramHasAttr(i, attr));
+ }
/// @brief Extract the alignment for a call or parameter (0=unknown).
- uint16_t getParamAlignment(uint16_t i) const;
+ 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;
- void setIsNoInline(bool Value = true);
-
+ 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;
- void setDoesNotAccessMemory(bool doesNotAccessMemory = true);
+ bool doesNotAccessMemory() const {
+ CALLSITE_DELEGATE_GETTER(doesNotAccessMemory());
+ }
+ void setDoesNotAccessMemory(bool doesNotAccessMemory = true) {
+ CALLSITE_DELEGATE_SETTER(setDoesNotAccessMemory(doesNotAccessMemory));
+ }
/// @brief Determine if the call does not access or only reads memory.
- bool onlyReadsMemory() const;
- void setOnlyReadsMemory(bool onlyReadsMemory = true);
+ bool onlyReadsMemory() const {
+ CALLSITE_DELEGATE_GETTER(onlyReadsMemory());
+ }
+ void setOnlyReadsMemory(bool onlyReadsMemory = true) {
+ CALLSITE_DELEGATE_SETTER(setOnlyReadsMemory(onlyReadsMemory));
+ }
/// @brief Determine if the call cannot return.
- bool doesNotReturn() const;
- void setDoesNotReturn(bool doesNotReturn = true);
+ bool doesNotReturn() const {
+ CALLSITE_DELEGATE_GETTER(doesNotReturn());
+ }
+ void setDoesNotReturn(bool doesNotReturn = true) {
+ CALLSITE_DELEGATE_SETTER(setDoesNotReturn(doesNotReturn));
+ }
/// @brief Determine if the call cannot unwind.
- bool doesNotThrow() const;
- void setDoesNotThrow(bool doesNotThrow = true);
+ bool doesNotThrow() const {
+ CALLSITE_DELEGATE_GETTER(doesNotThrow());
+ }
+ void setDoesNotThrow(bool doesNotThrow = true) {
+ CALLSITE_DELEGATE_SETTER(setDoesNotThrow(doesNotThrow));
+ }
+
+#undef CALLSITE_DELEGATE_GETTER
+#undef CALLSITE_DELEGATE_SETTER
/// hasArgument - Returns true if this CallSite passes the given Value* as an
/// argument to the called function.
- bool hasArgument(const Value *Arg) const;
+ 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; }
bool operator<(const CallSite &CS) const {
return getInstruction() < CS.getInstruction();
}
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
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