#ifndef LLVM_SUPPORT_CALLSITE_H
#define LLVM_SUPPORT_CALLSITE_H
-#include "llvm/Attributes.h"
#include "llvm/ADT/PointerIntPair.h"
-#include "llvm/BasicBlock.h"
-#include "llvm/CallingConv.h"
-#include "llvm/Instructions.h"
+#include "llvm/IR/Attributes.h"
+#include "llvm/IR/CallingConv.h"
+#include "llvm/IR/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.
InstrTy *getInstruction() const { return I.getPointer(); }
InstrTy *operator->() const { return I.getPointer(); }
- operator bool() const { return I.getPointer(); }
+ LLVM_EXPLICIT operator bool() const { return I.getPointer(); }
- /// getCalledValue - Return the pointer to function that is being called...
+ /// getCalledValue - Return the pointer to function that is being called.
///
ValTy *getCalledValue() const {
assert(getInstruction() && "Not a call or invoke instruction!");
return dyn_cast<FunTy>(getCalledValue());
}
- /// setCalledFunction - Set the callee to the specified value...
+ /// setCalledFunction - Set the callee to the specified value.
///
void setCalledFunction(Value *V) {
assert(getInstruction() && "Not a call or invoke instruction!");
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.
}
/// arg_iterator - The type of iterator to use when looping over actual
- /// arguments at this call site...
+ /// arguments at this call site.
typedef IterTy arg_iterator;
/// arg_begin/arg_end - Return iterators corresponding to the actual argument
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(); }
/// getType - Return the type of the instruction that generated this call site
///
- const Type *getType() const { return (*this)->getType(); }
+ Type *getType() const { return (*this)->getType(); }
/// getCaller - Return the caller function for this call site
///
/// getAttributes/setAttributes - get or set the parameter attributes of
/// the call.
- const AttrListPtr &getAttributes() const {
+ const AttributeSet &getAttributes() const {
CALLSITE_DELEGATE_GETTER(getAttributes());
}
- void setAttributes(const AttrListPtr &PAL) {
+ void setAttributes(const AttributeSet &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 {
- CALLSITE_DELEGATE_GETTER(paramHasAttr(i, attr));
+ /// \brief Return true if this function has the given attribute.
+ bool hasFnAttr(Attribute::AttrKind A) const {
+ CALLSITE_DELEGATE_GETTER(hasFnAttr(A));
+ }
+
+ /// \brief Return true if the call or the callee has the given attribute.
+ bool paramHasAttr(unsigned i, Attribute::AttrKind A) const {
+ CALLSITE_DELEGATE_GETTER(paramHasAttr(i, A));
}
/// @brief Extract the alignment for a call or parameter (0=unknown).
CALLSITE_DELEGATE_GETTER(getParamAlignment(i));
}
+ /// \brief Return true if the call should not be treated as a call to a
+ /// builtin.
+ bool isNoBuiltin() const {
+ CALLSITE_DELEGATE_GETTER(isNoBuiltin());
+ }
+
/// @brief Return true if the call should not be inlined.
bool isNoInline() const {
CALLSITE_DELEGATE_GETTER(isNoInline());
bool doesNotAccessMemory() const {
CALLSITE_DELEGATE_GETTER(doesNotAccessMemory());
}
- void setDoesNotAccessMemory(bool doesNotAccessMemory = true) {
- CALLSITE_DELEGATE_SETTER(setDoesNotAccessMemory(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(bool onlyReadsMemory = true) {
- CALLSITE_DELEGATE_SETTER(setOnlyReadsMemory(onlyReadsMemory));
+ void setOnlyReadsMemory() {
+ CALLSITE_DELEGATE_SETTER(setOnlyReadsMemory());
}
/// @brief Determine if the call cannot return.
bool doesNotReturn() const {
CALLSITE_DELEGATE_GETTER(doesNotReturn());
}
- void setDoesNotReturn(bool doesNotReturn = true) {
- CALLSITE_DELEGATE_SETTER(setDoesNotReturn(doesNotReturn));
+ void setDoesNotReturn() {
+ CALLSITE_DELEGATE_SETTER(setDoesNotReturn());
}
/// @brief Determine if the call cannot unwind.
bool doesNotThrow() const {
CALLSITE_DELEGATE_GETTER(doesNotThrow());
}
- void setDoesNotThrow(bool doesNotThrow = true) {
- CALLSITE_DELEGATE_SETTER(setDoesNotThrow(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, Attribute::NoCapture);
+ }
+
+ /// @brief Determine whether this argument is passed by value.
+ bool isByValArgument(unsigned ArgNo) const {
+ return paramHasAttr(ArgNo + 1, Attribute::ByVal);
+ }
+
+ /// @brief Determine whether this argument is passed in an alloca.
+ bool isInAllocaArgument(unsigned ArgNo) const {
+ return paramHasAttr(ArgNo + 1, Attribute::InAlloca);
+ }
+
+ /// @brief Determine whether this argument is passed by value or in an alloca.
+ bool isByValOrInAllocaArgument(unsigned ArgNo) const {
+ return paramHasAttr(ArgNo + 1, Attribute::ByVal) ||
+ paramHasAttr(ArgNo + 1, Attribute::InAlloca);
+ }
+
+ /// @brief Determine if there are any inalloca arguments.
+ bool hasInAllocaArgument() const {
+ return getAttributes().hasAttrSomewhere(Attribute::InAlloca);
+ }
+
+ bool doesNotAccessMemory(unsigned ArgNo) const {
+ return paramHasAttr(ArgNo + 1, Attribute::ReadNone);
+ }
+
+ bool onlyReadsMemory(unsigned ArgNo) const {
+ return paramHasAttr(ArgNo + 1, Attribute::ReadOnly) ||
+ paramHasAttr(ArgNo + 1, Attribute::ReadNone);
+ }
+
/// hasArgument - Returns true if this CallSite passes the given Value* as an
/// argument to the called function.
bool hasArgument(const Value *Arg) const {
}
private:
- /// Returns the operand number of the first argument
- unsigned getArgumentOffset() const {
- if (isCall())
- return CallInst::ArgOffset; // Skip Function (ATM)
- else
- return 0; // Args are at the front
- }
-
unsigned getArgumentEndOffset() const {
if (isCall())
- return CallInst::ArgOffset ? 0 : 1; // 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 CallInst::ArgOffset
- ? getInstruction()->op_begin() // Unchanged
- : getInstruction()->op_end() - 1; // Skip Function
- 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) {}
bool operator==(const CallSite &CS) const { return I == CS.I; }
bool operator!=(const CallSite &CS) const { return I != CS.I; }
-
- /// 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);
- }
-
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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