BuildLazyArguments();
}
void BuildLazyArguments() const;
-
- Function(const Function&); // DO NOT IMPLEMENT
- void operator=(const Function&); // DO NOT IMPLEMENT
+
+ Function(const Function&) LLVM_DELETED_FUNCTION;
+ void operator=(const Function&) LLVM_DELETED_FUNCTION;
/// Function ctor - If the (optional) Module argument is specified, the
/// function is automatically inserted into the end of the function list for
/// the module.
///
- Function(const FunctionType *Ty, LinkageTypes Linkage,
+ Function(FunctionType *Ty, LinkageTypes Linkage,
const Twine &N = "", Module *M = 0);
public:
- static Function *Create(const FunctionType *Ty, LinkageTypes Linkage,
+ static Function *Create(FunctionType *Ty, LinkageTypes Linkage,
const Twine &N = "", Module *M = 0) {
return new(0) Function(Ty, Linkage, N, M);
}
~Function();
- const Type *getReturnType() const; // Return the type of the ret val
- const FunctionType *getFunctionType() const; // Return the FunctionType for me
+ Type *getReturnType() const; // Return the type of the ret val
+ FunctionType *getFunctionType() const; // Return the FunctionType for me
/// getContext - Return a pointer to the LLVMContext associated with this
/// function, or NULL if this function is not bound to a context yet.
/// arguments.
bool isVarArg() const;
- /// isDeclaration - Is the body of this function unknown? (The basic block
- /// list is empty if so.) This is true for function declarations, but not
- /// true for function definitions.
- ///
- virtual bool isDeclaration() const { return BasicBlocks.empty(); }
-
/// getIntrinsicID - This method returns the ID number of the specified
/// function, or Intrinsic::not_intrinsic if the function is not an
/// instrinsic, or if the pointer is null. This value is always defined to be
/// The particular intrinsic functions which correspond to this value are
/// defined in llvm/Intrinsics.h.
///
- unsigned getIntrinsicID() const LLVM_ATTRIBUTE_READONLY;
+ unsigned getIntrinsicID() const LLVM_READONLY;
bool isIntrinsic() const { return getIntrinsicID() != 0; }
/// getCallingConv()/setCallingConv(CC) - These method get and set the
///
void setAttributes(const AttrListPtr &attrs) { AttributeList = attrs; }
- /// hasFnAttr - Return true if this function has the given attribute.
- bool hasFnAttr(Attributes N) const {
- // Function Attributes are stored at ~0 index
- return AttributeList.paramHasAttr(~0U, N);
+ /// getFnAttributes - Return the function attributes for querying.
+ ///
+ Attributes getFnAttributes() const {
+ return AttributeList.getFnAttributes();
}
/// addFnAttr - Add function attributes to this function.
void setGC(const char *Str);
void clearGC();
- /// @brief Determine whether the function has the given attribute.
- bool paramHasAttr(unsigned i, Attributes attr) const {
- return AttributeList.paramHasAttr(i, attr);
+
+ /// getRetAttributes - Return the return attributes for querying.
+ Attributes getRetAttributes() const {
+ return AttributeList.getRetAttributes();
+ }
+
+ /// getParamAttributes - Return the parameter attributes for querying.
+ Attributes getParamAttributes(unsigned Idx) const {
+ return AttributeList.getParamAttributes(Idx);
}
/// addAttribute - adds the attribute to the list of attributes.
/// @brief Determine if the function does not access memory.
bool doesNotAccessMemory() const {
- return hasFnAttr(Attribute::ReadNone);
+ return getFnAttributes().hasAttribute(Attributes::ReadNone);
}
void setDoesNotAccessMemory(bool DoesNotAccessMemory = true) {
if (DoesNotAccessMemory) addFnAttr(Attribute::ReadNone);
/// @brief Determine if the function does not access or only reads memory.
bool onlyReadsMemory() const {
- return doesNotAccessMemory() || hasFnAttr(Attribute::ReadOnly);
+ return doesNotAccessMemory() ||
+ getFnAttributes().hasAttribute(Attributes::ReadOnly);
}
void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
if (OnlyReadsMemory) addFnAttr(Attribute::ReadOnly);
/// @brief Determine if the function cannot return.
bool doesNotReturn() const {
- return hasFnAttr(Attribute::NoReturn);
+ return getFnAttributes().hasAttribute(Attributes::NoReturn);
}
void setDoesNotReturn(bool DoesNotReturn = true) {
if (DoesNotReturn) addFnAttr(Attribute::NoReturn);
/// @brief Determine if the function cannot unwind.
bool doesNotThrow() const {
- return hasFnAttr(Attribute::NoUnwind);
+ return getFnAttributes().hasAttribute(Attributes::NoUnwind);
}
void setDoesNotThrow(bool DoesNotThrow = true) {
if (DoesNotThrow) addFnAttr(Attribute::NoUnwind);
/// @brief True if the ABI mandates (or the user requested) that this
/// function be in a unwind table.
bool hasUWTable() const {
- return hasFnAttr(Attribute::UWTable);
+ return getFnAttributes().hasAttribute(Attributes::UWTable);
}
void setHasUWTable(bool HasUWTable = true) {
if (HasUWTable)
/// @brief Determine if the function returns a structure through first
/// pointer argument.
bool hasStructRetAttr() const {
- return paramHasAttr(1, Attribute::StructRet);
+ return getParamAttributes(1).hasAttribute(Attributes::StructRet);
}
/// @brief Determine if the parameter does not alias other parameters.
/// @param n The parameter to check. 1 is the first parameter, 0 is the return
bool doesNotAlias(unsigned n) const {
- return paramHasAttr(n, Attribute::NoAlias);
+ return getParamAttributes(n).hasAttribute(Attributes::NoAlias);
}
void setDoesNotAlias(unsigned n, bool DoesNotAlias = true) {
if (DoesNotAlias) addAttribute(n, Attribute::NoAlias);
/// @brief Determine if the parameter can be captured.
/// @param n The parameter to check. 1 is the first parameter, 0 is the return
bool doesNotCapture(unsigned n) const {
- return paramHasAttr(n, Attribute::NoCapture);
+ return getParamAttributes(n).hasAttribute(Attributes::NoCapture);
}
void setDoesNotCapture(unsigned n, bool DoesNotCapture = true) {
if (DoesNotCapture) addAttribute(n, Attribute::NoCapture);
void dropAllReferences();
/// hasAddressTaken - returns true if there are any uses of this function
- /// other than direct calls or invokes to it. Optionally passes back the
- /// offending user for diagnostic purposes.
+ /// other than direct calls or invokes to it, or blockaddress expressions.
+ /// Optionally passes back an offending user for diagnostic purposes.
///
bool hasAddressTaken(const User** = 0) const;
+ /// isDefTriviallyDead - Return true if it is trivially safe to remove
+ /// this function definition from the module (because it isn't externally
+ /// visible, does not have its address taken, and has no callers). To make
+ /// this more accurate, call removeDeadConstantUsers first.
+ bool isDefTriviallyDead() const;
+
/// callsFunctionThatReturnsTwice - Return true if the function has a call to
/// setjmp or other function that gcc recognizes as "returning twice".
bool callsFunctionThatReturnsTwice() const;
projects / oota-llvm.git / blobdiff