#include "llvm/BasicBlock.h"
#include "llvm/Argument.h"
#include "llvm/Support/Annotation.h"
-#include "llvm/ParameterAttributes.h"
+#include "llvm/Attributes.h"
namespace llvm {
class FunctionType;
-// Traits for intrusive list of instructions...
+// Traits for intrusive list of basic blocks...
template<> struct ilist_traits<BasicBlock>
: public SymbolTableListTraits<BasicBlock, Function> {
- // createSentinel is used to create a node that marks the end of the list...
- static BasicBlock *createSentinel();
- static void destroySentinel(BasicBlock *BB) { delete BB; }
- static iplist<BasicBlock> &getList(Function *F);
+ // createSentinel is used to get hold of the node that marks the end of the
+ // list... (same trick used here as in ilist_traits<Instruction>)
+ BasicBlock *createSentinel() const {
+ return static_cast<BasicBlock*>(&Sentinel);
+ }
+ static void destroySentinel(BasicBlock*) {}
+
+ BasicBlock *provideInitialHead() const { return createSentinel(); }
+ BasicBlock *ensureHead(BasicBlock*) const { return createSentinel(); }
+ static void noteHead(BasicBlock*, BasicBlock*) {}
+
static ValueSymbolTable *getSymTab(Function *ItemParent);
- static int getListOffset();
+private:
+ mutable ilist_node<BasicBlock> Sentinel;
};
template<> struct ilist_traits<Argument>
: public SymbolTableListTraits<Argument, Function> {
- // createSentinel is used to create a node that marks the end of the list...
- static Argument *createSentinel();
- static void destroySentinel(Argument *A) { delete A; }
- static iplist<Argument> &getList(Function *F);
+ Argument *createSentinel() const {
+ return static_cast<Argument*>(&Sentinel);
+ }
+ static void destroySentinel(Argument*) {}
+
+ Argument *provideInitialHead() const { return createSentinel(); }
+ Argument *ensureHead(Argument*) const { return createSentinel(); }
+ static void noteHead(Argument*, Argument*) {}
+
static ValueSymbolTable *getSymTab(Function *ItemParent);
- static int getListOffset();
+private:
+ mutable ilist_node<Argument> Sentinel;
};
class Function : public GlobalValue, public Annotable,
BasicBlockListType BasicBlocks; ///< The basic blocks
mutable ArgumentListType ArgumentList; ///< The formal arguments
ValueSymbolTable *SymTab; ///< Symbol table of args/instructions
- PAListPtr ParamAttrs; ///< Parameter attributes
-
+ AttrListPtr AttributeList; ///< Parameter attributes
+
// The Calling Convention is stored in Value::SubclassData.
/*unsigned CallingConvention;*/
/// The particular intrinsic functions which correspond to this value are
/// defined in llvm/Intrinsics.h.
///
- unsigned getIntrinsicID(bool noAssert = false) const;
+ unsigned getIntrinsicID() const;
bool isIntrinsic() const { return getIntrinsicID() != 0; }
/// getCallingConv()/setCallingConv(uint) - These method get and set the
SubclassData = (SubclassData & 1) | (CC << 1);
}
- /// getParamAttrs - Return the parameter attributes for this Function.
+ /// getAttributes - Return the attribute list for this Function.
+ ///
+ const AttrListPtr &getAttributes() const { return AttributeList; }
+
+ /// setAttributes - Set the attribute list for this Function.
+ ///
+ 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);
+ }
+
+ /// addFnAttr - Add function attributes to this function.
///
- const PAListPtr &getParamAttrs() const { return ParamAttrs; }
+ void addFnAttr(Attributes N) {
+ // Function Attributes are stored at ~0 index
+ addAttribute(~0U, N);
+ }
- /// setParamAttrs - Set the parameter attributes for this Function.
+ /// removeFnAttr - Remove function attributes from this function.
///
- void setParamAttrs(const PAListPtr &attrs) { ParamAttrs = attrs; }
+ void removeFnAttr(Attributes N) {
+ // Function Attributes are stored at ~0 index
+ removeAttribute(~0U, N);
+ }
/// hasGC/getGC/setGC/clearGC - The name of the garbage collection algorithm
/// to use during code generation.
void clearGC();
/// @brief Determine whether the function has the given attribute.
- bool paramHasAttr(unsigned i, ParameterAttributes attr) const {
- return ParamAttrs.paramHasAttr(i, attr);
+ bool paramHasAttr(unsigned i, Attributes attr) const {
+ return AttributeList.paramHasAttr(i, attr);
}
- /// addParamAttr - adds the attribute to the list of attributes.
- void addParamAttr(unsigned i, ParameterAttributes attr);
+ /// addAttribute - adds the attribute to the list of attributes.
+ void addAttribute(unsigned i, Attributes attr);
- /// removeParamAttr - removes the attribute from the list of attributes.
- void removeParamAttr(unsigned i, ParameterAttributes attr);
+ /// removeAttribute - removes the attribute from the list of attributes.
+ void removeAttribute(unsigned i, Attributes attr);
/// @brief Extract the alignment for a call or parameter (0=unknown).
unsigned getParamAlignment(unsigned i) const {
- return ParamAttrs.getParamAlignment(i);
+ return AttributeList.getParamAlignment(i);
}
/// @brief Determine if the function does not access memory.
bool doesNotAccessMemory() const {
- return paramHasAttr(0, ParamAttr::ReadNone);
+ return hasFnAttr(Attribute::ReadNone);
}
void setDoesNotAccessMemory(bool DoesNotAccessMemory = true) {
- if (DoesNotAccessMemory) addParamAttr(0, ParamAttr::ReadNone);
- else removeParamAttr(0, ParamAttr::ReadNone);
+ if (DoesNotAccessMemory) addFnAttr(Attribute::ReadNone);
+ else removeFnAttr(Attribute::ReadNone);
}
/// @brief Determine if the function does not access or only reads memory.
bool onlyReadsMemory() const {
- return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
+ return doesNotAccessMemory() || hasFnAttr(Attribute::ReadOnly);
}
void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
- if (OnlyReadsMemory) addParamAttr(0, ParamAttr::ReadOnly);
- else removeParamAttr(0, ParamAttr::ReadOnly | ParamAttr::ReadNone);
+ if (OnlyReadsMemory) addFnAttr(Attribute::ReadOnly);
+ else removeFnAttr(Attribute::ReadOnly | Attribute::ReadNone);
}
/// @brief Determine if the function cannot return.
bool doesNotReturn() const {
- return paramHasAttr(0, ParamAttr::NoReturn);
+ return hasFnAttr(Attribute::NoReturn);
}
void setDoesNotReturn(bool DoesNotReturn = true) {
- if (DoesNotReturn) addParamAttr(0, ParamAttr::NoReturn);
- else removeParamAttr(0, ParamAttr::NoReturn);
+ if (DoesNotReturn) addFnAttr(Attribute::NoReturn);
+ else removeFnAttr(Attribute::NoReturn);
}
/// @brief Determine if the function cannot unwind.
bool doesNotThrow() const {
- return paramHasAttr(0, ParamAttr::NoUnwind);
+ return hasFnAttr(Attribute::NoUnwind);
}
void setDoesNotThrow(bool DoesNotThrow = true) {
- if (DoesNotThrow) addParamAttr(0, ParamAttr::NoUnwind);
- else removeParamAttr(0, ParamAttr::NoUnwind);
+ if (DoesNotThrow) addFnAttr(Attribute::NoUnwind);
+ else removeFnAttr(Attribute::NoUnwind);
}
/// @brief Determine if the function returns a structure through first
/// pointer argument.
bool hasStructRetAttr() const {
- return paramHasAttr(1, ParamAttr::StructRet);
+ return paramHasAttr(1, Attribute::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);
+ }
+ void setDoesNotAlias(unsigned n, bool DoesNotAlias = true) {
+ if (DoesNotAlias) addAttribute(n, Attribute::NoAlias);
+ else removeAttribute(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);
+ }
+ void setDoesNotCapture(unsigned n, bool DoesNotCapture = true) {
+ if (DoesNotCapture) addAttribute(n, Attribute::NoCapture);
+ else removeAttribute(n, Attribute::NoCapture);
}
/// copyAttributesFrom - copy all additional attributes (those not needed to
/// removeFromParent - This method unlinks 'this' from the containing module,
/// but does not delete it.
///
- void removeFromParent();
+ virtual void removeFromParent();
/// eraseFromParent - This method unlinks 'this' from the containing module
/// and deletes it.
///
- void eraseFromParent();
+ virtual void eraseFromParent();
/// Get the underlying elements of the Function... the basic block list is
CheckLazyArguments();
return ArgumentList;
}
+ static iplist<Argument> Function::*getSublistAccess(Argument*) {
+ return &Function::ArgumentList;
+ }
const BasicBlockListType &getBasicBlockList() const { return BasicBlocks; }
BasicBlockListType &getBasicBlockList() { return BasicBlocks; }
+ static iplist<BasicBlock> Function::*getSublistAccess(BasicBlock*) {
+ return &Function::BasicBlocks;
+ }
const BasicBlock &getEntryBlock() const { return front(); }
BasicBlock &getEntryBlock() { return front(); }
/// including any contained basic blocks.
///
void dropAllReferences();
-
- static unsigned getBasicBlockListOffset() {
- Function *Obj = 0;
- return unsigned(reinterpret_cast<uintptr_t>(&Obj->BasicBlocks));
- }
- static unsigned getArgumentListOffset() {
- Function *Obj = 0;
- return unsigned(reinterpret_cast<uintptr_t>(&Obj->ArgumentList));
- }
};
inline ValueSymbolTable *
return F ? &F->getValueSymbolTable() : 0;
}
-inline int
-ilist_traits<BasicBlock>::getListOffset() {
- return Function::getBasicBlockListOffset();
-}
-
-inline int
-ilist_traits<Argument>::getListOffset() {
- return Function::getArgumentListOffset();
-}
-
-
} // End llvm namespace
#endif