#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
-#include "llvm/Instructions.h"
#include "llvm/LLVMContext.h"
#include "llvm/Metadata.h"
#include "llvm/ADT/APInt.h"
public:
MDBuilder(LLVMContext &context) : Context(context) {}
- /// CreateString - Return the given string as metadata.
- MDString *CreateString(StringRef Str) {
+ /// \brief Return the given string as metadata.
+ MDString *createString(StringRef Str) {
return MDString::get(Context, Str);
}
+ //===------------------------------------------------------------------===//
+ // FPMath metadata.
+ //===------------------------------------------------------------------===//
+
+ /// \brief Return metadata with the given settings. The special value 0.0
+ /// for the Accuracy parameter indicates the default (maximal precision)
+ /// setting.
+ MDNode *createFPMath(float Accuracy) {
+ if (Accuracy == 0.0)
+ return 0;
+ assert(Accuracy > 0.0 && "Invalid fpmath accuracy!");
+ Value *Op = ConstantFP::get(Type::getFloatTy(Context), Accuracy);
+ return MDNode::get(Context, Op);
+ }
+
+
//===------------------------------------------------------------------===//
// Range metadata.
//===------------------------------------------------------------------===//
- /// CreateRange - Return metadata describing the range [Lo, Hi).
- MDNode *CreateRange(const APInt &Lo, const APInt &Hi) {
+ /// \brief Return metadata describing the range [Lo, Hi).
+ MDNode *createRange(const APInt &Lo, const APInt &Hi) {
assert(Lo.getBitWidth() == Hi.getBitWidth() && "Mismatched bitwidths!");
// If the range is everything then it is useless.
if (Hi == Lo)
return MDNode::get(Context, Range);
}
- /// GetRangeMetadata - Get range metadata attached to an instruction.
- MDNode *GetRangeMetadata(Instruction *I) const {
- return I->getMetadata(LLVMContext::MD_range);
- }
-
- /// SetRangeMetadata - Attach range metadata to an instruction.
- void SetRangeMetadata(Instruction *I, MDNode *RangeTag) {
- I->setMetadata(LLVMContext::MD_range, RangeTag);
- }
-
//===------------------------------------------------------------------===//
// TBAA metadata.
//===------------------------------------------------------------------===//
- /// CreateAnonymousTBAARoot - Return metadata appropriate for a TBAA root
- /// node. Each returned node is distinct from all other metadata and will
- /// never be identified (uniqued) with anything else.
- MDNode *CreateAnonymousTBAARoot() {
+ /// \brief Return metadata appropriate for a TBAA root node. Each returned
+ /// node is distinct from all other metadata and will never be identified
+ /// (uniqued) with anything else.
+ MDNode *createAnonymousTBAARoot() {
// To ensure uniqueness the root node is self-referential.
MDNode *Dummy = MDNode::getTemporary(Context, ArrayRef<Value*>());
MDNode *Root = MDNode::get(Context, Dummy);
return Root;
}
- /// CreateTBAARoot - Return metadata appropriate for a TBAA root node with
- /// the given name. This may be identified (uniqued) with other roots with
- /// the same name.
- MDNode *CreateTBAARoot(StringRef Name) {
- return MDNode::get(Context, CreateString(Name));
+ /// \brief Return metadata appropriate for a TBAA root node with the given
+ /// name. This may be identified (uniqued) with other roots with the same
+ /// name.
+ MDNode *createTBAARoot(StringRef Name) {
+ return MDNode::get(Context, createString(Name));
}
- /// CreateTBAANode - Return metadata for a non-root TBAA node with the given
- /// name, parent in the TBAA tree, and value for 'pointsToConstantMemory'.
- MDNode *CreateTBAANode(StringRef Name, MDNode *Parent,
+ /// \brief Return metadata for a non-root TBAA node with the given name,
+ /// parent in the TBAA tree, and value for 'pointsToConstantMemory'.
+ MDNode *createTBAANode(StringRef Name, MDNode *Parent,
bool isConstant = false) {
if (isConstant) {
Constant *Flags = ConstantInt::get(Type::getInt64Ty(Context), 1);
- Value *Ops[3] = { CreateString(Name), Parent, Flags };
+ Value *Ops[3] = { createString(Name), Parent, Flags };
return MDNode::get(Context, Ops);
} else {
- Value *Ops[2] = { CreateString(Name), Parent };
+ Value *Ops[2] = { createString(Name), Parent };
return MDNode::get(Context, Ops);
}
}
- /// GetTBAAMetadata - Get tbaa metadata attached to an instruction.
- MDNode *GetTBAAMetadata(Instruction *I) const {
- return I->getMetadata(LLVMContext::MD_tbaa);
- }
-
- /// SetTBAAMetadata - Attach tbaa metadata to an instruction.
- void SetTBAAMetadata(Instruction *I, MDNode *TBAATag) {
- I->setMetadata(LLVMContext::MD_tbaa, TBAATag);
- }
-
};
} // end namespace llvm