return MDNode::get(Context, Vals);
}
+MDNode *MDBuilder::createUnpredictable() {
+ return MDNode::get(Context, None);
+}
+
+MDNode *MDBuilder::createFunctionEntryCount(uint64_t Count) {
+ SmallVector<Metadata *, 2> Vals(2);
+ Vals[0] = createString("function_entry_count");
+
+ Type *Int64Ty = Type::getInt64Ty(Context);
+ Vals[1] = createConstant(ConstantInt::get(Int64Ty, Count));
+
+ return MDNode::get(Context, Vals);
+}
+
MDNode *MDBuilder::createRange(const APInt &Lo, const APInt &Hi) {
assert(Lo.getBitWidth() == Hi.getBitWidth() && "Mismatched bitwidths!");
+
+ Type *Ty = IntegerType::get(Context, Lo.getBitWidth());
+ return createRange(ConstantInt::get(Ty, Lo), ConstantInt::get(Ty, Hi));
+}
+
+MDNode *MDBuilder::createRange(Constant *Lo, Constant *Hi) {
// If the range is everything then it is useless.
if (Hi == Lo)
return nullptr;
// Return the range [Lo, Hi).
- Type *Ty = IntegerType::get(Context, Lo.getBitWidth());
- Metadata *Range[2] = {createConstant(ConstantInt::get(Ty, Lo)),
- createConstant(ConstantInt::get(Ty, Hi))};
+ Metadata *Range[2] = {createConstant(Lo), createConstant(Hi)};
return MDNode::get(Context, Range);
}
MDNode *MDBuilder::createAnonymousAARoot(StringRef Name, MDNode *Extra) {
// To ensure uniqueness the root node is self-referential.
- MDNode *Dummy = MDNode::getTemporary(Context, None);
+ auto Dummy = MDNode::getTemporary(Context, None);
- SmallVector<Metadata *, 3> Args(1, Dummy);
+ SmallVector<Metadata *, 3> Args(1, Dummy.get());
if (Extra)
Args.push_back(Extra);
if (!Name.empty())
// !1 = metadata !{metadata !0} <- root
// Replace the dummy operand with the root node itself and delete the dummy.
Root->replaceOperandWith(0, Root);
- MDNode::deleteTemporary(Dummy);
+
// We now have
// !1 = metadata !{metadata !1} <- self-referential root
return Root;
/// \brief Return metadata for a TBAA tag node with the given
/// base type, access type and offset relative to the base type.
MDNode *MDBuilder::createTBAAStructTagNode(MDNode *BaseType, MDNode *AccessType,
- uint64_t Offset) {
+ uint64_t Offset, bool IsConstant) {
Type *Int64 = Type::getInt64Ty(Context);
- Metadata *Ops[3] = {BaseType, AccessType,
- createConstant(ConstantInt::get(Int64, Offset))};
- return MDNode::get(Context, Ops);
+ if (IsConstant) {
+ Metadata *Ops[4] = {BaseType, AccessType,
+ createConstant(ConstantInt::get(Int64, Offset)),
+ createConstant(ConstantInt::get(Int64, 1))};
+ return MDNode::get(Context, Ops);
+ } else {
+ Metadata *Ops[3] = {BaseType, AccessType,
+ createConstant(ConstantInt::get(Int64, Offset))};
+ return MDNode::get(Context, Ops);
+ }
}