diff options
Diffstat (limited to 'lib/IR/MDBuilder.cpp')
| -rw-r--r-- | lib/IR/MDBuilder.cpp | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/lib/IR/MDBuilder.cpp b/lib/IR/MDBuilder.cpp index 65cdf38..3ec613c 100644 --- a/lib/IR/MDBuilder.cpp +++ b/lib/IR/MDBuilder.cpp @@ -60,10 +60,17 @@ MDNode *MDBuilder::createRange(const APInt &Lo, const APInt &Hi) { return MDNode::get(Context, Range); } -MDNode *MDBuilder::createAnonymousTBAARoot() { +MDNode *MDBuilder::createAnonymousAARoot(StringRef Name, MDNode *Extra) { // To ensure uniqueness the root node is self-referential. - MDNode *Dummy = MDNode::getTemporary(Context, ArrayRef<Value *>()); - MDNode *Root = MDNode::get(Context, Dummy); + MDNode *Dummy = MDNode::getTemporary(Context, None); + + SmallVector<Value *, 3> Args(1, Dummy); + if (Extra) + Args.push_back(Extra); + if (!Name.empty()) + Args.push_back(createString(Name)); + MDNode *Root = MDNode::get(Context, Args); + // At this point we have // !0 = metadata !{} <- dummy // !1 = metadata !{metadata !0} <- root @@ -93,6 +100,15 @@ MDNode *MDBuilder::createTBAANode(StringRef Name, MDNode *Parent, } } +MDNode *MDBuilder::createAliasScopeDomain(StringRef Name) { + return MDNode::get(Context, createString(Name)); +} + +MDNode *MDBuilder::createAliasScope(StringRef Name, MDNode *Domain) { + Value *Ops[2] = { createString(Name), Domain }; + return MDNode::get(Context, Ops); +} + /// \brief Return metadata for a tbaa.struct node with the given /// struct field descriptions. MDNode *MDBuilder::createTBAAStructNode(ArrayRef<TBAAStructField> Fields) { |