Rough out a new c'tor for the AttrBuilder class.
This c'tor takes the AttributeSet class as the parameter. It will eventually
grab the attributes from the specified index and create a new attribute builder
with those attributes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171712 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/Attributes.cpp b/lib/IR/Attributes.cpp
index 117b510..bef7a6c 100644
--- a/lib/IR/Attributes.cpp
+++ b/lib/IR/Attributes.cpp
@@ -241,6 +241,26 @@
// AttrBuilder Method Implementations
//===----------------------------------------------------------------------===//
+AttrBuilder::AttrBuilder(AttributeSet AS, unsigned Idx)
+ : Alignment(0), StackAlignment(0) {
+ AttributeSetImpl *pImpl = AS.AttrList;
+ if (!pImpl) return;
+
+ ArrayRef<AttributeWithIndex> AttrList = pImpl->getAttributes();
+ const AttributeWithIndex *AWI = 0;
+ for (unsigned I = 0, E = AttrList.size(); I != E; ++I)
+ if (AttrList[I].Index == Idx) {
+ AWI = &AttrList[I];
+ break;
+ }
+
+ assert(AWI && "Cannot find index in attribute set!");
+
+ /// FIXME: This will be modified in the future. Basically, the
+ /// AttributeWithIndex class will contain the
+
+}
+
void AttrBuilder::clear() {
Attrs.clear();
Alignment = StackAlignment = 0;