[llvm] r173742 - Convert the AttrBuilder into a list of Attributes instead of one Attribute object that holds all of its attributes.

[Bill Wendling]

Author: void
Date: Mon Jan 28 19:02:03 2013
New Revision: 173742

URL: http://llvm.org/viewvc/llvm-project?rev=173742&view=rev
Log:
Convert the AttrBuilder into a list of Attributes instead of one Attribute object that holds all of its attributes.

Modified:
    llvm/trunk/lib/IR/Attributes.cpp

Modified: llvm/trunk/lib/IR/Attributes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Attributes.cpp?rev=173742&r1=173741&r2=173742&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Attributes.cpp (original)
+++ llvm/trunk/lib/IR/Attributes.cpp Mon Jan 28 19:02:03 2013
@@ -445,8 +445,21 @@ AttributeSet AttributeSet::get(LLVMConte
 AttributeSet AttributeSet::get(LLVMContext &C, unsigned Idx, AttrBuilder &B) {
   if (!B.hasAttributes())
     return AttributeSet();
-  return get(C, ArrayRef<std::pair<unsigned, Attribute> >(
-               std::make_pair(Idx, Attribute::get(C, B))));
+
+  SmallVector<std::pair<unsigned, Attribute>, 8> Attrs;
+  for (AttrBuilder::iterator I = B.begin(), E = B.end(); I != E; ++I) {
+    Attribute::AttrKind Kind = *I;
+    if (Kind == Attribute::Alignment)
+      Attrs.push_back(std::make_pair(Idx, Attribute::
+                                     getWithAlignment(C, B.getAlignment())));
+    else if (Kind == Attribute::StackAlignment)
+      Attrs.push_back(std::make_pair(Idx, Attribute::
+                              getWithStackAlignment(C, B.getStackAlignment())));
+    else
+      Attrs.push_back(std::make_pair(Idx, Attribute::get(C, Kind)));
+  }
+
+  return get(C, Attrs);
 }
 
 AttributeSet AttributeSet::get(LLVMContext &C, unsigned Idx,