From 152289ce167152a3a66791a4754674fec5234595 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Sun, 27 Jan 2013 12:50:02 +0000
Subject: [PATCH] In the AttributeSetImpl c'tor, fill in the AttrNodes data
 structure with the attributes being passed in.

llvm-svn: 173618
---
 llvm/lib/IR/AttributeImpl.h |  6 ++----
 llvm/lib/IR/Attributes.cpp  | 44 ++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 42 insertions(+), 8 deletions(-)

diff --git a/llvm/lib/IR/AttributeImpl.h b/llvm/lib/IR/AttributeImpl.h
index d7ebec5..b4c788f 100644
--- a/llvm/lib/IR/AttributeImpl.h
+++ b/llvm/lib/IR/AttributeImpl.h
@@ -115,11 +115,9 @@ class AttributeSetImpl : public FoldingSetNode {
   void operator=(const AttributeSetImpl &) LLVM_DELETED_FUNCTION;
   AttributeSetImpl(const AttributeSetImpl &) LLVM_DELETED_FUNCTION;
 public:
-  AttributeSetImpl(LLVMContext &C, ArrayRef<AttributeWithIndex> attrs)
-    : Context(C), AttrList(attrs.begin(), attrs.end()) {}
+  AttributeSetImpl(LLVMContext &C, ArrayRef<AttributeWithIndex> attrs);
   AttributeSetImpl(LLVMContext &C,
-                   ArrayRef<std::pair<uint64_t, AttributeSetNode*> > attrs)
-    : Context(C), AttrNodes(attrs.begin(), attrs.end()) {}
+                   ArrayRef<std::pair<uint64_t, AttributeSetNode*> > attrs);
 
   LLVMContext &getContext() { return Context; }
   ArrayRef<AttributeWithIndex> getAttributes() const { return AttrList; }
diff --git a/llvm/lib/IR/Attributes.cpp b/llvm/lib/IR/Attributes.cpp
index 8ec192b..780da00 100644
--- a/llvm/lib/IR/Attributes.cpp
+++ b/llvm/lib/IR/Attributes.cpp
@@ -525,6 +525,46 @@ AttributeSetNode *AttributeSetNode::get(LLVMContext &C,
 // AttributeSetImpl Definition
 //===----------------------------------------------------------------------===//
 
+AttributeSetImpl::
+AttributeSetImpl(LLVMContext &C,
+                 ArrayRef<AttributeWithIndex> attrs)
+  : Context(C), AttrList(attrs.begin(), attrs.end()) {
+  for (unsigned I = 0, E = attrs.size(); I != E; ++I) {
+    const AttributeWithIndex &AWI = attrs[I];
+    uint64_t Mask = AWI.Attrs.Raw();
+    SmallVector<Attribute, 8> Attrs;
+
+    for (Attribute::AttrKind II = Attribute::None;
+         II != Attribute::EndAttrKinds; II = Attribute::AttrKind(II + 1)) {
+      if (uint64_t A = (Mask & AttributeImpl::getAttrMask(II))) {
+        AttrBuilder B;
+
+        if (II == Attribute::Alignment)
+          B.addAlignmentAttr(1ULL << ((A >> 16) - 1));
+        else if (II == Attribute::StackAlignment)
+          B.addStackAlignmentAttr(1ULL << ((A >> 26) - 1));
+        else
+          B.addAttribute(II);
+
+        Attrs.push_back(Attribute::get(C, B));
+      }
+    }
+
+    AttrNodes.push_back(std::make_pair(AWI.Index,
+                                       AttributeSetNode::get(C, Attrs)));
+  }
+}
+
+AttributeSetImpl::
+AttributeSetImpl(LLVMContext &C,
+                 ArrayRef<std::pair<uint64_t, AttributeSetNode*> > attrs)
+  : Context(C), AttrNodes(attrs.begin(), attrs.end()) {
+}
+
+//===----------------------------------------------------------------------===//
+// AttributeSet Method Implementations
+//===----------------------------------------------------------------------===//
+
 AttributeSet AttributeSet::getParamAttributes(unsigned Idx) const {
   // FIXME: Remove.
   return AttrList && hasAttributes(Idx) ?
@@ -616,10 +656,6 @@ AttributeSet AttributeSet::get(LLVMContext &C, ArrayRef<AttributeSet> Attrs) {
   return get(C, AttrList);
 }
 
-//===----------------------------------------------------------------------===//
-// AttributeSet Method Implementations
-//===----------------------------------------------------------------------===//
-
 const AttributeSet &AttributeSet::operator=(const AttributeSet &RHS) {
   AttrList = RHS.AttrList;
   return *this;
-- 
2.7.4