Simplify creation of a bunch of ArrayRefs by using None, makeArrayRef or just letting them be implicitly created.

llvm-svn: 216525

3 files changed, 8 insertions, 16 deletions

diff --git a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
index be00b695619..8d910b81a2f 100644
--- a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -42,8 +42,7 @@ Value *llvm::EmitStrLen(Value *Ptr, IRBuilder<> &B, const DataLayout *TD,
   AttributeSet AS[2];
   AS[0] = AttributeSet::get(M->getContext(), 1, Attribute::NoCapture);
   Attribute::AttrKind AVs[2] = { Attribute::ReadOnly, Attribute::NoUnwind };
-  AS[1] = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex,
-                            ArrayRef<Attribute::AttrKind>(AVs, 2));
+  AS[1] = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex, AVs);
 
   LLVMContext &Context = B.GetInsertBlock()->getContext();
   Constant *StrLen = M->getOrInsertFunction("strlen",
@@ -71,8 +70,7 @@ Value *llvm::EmitStrNLen(Value *Ptr, Value *MaxLen, IRBuilder<> &B,
   AttributeSet AS[2];
   AS[0] = AttributeSet::get(M->getContext(), 1, Attribute::NoCapture);
   Attribute::AttrKind AVs[2] = { Attribute::ReadOnly, Attribute::NoUnwind };
-  AS[1] = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex,
-                            ArrayRef<Attribute::AttrKind>(AVs, 2));
+  AS[1] = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex, AVs);
 
   LLVMContext &Context = B.GetInsertBlock()->getContext();
   Constant *StrNLen = M->getOrInsertFunction("strnlen",
@@ -100,8 +98,7 @@ Value *llvm::EmitStrChr(Value *Ptr, char C, IRBuilder<> &B,
   Module *M = B.GetInsertBlock()->getParent()->getParent();
   Attribute::AttrKind AVs[2] = { Attribute::ReadOnly, Attribute::NoUnwind };
   AttributeSet AS =
-    AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex,
-                      ArrayRef<Attribute::AttrKind>(AVs, 2));
+    AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex, AVs);
 
   Type *I8Ptr = B.getInt8PtrTy();
   Type *I32Ty = B.getInt32Ty();
@@ -128,8 +125,7 @@ Value *llvm::EmitStrNCmp(Value *Ptr1, Value *Ptr2, Value *Len,
   AS[0] = AttributeSet::get(M->getContext(), 1, Attribute::NoCapture);
   AS[1] = AttributeSet::get(M->getContext(), 2, Attribute::NoCapture);
   Attribute::AttrKind AVs[2] = { Attribute::ReadOnly, Attribute::NoUnwind };
-  AS[2] = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex,
-                            ArrayRef<Attribute::AttrKind>(AVs, 2));
+  AS[2] = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex, AVs);
 
   LLVMContext &Context = B.GetInsertBlock()->getContext();
   Value *StrNCmp = M->getOrInsertFunction("strncmp",
@@ -238,8 +234,7 @@ Value *llvm::EmitMemChr(Value *Ptr, Value *Val,
   Module *M = B.GetInsertBlock()->getParent()->getParent();
   AttributeSet AS;
   Attribute::AttrKind AVs[2] = { Attribute::ReadOnly, Attribute::NoUnwind };
-  AS = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex,
-                         ArrayRef<Attribute::AttrKind>(AVs, 2));
+  AS = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex, AVs);
   LLVMContext &Context = B.GetInsertBlock()->getContext();
   Value *MemChr = M->getOrInsertFunction("memchr",
                                          AttributeSet::get(M->getContext(), AS),
@@ -268,8 +263,7 @@ Value *llvm::EmitMemCmp(Value *Ptr1, Value *Ptr2,
   AS[0] = AttributeSet::get(M->getContext(), 1, Attribute::NoCapture);
   AS[1] = AttributeSet::get(M->getContext(), 2, Attribute::NoCapture);
   Attribute::AttrKind AVs[2] = { Attribute::ReadOnly, Attribute::NoUnwind };
-  AS[2] = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex,
-                            ArrayRef<Attribute::AttrKind>(AVs, 2));
+  AS[2] = AttributeSet::get(M->getContext(), AttributeSet::FunctionIndex, AVs);
 
   LLVMContext &Context = B.GetInsertBlock()->getContext();
   Value *MemCmp = M->getOrInsertFunction("memcmp",
diff --git a/llvm/lib/Transforms/Utils/InlineFunction.cpp b/llvm/lib/Transforms/Utils/InlineFunction.cpp
index be81a768114..19a35d68cff 100644
--- a/llvm/lib/Transforms/Utils/InlineFunction.cpp
+++ b/llvm/lib/Transforms/Utils/InlineFunction.cpp
@@ -317,8 +317,7 @@ static void CloneAliasScopeMetadata(CallSite CS, ValueToValueMapTy &VMap) {
   DenseMap<const MDNode *, TrackingVH<MDNode> > MDMap;
   for (SetVector<const MDNode *>::iterator I = MD.begin(), IE = MD.end();
        I != IE; ++I) {
-    MDNode *Dummy = MDNode::getTemporary(CalledFunc->getContext(),
-                                         ArrayRef<Value*>());
+    MDNode *Dummy = MDNode::getTemporary(CalledFunc->getContext(), None);
     DummyNodes.push_back(Dummy);
     MDMap[*I] = Dummy;
   }
diff --git a/llvm/lib/Transforms/Utils/LoopSimplify.cpp b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
index c31464a372f..2decaa18799 100644
--- a/llvm/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
@@ -173,8 +173,7 @@ static BasicBlock *rewriteLoopExitBlock(Loop *L, BasicBlock *Exit, Pass *PP) {
 
   if (Exit->isLandingPad()) {
     SmallVector<BasicBlock*, 2> NewBBs;
-    SplitLandingPadPredecessors(Exit, ArrayRef<BasicBlock*>(&LoopBlocks[0],
-                                                            LoopBlocks.size()),
+    SplitLandingPadPredecessors(Exit, LoopBlocks,
                                 ".loopexit", ".nonloopexit",
                                 PP, NewBBs);
     NewExitBB = NewBBs[0];