[Transforms] Remove extraneous ArrayRef (NFC) (#89535)

We don't need to create these instances of ArrayRef because
ConstantDataVector::get takes ArrayRef, and ArrayRef can be implicitly
constructed from C arrays.

Author: kazutakahirata

llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp

@@ -3201,8 +3201,7 @@ Value *DFSanVisitor::makeAddAcquireOrderingTable(IRBuilder<> &IRB) {
   OrderingTable[(int)AtomicOrderingCABI::seq_cst] =
       (int)AtomicOrderingCABI::seq_cst;
 
-  return ConstantDataVector::get(IRB.getContext(),
-                                 ArrayRef(OrderingTable, NumOrderings));
+  return ConstantDataVector::get(IRB.getContext(), OrderingTable);
 }
 
 void DFSanVisitor::visitLibAtomicLoad(CallBase &CB) {
@@ -3245,8 +3244,7 @@ Value *DFSanVisitor::makeAddReleaseOrderingTable(IRBuilder<> &IRB) {
   OrderingTable[(int)AtomicOrderingCABI::seq_cst] =
       (int)AtomicOrderingCABI::seq_cst;
 
-  return ConstantDataVector::get(IRB.getContext(),
-                                 ArrayRef(OrderingTable, NumOrderings));
+  return ConstantDataVector::get(IRB.getContext(), OrderingTable);
 }
 
 void DFSanVisitor::visitLibAtomicStore(CallBase &CB) {

llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp

@@ -2131,8 +2131,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
     OrderingTable[(int)AtomicOrderingCABI::seq_cst] =
         (int)AtomicOrderingCABI::seq_cst;
 
-    return ConstantDataVector::get(IRB.getContext(),
-                                   ArrayRef(OrderingTable, NumOrderings));
+    return ConstantDataVector::get(IRB.getContext(), OrderingTable);
   }
 
   AtomicOrdering addAcquireOrdering(AtomicOrdering a) {
@@ -2166,8 +2165,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
     OrderingTable[(int)AtomicOrderingCABI::seq_cst] =
         (int)AtomicOrderingCABI::seq_cst;
 
-    return ConstantDataVector::get(IRB.getContext(),
-                                   ArrayRef(OrderingTable, NumOrderings));
+    return ConstantDataVector::get(IRB.getContext(), OrderingTable);
   }
 
   // ------------------- Visitors.