[DTLTO][ELF][COFF][MachO] Add archive support for DTLTO - Addressed review comments from Tobias.

Author: kbelochapka

cross-project-tests/CMakeLists.txt

@@ -20,7 +20,6 @@ set(CROSS_PROJECT_TEST_DEPS
   check-gdb-llvm-support
   count
   llvm-ar
-  llvm-ar
   llvm-config
   llvm-dwarfdump
   llvm-objdump

llvm/include/llvm/DTLTO/Dtlto.h llvm/include/llvm/DTLTO/DTLTO.hllvm/include/llvm/DTLTO/Dtlto.h renamed to llvm/include/llvm/DTLTO/DTLTO.h

@@ -1,4 +1,4 @@
-//===- Dtlto.h - Distributed ThinLTO functions and classes ----*- C++ -*-===//
+//===- DTLTO.h - Distributed ThinLTO functions and classes ----*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

llvm/lib/DTLTO/Dtlto.cpp llvm/lib/DTLTO/DTLTO.cppllvm/lib/DTLTO/Dtlto.cpp renamed to llvm/lib/DTLTO/DTLTO.cpp

@@ -12,7 +12,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/DTLTO/Dtlto.h"
+#include "llvm/DTLTO/DTLTO.h"
 
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"

llvm/lib/LTO/LTO.cpp

@@ -26,7 +26,7 @@
 #include "llvm/CGData/CodeGenData.h"
 #include "llvm/CodeGen/Analysis.h"
 #include "llvm/Config/llvm-config.h"
-#include "llvm/DTLTO/Dtlto.h"
+#include "llvm/DTLTO/DTLTO.h"
 #include "llvm/IR/AutoUpgrade.h"
 #include "llvm/IR/DiagnosticPrinter.h"
 #include "llvm/IR/Intrinsics.h"