Update to the LLVM 4.0 release branch

patches/clang-0003.patch

@@ -1,48 +0,0 @@
-From 80b3c6d7fd1cd993de4454e869fadbae8a456ac1 Mon Sep 17 00:00:00 2001
-From: Renato Golin <renato.golin@linaro.org>
-Date: Wed, 27 Jul 2016 14:12:20 +0000
-Subject: [PATCH 3/4] [ARM] Pass thumb as architecture to the underlying tools,
- when targeting windows
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This makes sure that the thumb section flag gets set by the assembler.
-
-Patch by Martin Storsjö.
-
-Cherry-picked from SVN trunk commit 276869, git mirror commit
-3f38d952361bac.
----
- lib/Driver/ToolChain.cpp    | 4 +++-
- test/Driver/windows-thumb.s | 2 ++
- 2 files changed, 5 insertions(+), 1 deletion(-)
- create mode 100644 test/Driver/windows-thumb.s
-
-diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
-index e96688c..d586350 100644
---- a/lib/Driver/ToolChain.cpp
-+++ b/lib/Driver/ToolChain.cpp
-@@ -487,8 +487,10 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
-       ArchName = "arm";
- 
-     // Assembly files should start in ARM mode, unless arch is M-profile.
-+    // Windows is always thumb.
-     if ((InputType != types::TY_PP_Asm && Args.hasFlag(options::OPT_mthumb,
--         options::OPT_mno_thumb, ThumbDefault)) || IsMProfile) {
-+         options::OPT_mno_thumb, ThumbDefault)) || IsMProfile ||
-+         getTriple().isOSWindows()) {
-       if (IsBigEndian)
-         ArchName = "thumbeb";
-       else
-diff --git a/test/Driver/windows-thumb.s b/test/Driver/windows-thumb.s
-new file mode 100644
-index 0000000..afe5b2d
---- /dev/null
-+++ b/test/Driver/windows-thumb.s
-@@ -0,0 +1,2 @@
-+; RUN: %clang -target armv7-windows -c -### %s 2>&1 | FileCheck %s
-+; CHECK: "-triple" "thumbv7-
--- 
-2.7.4
-