From 3165dbffa99ce176df0b3568c21636e2967ebdef Mon Sep 17 00:00:00 2001
From: Patrick Wildt <patrick@cvs.openbsd.org>
Date: Tue, 24 Jan 2017 08:33:38 +0000
Subject: Import LLVM 4.0.0 rc1 including clang and lld to help the current
 development effort on OpenBSD/arm64.

---
 gnu/llvm/tools/lld/ELF/Memory.h  |  4 ++--
 gnu/llvm/tools/lld/ELF/Threads.h | 30 ++++++++++++++++--------------
 2 files changed, 18 insertions(+), 16 deletions(-)

(limited to 'gnu/llvm/tools')

diff --git a/gnu/llvm/tools/lld/ELF/Memory.h b/gnu/llvm/tools/lld/ELF/Memory.h
index 4000f2f9f1c..e5a04ed1e5a 100644
--- a/gnu/llvm/tools/lld/ELF/Memory.h
+++ b/gnu/llvm/tools/lld/ELF/Memory.h
@@ -61,7 +61,7 @@ inline void freeArena() {
     Alloc->reset();
   BAlloc.Reset();
 }
-} // namespace elf
-} // namespace lld
+}
+}
 
 #endif
diff --git a/gnu/llvm/tools/lld/ELF/Threads.h b/gnu/llvm/tools/lld/ELF/Threads.h
index 9feb8683976..c03e15253e1 100644
--- a/gnu/llvm/tools/lld/ELF/Threads.h
+++ b/gnu/llvm/tools/lld/ELF/Threads.h
@@ -15,7 +15,7 @@
 //
 // That said, we don't want to do "too clever" things using threads.
 // Complex multi-threaded algorithms are sometimes extremely hard to
-// reason about and can easily mess up the entire design.
+// justify the correctness and can easily mess up the entire design.
 //
 // Fortunately, when a linker links large programs (when the link time is
 // most critical), it spends most of the time to work on massive number of
@@ -34,7 +34,7 @@
 // instead of std::for_each (or a plain for loop). Because tasks are
 // completely independent from each other, we can run them in parallel
 // without any coordination between them. That's very easy to understand
-// and reason about.
+// and justify.
 //
 // For the cases such as the latter, we can use parallel algorithms to
 // deal with massive data. We have to write code for a tailored algorithm
@@ -61,28 +61,30 @@
 
 #include "Config.h"
 
-#include "llvm/Support/Parallel.h"
+#include "lld/Core/Parallel.h"
+#include <algorithm>
 #include <functional>
 
 namespace lld {
 namespace elf {
 
 template <class IterTy, class FuncTy>
-void parallelForEach(IterTy Begin, IterTy End, FuncTy Fn) {
+void forEach(IterTy Begin, IterTy End, FuncTy Fn) {
   if (Config->Threads)
-    for_each(llvm::parallel::par, Begin, End, Fn);
+    parallel_for_each(Begin, End, Fn);
   else
-    for_each(llvm::parallel::seq, Begin, End, Fn);
+    std::for_each(Begin, End, Fn);
 }
 
-inline void parallelForEachN(size_t Begin, size_t End,
-                             std::function<void(size_t)> Fn) {
-  if (Config->Threads)
-    for_each_n(llvm::parallel::par, Begin, End, Fn);
-  else
-    for_each_n(llvm::parallel::seq, Begin, End, Fn);
+inline void forLoop(size_t Begin, size_t End, std::function<void(size_t)> Fn) {
+  if (Config->Threads) {
+    parallel_for(Begin, End, Fn);
+  } else {
+    for (size_t I = Begin; I < End; ++I)
+      Fn(I);
+  }
+}
+}
 }
-} // namespace elf
-} // namespace lld
 
 #endif
-- 
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