From: JF Bastien <jfb@google.com>
Date: Sat, 26 Mar 2016 18:14:27 +0000 (+0000)
Subject: NFC: static_assert instead of comment
X-Git-Tag: llvmorg-3.9.0-rc1~10821
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d4ff3360ae972da790834818b6b63f54037334d4;p=platform%2Fupstream%2Fllvm.git

NFC: static_assert instead of comment

Summary: isPodLike is as close as we have for is_trivially_copyable.

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D18483

llvm-svn: 264515
---

diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index bc99a06..99646d9 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -38,6 +38,7 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/type_traits.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
@@ -757,7 +758,8 @@ static void moveOperands(MachineOperand *Dst, MachineOperand *Src,
   if (MRI)
     return MRI->moveOperands(Dst, Src, NumOps);
 
-  // MachineOperand is a trivially copyable type so we can just use memmove.
+  static_assert(isPodLike<MachineOperand>::value,
+                "must be trivially copyable to memmove");
   std::memmove(Dst, Src, NumOps * sizeof(MachineOperand));
 }