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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
This commit is contained in:
JF Bastien 2016-03-26 18:14:27 +00:00
parent 6462d8c1d9
commit d4ff3360ae
1 changed files with 3 additions and 1 deletions
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4
llvm/lib/CodeGen/MachineInstr.cpp
View File

@ -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));
}