[Modules] Fix potential ODR violations by sinking the DEBUG_TYPE
[oota-llvm.git] / lib / Target / Hexagon / HexagonSelectionDAGInfo.cpp
1 //===-- HexagonSelectionDAGInfo.cpp - Hexagon SelectionDAG Info -----------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the HexagonSelectionDAGInfo class.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "HexagonTargetMachine.h"
15 using namespace llvm;
16
17 #define DEBUG_TYPE "hexagon-selectiondag-info"
18
19 bool llvm::flag_aligned_memcpy;
20
21 HexagonSelectionDAGInfo::HexagonSelectionDAGInfo(const HexagonTargetMachine
22                                                  &TM)
23   : TargetSelectionDAGInfo(TM) {
24 }
25
26 HexagonSelectionDAGInfo::~HexagonSelectionDAGInfo() {
27 }
28
29 SDValue
30 HexagonSelectionDAGInfo::
31 EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl, SDValue Chain,
32                         SDValue Dst, SDValue Src, SDValue Size, unsigned Align,
33                         bool isVolatile, bool AlwaysInline,
34                         MachinePointerInfo DstPtrInfo,
35                         MachinePointerInfo SrcPtrInfo) const {
36   flag_aligned_memcpy = false;
37   if ((Align & 0x3) == 0) {
38     ConstantSDNode *ConstantSize = dyn_cast<ConstantSDNode>(Size);
39     if (ConstantSize) {
40       uint64_t SizeVal = ConstantSize->getZExtValue();
41       if ((SizeVal > 32) && ((SizeVal % 8) == 0))
42         flag_aligned_memcpy = true;
43     }
44   }
45
46   return SDValue();
47 }