llvm-6502/lib/Target/ARM/ARMSelectionDAGInfo.h
Benjamin Kramer 00e08fcaa0 Canonicalize header guards into a common format.
Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215558 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-13 16:26:38 +00:00

63 lines
2.3 KiB
C++

//===-- ARMSelectionDAGInfo.h - ARM SelectionDAG Info -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the ARM subclass for TargetSelectionDAGInfo.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_ARM_ARMSELECTIONDAGINFO_H
#define LLVM_LIB_TARGET_ARM_ARMSELECTIONDAGINFO_H
#include "MCTargetDesc/ARMAddressingModes.h"
#include "llvm/Target/TargetSelectionDAGInfo.h"
namespace llvm {
namespace ARM_AM {
static inline ShiftOpc getShiftOpcForNode(unsigned Opcode) {
switch (Opcode) {
default: return ARM_AM::no_shift;
case ISD::SHL: return ARM_AM::lsl;
case ISD::SRL: return ARM_AM::lsr;
case ISD::SRA: return ARM_AM::asr;
case ISD::ROTR: return ARM_AM::ror;
//case ISD::ROTL: // Only if imm -> turn into ROTR.
// Can't handle RRX here, because it would require folding a flag into
// the addressing mode. :( This causes us to miss certain things.
//case ARMISD::RRX: return ARM_AM::rrx;
}
}
} // end namespace ARM_AM
class ARMSelectionDAGInfo : public TargetSelectionDAGInfo {
public:
explicit ARMSelectionDAGInfo(const DataLayout &DL);
~ARMSelectionDAGInfo();
SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl,
SDValue Chain,
SDValue Dst, SDValue Src,
SDValue Size, unsigned Align,
bool isVolatile, bool AlwaysInline,
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo) const override;
// Adjust parameters for memset, see RTABI section 4.3.4
SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc dl,
SDValue Chain,
SDValue Op1, SDValue Op2,
SDValue Op3, unsigned Align,
bool isVolatile,
MachinePointerInfo DstPtrInfo) const override;
};
}
#endif