1//===-- VESubtarget.cpp - VE Subtarget Information ------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the VE specific subclass of TargetSubtargetInfo.
10//
11//===----------------------------------------------------------------------===//
12
13#include "VESubtarget.h"
14#include "VESelectionDAGInfo.h"
15#include "llvm/MC/TargetRegistry.h"
16
17using namespace llvm;
18
19#define DEBUG_TYPE "ve-subtarget"
20
21#define GET_SUBTARGETINFO_TARGET_DESC
22#define GET_SUBTARGETINFO_CTOR
23#include "VEGenSubtargetInfo.inc"
24
25void VESubtarget::anchor() {}
26
27VESubtarget &VESubtarget::initializeSubtargetDependencies(StringRef CPU,
28 StringRef FS) {
29 // Default feature settings
30 EnableVPU = false;
31
32 // Determine default and user specified characteristics
33 std::string CPUName = std::string(CPU);
34 if (CPUName.empty())
35 CPUName = "generic";
36
37 // Parse features string.
38 ParseSubtargetFeatures(CPU: CPUName, /*TuneCPU=*/CPU, FS);
39
40 return *this;
41}
42
43VESubtarget::VESubtarget(const Triple &TT, const std::string &CPU,
44 const std::string &FS, const TargetMachine &TM)
45 : VEGenSubtargetInfo(TT, CPU, /*TuneCPU=*/CPU, FS), TargetTriple(TT),
46 InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this),
47 FrameLowering(*this) {
48 TSInfo = std::make_unique<VESelectionDAGInfo>();
49}
50
51VESubtarget::~VESubtarget() = default;
52
53const SelectionDAGTargetInfo *VESubtarget::getSelectionDAGInfo() const {
54 return TSInfo.get();
55}
56
57uint64_t VESubtarget::getAdjustedFrameSize(uint64_t FrameSize) const {
58 // Calculate adjusted frame size by adding the size of RSA frame,
59 // return address, and frame poitner as described in VEFrameLowering.cpp.
60 const VEFrameLowering *TFL = getFrameLowering();
61
62 FrameSize += getRsaSize();
63 FrameSize = alignTo(Size: FrameSize, A: TFL->getStackAlign());
64
65 return FrameSize;
66}
67
68bool VESubtarget::enableMachineScheduler() const { return true; }
69