1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
//===-- PPCMachineFunctionInfo.cpp - Private data used for PowerPC --------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "PPCMachineFunctionInfo.h"
#include "llvm/ADT/Twine.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/MC/MCContext.h"
using namespace llvm;
void PPCFunctionInfo::anchor() {}
MCSymbol *PPCFunctionInfo::getPICOffsetSymbol() const {
const DataLayout &DL = MF.getDataLayout();
return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
Twine(MF.getFunctionNumber()) +
"$poff");
}
MCSymbol *PPCFunctionInfo::getGlobalEPSymbol() const {
const DataLayout &DL = MF.getDataLayout();
return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
"func_gep" +
Twine(MF.getFunctionNumber()));
}
MCSymbol *PPCFunctionInfo::getLocalEPSymbol() const {
const DataLayout &DL = MF.getDataLayout();
return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
"func_lep" +
Twine(MF.getFunctionNumber()));
}
MCSymbol *PPCFunctionInfo::getTOCOffsetSymbol() const {
const DataLayout &DL = MF.getDataLayout();
return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
"func_toc" +
Twine(MF.getFunctionNumber()));
}
bool PPCFunctionInfo::isLiveInSExt(unsigned VReg) const {
for (const std::pair<unsigned, ISD::ArgFlagsTy> &LiveIn : LiveInAttrs)
if (LiveIn.first == VReg)
return LiveIn.second.isSExt();
return false;
}
bool PPCFunctionInfo::isLiveInZExt(unsigned VReg) const {
for (const std::pair<unsigned, ISD::ArgFlagsTy> &LiveIn : LiveInAttrs)
if (LiveIn.first == VReg)
return LiveIn.second.isZExt();
return false;
}
|
