mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-28 22:29:56 +00:00
No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203106 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
//===-- SystemZConstantPoolValue.cpp - SystemZ constant-pool value --------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "SystemZConstantPoolValue.h"
|
|
#include "llvm/ADT/FoldingSet.h"
|
|
#include "llvm/IR/DerivedTypes.h"
|
|
#include "llvm/IR/GlobalValue.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
using namespace llvm;
|
|
|
|
SystemZConstantPoolValue::
|
|
SystemZConstantPoolValue(const GlobalValue *gv,
|
|
SystemZCP::SystemZCPModifier modifier)
|
|
: MachineConstantPoolValue(gv->getType()), GV(gv), Modifier(modifier) {}
|
|
|
|
SystemZConstantPoolValue *
|
|
SystemZConstantPoolValue::Create(const GlobalValue *GV,
|
|
SystemZCP::SystemZCPModifier Modifier) {
|
|
return new SystemZConstantPoolValue(GV, Modifier);
|
|
}
|
|
|
|
unsigned SystemZConstantPoolValue::getRelocationInfo() const {
|
|
switch (Modifier) {
|
|
case SystemZCP::NTPOFF:
|
|
// May require a relocation, but the relocations are always resolved
|
|
// by the static linker.
|
|
return 1;
|
|
}
|
|
llvm_unreachable("Unknown modifier");
|
|
}
|
|
|
|
int SystemZConstantPoolValue::
|
|
getExistingMachineCPValue(MachineConstantPool *CP, unsigned Alignment) {
|
|
unsigned AlignMask = Alignment - 1;
|
|
const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
|
|
for (unsigned I = 0, E = Constants.size(); I != E; ++I) {
|
|
if (Constants[I].isMachineConstantPoolEntry() &&
|
|
(Constants[I].getAlignment() & AlignMask) == 0) {
|
|
auto *ZCPV =
|
|
static_cast<SystemZConstantPoolValue *>(Constants[I].Val.MachineCPVal);
|
|
if (ZCPV->GV == GV && ZCPV->Modifier == Modifier)
|
|
return I;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void SystemZConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
|
|
ID.AddPointer(GV);
|
|
ID.AddInteger(Modifier);
|
|
}
|
|
|
|
void SystemZConstantPoolValue::print(raw_ostream &O) const {
|
|
O << GV << "@" << int(Modifier);
|
|
}
|