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c04d9d57ee
... to clarify ownership, aligning with other parameters. Using `std::unique_ptr` encourages users to manage `createMCInstPrinter` with a unique_ptr instead of a raw pointer, reducing the risk of memory leaks. * llvm-mc: fix a leak and update llvm/test/tools/llvm-mc/disassembler-options.test * #121078 copied the llvm-mc code to CodeGenTargetMachineImpl and made the same mistake. Fixed by 2b8cc651dca0c000ee18ec79bd5de4826156c9d6 Using unique_ptr requires #include MCInstPrinter.h in a few translation units. * Delete a createAsmStreamer overload I deprecated in 2024 * SystemZMCTargetDesc.cpp: rename to `createSystemZAsmStreamer` to fix an overload conflict. Pull Request: https://github.com/llvm/llvm-project/pull/135128
275 lines
11 KiB
C++
275 lines
11 KiB
C++
//===-- SystemZMCTargetDesc.cpp - SystemZ target descriptions -------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "SystemZMCTargetDesc.h"
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#include "SystemZGNUInstPrinter.h"
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#include "SystemZHLASMAsmStreamer.h"
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#include "SystemZHLASMInstPrinter.h"
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#include "SystemZMCAsmInfo.h"
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#include "SystemZTargetStreamer.h"
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#include "TargetInfo/SystemZTargetInfo.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCDwarf.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCInstrAnalysis.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/MC/TargetRegistry.h"
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#include "llvm/Support/CommandLine.h"
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using namespace llvm;
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#define GET_INSTRINFO_MC_DESC
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#define ENABLE_INSTR_PREDICATE_VERIFIER
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#include "SystemZGenInstrInfo.inc"
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#define GET_SUBTARGETINFO_MC_DESC
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#include "SystemZGenSubtargetInfo.inc"
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#define GET_REGINFO_MC_DESC
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#include "SystemZGenRegisterInfo.inc"
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// Temporary option to assist with the migration to a new HLASMAsmStreamer on
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// z/OS
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static cl::opt<bool> GNUAsOnzOSCL("emit-gnuas-syntax-on-zos",
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cl::desc("Emit GNU Assembly Syntax on z/OS."),
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cl::init(true));
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const unsigned SystemZMC::GR32Regs[16] = {
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SystemZ::R0L, SystemZ::R1L, SystemZ::R2L, SystemZ::R3L,
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SystemZ::R4L, SystemZ::R5L, SystemZ::R6L, SystemZ::R7L,
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SystemZ::R8L, SystemZ::R9L, SystemZ::R10L, SystemZ::R11L,
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SystemZ::R12L, SystemZ::R13L, SystemZ::R14L, SystemZ::R15L};
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const unsigned SystemZMC::GRH32Regs[16] = {
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SystemZ::R0H, SystemZ::R1H, SystemZ::R2H, SystemZ::R3H,
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SystemZ::R4H, SystemZ::R5H, SystemZ::R6H, SystemZ::R7H,
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SystemZ::R8H, SystemZ::R9H, SystemZ::R10H, SystemZ::R11H,
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SystemZ::R12H, SystemZ::R13H, SystemZ::R14H, SystemZ::R15H};
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const unsigned SystemZMC::GR64Regs[16] = {
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SystemZ::R0D, SystemZ::R1D, SystemZ::R2D, SystemZ::R3D,
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SystemZ::R4D, SystemZ::R5D, SystemZ::R6D, SystemZ::R7D,
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SystemZ::R8D, SystemZ::R9D, SystemZ::R10D, SystemZ::R11D,
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SystemZ::R12D, SystemZ::R13D, SystemZ::R14D, SystemZ::R15D};
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const unsigned SystemZMC::GR128Regs[16] = {
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SystemZ::R0Q, 0, SystemZ::R2Q, 0, SystemZ::R4Q, 0, SystemZ::R6Q, 0,
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SystemZ::R8Q, 0, SystemZ::R10Q, 0, SystemZ::R12Q, 0, SystemZ::R14Q, 0};
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const unsigned SystemZMC::FP32Regs[16] = {
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SystemZ::F0S, SystemZ::F1S, SystemZ::F2S, SystemZ::F3S,
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SystemZ::F4S, SystemZ::F5S, SystemZ::F6S, SystemZ::F7S,
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SystemZ::F8S, SystemZ::F9S, SystemZ::F10S, SystemZ::F11S,
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SystemZ::F12S, SystemZ::F13S, SystemZ::F14S, SystemZ::F15S};
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const unsigned SystemZMC::FP64Regs[16] = {
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SystemZ::F0D, SystemZ::F1D, SystemZ::F2D, SystemZ::F3D,
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SystemZ::F4D, SystemZ::F5D, SystemZ::F6D, SystemZ::F7D,
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SystemZ::F8D, SystemZ::F9D, SystemZ::F10D, SystemZ::F11D,
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SystemZ::F12D, SystemZ::F13D, SystemZ::F14D, SystemZ::F15D};
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const unsigned SystemZMC::FP128Regs[16] = {
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SystemZ::F0Q, SystemZ::F1Q, 0, 0, SystemZ::F4Q, SystemZ::F5Q, 0, 0,
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SystemZ::F8Q, SystemZ::F9Q, 0, 0, SystemZ::F12Q, SystemZ::F13Q, 0, 0};
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const unsigned SystemZMC::VR32Regs[32] = {
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SystemZ::F0S, SystemZ::F1S, SystemZ::F2S, SystemZ::F3S, SystemZ::F4S,
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SystemZ::F5S, SystemZ::F6S, SystemZ::F7S, SystemZ::F8S, SystemZ::F9S,
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SystemZ::F10S, SystemZ::F11S, SystemZ::F12S, SystemZ::F13S, SystemZ::F14S,
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SystemZ::F15S, SystemZ::F16S, SystemZ::F17S, SystemZ::F18S, SystemZ::F19S,
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SystemZ::F20S, SystemZ::F21S, SystemZ::F22S, SystemZ::F23S, SystemZ::F24S,
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SystemZ::F25S, SystemZ::F26S, SystemZ::F27S, SystemZ::F28S, SystemZ::F29S,
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SystemZ::F30S, SystemZ::F31S};
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const unsigned SystemZMC::VR64Regs[32] = {
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SystemZ::F0D, SystemZ::F1D, SystemZ::F2D, SystemZ::F3D, SystemZ::F4D,
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SystemZ::F5D, SystemZ::F6D, SystemZ::F7D, SystemZ::F8D, SystemZ::F9D,
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SystemZ::F10D, SystemZ::F11D, SystemZ::F12D, SystemZ::F13D, SystemZ::F14D,
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SystemZ::F15D, SystemZ::F16D, SystemZ::F17D, SystemZ::F18D, SystemZ::F19D,
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SystemZ::F20D, SystemZ::F21D, SystemZ::F22D, SystemZ::F23D, SystemZ::F24D,
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SystemZ::F25D, SystemZ::F26D, SystemZ::F27D, SystemZ::F28D, SystemZ::F29D,
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SystemZ::F30D, SystemZ::F31D};
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const unsigned SystemZMC::VR128Regs[32] = {
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SystemZ::V0, SystemZ::V1, SystemZ::V2, SystemZ::V3, SystemZ::V4,
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SystemZ::V5, SystemZ::V6, SystemZ::V7, SystemZ::V8, SystemZ::V9,
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SystemZ::V10, SystemZ::V11, SystemZ::V12, SystemZ::V13, SystemZ::V14,
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SystemZ::V15, SystemZ::V16, SystemZ::V17, SystemZ::V18, SystemZ::V19,
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SystemZ::V20, SystemZ::V21, SystemZ::V22, SystemZ::V23, SystemZ::V24,
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SystemZ::V25, SystemZ::V26, SystemZ::V27, SystemZ::V28, SystemZ::V29,
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SystemZ::V30, SystemZ::V31};
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const unsigned SystemZMC::AR32Regs[16] = {
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SystemZ::A0, SystemZ::A1, SystemZ::A2, SystemZ::A3,
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SystemZ::A4, SystemZ::A5, SystemZ::A6, SystemZ::A7,
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SystemZ::A8, SystemZ::A9, SystemZ::A10, SystemZ::A11,
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SystemZ::A12, SystemZ::A13, SystemZ::A14, SystemZ::A15};
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const unsigned SystemZMC::CR64Regs[16] = {
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SystemZ::C0, SystemZ::C1, SystemZ::C2, SystemZ::C3,
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SystemZ::C4, SystemZ::C5, SystemZ::C6, SystemZ::C7,
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SystemZ::C8, SystemZ::C9, SystemZ::C10, SystemZ::C11,
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SystemZ::C12, SystemZ::C13, SystemZ::C14, SystemZ::C15};
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unsigned SystemZMC::getFirstReg(unsigned Reg) {
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static unsigned Map[SystemZ::NUM_TARGET_REGS];
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static bool Initialized = false;
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if (!Initialized) {
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for (unsigned I = 0; I < 16; ++I) {
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Map[GR32Regs[I]] = I;
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Map[GRH32Regs[I]] = I;
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Map[GR64Regs[I]] = I;
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Map[GR128Regs[I]] = I;
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Map[FP128Regs[I]] = I;
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Map[AR32Regs[I]] = I;
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}
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for (unsigned I = 0; I < 32; ++I) {
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Map[VR32Regs[I]] = I;
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Map[VR64Regs[I]] = I;
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Map[VR128Regs[I]] = I;
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}
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}
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assert(Reg < SystemZ::NUM_TARGET_REGS);
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return Map[Reg];
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}
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static MCAsmInfo *createSystemZMCAsmInfo(const MCRegisterInfo &MRI,
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const Triple &TT,
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const MCTargetOptions &Options) {
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if (TT.isOSzOS())
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return new SystemZMCAsmInfoGOFF(TT);
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MCAsmInfo *MAI = new SystemZMCAsmInfoELF(TT);
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MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(
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nullptr, MRI.getDwarfRegNum(SystemZ::R15D, true),
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SystemZMC::ELFCFAOffsetFromInitialSP);
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MAI->addInitialFrameState(Inst);
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return MAI;
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}
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static MCInstrInfo *createSystemZMCInstrInfo() {
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MCInstrInfo *X = new MCInstrInfo();
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InitSystemZMCInstrInfo(X);
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return X;
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}
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static MCRegisterInfo *createSystemZMCRegisterInfo(const Triple &TT) {
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MCRegisterInfo *X = new MCRegisterInfo();
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InitSystemZMCRegisterInfo(X, SystemZ::R14D);
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return X;
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}
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static MCSubtargetInfo *
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createSystemZMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
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return createSystemZMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
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}
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static MCInstPrinter *createSystemZMCInstPrinter(const Triple &T,
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unsigned SyntaxVariant,
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const MCAsmInfo &MAI,
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const MCInstrInfo &MII,
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const MCRegisterInfo &MRI) {
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if (SyntaxVariant == AD_HLASM)
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return new SystemZHLASMInstPrinter(MAI, MII, MRI);
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return new SystemZGNUInstPrinter(MAI, MII, MRI);
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}
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static MCTargetStreamer *createAsmTargetStreamer(MCStreamer &S,
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formatted_raw_ostream &OS,
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MCInstPrinter *InstPrint) {
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if (S.getContext().getTargetTriple().isOSzOS())
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return new SystemZTargetHLASMStreamer(S, OS);
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else
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return new SystemZTargetGNUStreamer(S, OS);
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}
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static MCStreamer *createSystemZAsmStreamer(
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MCContext &Ctx, std::unique_ptr<formatted_raw_ostream> OS,
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std::unique_ptr<MCInstPrinter> IP, std::unique_ptr<MCCodeEmitter> CE,
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std::unique_ptr<MCAsmBackend> TAB) {
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auto TT = Ctx.getTargetTriple();
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if (TT.isOSzOS() && !GNUAsOnzOSCL)
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return new SystemZHLASMAsmStreamer(Ctx, std::move(OS), std::move(IP),
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std::move(CE), std::move(TAB));
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return llvm::createAsmStreamer(Ctx, std::move(OS), std::move(IP),
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std::move(CE), std::move(TAB));
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}
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static MCTargetStreamer *
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createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
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if (S.getContext().getTargetTriple().isOSzOS())
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return new SystemZTargetGOFFStreamer(S);
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else
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return new SystemZTargetELFStreamer(S);
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}
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static MCTargetStreamer *
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createNullTargetStreamer(MCStreamer &S) {
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return new SystemZTargetStreamer(S);
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}
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static MCInstrAnalysis *createSystemZMCInstrAnalysis(const MCInstrInfo *Info) {
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return new MCInstrAnalysis(Info);
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}
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extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeSystemZTargetMC() {
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// Register the MCAsmInfo.
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TargetRegistry::RegisterMCAsmInfo(getTheSystemZTarget(),
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createSystemZMCAsmInfo);
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// Register the MCCodeEmitter.
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TargetRegistry::RegisterMCCodeEmitter(getTheSystemZTarget(),
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createSystemZMCCodeEmitter);
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// Register the MCInstrInfo.
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TargetRegistry::RegisterMCInstrInfo(getTheSystemZTarget(),
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createSystemZMCInstrInfo);
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// Register the MCRegisterInfo.
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TargetRegistry::RegisterMCRegInfo(getTheSystemZTarget(),
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createSystemZMCRegisterInfo);
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// Register the MCSubtargetInfo.
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TargetRegistry::RegisterMCSubtargetInfo(getTheSystemZTarget(),
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createSystemZMCSubtargetInfo);
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// Register the MCAsmBackend.
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TargetRegistry::RegisterMCAsmBackend(getTheSystemZTarget(),
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createSystemZMCAsmBackend);
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// Register the MCInstPrinter.
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TargetRegistry::RegisterMCInstPrinter(getTheSystemZTarget(),
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createSystemZMCInstPrinter);
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// Register the asm streamer.
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TargetRegistry::RegisterAsmStreamer(getTheSystemZTarget(),
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createSystemZAsmStreamer);
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// Register the asm target streamer.
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TargetRegistry::RegisterAsmTargetStreamer(getTheSystemZTarget(),
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createAsmTargetStreamer);
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// Register the obj streamer
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TargetRegistry::RegisterObjectTargetStreamer(getTheSystemZTarget(),
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createObjectTargetStreamer);
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// Register the null streamer
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TargetRegistry::RegisterNullTargetStreamer(getTheSystemZTarget(),
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createNullTargetStreamer);
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// Register the MCInstrAnalysis.
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TargetRegistry::RegisterMCInstrAnalysis(getTheSystemZTarget(),
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createSystemZMCInstrAnalysis);
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}
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