Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/lib/Target/ARC/MCTargetDesc/ARCInfo.h

@@ -0,0 +1,57 @@
+//===- ARCInfo.h - Additional ARC 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 contains small standalone helper functions and enum definitions for
+// the ARC target useful for the compiler back-end and the MC libraries.
+// As such, it deliberately does not include references to LLVM core
+// code gen types, passes, etc..
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_ARC_MCTARGETDESC_ARCINFO_H
+#define LLVM_LIB_TARGET_ARC_MCTARGETDESC_ARCINFO_H
+
+namespace llvm {
+
+// Enums corresponding to ARC condition codes
+namespace ARCCC {
+
+enum CondCode {
+  AL = 0x0,
+  EQ = 0x1,
+  NE = 0x2,
+  P = 0x3,
+  N = 0x4,
+  LO = 0x5,
+  HS = 0x6,
+  GT = 0x9,
+  GE = 0xa,
+  LT = 0xb,
+  LE = 0xc,
+  HI = 0xd,
+  LS = 0xe,
+  PNZ = 0xf,
+  Z = 0x11, // Low 4-bits = EQ
+  NZ = 0x12 // Low 4-bits = NE
+};
+
+enum BRCondCode {
+  BREQ = 0x0,
+  BRNE = 0x1,
+  BRLT = 0x2,
+  BRGE = 0x3,
+  BRLO = 0x4,
+  BRHS = 0x5
+};
+
+} // end namespace ARCCC
+
+} // end namespace llvm
+
+#endif

external/llvm/lib/Target/ARC/MCTargetDesc/ARCMCAsmInfo.cpp

@@ -0,0 +1,32 @@
+//===- ARCMCAsmInfo.cpp - ARC asm properties --------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ARCMCAsmInfo.h"
+using namespace llvm;
+
+void ARCMCAsmInfo::anchor() {}
+
+ARCMCAsmInfo::ARCMCAsmInfo(const Triple &TT) {
+  SupportsDebugInformation = true;
+  Data16bitsDirective = "\t.short\t";
+  Data32bitsDirective = "\t.word\t";
+  Data64bitsDirective = nullptr;
+  ZeroDirective = "\t.space\t";
+  CommentString = ";";
+
+  UsesELFSectionDirectiveForBSS = true;
+  AllowAtInName = true;
+  HiddenVisibilityAttr = MCSA_Invalid;
+  HiddenDeclarationVisibilityAttr = MCSA_Invalid;
+  ProtectedVisibilityAttr = MCSA_Invalid;
+
+  // Debug
+  ExceptionsType = ExceptionHandling::DwarfCFI;
+  DwarfRegNumForCFI = true;
+}

external/llvm/lib/Target/ARC/MCTargetDesc/ARCMCAsmInfo.h

@@ -0,0 +1,32 @@
+//===- ARCMCAsmInfo.h - ARC asm properties ----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declaration of the ARCMCAsmInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_ARC_MCTARGETDESC_ARCMCASMINFO_H
+#define LLVM_LIB_TARGET_ARC_MCTARGETDESC_ARCMCASMINFO_H
+
+#include "llvm/MC/MCAsmInfoELF.h"
+
+namespace llvm {
+
+class Triple;
+
+class ARCMCAsmInfo : public MCAsmInfoELF {
+  void anchor() override;
+
+public:
+  explicit ARCMCAsmInfo(const Triple &TT);
+};
+
+} // end namespace llvm
+
+#endif // LLVM_LIB_TARGET_ARC_MCTARGETDESC_ARCMCASMINFO_H

external/llvm/lib/Target/ARC/MCTargetDesc/ARCMCTargetDesc.cpp

@@ -0,0 +1,103 @@
+//===- ARCMCTargetDesc.cpp - ARC Target Descriptions ------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides ARC specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ARCMCTargetDesc.h"
+#include "ARCMCAsmInfo.h"
+#include "ARCTargetStreamer.h"
+#include "InstPrinter/ARCInstPrinter.h"
+#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/TargetRegistry.h"
+
+using namespace llvm;
+
+#define GET_INSTRINFO_MC_DESC
+#include "ARCGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_MC_DESC
+#include "ARCGenSubtargetInfo.inc"
+
+#define GET_REGINFO_MC_DESC
+#include "ARCGenRegisterInfo.inc"
+
+static MCInstrInfo *createARCMCInstrInfo() {
+  auto *X = new MCInstrInfo();
+  InitARCMCInstrInfo(X);
+  return X;
+}
+
+static MCRegisterInfo *createARCMCRegisterInfo(const Triple &TT) {
+  auto *X = new MCRegisterInfo();
+  InitARCMCRegisterInfo(X, ARC::BLINK);
+  return X;
+}
+
+static MCSubtargetInfo *createARCMCSubtargetInfo(const Triple &TT,
+                                                 StringRef CPU, StringRef FS) {
+  return createARCMCSubtargetInfoImpl(TT, CPU, FS);
+}
+
+static MCAsmInfo *createARCMCAsmInfo(const MCRegisterInfo &MRI,
+                                     const Triple &TT) {
+  MCAsmInfo *MAI = new ARCMCAsmInfo(TT);
+
+  // Initial state of the frame pointer is SP.
+  MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, ARC::SP, 0);
+  MAI->addInitialFrameState(Inst);
+
+  return MAI;
+}
+
+static MCInstPrinter *createARCMCInstPrinter(const Triple &T,
+                                             unsigned SyntaxVariant,
+                                             const MCAsmInfo &MAI,
+                                             const MCInstrInfo &MII,
+                                             const MCRegisterInfo &MRI) {
+  return new ARCInstPrinter(MAI, MII, MRI);
+}
+
+ARCTargetStreamer::ARCTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
+ARCTargetStreamer::~ARCTargetStreamer() = default;
+
+static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
+                                                 formatted_raw_ostream &OS,
+                                                 MCInstPrinter *InstPrint,
+                                                 bool isVerboseAsm) {
+  return new ARCTargetStreamer(S);
+}
+
+// Force static initialization.
+extern "C" void LLVMInitializeARCTargetMC() {
+  // Register the MC asm info.
+  Target &TheARCTarget = getTheARCTarget();
+  RegisterMCAsmInfoFn X(TheARCTarget, createARCMCAsmInfo);
+
+  // Register the MC instruction info.
+  TargetRegistry::RegisterMCInstrInfo(TheARCTarget, createARCMCInstrInfo);
+
+  // Register the MC register info.
+  TargetRegistry::RegisterMCRegInfo(TheARCTarget, createARCMCRegisterInfo);
+
+  // Register the MC subtarget info.
+  TargetRegistry::RegisterMCSubtargetInfo(TheARCTarget,
+                                          createARCMCSubtargetInfo);
+
+  // Register the MCInstPrinter
+  TargetRegistry::RegisterMCInstPrinter(TheARCTarget, createARCMCInstPrinter);
+
+  TargetRegistry::RegisterAsmTargetStreamer(TheARCTarget,
+                                            createTargetAsmStreamer);
+}

external/llvm/lib/Target/ARC/MCTargetDesc/ARCMCTargetDesc.h

@@ -0,0 +1,39 @@
+//===- ARCMCTargetDesc.h - ARC Target Descriptions --------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides ARC specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_ARC_MCTARGETDESC_ARCMCTARGETDESC_H
+#define LLVM_LIB_TARGET_ARC_MCTARGETDESC_ARCMCTARGETDESC_H
+
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+
+class Target;
+
+Target &getTheARCTarget();
+
+} // end namespace llvm
+
+// Defines symbolic names for ARC registers.  This defines a mapping from
+// register name to register number.
+#define GET_REGINFO_ENUM
+#include "ARCGenRegisterInfo.inc"
+
+// Defines symbolic names for the ARC instructions.
+#define GET_INSTRINFO_ENUM
+#include "ARCGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_ENUM
+#include "ARCGenSubtargetInfo.inc"
+
+#endif // LLVM_LIB_TARGET_ARC_MCTARGETDESC_ARCMCTARGETDESC_H

external/llvm/lib/Target/ARC/MCTargetDesc/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_llvm_library(LLVMARCDesc
+  ARCMCTargetDesc.cpp
+  ARCMCAsmInfo.cpp
+  )

external/llvm/lib/Target/ARC/MCTargetDesc/LLVMBuild.txt

@@ -0,0 +1,23 @@
+;===- ./lib/Target/ARC/MCTargetDesc/LLVMBuild.txt ------------*- Conf -*--===;
+;
+;                     The LLVM Compiler Infrastructure
+;
+; This file is distributed under the University of Illinois Open Source
+; License. See LICENSE.TXT for details.
+;
+;===------------------------------------------------------------------------===;
+;
+; This is an LLVMBuild description file for the components in this subdirectory.
+;
+; For more information on the LLVMBuild system, please see:
+;
+;   http://llvm.org/docs/LLVMBuild.html
+;
+;===------------------------------------------------------------------------===;
+
+[component_0]
+type = Library
+name = ARCDesc
+parent = ARC
+required_libraries = MC Support ARCAsmPrinter ARCInfo
+add_to_library_groups = ARC