vendor/llvm/llvm-release_39-r276489

9 files changed, 298 insertions, 0 deletions

diff --git a/lib/Target/AVR/MCTargetDesc/AVRELFStreamer.cpp b/lib/Target/AVR/MCTargetDesc/AVRELFStreamer.cpp
new file mode 100644
index 0000000000000..481de320b22fe
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/AVRELFStreamer.cpp
@@ -0,0 +1,66 @@
+#include "AVRELFStreamer.h"
+
+#include "llvm/Support/ELF.h"
+#include "llvm/Support/FormattedStream.h"
+
+#include "AVRMCTargetDesc.h"
+
+namespace llvm {
+
+static unsigned getEFlagsForFeatureSet(const FeatureBitset &Features) {
+  unsigned EFlags = 0;
+
+  // Set architecture
+  if (Features[AVR::ELFArchAVR1])
+    EFlags |= ELF::EF_AVR_ARCH_AVR1;
+  else if (Features[AVR::ELFArchAVR2])
+    EFlags |= ELF::EF_AVR_ARCH_AVR2;
+  else if (Features[AVR::ELFArchAVR25])
+    EFlags |= ELF::EF_AVR_ARCH_AVR25;
+  else if (Features[AVR::ELFArchAVR3])
+    EFlags |= ELF::EF_AVR_ARCH_AVR3;
+  else if (Features[AVR::ELFArchAVR31])
+    EFlags |= ELF::EF_AVR_ARCH_AVR31;
+  else if (Features[AVR::ELFArchAVR35])
+    EFlags |= ELF::EF_AVR_ARCH_AVR35;
+  else if (Features[AVR::ELFArchAVR4])
+    EFlags |= ELF::EF_AVR_ARCH_AVR4;
+  else if (Features[AVR::ELFArchAVR5])
+    EFlags |= ELF::EF_AVR_ARCH_AVR5;
+  else if (Features[AVR::ELFArchAVR51])
+    EFlags |= ELF::EF_AVR_ARCH_AVR51;
+  else if (Features[AVR::ELFArchAVR6])
+    EFlags |= ELF::EF_AVR_ARCH_AVR6;
+  else if (Features[AVR::ELFArchAVRTiny])
+    EFlags |= ELF::EF_AVR_ARCH_AVRTINY;
+  else if (Features[AVR::ELFArchXMEGA1])
+    EFlags |= ELF::EF_AVR_ARCH_XMEGA1;
+  else if (Features[AVR::ELFArchXMEGA2])
+    EFlags |= ELF::EF_AVR_ARCH_XMEGA2;
+  else if (Features[AVR::ELFArchXMEGA3])
+    EFlags |= ELF::EF_AVR_ARCH_XMEGA3;
+  else if (Features[AVR::ELFArchXMEGA4])
+    EFlags |= ELF::EF_AVR_ARCH_XMEGA4;
+  else if (Features[AVR::ELFArchXMEGA5])
+    EFlags |= ELF::EF_AVR_ARCH_XMEGA5;
+  else if (Features[AVR::ELFArchXMEGA6])
+    EFlags |= ELF::EF_AVR_ARCH_XMEGA6;
+  else if (Features[AVR::ELFArchXMEGA7])
+    EFlags |= ELF::EF_AVR_ARCH_XMEGA7;
+
+  return EFlags;
+}
+
+AVRELFStreamer::AVRELFStreamer(MCStreamer &S,
+                               const MCSubtargetInfo &STI)
+    : AVRTargetStreamer(S) {
+
+  MCAssembler &MCA = getStreamer().getAssembler();
+  unsigned EFlags = MCA.getELFHeaderEFlags();
+
+  EFlags |= getEFlagsForFeatureSet(STI.getFeatureBits());
+
+  MCA.setELFHeaderEFlags(EFlags);
+}
+
+} // end namespace llvm
diff --git a/lib/Target/AVR/MCTargetDesc/AVRELFStreamer.h b/lib/Target/AVR/MCTargetDesc/AVRELFStreamer.h
new file mode 100644
index 0000000000000..e5df6cc34e402
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/AVRELFStreamer.h
@@ -0,0 +1,29 @@
+//===----- AVRELFStreamer.h - AVR Target Streamer --------------*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_AVR_ELF_STREAMER_H
+#define LLVM_AVR_ELF_STREAMER_H
+
+#include "AVRTargetStreamer.h"
+
+namespace llvm {
+
+/// A target streamer for an AVR ELF object file.
+class AVRELFStreamer : public AVRTargetStreamer {
+public:
+  AVRELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
+
+  MCELFStreamer &getStreamer() {
+    return static_cast<MCELFStreamer &>(Streamer);
+  }
+};
+
+} // end namespace llvm
+
+#endif
diff --git a/lib/Target/AVR/MCTargetDesc/AVRMCAsmInfo.cpp b/lib/Target/AVR/MCTargetDesc/AVRMCAsmInfo.cpp
new file mode 100644
index 0000000000000..cca3bcc4968ab
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/AVRMCAsmInfo.cpp
@@ -0,0 +1,28 @@
+//===-- AVRMCAsmInfo.cpp - AVR asm properties -----------------------------===//
+//
+//                     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 declarations of the AVRMCAsmInfo properties.
+//
+//===----------------------------------------------------------------------===//
+
+#include "AVRMCAsmInfo.h"
+
+#include "llvm/ADT/Triple.h"
+
+namespace llvm {
+
+AVRMCAsmInfo::AVRMCAsmInfo(const Triple &TT) {
+  PointerSize = 2;
+  CalleeSaveStackSlotSize = 2;
+  CommentString = ";";
+  PrivateGlobalPrefix = ".L";
+  UsesELFSectionDirectiveForBSS = true;
+}
+
+} // end of namespace llvm
diff --git a/lib/Target/AVR/MCTargetDesc/AVRMCAsmInfo.h b/lib/Target/AVR/MCTargetDesc/AVRMCAsmInfo.h
new file mode 100644
index 0000000000000..cc2207a3cfaec
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/AVRMCAsmInfo.h
@@ -0,0 +1,31 @@
+//===-- AVRMCAsmInfo.h - AVR 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 AVRMCAsmInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_AVR_ASM_INFO_H
+#define LLVM_AVR_ASM_INFO_H
+
+#include "llvm/MC/MCAsmInfo.h"
+
+namespace llvm {
+
+class Triple;
+
+/// Specifies the format of AVR assembly files.
+class AVRMCAsmInfo : public MCAsmInfo {
+public:
+  explicit AVRMCAsmInfo(const Triple &TT);
+};
+
+} // end namespace llvm
+
+#endif // LLVM_AVR_ASM_INFO_H
diff --git a/lib/Target/AVR/MCTargetDesc/AVRMCTargetDesc.h b/lib/Target/AVR/MCTargetDesc/AVRMCTargetDesc.h
new file mode 100644
index 0000000000000..b72793d0fab42
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/AVRMCTargetDesc.h
@@ -0,0 +1,57 @@
+//===-- AVRMCTargetDesc.h - AVR 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 AVR specific target descriptions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_AVR_MCTARGET_DESC_H
+#define LLVM_AVR_MCTARGET_DESC_H
+
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+
+class MCAsmBackend;
+class MCCodeEmitter;
+class MCContext;
+class MCInstrInfo;
+class MCObjectWriter;
+class MCRegisterInfo;
+class StringRef;
+class Target;
+class Triple;
+class raw_pwrite_stream;
+
+extern Target TheAVRTarget;
+
+/// Creates a machine code emitter for AVR.
+MCCodeEmitter *createAVRMCCodeEmitter(const MCInstrInfo &MCII,
+                                      const MCRegisterInfo &MRI,
+                                      MCContext &Ctx);
+
+/// Creates an assembly backend for AVR.
+MCAsmBackend *createAVRAsmBackend(const Target &T, const MCRegisterInfo &MRI,
+                                  const Triple &TT, StringRef CPU);
+
+/// Creates an ELF object writer for AVR.
+MCObjectWriter *createAVRELFObjectWriter(raw_pwrite_stream &OS, uint8_t OSABI);
+
+} // end namespace llvm
+
+#define GET_REGINFO_ENUM
+#include "AVRGenRegisterInfo.inc"
+
+#define GET_INSTRINFO_ENUM
+#include "AVRGenInstrInfo.inc"
+
+#define GET_SUBTARGETINFO_ENUM
+#include "AVRGenSubtargetInfo.inc"
+
+#endif // LLVM_AVR_MCTARGET_DESC_H
diff --git a/lib/Target/AVR/MCTargetDesc/AVRTargetStreamer.cpp b/lib/Target/AVR/MCTargetDesc/AVRTargetStreamer.cpp
new file mode 100644
index 0000000000000..a2d8c16eeb8ca
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/AVRTargetStreamer.cpp
@@ -0,0 +1,24 @@
+//===-- AVRTargetStreamer.cpp - AVR Target Streamer Methods ---------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides AVR specific target streamer methods.
+//
+//===----------------------------------------------------------------------===//
+
+#include "AVRTargetStreamer.h"
+
+namespace llvm {
+
+AVRTargetStreamer::AVRTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
+
+AVRTargetAsmStreamer::AVRTargetAsmStreamer(MCStreamer &S)
+    : AVRTargetStreamer(S) {}
+
+} // end namespace llvm
+
diff --git a/lib/Target/AVR/MCTargetDesc/AVRTargetStreamer.h b/lib/Target/AVR/MCTargetDesc/AVRTargetStreamer.h
new file mode 100644
index 0000000000000..99a536699ae93
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/AVRTargetStreamer.h
@@ -0,0 +1,32 @@
+//===-- AVRTargetStreamer.h - AVR Target Streamer --------------*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_AVR_TARGET_STREAMER_H
+#define LLVM_AVR_TARGET_STREAMER_H
+
+#include "llvm/MC/MCELFStreamer.h"
+
+namespace llvm {
+class MCStreamer;
+
+/// A generic AVR target output stream.
+class AVRTargetStreamer : public MCTargetStreamer {
+public:
+  explicit AVRTargetStreamer(MCStreamer &S);
+};
+
+/// A target streamer for textual AVR assembly code.
+class AVRTargetAsmStreamer : public AVRTargetStreamer {
+public:
+  explicit AVRTargetAsmStreamer(MCStreamer &S);
+};
+
+} // end namespace llvm
+
+#endif // LLVM_AVR_TARGET_STREAMER_H
diff --git a/lib/Target/AVR/MCTargetDesc/CMakeLists.txt b/lib/Target/AVR/MCTargetDesc/CMakeLists.txt
new file mode 100644
index 0000000000000..3cceb49acb30f
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/CMakeLists.txt
@@ -0,0 +1,8 @@
+add_llvm_library(LLVMAVRDesc
+  AVRELFStreamer.cpp
+  AVRMCAsmInfo.cpp
+  AVRTargetStreamer.cpp
+)
+
+add_dependencies(LLVMAVRDesc AVRCommonTableGen)
+
diff --git a/lib/Target/AVR/MCTargetDesc/LLVMBuild.txt b/lib/Target/AVR/MCTargetDesc/LLVMBuild.txt
new file mode 100644
index 0000000000000..8786f563cdc81
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/LLVMBuild.txt
@@ -0,0 +1,23 @@
+;===- ./lib/Target/AVR/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 = AVRDesc
+parent = AVR
+required_libraries = MC AVRInfo Support
+add_to_library_groups = AVR