[Sparc] Lower and MachineInstr to MC and print assembly using MCInstPrinter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198030 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 77 insertions, 1 deletions

diff --git a/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt b/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
index 8bf924e86d..3a40fcaba4 100644
--- a/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
+++ b/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
@@ -2,4 +2,5 @@ add_llvm_library(LLVMSparcDesc
   SparcMCTargetDesc.cpp
   SparcMCAsmInfo.cpp
   SparcMCExpr.cpp
+  SparcTargetStreamer.cpp
   )
diff --git a/lib/Target/Sparc/MCTargetDesc/LLVMBuild.txt b/lib/Target/Sparc/MCTargetDesc/LLVMBuild.txt
index 97f8f162c2..22515e6d6d 100644
--- a/lib/Target/Sparc/MCTargetDesc/LLVMBuild.txt
+++ b/lib/Target/Sparc/MCTargetDesc/LLVMBuild.txt
@@ -19,5 +19,5 @@
 type = Library
 name = SparcDesc
 parent = Sparc
-required_libraries = MC SparcInfo Support
+required_libraries = MC SparcAsmPrinter SparcInfo Support
 add_to_library_groups = Sparc
diff --git a/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp b/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
index 1c64e1b0c4..45e1d35369 100644
--- a/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
+++ b/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
@@ -13,6 +13,8 @@
 
 #include "SparcMCTargetDesc.h"
 #include "SparcMCAsmInfo.h"
+#include "SparcTargetStreamer.h"
+#include "InstPrinter/SparcInstPrinter.h"
 #include "llvm/MC/MCCodeGenInfo.h"
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCRegisterInfo.h"
@@ -86,6 +88,28 @@ static MCCodeGenInfo *createSparcV9MCCodeGenInfo(StringRef TT, Reloc::Model RM,
   X->InitMCCodeGenInfo(RM, CM, OL);
   return X;
 }
+
+static MCStreamer *
+createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
+                    bool isVerboseAsm, bool useLoc, bool useCFI,
+                    bool useDwarfDirectory, MCInstPrinter *InstPrint,
+                    MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) {
+  SparcTargetAsmStreamer *S = new SparcTargetAsmStreamer(OS);
+
+  return llvm::createAsmStreamer(Ctx, S, OS, isVerboseAsm, useLoc, useCFI,
+                                 useDwarfDirectory, InstPrint, CE, TAB,
+                                 ShowInst);
+}
+
+static MCInstPrinter *createSparcMCInstPrinter(const Target &T,
+                                              unsigned SyntaxVariant,
+                                              const MCAsmInfo &MAI,
+                                              const MCInstrInfo &MII,
+                                              const MCRegisterInfo &MRI,
+                                              const MCSubtargetInfo &STI) {
+  return new SparcInstPrinter(MAI, MII, MRI);
+}
+
 extern "C" void LLVMInitializeSparcTargetMC() {
   // Register the MC asm info.
   RegisterMCAsmInfo<SparcELFMCAsmInfo> X(TheSparcTarget);
@@ -106,4 +130,15 @@ extern "C" void LLVMInitializeSparcTargetMC() {
   // Register the MC subtarget info.
   TargetRegistry::RegisterMCSubtargetInfo(TheSparcTarget,
                                           createSparcMCSubtargetInfo);
+
+  TargetRegistry::RegisterAsmStreamer(TheSparcTarget,
+                                      createMCAsmStreamer);
+  TargetRegistry::RegisterAsmStreamer(TheSparcV9Target,
+                                      createMCAsmStreamer);
+
+  // Register the MCInstPrinter
+  TargetRegistry::RegisterMCInstPrinter(TheSparcTarget,
+                                        createSparcMCInstPrinter);
+  TargetRegistry::RegisterMCInstPrinter(TheSparcV9Target,
+                                        createSparcMCInstPrinter);
 }
diff --git a/lib/Target/Sparc/MCTargetDesc/SparcTargetStreamer.cpp b/lib/Target/Sparc/MCTargetDesc/SparcTargetStreamer.cpp
new file mode 100644
index 0000000000..01043aed5e
--- /dev/null
+++ b/lib/Target/Sparc/MCTargetDesc/SparcTargetStreamer.cpp
@@ -0,0 +1,40 @@
+//===-- SparcTargetStreamer.cpp - Sparc 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 Sparc specific target streamer methods.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SparcTargetStreamer.h"
+#include "InstPrinter/SparcInstPrinter.h"
+#include "llvm/Support/FormattedStream.h"
+
+using namespace llvm;
+
+// pin vtable to this file
+void SparcTargetStreamer::anchor() {}
+
+SparcTargetAsmStreamer::SparcTargetAsmStreamer(formatted_raw_ostream &OS)
+    : OS(OS) {}
+
+void SparcTargetAsmStreamer::emitSparcRegisterIgnore(unsigned reg) {
+  OS << "\t.register "
+     << "%" << StringRef(SparcInstPrinter::getRegisterName(reg)).lower()
+     << ", #ignore\n";
+}
+
+void SparcTargetAsmStreamer::emitSparcRegisterScratch(unsigned reg) {
+  OS << "\t.register "
+     << "%" << StringRef(SparcInstPrinter::getRegisterName(reg)).lower()
+     << ", #scratch\n";
+}
+
+MCELFStreamer &SparcTargetELFStreamer::getStreamer() {
+  return static_cast<MCELFStreamer &>(*Streamer);
+}