Fix last bits of MC layer issues. llvm-mc doesn't need to initialize TargetMachine's anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135963 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 8 insertions, 26 deletions

diff --git a/lib/MC/MCDisassembler/EDDisassembler.cpp b/lib/MC/MCDisassembler/EDDisassembler.cpp
index 5f8f15f..c75e274 100644
--- a/lib/MC/MCDisassembler/EDDisassembler.cpp
+++ b/lib/MC/MCDisassembler/EDDisassembler.cpp
@@ -34,8 +34,6 @@
 #include "llvm/Support/MemoryObject.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Target/TargetRegistry.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetSelect.h"
 using namespace llvm;
 
@@ -107,7 +105,6 @@ void EDDisassembler::initialize() {
   sInitialized = true;
   
   InitializeAllTargetInfos();
-  InitializeAllTargets();
   InitializeAllTargetMCs();
   InitializeAllAsmPrinters();
   InitializeAllAsmParsers();
@@ -170,29 +167,18 @@ EDDisassembler::EDDisassembler(CPUKey &key) :
   if (!Tgt)
     return;
   
-  std::string CPU;
-  std::string featureString;
-  TargetMachine.reset(Tgt->createTargetMachine(tripleString, CPU,
-                                               featureString));
+  MRI.reset(Tgt->createMCRegInfo(tripleString));
 
-  // FIXME: It shouldn't be using TargetRegisterInfo!
-  const TargetRegisterInfo *registerInfo = TargetMachine->getRegisterInfo();
-  
-  if (!registerInfo)
+  if (!MRI)
     return;
-    
-  initMaps(*registerInfo);
+
+  initMaps(*MRI);
   
   AsmInfo.reset(Tgt->createMCAsmInfo(tripleString));
   
   if (!AsmInfo)
     return;
 
-  MRI.reset(Tgt->createMCRegInfo(tripleString));
-
-  if (!MRI)
-    return;
-
   Disassembler.reset(Tgt->createMCDisassembler());
   
   if (!Disassembler)
@@ -208,10 +194,10 @@ EDDisassembler::EDDisassembler(CPUKey &key) :
     return;
     
   GenericAsmLexer.reset(new AsmLexer(*AsmInfo));
-  SpecificAsmLexer.reset(Tgt->createAsmLexer(*AsmInfo));
+  SpecificAsmLexer.reset(Tgt->createAsmLexer(*MRI, *AsmInfo));
   SpecificAsmLexer->InstallLexer(*GenericAsmLexer);
   
-  initMaps(*TargetMachine->getRegisterInfo());
+  initMaps(*MRI);
     
   Valid = true;
 }
@@ -273,7 +259,7 @@ EDInst *EDDisassembler::createInst(EDByteReaderCallback byteReader,
   }
 }
 
-void EDDisassembler::initMaps(const TargetRegisterInfo &registerInfo) {
+void EDDisassembler::initMaps(const MCRegisterInfo &registerInfo) {
   unsigned numRegisters = registerInfo.getNumRegs();
   unsigned registerIndex;
   
diff --git a/lib/MC/MCDisassembler/EDDisassembler.h b/lib/MC/MCDisassembler/EDDisassembler.h
index 2171423..a79ba07 100644
--- a/lib/MC/MCDisassembler/EDDisassembler.h
+++ b/lib/MC/MCDisassembler/EDDisassembler.h
@@ -46,8 +46,6 @@ class SourceMgr;
 class Target;
 class TargetAsmLexer;
 class TargetAsmParser;
-class TargetMachine;
-class TargetRegisterInfo;
 
 struct EDInstInfo;
 struct EDInst;
@@ -137,8 +135,6 @@ struct EDDisassembler {
   CPUKey Key;
   /// The LLVM target corresponding to the disassembler
   const llvm::Target *Tgt;
-  /// The target machine instance.
-  llvm::OwningPtr<llvm::TargetMachine> TargetMachine;
   /// The assembly information for the target architecture
   llvm::OwningPtr<const llvm::MCAsmInfo> AsmInfo;
   // The register information for the target architecture.
@@ -219,7 +215,7 @@ struct EDDisassembler {
   ///   info
   ///
   /// @arg registerInfo - the register information to use as a source
-  void initMaps(const llvm::TargetRegisterInfo &registerInfo);
+  void initMaps(const llvm::MCRegisterInfo &registerInfo);
   /// nameWithRegisterID - Returns the name (owned by the EDDisassembler) of a 
   ///   register for a given register ID, or NULL on failure
   ///