Use the new TargetData class to factor out some of the shared code

between the static compilers and the interpreter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@379 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/TargetMachine.h b/include/llvm/CodeGen/TargetMachine.h
index 5dd6def40780d58d8deb84637dbe2c17e8a5231d..5776656d19ca0c1f1420464c0d449e7ab5edceb3 100644 (file)
--- a/include/llvm/CodeGen/TargetMachine.h
+++ b/include/llvm/CodeGen/TargetMachine.h
@@ -12,6 +12,7 @@
 #ifndef LLVM_CODEGEN_TARGETMACHINE_H
 #define LLVM_CODEGEN_TARGETMACHINE_H
 
+#include "llvm/CodeGen/TargetData.h"
 #include "llvm/Support/NonCopyable.h"
 #include "llvm/Support/DataTypes.h"
 #include <string>
@@ -147,23 +148,29 @@ public:
 
 class TargetMachine : public NonCopyableV {
 public:
-  int          optSizeForSubWordData;
-  int          intSize;
-  int          longSize;
-  int          floatSize;
-  int          doubleSize;
-  int          longDoubleSize;
-  int          pointerSize;
-  int          minMemOpWordSize;
-  int          maxAtomicMemOpWordSize;
+  const string     TargetName;
+  const TargetData DataLayout;               // Calculates type size & alignment
+  int              optSizeForSubWordData;
+  int             minMemOpWordSize;
+  int             maxAtomicMemOpWordSize;
   
   // Register information.  This needs to be reorganized into a single class.
   int          zeroRegNum;     // register that gives 0 if any (-1 if none)
   
 public:
-  /*ctor*/             TargetMachine   (MachineInstrInfo* mii)
-                                               : machineInstrInfo(mii) {}
-  /*dtor*/ virtual     ~TargetMachine  () {}
+  TargetMachine(const string &targetname, MachineInstrInfo* mii,
+               unsigned char PtrSize = 8, unsigned char PtrAl = 8,
+               unsigned char DoubleAl = 8, unsigned char FloatAl = 4,
+               unsigned char LongAl = 8, unsigned char IntAl = 4,
+               unsigned char ShortAl = 2, unsigned char ByteAl = 1)
+    : TargetName(targetname), DataLayout(targetname, PtrSize, PtrAl,
+                                        DoubleAl, FloatAl, LongAl, IntAl,
+                                        ShortAl, ByteAl),
+      machineInstrInfo(mii) {
+  }
+  virtual ~TargetMachine() {
+    delete machineInstrInfo;
+  }
   
   const MachineInstrInfo& getInstrInfo () const { return *machineInstrInfo; }
   
@@ -171,17 +178,11 @@ public:
   
   virtual unsigned int findOptimalStorageSize  (const Type* ty) const;
   
-  virtual unsigned int*        findOptimalMemberOffsets(const StructType* stype)const;
-  
-  
 protected:
   // Description of machine instructions
   // Protect so that subclass can control alloc/dealloc
   MachineInstrInfo* machineInstrInfo;
   // MachineSchedInfo* machineSchedInfo;
-  
-private:
-  /*ctor*/             TargetMachine   ();     // disable
 };