Kill ModuleProvider and ghost linkage by inverting the relationship between

[oota-llvm.git] / lib / Target / PowerPC / PPCSubtarget.h

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index be4c21cd448ce45395e49750c1ae320ba78e2479..75fcf6238a27a0463237a86a8f4fda8178241d5f 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -39,18 +39,11 @@ namespace PPC {
   };
 }
 
-class Module;
 class GlobalValue;
 class TargetMachine;
   
 class PPCSubtarget : public TargetSubtarget {
-public:
-  enum AsmWriterFlavorTy {
-    OldMnemonic, NewMnemonic, Unset
-  };
 protected:
-  const TargetMachine &TM;
-  
   /// stackAlignment - The minimum alignment known to hold of the stack frame on
   /// entry to the function and which must be maintained by every function.
   unsigned StackAlignment;
@@ -61,9 +54,6 @@ protected:
   /// Which cpu directive was used.
   unsigned DarwinDirective;
 
-  /// AsmFlavor - Which PPC asm dialect to use.
-  AsmWriterFlavorTy AsmFlavor;
-
   /// Used by the ISel to turn in optimizations for POWER4-derived architectures
   bool IsGigaProcessor;
   bool Has64BitSupport;
@@ -79,14 +69,15 @@ protected:
   unsigned char DarwinVers; // Is any darwin-ppc platform.
 public:
   /// This constructor initializes the data members to match that
-  /// of the specified module.
+  /// of the specified triple.
   ///
-  PPCSubtarget(const TargetMachine &TM, const Module &M,
-               const std::string &FS, bool is64Bit);
+  PPCSubtarget(const std::string &TT, const std::string &FS, bool is64Bit);
   
   /// ParseSubtargetFeatures - Parses features string setting specified 
   /// subtarget options.  Definition of function is auto generated by tblgen.
-  void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
+  std::string ParseSubtargetFeatures(const std::string &FS,
+                                     const std::string &CPU);
+
   
   /// SetJITMode - This is called to inform the subtarget info that we are
   /// producing code for the JIT.
@@ -108,8 +99,10 @@ public:
   /// getTargetDataString - Return the pointer size and type alignment
   /// properties of this subtarget.
   const char *getTargetDataString() const {
-    return isPPC64() ? "E-p:64:64-f64:32:64-i64:32:64-f128:64:128"
-                     : "E-p:32:32-f64:32:64-i64:32:64-f128:64:128";
+    // Note, the alignment values for f64 and i64 on ppc64 in Darwin
+    // documentation are wrong; these are correct (i.e. "what gcc does").
+    return isPPC64() ? "E-p:64:64-f64:64:64-i64:64:64-f128:64:128-n32:64"
+                     : "E-p:32:32-f64:32:64-i64:32:64-f128:64:128-n32";
   }
 
   /// isPPC64 - Return true if we are generating code for 64-bit pointer mode.
@@ -128,7 +121,8 @@ public:
   /// hasLazyResolverStub - Return true if accesses to the specified global have
   /// to go through a dyld lazy resolution stub.  This means that an extra load
   /// is required to get the address of the global.
-  bool hasLazyResolverStub(const GlobalValue *GV) const;
+  bool hasLazyResolverStub(const GlobalValue *GV, 
+                           const TargetMachine &TM) const;
   
   // Specific obvious features.
   bool hasFSQRT() const { return HasFSQRT; }
@@ -141,12 +135,12 @@ public:
   /// isDarwin - True if this is darwin9 (leopard, 10.5) or above.
   bool isDarwin9() const { return DarwinVers >= 9; }
 
-  bool isMachoABI() const { return isDarwin() || IsPPC64; }
-  bool isELF32_ABI() const { return !isDarwin() && !IsPPC64; }
+  /// getDarwinVers - Return the darwin version number, 8 = tiger, 9 = leopard.
+  unsigned getDarwinVers() const { return DarwinVers; }
+
+  bool isDarwinABI() const { return isDarwin(); }
+  bool isSVR4ABI() const { return !isDarwin(); }
 
-  unsigned getAsmFlavor() const {
-    return AsmFlavor != Unset ? unsigned(AsmFlavor) : 0;
-  }
 };
 } // End llvm namespace