Use forward declarations and move TargetELFWriterInfo impl to a new file.

[oota-llvm.git] / include / llvm / Target / TargetELFWriterInfo.h

diff --git a/include/llvm/Target/TargetELFWriterInfo.h b/include/llvm/Target/TargetELFWriterInfo.h
index 809846a0fbe6e86da46664bf1011e2893626dfa0..60378265552781499d19ade964fd4114ae36f6c6 100644 (file)
--- a/include/llvm/Target/TargetELFWriterInfo.h
+++ b/include/llvm/Target/TargetELFWriterInfo.h
@@ -14,11 +14,10 @@
 #ifndef LLVM_TARGET_TARGETELFWRITERINFO_H
 #define LLVM_TARGET_TARGETELFWRITERINFO_H
 
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Function.h"
-
 namespace llvm {
+  class Function;
+  class TargetData;
+  class TargetMachine;
 
   //===--------------------------------------------------------------------===//
   //                          TargetELFWriterInfo
@@ -50,21 +49,14 @@ namespace llvm {
       EM_X86_64 = 62   // AMD64
     };
 
-    explicit TargetELFWriterInfo(TargetMachine &tm) : TM(tm) {}
-    virtual ~TargetELFWriterInfo() {}
+    explicit TargetELFWriterInfo(TargetMachine &tm);
+    virtual ~TargetELFWriterInfo();
 
     unsigned short getEMachine() const { return EMachine; }
 
     /// getFunctionAlignment - Returns the alignment for function 'F', targets
     /// with different alignment constraints should overload this method
-    virtual unsigned getFunctionAlignment(const Function *F) const {
-      const TargetData *TD = TM.getTargetData();
-      unsigned FnAlign = F->getAlignment();
-      unsigned TDAlign = TD->getPointerABIAlignment();
-      unsigned Align = std::max(FnAlign, TDAlign);
-      assert(!(Align & (Align-1)) && "Alignment is not a power of two!");
-      return Align;
-    }
+    virtual unsigned getFunctionAlignment(const Function *F) const;
   };
 
 } // end llvm namespace