X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FIntrinsics.h;h=c3503889e7024936bbf0673ad42e23d9ce46320b;hb=8b8fa7b2f403ae2f342413239c4151e075022c97;hp=3703825603375159e55c9e6295f438ce4b57bc82;hpb=db125cfaf57cc83e7dd7453de2d509bc8efd0e5e;p=oota-llvm.git

diff --git a/include/llvm/Intrinsics.h b/include/llvm/Intrinsics.h
index 37038256033..c3503889e70 100644
--- a/include/llvm/Intrinsics.h
+++ b/include/llvm/Intrinsics.h
@@ -74,6 +74,53 @@ namespace Intrinsic {
   /// Map a GCC builtin name to an intrinsic ID.
   ID getIntrinsicForGCCBuiltin(const char *Prefix, const char *BuiltinName);
   
+  /// IITDescriptor - This is a type descriptor which explains the type
+  /// requirements of an intrinsic.  This is returned by
+  /// getIntrinsicInfoTableEntries.
+  struct IITDescriptor {
+    enum IITDescriptorKind {
+      Void, MMX, Metadata, Float, Double,
+      Integer, Vector, Pointer, Struct,
+      Argument, ExtendVecArgument, TruncVecArgument
+    } Kind;
+    
+    union {
+      unsigned Integer_Width;
+      unsigned Float_Width;
+      unsigned Vector_Width;
+      unsigned Pointer_AddressSpace;
+      unsigned Struct_NumElements;
+      unsigned Argument_Info;
+    };
+    
+    enum ArgKind {
+      AK_AnyInteger,
+      AK_AnyFloat,
+      AK_AnyVector,
+      AK_AnyPointer
+    };
+    unsigned getArgumentNumber() const {
+      assert(Kind == Argument || Kind == ExtendVecArgument || 
+             Kind == TruncVecArgument);
+      return Argument_Info >> 2;
+    }
+    ArgKind getArgumentKind() const {
+      assert(Kind == Argument || Kind == ExtendVecArgument || 
+             Kind == TruncVecArgument);
+      return (ArgKind)(Argument_Info&3);
+    }
+    
+    static IITDescriptor get(IITDescriptorKind K, unsigned Field) {
+      IITDescriptor Result = { K, { Field } };
+      return Result;
+    }
+  };
+  
+  /// getIntrinsicInfoTableEntries - Return the IIT table descriptor for the
+  /// specified intrinsic into an array of IITDescriptors.
+  /// 
+  void getIntrinsicInfoTableEntries(ID id, SmallVectorImpl<IITDescriptor> &T);
+  
 } // End Intrinsic namespace
 
 } // End llvm namespace