move some code around so that Verifier.cpp can get access to the intrinsic info table.

[oota-llvm.git] / include / llvm / Intrinsics.h

diff --git a/include/llvm/Intrinsics.h b/include/llvm/Intrinsics.h
index 46361ca0c2f8c48e8d02164af9ac1c9d1be7fcb9..09a79c2e6790a3370ba2b50c5a70e2a2445319ab 100644 (file)
--- a/include/llvm/Intrinsics.h
+++ b/include/llvm/Intrinsics.h
@@ -49,7 +49,7 @@ namespace Intrinsic {
   
   /// Intrinsic::getType(ID) - Return the function type for an intrinsic.
   ///
-  const FunctionType *getType(LLVMContext &Context, ID id,
+  FunctionType *getType(LLVMContext &Context, ID id,
                               ArrayRef<Type*> Tys = ArrayRef<Type*>());
 
   /// Intrinsic::isOverloaded(ID) - Returns true if the intrinsic can be
@@ -74,6 +74,51 @@ 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);
+      return Argument_Info >> 2;
+    }
+    ArgKind getArgumentKind() const {
+      assert(Kind == Argument);
+      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