X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FCodeGenIntrinsics.h;h=1170da0f35994fc0a25efd1ea3989baf7091e405;hb=65ee1e6ff4d82f58fbea5c2e5cadf9a0be797955;hp=0d1b39bd15d5536d6b434f3946e80705505b0de4;hpb=db8d2bed6a0ef890b81fabb014bfcb678e891695;p=oota-llvm.git

diff --git a/utils/TableGen/CodeGenIntrinsics.h b/utils/TableGen/CodeGenIntrinsics.h
index 0d1b39bd15d..1170da0f359 100644
--- a/utils/TableGen/CodeGenIntrinsics.h
+++ b/utils/TableGen/CodeGenIntrinsics.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Chris Lattner and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -24,32 +24,54 @@ namespace llvm {
   class CodeGenTarget;
 
   struct CodeGenIntrinsic {
-    Record *TheDef;            // The actual record defining this instruction.
+    Record *TheDef;            // The actual record defining this intrinsic.
     std::string Name;          // The name of the LLVM function "llvm.bswap.i32"
     std::string EnumName;      // The name of the enum "bswap_i32"
     std::string GCCBuiltinName;// Name of the corresponding GCC builtin, or "".
     std::string TargetPrefix;  // Target prefix, e.g. "ppc" for t-s intrinsics.
-    
-    /// ArgTypes - The type primitive enum value for the return value and all
-    /// of the arguments.  These are things like Type::Int32TyID.
-    std::vector<std::string> ArgTypes;
-    
-    /// ArgVTs - The MVT::ValueType for each argument type.  Note that this list
-    /// is only populated when in the context of a target .td file.  When
-    /// building Intrinsics.td, this isn't available, because we don't know the
-    /// target pointer size.
-    std::vector<MVT::ValueType> ArgVTs;
-    
-    /// ArgTypeDefs - The records for each argument type.
-    ///
-    std::vector<Record*> ArgTypeDefs;
-    
+
+    /// IntrinsicSignature - This structure holds the return values and
+    /// parameter values of an intrinsic. If the number of return values is > 1,
+    /// then the intrinsic implicitly returns a first-class aggregate. The
+    /// numbering of the types starts at 0 with the first return value and
+    /// continues from there throug the parameter list. This is useful for
+    /// "matching" types.
+    struct IntrinsicSignature {
+      /// RetVTs - The MVT::SimpleValueType for each return type. Note that this
+      /// list is only populated when in the context of a target .td file. When
+      /// building Intrinsics.td, this isn't available, because we don't know
+      /// the target pointer size.
+      std::vector<MVT::SimpleValueType> RetVTs;
+
+      /// RetTypeDefs - The records for each return type.
+      std::vector<Record*> RetTypeDefs;
+
+      /// ParamVTs - The MVT::SimpleValueType for each parameter type. Note that
+      /// this list is only populated when in the context of a target .td file.
+      /// When building Intrinsics.td, this isn't available, because we don't
+      /// know the target pointer size.
+      std::vector<MVT::SimpleValueType> ParamVTs;
+
+      /// ParamTypeDefs - The records for each parameter type.
+      std::vector<Record*> ParamTypeDefs;
+    };
+
+    IntrinsicSignature IS;
+
     // Memory mod/ref behavior of this intrinsic.
     enum {
       NoMem, ReadArgMem, ReadMem, WriteArgMem, WriteMem
     } ModRef;
 
-    CodeGenIntrinsic(Record *R, CodeGenTarget *CGT);
+    // This is set to true if the intrinsic is overloaded by its argument
+    // types.
+    bool isOverloaded;
+
+    // isCommutative - True if the intrinsic is commutative.
+    //
+    bool isCommutative;
+
+    CodeGenIntrinsic(Record *R);
   };
 
   /// LoadIntrinsics - Read all of the intrinsics defined in the specified