X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FIntrinsics.h;h=c3503889e7024936bbf0673ad42e23d9ce46320b;hb=2e522d05278a69cf75b41dcd4b358e46b5350425;hp=dd490f45b9898e73e9e2c33b30e44133b85c8c1b;hpb=1b0d4f310bec63119aed220687b98b8af08bc9c0;p=oota-llvm.git

diff --git a/include/llvm/Intrinsics.h b/include/llvm/Intrinsics.h
index dd490f45b98..c3503889e70 100644
--- a/include/llvm/Intrinsics.h
+++ b/include/llvm/Intrinsics.h
@@ -1,10 +1,10 @@
 //===-- llvm/Instrinsics.h - LLVM Intrinsic Function Handling ---*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group 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.
+//
 //===----------------------------------------------------------------------===//
 //
 // This file defines a set of enums which allow processing of intrinsic
@@ -16,8 +16,18 @@
 #ifndef LLVM_INTRINSICS_H
 #define LLVM_INTRINSICS_H
 
+#include "llvm/ADT/ArrayRef.h"
+#include <string>
+
 namespace llvm {
 
+class Type;
+class FunctionType;
+class Function;
+class LLVMContext;
+class Module;
+class AttrListPtr;
+
 /// Intrinsic Namespace - This namespace contains an enum with a value for
 /// every intrinsic/builtin function known by LLVM.  These enum values are
 /// returned by Function::getIntrinsicID().
@@ -26,49 +36,91 @@ namespace Intrinsic {
   enum ID {
     not_intrinsic = 0,   // Must be zero
 
-    // Varargs handling intrinsics.
-    vastart,        // Used to implement the va_start macro in C
-    vaend,          // Used to implement the va_end macro in C
-    vacopy,         // Used to implement the va_copy macro in C
-
-    // Code generator intrinsics.
-    returnaddress,  // Yields the return address of a dynamic call frame
-    frameaddress,   // Yields the frame address of a dynamic call frame
-
-    // setjmp/longjmp intrinsics.
-    setjmp,         // Used to represent a setjmp call in C
-    longjmp,        // Used to represent a longjmp call in C
-    sigsetjmp,      // Used to represent a sigsetjmp call in C
-    siglongjmp,     // Used to represent a siglongjmp call in C
-
-    // Garbage Collection intrinsics.
-    gcroot,         // Defines a new GC root on the stack
-    gcread,         // Defines a read of a heap object  (for read barriers)
-    gcwrite,        // Defines a write to a heap object (for write barriers)
-
-    // Debugging intrinsics.
-    dbg_stoppoint,    // Represents source lines and breakpointable places
-    dbg_region_start, // Start of a region
-    dbg_region_end,   // End of a region
-    dbg_func_start,   // Start of a function
-    dbg_declare,      // Declare a local object
-
+    // Get the intrinsic enums generated from Intrinsics.td
+#define GET_INTRINSIC_ENUM_VALUES
+#include "llvm/Intrinsics.gen"    
+#undef GET_INTRINSIC_ENUM_VALUES
+    , num_intrinsics
+  };
+  
+  /// Intrinsic::getName(ID) - Return the LLVM name for an intrinsic, such as
+  /// "llvm.ppc.altivec.lvx".
+  std::string getName(ID id, ArrayRef<Type*> Tys = ArrayRef<Type*>());
+  
+  /// Intrinsic::getType(ID) - Return the function type for an intrinsic.
+  ///
+  FunctionType *getType(LLVMContext &Context, ID id,
+                              ArrayRef<Type*> Tys = ArrayRef<Type*>());
 
-    // Standard libc functions.
-    memcpy,         // Copy non-overlapping memory blocks
-    memmove,        // Copy potentially overlapping memory blocks
-    memset,         // Fill memory with a byte value
+  /// Intrinsic::isOverloaded(ID) - Returns true if the intrinsic can be
+  /// overloaded.
+  bool isOverloaded(ID id);
 
-    // libm related functions.
-    isunordered,    // Return true if either argument is a NaN
+  /// Intrinsic::getAttributes(ID) - Return the attributes for an intrinsic.
+  ///
+  AttrListPtr getAttributes(ID id);
 
-    // Input/Output intrinsics.
-    readport,
-    writeport,
-    readio,
-    writeio
+  /// Intrinsic::getDeclaration(M, ID) - Create or insert an LLVM Function
+  /// declaration for an intrinsic, and return it.
+  ///
+  /// The Tys and numTys parameters are for intrinsics with overloaded types
+  /// (e.g., those using iAny, fAny, vAny, or iPTRAny). For a declaration for an
+  /// overloaded intrinsic, Tys should point to an array of numTys pointers to
+  /// Type, and must provide exactly one type for each overloaded type in the
+  /// intrinsic.
+  Function *getDeclaration(Module *M, ID id,
+                           ArrayRef<Type*> Tys = ArrayRef<Type*>());
+                           
+  /// 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