New feature: add support for target intrinsics being defined in the

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

diff --git a/include/llvm/Intrinsics.h b/include/llvm/Intrinsics.h
index 569f80a187e98a3021c64d7e1618627fa712283b..243359953bcbe18f2876123aa32578017392e15b 100644 (file)
--- a/include/llvm/Intrinsics.h
+++ b/include/llvm/Intrinsics.h
@@ -2,8 +2,8 @@
 //
 //                     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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -16,8 +16,16 @@
 #ifndef LLVM_INTRINSICS_H
 #define LLVM_INTRINSICS_H
 
+#include <string>
+
 namespace llvm {
 
+class Type;
+class FunctionType;
+class Function;
+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().
@@ -26,51 +34,39 @@ 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
-    prefetch,       // Prefetch a value into the cache
-    pcmarker,       // Export a PC from near the marker
-
-    // 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
-
-
-    // Standard libc functions.
-    memcpy,         // Copy non-overlapping memory blocks
-    memmove,        // Copy potentially overlapping memory blocks
-    memset,         // Fill memory with a byte value
-
-    // libm related functions.
-    isunordered,    // Return true if either argument is a NaN
-
-    // Input/Output intrinsics.
-    readport,
-    writeport,
-    readio,
-    writeio
+    // 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, const Type **Tys = 0, unsigned numTys = 0);
+  
+  /// Intrinsic::getType(ID) - Return the function type for an intrinsic.
+  ///
+  const FunctionType *getType(ID id, const Type **Tys = 0, unsigned numTys = 0);
+
+  /// Intrinsic::getAttributes(ID) - Return the attributes for an intrinsic.
+  ///
+  AttrListPtr getAttributes(ID id);
 
+  /// 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
+  /// (i.e., those using iAny or fAny). 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, const Type **Tys = 0, 
+                           unsigned numTys = 0);
+                           
+  /// Map a GCC builtin name to an intrinsic ID.
+  ID getIntrinsicForGCCBuiltin(const char *Prefix, const char *BuiltinName);
+  
 } // End Intrinsic namespace
 
 } // End llvm namespace