Reintroduce support for overloading target intrinsics

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86114 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 18 insertions, 1 deletions

diff --git a/include/llvm/Target/TargetIntrinsicInfo.h b/include/llvm/Target/TargetIntrinsicInfo.h
index d70aa7e9fd..ad8ac925e9 100644
--- a/include/llvm/Target/TargetIntrinsicInfo.h
+++ b/include/llvm/Target/TargetIntrinsicInfo.h
@@ -14,6 +14,8 @@
 #ifndef LLVM_TARGET_TARGETINTRINSICINFO_H
 #define LLVM_TARGET_TARGETINTRINSICINFO_H
 
+#include <string>
+
 namespace llvm {
 
 class Function;
@@ -32,7 +34,13 @@ public:
   virtual ~TargetIntrinsicInfo();
 
   /// Return the name of a target intrinsic, e.g. "llvm.bfin.ssync".
-  virtual const char *getName(unsigned IntrID) const =0;
+  /// The Tys and numTys parameters are for intrinsics with overloaded types
+  /// (e.g., 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.
+  virtual std::string getName(unsigned IID, const Type **Tys = 0,
+                              unsigned numTys = 0) const = 0;
 
   /// Look up target intrinsic by name. Return intrinsic ID or 0 for unknown
   /// names.
@@ -40,6 +48,15 @@ public:
 
   /// Return the target intrinsic ID of a function, or 0.
   virtual unsigned getIntrinsicID(Function *F) const;
+
+  /// Returns true if the intrinsic can be overloaded.
+  virtual bool isOverloaded(unsigned IID) const = 0;
+  
+  /// Create or insert an LLVM Function declaration for an intrinsic,
+  /// and return it. The Tys and numTys are for intrinsics with overloaded
+  /// types. See above for more information.
+  virtual Function *getDeclaration(Module *M, unsigned ID, const Type **Tys = 0,
+                                   unsigned numTys = 0) const = 0;
 };
 
 } // End llvm namespace